package common; # $Id$ use diagnostics; use strict; use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK $printable_chars $sizeof_int $bitof_int $cancel $SECTORSIZE %compat_arch); @ISA = qw(Exporter); %EXPORT_TAGS = ( common => [ qw(__ may_apply even odd arch better_arch compat_arch min max sqr sum and_ or_ if_ sign product bool invbool listlength bool2text bool2yesno text2bool to_int to_float ikeys member divide is_empty_array_ref is_empty_hash_ref add2hash add2hash_ set_new set_add round round_up round_down first second top uniq translate untranslate warp_text formatAlaTeX formatLines deref next_val_in_array) ], functional => [ qw(fold_left compose mapgrep map_index grep_index find_index map_each grep_each list2kv map_tab_hash mapn mapn_ difference2 before_leaving catch_cdie cdie combine) ], file => [ qw(dirname basename touch all glob_ cat_ cat__ output symlinkf chop_ mode typeFromMagic expand_symlinks) ], system => [ qw(sync makedev unmakedev psizeof strcpy gettimeofday syscall_ salt getVarsFromSh setVarsInSh setVarsInShMode setVarsInCsh substInFile availableMemory availableRamMB removeXiBSuffix formatXiB template2file template2userfile update_userkderc list_skels formatTime formatTimeRaw unix2dos setVirtual isCdNotEjectable) ], constant => [ qw($printable_chars $sizeof_int $bitof_int $SECTORSIZE %compat_arch) ], ); @EXPORT_OK = map { @$_ } values %EXPORT_TAGS; #-##################################################################################### #- Globals #-##################################################################################### $printable_chars = "\x20-\x7E"; $sizeof_int = psizeof("i"); $bitof_int = $sizeof_int * 8; $SECTORSIZE = 512; %compat_arch = ( #- compatibilty arch mapping. 'noarch' => undef, 'i386' => 'noarch', 'i486' => 'i386', 'i586' => 'i486', 'i686' => 'i586', 'i786' => 'i686', 'k6' => 'i586', 'k7' => 'k6', 'k8' => 'k7', 'ppc' => 'noarch', 'alpha' => 'noarch', 'sparc' => 'noarch', 'sparc32' => 'sparc', 'sparc64' => 'sparc32', ); #-##################################################################################### #- Functions #-##################################################################################### sub fold_left(&@) { my $f = shift; local $a = shift; foreach $b (@_) { $a = &$f() } $a } sub _ { my $s = shift @_; my $t = translate($s); $t && ref $t or return sprintf $t, @_; my ($T, @p) = @$t; sprintf $T, @_[@p]; } #-delete $main::{'_'}; sub __ { $_[0] } sub even($) { $_[0] % 2 == 0 } sub odd($) { $_[0] % 2 == 1 } sub min { fold_left { $a < $b ? $a : $b } @_ } sub max { fold_left { $a > $b ? $a : $b } @_ } sub sum { fold_left { $a + $b } @_ } sub and_{ fold_left { $a && $b } @_ } sub or_ { fold_left { $a || $b } @_ } sub sqr { $_[0] * $_[0] } sub sign { $_[0] <=> 0 } sub product { fold_left { $a * $b } @_ } sub first { $_[0] } sub second { $_[1] } sub top { $_[-1] } sub uniq { my %l; @l{@_} = (); keys %l } sub to_int { $_[0] =~ /(\d*)/; $1 } sub to_float { $_[0] =~ /(\d*(\.\d*)?)/; $1 } sub ikeys { my %l = @_; sort { $a <=> $b } keys %l } sub add2hash($$) { my ($a, $b) = @_; while (my ($k, $v) = each %{$b || {}}) { $a->{$k} ||= $v } $a } sub add2hash_($$) { my ($a, $b) = @_; while (my ($k, $v) = each %{$b || {}}) { exists $a->{$k} or $a->{$k} = $v } $a } sub member { my $e = shift; foreach (@_) { $e eq $_ and return 1 } 0 } sub dirname { @_ == 1 or die "usage: dirname \n"; local $_ = shift; s|[^/]*/*\s*$||; s|(.)/*$|$1|; $_ || '.' } sub basename { @_ == 1 or die "usage: basename \n"; local $_ = shift; s|/*\s*$||; s|.*/||; $_ } sub bool($) { $_[0] ? 1 : 0 } sub invbool { my $a = shift; $$a = !$$a; $$a } sub listlength { scalar @_ } sub bool2text { $_[0] ? "true" : "false" } sub bool2yesno { $_[0] ? "yes" : "no" } sub text2bool { my $t = lc($_[0]); $t eq "true" || $t eq "yes" ? 1 : 0 } sub strcpy { substr($_[0], $_[2] || 0, length $_[1]) = $_[1] } sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\n" : return; my @l = ; wantarray ? @l : join '', @l } sub cat__ { my ($f) = @_; my @l = <$f>; wantarray ? @l : join '', @l } sub output { my $f = shift; local *F; open F, ">$f" or die "output in file $f failed: $!\n"; print F foreach @_; } sub deref { ref $_[0] eq "ARRAY" ? @{$_[0]} : ref $_[0] eq "HASH" ? %{$_[0]} : $_[0] } sub linkf { unlink $_[1]; link $_[0], $_[1] } sub symlinkf { unlink $_[1]; symlink $_[0], $_[1] } sub chop_ { map { my $l = $_; chomp $l; $l } @_ } sub divide { my $d = int $_[0] / $_[1]; wantarray ? ($d, $_[0] % $_[1]) : $d } sub round { int ($_[0] + 0.5) } sub round_up { my ($i, $r) = @_; $i = int $i; $i += $r - ($i + $r - 1) % $r - 1; } sub round_down { my ($i, $r) = @_; $i = int $i; $i -= $i % $r; } sub is_empty_array_ref { my $a = shift; !defined $a || @$a == 0 } sub is_empty_hash_ref { my $a = shift; !defined $a || keys(%$a) == 0 } sub difference2 { my %l; @l{@{$_[1]}} = (); grep { !exists $l{$_} } @{$_[0]} } sub intersection { my (%l, @m); @l{@{shift @_}} = (); foreach (@_) { @m = grep { exists $l{$_} } @$_; %l = (); @l{@m} = (); } keys %l } sub set_new(@) { my %l; @l{@_} = undef; { list => [ @_ ], hash => \%l } } sub set_add($@) { my $o = shift; foreach (@_) { exists $o->{hash}{$_} and next; push @{$o->{list}}, $_; $o->{hash}{$_} = undef } } sub sync { syscall_('sync') } sub gettimeofday { my $t = pack "LL"; syscall_('gettimeofday', $t, 0) or die "gettimeofday failed: $!\n"; unpack("LL", $t) } sub unix2dos { local $_ = $_[0]; s/\015$//mg; s/$/\015/mg; $_ } sub remove_spaces { local $_ = shift; s/^ +//; s/ +$//; $_ } sub mode { my @l = stat $_[0] or die "unable to get mode of file $_[0]: $!\n"; $l[2] } sub psizeof { length pack $_[0] } sub concat_symlink { my ($f, $l) = @_; $l =~ m|^\.\./(/.*)| and return $1; $f =~ s|/$||; while ($l =~ s|^\.\./||) { $f =~ s|/[^/]+$|| or die "concat_symlink: $f $l\n"; } "$f/$l"; } sub expand_symlinks { my ($first, @l) = split '/', $_[0]; $first eq '' or die "expand_symlinks: $_[0] is relative\n"; my ($f, $l); foreach (@l) { $f .= "/$_"; $f = concat_symlink($f, "../$l") while $l = readlink $f; } $f; } sub may_apply { $_[0] ? $_[0]->($_[1]) : (@_ > 2 ? $_[2] : $_[1]) } sub if_($@) { my $b = shift; $b ? @_ : (); } sub arch() { require c; c::kernel_arch(); } sub better_arch { my ($new, $old) = @_; while ($new && $new ne $old) { $new = $compat_arch{$new} } $new; } sub compat_arch { better_arch(arch(), $_[0]) } sub touch { my ($f) = @_; unless (-e $f) { local *F; open F, ">$f"; } my $now = time; utime $now, $now, $f; } sub mapgrep(&@) { my $f = shift; my @l; foreach (@_) { my ($b, $v) = $f->($_); push @l, $v if $b; } @l; } sub map_index(&@) { my $f = shift; my @v; local $::i = 0; map { @v = &$f($::i); $::i++; @v } @_; } sub grep_index(&@) { my $f = shift; my $v; local $::i = 0; grep { $v = &$f($::i); $::i++; $v } @_; } sub find_index(&@) { my $f = shift; local $_; for (my $i = 0; $i < @_; $i++) { $_ = $_[$i]; &$f and return $i; } die "find_index failed in @_"; } sub map_each(&%) { my ($f, %h) = @_; my @l; local ($::a, $::b); while (($::a, $::b) = each %h) { push @l, &$f($::a, $::b) } @l; } sub grep_each(&%) { my ($f, %h) = @_; my %l; local ($::a, $::b); while (($::a, $::b) = each %h) { $l{$::a} = $::b if &$f($::a, $::b) } %l; } sub list2kv(@) { [ grep_index { even($::i) } @_ ], [ grep_index { odd($::i) } @_ ] } sub combine { my $nb = shift; my @l; while (my @m = splice(@_, 0, $nb)) { push @l, \@m } @l; } #- pseudo-array-hash :) sub map_tab_hash(&$@) { my ($f, $fields, @tab_hash) = @_; my %hash; my $key = { map_index {($_, $::i + 1)} @{$fields} }; for (my $i = 0; $i < @tab_hash; $i += 2) { my $h = [$key, @{$tab_hash[$i + 1]}]; &$f($i, $h) if $f; $hash{ $tab_hash[$i] } = $h; } %hash; } sub smapn { my $f = shift; my $n = shift; my @r = (); for (my $i = 0; $i < $n; $i++) { push @r, &$f(map { $_->[$i] } @_); } @r } sub mapn(&@) { my $f = shift; smapn($f, min(map { scalar @$_ } @_), @_); } sub mapn_(&@) { my $f = shift; smapn($f, max(map { scalar @$_ } @_), @_); } sub add_f4before_leaving { my ($f, $b, $name) = @_; unless ($common::before_leaving::{$name}) { no strict 'refs'; ${"common::before_leaving::$name"} = 1; ${"common::before_leaving::list"} = 1; } local *N = *{$common::before_leaving::{$name}}; my $list = *common::before_leaving::list; $list->{$b}{$name} = $f; *N = sub { my $f = $list->{$_[0]}{$name} or die ''; $name eq 'DESTROY' and delete $list->{$_[0]}; goto $f; } unless defined &{*N}; } #- ! the functions are not called in the order wanted, in case of multiple before_leaving :( sub before_leaving(&) { my ($f) = @_; my $b = bless {}, 'common::before_leaving'; add_f4before_leaving($f, $b, 'DESTROY'); $b; } sub catch_cdie(&&) { my ($f, $catch) = @_; local @common::cdie_catches; unshift @common::cdie_catches, $catch; &$f(); } sub cdie($;&) { my ($err, $f) = @_; foreach (@common::cdie_catches) { $@ = $err; &{$_}(\$err) and return; } die $err; } sub all { my $d = shift; local *F; opendir F, $d or return; my @l = grep { $_ ne '.' && $_ ne '..' } readdir F; closedir F; @l; } sub glob_ { my ($d, $f) = ($_[0] =~ /\*/) ? (dirname($_[0]), basename($_[0])) : ($_[0], '*'); $d =~ /\*/ and die "glob_: wildcard in directory not handled ($_[0])\n"; ($f = quotemeta $f) =~ s/\\\*/.*/g; $d =~ m|/$| or $d .= '/'; map { $d eq './' ? $_ : "$d$_" } grep { /^$f$/ } all($d); } sub syscall_ { my $f = shift; require 'syscall.ph'; syscall(&{$common::{"SYS_$f"}}, @_) == 0; } sub salt($) { my ($nb) = @_; require 'devices.pm'; open F, devices::make("random") or die "missing random"; my $s; read F, $s, $nb; local $_ = pack "b8" x $nb, unpack "b6" x $nb, $s; tr [\0-\x3f] [0-9a-zA-Z./]; $_; } sub makedev { ($_[0] << 8) | $_[1] } sub unmakedev { $_[0] >> 8, $_[0] & 0xff } sub list_passwd() { my (@l, @e); setpwent(); while (@e = getpwent()) { push @l, [ @e ] } endpwent(); @l; } sub list_home() { map { $_->[7] } grep { $_->[2] >= 500 } list_passwd(); } sub list_skels { my ($prefix, $suffix) = @_; grep { -d $_ && -w $_ } map { "$prefix$_/$suffix" } '/etc/skel', '/root', list_home() } sub translate { my ($s) = @_; my ($lang) = $ENV{LANGUAGE} || $ENV{LC_MESSAGES} || $ENV{LC_ALL} || $ENV{LANG} || 'en'; require lang; foreach (split ':', $lang) { lang::load_po($_) unless defined $po::I18N::{$_}; if (%{$po::I18N::{$_}}) { return if $s eq '_I18N_'; return ${$po::I18N::{$_}}{$s} || $s } } $s; } sub untranslate($@) { my $s = shift || return; foreach (@_) { translate($_) eq $s and return $_ } die "untranslate failed"; } sub warp_text($;$) { my ($text, $width) = @_; $width ||= 80; my @l; foreach (split "\n", $text) { my $t = ''; foreach (split /\s+/, $_) { if (length "$t $_" > $width) { push @l, $t; $t = $_; } else { $t = "$t $_"; } } push @l, $t; } @l; } sub formatAlaTeX($) { my ($t, $tmp); foreach (split "\n", $_[0]) { if (/^$/) { $t .= ($t && "\n") . $tmp; $tmp = ''; } else { $tmp = ($tmp && "$tmp ") . first(/^\s*(.*?)\s*$/); } } $t . ($t && $tmp && "\n") . $tmp; } sub formatLines($) { my ($t, $tmp); foreach (split "\n", $_[0]) { if (/^\s/) { $t .= "$tmp\n"; $tmp = $_; } else { $tmp = ($tmp ? "$tmp " : ($t && "\n") . $tmp) . $_; } } "$t$tmp\n"; } sub getVarsFromSh($) { my %l; local *F; open F, $_[0] or return; local $_; while () { my ($v, $val, $val2) = /^\s* # leading space (\w+) = # variable ( "([^"]*)" # double-quoted text | '([^']*)' # single-quoted text | [^'"\s]+ # normal text ) \s*$ # end of line /x or next; $l{$v} = $val2 || $val; } %l; } sub setVarsInSh { my ($file, $l, @fields) = @_; setVarsInShMode($file, 0777 ^ umask(), $l, @fields); } sub setVarsInShMode { my ($file, $mod, $l, @fields) = @_; @fields = keys %$l unless @fields; local *F; open F, "> $file" or die "cannot create config file $file"; chmod $mod, $file; $l->{$_} and print F "$_=$l->{$_}\n" foreach @fields; } sub setVarsInCsh { my ($file, $l, @fields) = @_; @fields = keys %$l unless @fields; local *F; open F, "> $_[0]" or die "cannot create config file $file"; $l->{$_} and print F "setenv $_ $l->{$_}\n" foreach @fields; } sub template2file { my ($in, $out, %toreplace) = @_; output $out, map { s/@@@(.*?)@@@/$toreplace{$1}/g; $_ } cat_($in); } sub template2userfile { my ($prefix, $in, $out_rel, $force, %toreplace) = @_; foreach (list_skels($prefix, $out_rel)) { -d dirname($_) or !-e $_ or $force or next; template2file($in, $_, %toreplace); m|/home/(.+?)/| and chown(getpwnam($1), getgrnam($1), $_); } } sub update_userkderc { my ($file, $category, %subst) = @_; output $file, (map { my $l = $_; s/^\s*//; if (my $i = /^\[$category\]/i ... /^\[/) { if ($i =~ /E/) { #- for last line of category $l = join('', map_each { "$::a=$::b\n" } %subst) . $l; %subst = (); } elsif (/^(\w*?)=/) { if (my $e = delete $subst{lc($1)}) { $l = "$1=$e\n"; } } } $l; } cat_($file)), (%subst && "[$category]\n", map_each { "$::a=$::b\n" } %subst); #- if category has not been found above. } sub substInFile(&@) { my $f = shift; foreach my $file (@_) { if (-e $file) { local @ARGV = $file; local ($^I, $_) = ''; while (<>) { &$f($_); print } } else { local *F; my $old = select F; # that way eof return true local $_ = ''; &$f($_); select $old; eval { output($file, $_) }; } } } sub best_match { my ($str, @lis) = @_; my @words = split /\W+/, $str; my ($max, $res) = 0; foreach (@lis) { my $count = 0; foreach my $i (@words) { $count++ if /$i/i; } $max = $count, $res = $_ if $count >= $max; } $res; } sub bestMatchSentence { my $best = -1; my $bestSentence; my @s = split /\W+/, shift; foreach (@_) { my $count = 0; foreach my $e (@s) { $count++ if /$e/i; } $best = $count, $bestSentence = $_ if $count > $best; } $bestSentence; } # count the number of character that match sub bestMatchSentence2 { my $best = -1; my $bestSentence; my @s = split /\W+/, shift; foreach (@_) { my $count = 0; foreach my $e (@s) { $count+= length ($e) if /$e/i; } $best = $count, $bestSentence = $_ if $count > $best; } $bestSentence; } sub typeFromMagic($@) { my $f = shift; local *F; sysopen F, $f, 0 or return; my $tmp; M: foreach (@_) { my ($name, @l) = @$_; while (@l) { my ($offset, $signature) = splice(@l, 0, 2); sysseek(F, $offset, 0) or next M; sysread(F, $tmp, length $signature); $tmp eq $signature or next M; } return $name; } undef; } sub availableMemory() { sum map { /(\d+)/ } grep { /^(MemTotal|SwapTotal):/ } cat_("/proc/meminfo"); } sub availableRamMB() { my $s = 4 * round((-s '/proc/kcore') / 1024 / 1024 / 4); #- HACK HACK: if i810 and memsize require detect_devices; return $s - 1 if $s == 128 && grep { $_->{driver} =~ /i810/ } detect_devices::probeall(); $s; } sub setVirtual($) { my $vt = ''; local *C; sysopen C, "/dev/console", 2 or die "failed to open /dev/console: $!"; ioctl(C, c::VT_GETSTATE(), $vt) or die "ioctl VT_GETSTATE failed"; ioctl(C, c::VT_ACTIVATE(), $_[0]) or die "ioctl VT_ACTIVATE failed"; ioctl(C, c::VT_WAITACTIVE(), $_[0]) or die "ioctl VT_WAITACTIVE failed"; unpack "S", $vt; } sub removeXiBSuffix($) { local $_ = shift; /(\d+)k$/i and return $1 * 1024; /(\d+)M$/i and return $1 * 1024 * 1024; /(\d+)G$/i and return $1 * 1024 * 1024 * 1024; $_; } sub formatXiB { my ($newnb, $newbase) = (@_, 1); my ($nb, $base); my $decr = sub { ($nb, $base) = ($newnb, $newbase); $base >= 1024 ? ($newbase = $base / 1024) : ($newnb = $nb / 1024); }; foreach ('', _("KB"), _("MB"), _("GB")) { $decr->(); if ($newnb < 1 && $newnb * $newbase < 1) { my $v = $nb * $base; my $s = $v < 10 && int(10 * $v - 10 * int($v)); return int($v) . ($s ? ".$s" : '') . $_; } } int($newnb * $newbase) . _("TB"); } sub truncate_list { my $nb = shift; @_ <= $nb ? @_ : (@_[0..$nb-1], '...'); } sub formatTime { my ($s, $m, $h) = gmtime($_[0]); if ($h) { sprintf "%02d:%02d", $h, $m; } elsif ($m > 1) { _("%d minutes", $m); } elsif ($m == 1) { _("1 minute"); } else { _("%d seconds", $s); } } sub formatTimeRaw { my ($s, $m, $h) = gmtime($_[0]); sprintf "%d:%02d:%02d", $h, $m, $s; } #- return the size of the partition and its free space in KiB sub df { my ($mntpoint) = @_; my ($blocksize, $size, $free); my $buf = ' ' x 20000; syscall_('statfs', $mntpoint, $buf) or return; (undef, $blocksize, $size, $free, undef, undef) = unpack "L6", $buf; map { $_ * ($blocksize / 1024) } $size, $free; } sub next_val_in_array { my ($v, $l) = @_; my %l = mapn { @_ } $l, [ @$l[1..$#$l], $l->[0] ]; $l{$v}; } sub isCdNotEjectable { scalar(grep { /ram3/ } cat_("/proc/mounts")) == 0 } #-###################################################################################### #- Wonderful perl :( #-###################################################################################### 1; # 356' href='#n356'>356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 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package printer;

# $Id$

#use diagnostics;
#use strict;


use common;
use run_program;

#-if we are in an DrakX config
my $prefix = "";

#-location of the printer database in an installed system
my $PRINTER_DB_FILE = "/usr/share/foomatic/db/compiled/overview.xml";
#-configuration directory of Foomatic
my $FOOMATICCONFDIR = "/etc/foomatic"; 
#-location of the file containing the default spooler's name
my $FOOMATIC_DEFAULT_SPOOLER = "$FOOMATICCONFDIR/defaultspooler";

#-Did we already read the subroutines of /usr/sbin/ptal-init?
my $ptalinitread = 0;

%spooler = (
    _("CUPS - Common Unix Printing System") => "cups",
    _("LPRng - LPR New Generation")         => "lprng",
    _("LPD - Line Printer Daemon")          => "lpd",
    _("PDQ - Print, Don't Queue")           => "pdq"
);
%spooler_inv = reverse %spooler;

%shortspooler = (
    _("CUPS")   => "cups",
    _("LPRng")  => "lprng",
    _("LPD")    => "lpd",
    _("PDQ")    => "pdq"
);
%shortspooler_inv = reverse %shortspooler;

%lprcommand = (
    "cups"   => "lpr-cups",
    "lprng"  => "lpr-lpd",
    "lpd"    => "lpr-lpd",
    "pdq"    => "lpr-pdq"
);

%printer_type = (
    _("Local printer")                              => "LOCAL",
    _("Remote printer")                             => "REMOTE",
    _("Printer on remote CUPS server")              => "CUPS",
    _("Printer on remote lpd server")               => "LPD",
    _("Network printer (TCP/Socket)")               => "SOCKET",
    _("Printer on SMB/Windows 95/98/NT server")     => "SMB",
    _("Printer on NetWare server")                  => "NCP",
    _("Enter a printer device URI")                 => "URI",
    _("Pipe job into a command")                    => "POSTPIPE"
);
%printer_type_inv = reverse %printer_type;

#------------------------------------------------------------------------------

sub set_prefix($) { $prefix = $_[0] }

sub default_printer_type($) { "LOCAL" }

sub spooler {
    # LPD is taken from the menu for the moment because the classic LPD is
    # highly unsecure. Depending on how the GNU lpr development is going on
    # LPD support can be reactivated by uncommenting the line which is
    # commented out now.

    # LPRng is taken out of the distro since Mandrake 9.0.

    #return @spooler_inv{qw(cups lpd lprng pdq)};
    return @spooler_inv{qw(cups pdq)};
}

sub printer_type($) {
    my ($printer) = @_;
    for ($printer->{SPOOLER}) {
	/cups/ && return @printer_type_inv{qw(LOCAL), 
					   qw(LPD SOCKET SMB), 
					   $::expert ? qw(URI) : ()};
	/lpd/  && return @printer_type_inv{qw(LOCAL LPD SOCKET SMB NCP),
					   $::expert ? qw(POSTPIPE URI) : ()};
	/lprng/  && return @printer_type_inv{qw(LOCAL LPD SOCKET SMB NCP),
					   $::expert ? qw(POSTPIPE URI) : ()};
	/pdq/  && return @printer_type_inv{qw(LOCAL LPD SOCKET),
					   $::expert ? qw(URI) : ()};
    }
}

sub get_default_spooler () {
    if (-f "$prefix$FOOMATIC_DEFAULT_SPOOLER") {
	open DEFSPOOL, "< $prefix$FOOMATIC_DEFAULT_SPOOLER";
	my $spool = <DEFSPOOL>;
	chomp $spool;
	close DEFSPOOL;
	return $spool if ($spool =~ /cups|lpd|lprng|pdq/); 
    }
}

sub set_default_spooler ($) {
    my ($printer) = @_;
    # Make Foomatic config directory if it does not exist yet
    mkdir "$prefix$FOOMATICCONFDIR" if (!(-d "$prefix$FOOMATICCONFDIR"));
    # Mark the default driver in a file
    open DEFSPOOL, "> $prefix$FOOMATIC_DEFAULT_SPOOLER" or 
	die "Cannot create $prefix$FOOMATIC_DEFAULT_SPOOLER!";
    print DEFSPOOL $printer->{SPOOLER};
    close DEFSPOOL;
}

sub set_permissions {
    my ($file, $perms, $owner, $group) = @_;
    # We only need to set the permissions during installation to be able to
    # print test pages. After installation the devfsd daemon does the business
    # automatically.
    if (!$::isInstall) { return 1 }
    if ($owner && $group) {
        run_program::rooted($prefix, "/bin/chown", "$owner.$group", $file)
	    or die "Could not start chown!";
    } elsif ($owner) {
        run_program::rooted($prefix, "/bin/chown", $owner, $file)
	    or die "Could not start chown!";
    } elsif ($group) {
        run_program::rooted($prefix, "/bin/chgrp", $group, $file)
	    or die "Could not start chgrp!";
    }
    run_program::rooted($prefix, "/bin/chmod", $perms, $file)
	or die "Could not start chmod!";
}

sub restart_service ($) {
    my ($service) = @_;
    # Exit silently if the service is not installed
    return 1 if (!(-x "$prefix/etc/rc.d/init.d/$service"));
    run_program::rooted($prefix, "/etc/rc.d/init.d/$service", "restart");
    if (($? >> 8) != 0) {
	return 0;
    } else {
	# CUPS needs some time to come up.
	wait_for_cups() if ($service eq "cups");
	return 1;
    }
}

sub start_service ($) {
    my ($service) = @_;
    # Exit silently if the service is not installed
    return 1 if (!(-x "$prefix/etc/rc.d/init.d/$service"));
    run_program::rooted($prefix, "/etc/rc.d/init.d/$service", "start");
    if (($? >> 8) != 0) {
	return 0;
    } else {
	# CUPS needs some time to come up.
	wait_for_cups() if ($service eq "cups");
	return 1;
    }
}

sub start_not_running_service ($) {
    my ($service) = @_;
    # Exit silently if the service is not installed
    return 1 if (!(-x "$prefix/etc/rc.d/init.d/$service"));
    run_program::rooted($prefix, "/etc/rc.d/init.d/$service", "status");
    # The exit status is not zero when the service is not running
    if (($? >> 8) != 0) {
	run_program::rooted($prefix, "/etc/rc.d/init.d/$service", "start");
	if (($? >> 8) != 0) {
	    return 0;
	} else {
	    # CUPS needs some time to come up.
	    wait_for_cups() if ($service eq "cups");
	    return 1;
	}
    } else {
	return 1;
    }
}

sub stop_service ($) {
    my ($service) = @_;
    # Exit silently if the service is not installed
    return 1 if (!(-x "$prefix/etc/rc.d/init.d/$service"));
    run_program::rooted($prefix, "/etc/rc.d/init.d/$service", "stop");
    if (($? >> 8) != 0) { return 0 } else { return 1 }
}

sub service_starts_on_boot ($) {
    my ($service) = @_;
    local *F; 
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"/bin/sh -c \"export LC_ALL=C; /sbin/chkconfig --list $service 2>&1\" |" or
	    return 0;
    while (my $line = <F>) {
	chomp $line;
	if ($line =~ /:on/) {
	    close F;
	    return 1;
	}
    }
    close F;
    return 0;
}

sub start_service_on_boot ($) {
    my ($service) = @_;
    run_program::rooted($prefix, "/sbin/chkconfig", "--add", $service)
	or return 0;
    return 1;
}

sub SIGHUP_daemon {
    my ($service) = @_;
    if ($service eq "cupsd") { $service = "cups" };
    # PDQ has no daemon, exit.
    if ($service eq "pdq") { return 1 };
    # CUPS needs auto-correction for its configuration
    run_program::rooted($prefix, "/usr/sbin/correctcupsconfig") if ($service eq "cups");
    # Name of the daemon
    my %daemons = (
			    "lpr" => "lpd",
			    "lpd" => "lpd",
			    "lprng" => "lpd",
			    "cups" => "cupsd",
			    "devfs" => "devfsd",
			    );
    my $daemon = $daemons{$service};
    $daemon = $service if (! defined $daemon);
#    if ($service eq "cups") {
#	# The current CUPS (1.1.13) dies on SIGHUP, do the normal restart.
#	restart_service($service);
#	# CUPS needs some time to come up.
#	wait_for_cups();
#    } else {

    # Send the SIGHUP
    run_program::rooted($prefix, "/usr/bin/killall", "-HUP", $daemon);
    if ($service eq "cups") {
	# CUPS needs some time to come up.
	wait_for_cups();
    }

    return 1;
}

sub wait_for_cups {
    # CUPS needs some time to come up. Wait up to 30 seconds, checking
    # whether CUPS is ready.
    my $cupsready = 0;
    my $i;
    for ($i = 0; $i < 30; $i++) {
	run_program::rooted($prefix, "/usr/bin/lpstat", "-r");
	if (($? >> 8) != 0) {
	    # CUPS is not ready, continue
	    sleep 1;
	} else {
	    # CUPS is ready, quit
	    $cupsready = 1;
	    last;
	}
    }
    return $cupsready;
}

sub assure_device_is_available_for_cups {
    # Checks whether CUPS already "knows" a certain port, it does not
    # know it usually when the appropriate kernel module is loaded
    # after CUPS was started or when the printer is turned on after
    # CUPS was started. CUPS 1.1.12 and newer refuses to set up queues
    # on devices which it does not know, it points these queues to
    # file:/dev/null instead. Restart CUPS if necessary to assure that
    # CUPS knows the device.
    my ($device) = @_;
    my $result;
    for ($i = 0; $i < 3; $i++) {
	local *F; 
	open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	    "/bin/sh -c \"export LC_ALL=C; /usr/sbin/lpinfo -v\" |" or
	    die "Could not run \"lpinfo\"!";
	while (my $line = <F>) {
	    if ($line =~ /$device/) { # Found a line containing the device
		                      # name, so CUPS knows it.
		close F;
		return 1;
	    }
	}
	close F;
	$result = SIGHUP_daemon("cups");
    }
    return $result;
}

sub network_running {
    # If the network is not running return 0, otherwise 1.
    local *F; 
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"/bin/sh -c \"export LC_ALL=C; /sbin/ifconfig\" |" or
	    die "Could not run \"ifconfig\"!";
    while (my $line = <F>) {
	if (($line !~ /^lo\s+/) && # The loopback device can have been 
                                   # started by the spooler's startup script
	    ($line =~ /^(\S+)\s+/)) { # In this line starts an entry for a
	                              # running network
	    close F;
	    return 1;
	}
    }
    close F;
    return 0;
}

sub getSNMPModel {

    my ($host) = @_;
    my $manufacturer = "";
    my $model = "";
    my $description = "";
    my $serialnumber = "";
    
    # SNMP request to auto-detect model
    local *F;
    open F, ($::testing ? $prefix : "chroot $prefix/ ") .
	"/bin/sh -c \"scli -1 -c 'show printer info' $host\" |" or
	return { CLASS => 'PRINTER',
		 MODEL => _("Unknown Model"),
		 MANUFACTURER => "",
		 DESCRIPTION => "",
		 SERIALNUMBER => ""
		 };
    while (my $l = <F>) {
	chomp $l;
	if (($l =~ /^\s*Manufacturer:\s*(\S.*)$/i) &&
	    ($l =~ /^\s*Vendor:\s*(\S.*)$/i)) {
	    $manufacturer = $1;
	    $manufacturer =~ s/Hewlett[-\s_]Packard/HP/;
	    $manufacturer =~ s/HEWLETT[-\s_]PACKARD/HP/;
	} elsif ($l =~ /^\s*Model:\s*(\S.*)$/i) {
	    $model = $1;
	} elsif ($l =~ /^\s*Description:\s*(\S.*)$/i) {
	    $description = $1;
	    $description =~ s/Hewlett[-\s_]Packard/HP/;
	    $description =~ s/HEWLETT[-\s_]PACKARD/HP/;
	} elsif ($l =~ /^\s*Serial\s*Number:\s*(\S.*)$/i) {
	    $serialnumber = $1;
	}
    }
    close F;

    # Was there a manufacturer and a model in the output?
    # If not, get them from the description
    if (($manufacturer eq "") || ($model eq "")) {
	if ($description =~ /^\s*(\S*)\s+(\S.*)$/) {
	    if ($manufacturer eq "") {
		$manufacturer = $1;
	    }
	    if ($model eq "") {
		$model = $2;
	    }
	}
	# No description field? Make one out of manufacturer and model.
    } elsif ($description eq "") {
	$description = "$manufacturer $model";
    }
    
    # We couldn't determine a model
    if ($model eq "") {
	$model = _("Unknown Model");
    }
    
    # Remove trailing spaces
    $manufacturer =~ s/(\S+)\s+$/$1/;
    $model =~ s/(\S+)\s+$/$1/;
    $description =~ s/(\S+)\s+$/$1/;
    $serialnumber =~ s/(\S+)\s+$/$1/;

    # Now we have all info for one printer
    # Store this auto-detection result in the data structure
    return  { CLASS => 'PRINTER',
	      MODEL => $model,
	      MANUFACTURER => $manufacturer,
	      DESCRIPTION => $description,
	      SERIALNUMBER => $serialnumber
	      };
}

sub getSMBPrinterShares {

    my ($host) = @_;
    
    # SMB request to auto-detect shares
    local *F;
    open F, ($::testing ? "" : "chroot $prefix/ ") .
	"/bin/sh -c \"export LC_ALL=C; smbclient -N -L $host\" |" or return ();
    my $insharelist = 0;
    my @shares;
    while (my $l = <F>) {
	chomp $l;
	if ($l =~ /^\s*Sharename\s+Type\s+Comment\s*$/i) {
	    $insharelist = 1;
	} elsif ($l =~ /^\s*Server\s+Comment\s*$/i) {
	    $insharelist = 0;
	} elsif (($l =~ /^\s*(\S+)\s+Printer\s*(.*)$/i) &&
		 ($insharelist)) {
	    my $name = $1;
	    my $description = $2;
	    $description =~ s/^(\s*)//;
	    push (@shares, { name => $name, description => $description });
	}
    }
    close F;

    return @shares;
}

sub getIPsInLocalNetworks {

    # subroutine determines the list of all hosts reachable in the local
    # networks by means of pinging the broadcast addresses.
    
    # Return an empty list if no network is running
    if (!network_running()) {
	return ();
    }
    
    # Read the output of "ifconfig" to determine the broadcast addresses of
    # the local networks
    my $dev_is_localnet = 0;
    my @local_bcasts;
    my $current_bcast = "";
	
    local *IFCONFIG_OUT;
    open IFCONFIG_OUT, ($::testing ? "" : "chroot $prefix/ ") .
	"/bin/sh -c \"export LC_ALL=C; ifconfig\" |" or return ();
    while (my $readline = <IFCONFIG_OUT>) {
	# New entry ...
	if ($readline =~ /^(\S+)\s/) {
	    my $dev = $1;
	    # ... for a local network (eth = ethernet, 
	    #     vmnet = VMWare,
	    #     ethernet card connected to ISP excluded)?
	    $dev_is_localnet = (($dev =~ /^eth/) || ($dev =~ /^vmnet/));
	    # delete previous address
	    $current_bcast = "";
	}
	# Are we in the important line now?
	if ($readline =~ /\sBcast:([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\s/) {
	    # Rip out the broadcast IP address
	    $current_bcast = $1;
	    
	    # Are we in an entry for a local network?
	    if ($dev_is_localnet == 1) {
		# Store current IP address
		push @local_bcasts, $current_bcast;
	    }
	}
    }
    close(IFCONFIG_OUT);

    my @addresses;
    # Now ping all broadcast addresses 
    for my $bcast (@local_bcasts) {
	local *F;
	open F, ($::testing ? "" : "chroot $prefix/ ") . 
	    "/bin/sh -c \"export LC_ALL=C; ping -w 1 -b -n $bcast | cut -f 4 -d ' ' | sed s/:// | egrep '^[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+' | uniq\" |" 
	    or next;
	while (<F>) { chomp; push @addresses, $_ }
	close F;
    }

    @addresses;
}

sub whatNetPrinter {

    my ($network, $smb) = @_;

    my $i; 
    my @res;

    # Which ports should be scanned?
    my @portstoscan;
    if ($smb) {
	push @portstoscan, "139";
    }
    if ($network) {
	push @portstoscan, "4010", "4020", "4030", "5503", "9100-9104";
    }
    return () if $#portstoscan < 0;
    my $portlist = join (",", @portstoscan);
    
    # Which hosts should be scanned?
    # (Applying nmap to a whole network is very time-consuming, because nmap
    #  waits for a certain timeout period on non-existing hosts, so we get a 
    #  lists of existing hosts by pinging the broadcast addresses for existing
    #  hosts and then scanning only them, which is much faster)
    my @hostips = getIPsInLocalNetworks();
    return () if $#hostips < 0;
    my $hostlist = join (" ", @hostips);

    # Scan network for printers
    local *F;
    open F, ($::testing ? "" : "chroot $prefix/ ") .
	"/bin/sh -c \"export LC_ALL=C; nmap -r -P0 -p $portlist $hostlist\" |"
	or return @res;
    my $host = "";
    my $ip = "";
    my $port = "";
    my $modelinfo = "";
    while (my $line = <F>) {
	chomp $line;

	# head line of the report of a host with the ports in question open
	#if ($line =~ m/^\s*Interesting\s+ports\s+on\s+(\S*)\s*\(([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\)\s*:\s*$/i) {
	if ($line =~ m/^\s*Interesting\s+ports\s+on\s+(\S*)\s*\((\S+)\)\s*:\s*$/i) {
	    $host = $1;
	    $ip = $2;
	    if ($host eq "") {
		$host = $ip;
	    }
	    $port = "";

	    undef $modelinfo;

	} elsif ($line =~ m/^\s*(\d+)\/\S+\s+open\s+/i) {
	    next if ($ip eq "");
	    $port = $1;
	    
	    # Now we have all info for one printer
	    # Store this auto-detection result in the data structure

	    # Determine the protocol by the port number

	    # SMB/Windows
	    if ($port eq "139") {
		my @shares = getSMBPrinterShares($ip);
		for my $share (@shares) {
		    push @res, { port => "smb://$host/$share->{name}",
				 val => { CLASS => 'PRINTER',
					  MODEL => _("Unknown Model"),
					  MANUFACTURER => "",
					  DESCRIPTION =>
					      "$share->{description}",
					  SERIALNUMBER => ""
				      }
			     };
		}
	    } else {
		if (!defined($modelinfo)) {
		    # SNMP request to auto-detect model
		    $modelinfo = getSNMPModel ($ip);
		}
		if (defined($modelinfo)) {
		    push @res, { port => "socket://$host:$port",
				 val => $modelinfo
				 };
		}
	    }
	}
    }
    close F;
    @res;
}

sub spooler_in_security_level {
    # Was the current spooler already added to the current security level?
    my ($spooler, $level) = @_;
    my $sp;
    $sp = (($spooler eq "lpr") || ($spooler eq "lprng")) ? "lpd" : $spooler;
    $file = "$prefix/etc/security/msec/server.$level";
    if (-f $file) {
	local *F; 
	open F, "< $file" or return 0;
	while (my $line = <F>) {
	    if ($line =~ /^\s*$sp\s*$/) {
		close F;
		return 1;
	    }
	}
	close F;
    }
    return 0;
}

sub add_spooler_to_security_level {
    my ($spooler, $level) = @_;
    my $sp;
    $sp = (($spooler eq "lpr") || ($spooler eq "lprng")) ? "lpd" : $spooler;
    $file = "$prefix/etc/security/msec/server.$level";
    if (-f $file) {
	local *F; 
	open F, ">> $file" or return 0;
	print F "$sp\n";
	close F;
    }
    return 1;
}

sub files_exist {
    my @files = @_;
    for my $file (@files) {
	   return 0 if (! -f "$prefix$file"),
    }
    return 1;
}

sub set_alternative {
    my ($command, $executable) = @_;
    local *F;
    # Read the list of executables for the given command to find the number
    # of the desired executable
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"/bin/sh -c \"export LC_ALL=C; /bin/echo | update-alternatives --config $command \" |" or
	    die "Could not run \"update-alternatives\"!";
    my $choice = 0;
    while (my $line = <F>) {
	chomp $line;
	if ($line =~ m/^[\* ][\+ ]\s*([0-9]+)\s+(\S+)\s*$/) { # list entry?
	    if ($2 eq $executable) {
		$choice = $1;
		last;
	    }
	}
    }
    close F;
    # If the executable was found, assign the command to it
    if ($choice > 0) {
	system(($::testing ? $prefix : "chroot $prefix/ ") .
	       "/bin/sh -c \"/bin/echo $choice | update-alternatives --config $command > /dev/null 2>&1\"");
    }
    return 1;
}    

sub pdq_panic_button {
    my $setting = $_[0];
    if (-f "$prefix/usr/sbin/pdqpanicbutton") {
        run_program::rooted($prefix, "/usr/sbin/pdqpanicbutton", "--$setting")
	    or die "Could not $setting PDQ panic buttons!";
    }
}

sub copy_printer_params($$) {
    my ($from, $to) = @_;
    map { $to->{$_} = $from->{$_} } grep { $_ ne 'configured' } keys %$from; 
    #- avoid cycles-----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
}

sub getinfo($) {
    my ($prefix) = @_;
    my $printer = {};
    my @QUEUES;

    set_prefix($prefix);

    # Initialize $printer data structure
    resetinfo($printer);

    return $printer;
}

#------------------------------------------------------------------------------
sub resetinfo($) {
    my ($printer) = @_;
    $printer->{QUEUE} = "";
    $printer->{OLD_QUEUE} = "";
    $printer->{OLD_CHOICE} = "";
    $printer->{ARGS} = "";
    $printer->{DBENTRY} = "";
    $printer->{DEFAULT} = "";
    $printer->{currentqueue} = {};
    # -check which printing system was used previously and load the information
    # -about its queues
    read_configured_queues($printer);
}

sub read_configured_queues($) {
    my ($printer) = @_;
    my @QUEUES;
    # Get the default spooler choice from the config file
    $printer->{SPOOLER} ||= get_default_spooler();
    if (!$printer->{SPOOLER}) {
	#- Find the first spooler where there are queues
	my $spooler;
	for $spooler (qw(cups pdq lprng lpd)) {
	    #- poll queue info 
	    local *F; 
	    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
		"foomatic-configure -P -q -s $spooler |" or
		    die "Could not run foomatic-configure";
	    eval (join('',(<F>))); 
	    close F;
	    #- Have we found queues?
	    if ($#QUEUES != -1) {
		$printer->{SPOOLER} = $spooler;
		last;
	    }
	}
    } else {
	#- Poll the queues of the current default spooler
	local *F; 
	open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	    "foomatic-configure -P -q -s $printer->{SPOOLER} |" or
		die "Could not run foomatic-configure";
	eval (join('',(<F>))); 
	close F;
    }
    $printer->{configured} = {};
    my $i;
    my $N = $#QUEUES + 1;
    for ($i = 0;  $i < $N; $i++) {
	$printer->{configured}{$QUEUES[$i]{queuedata}{queue}} = 
	    $QUEUES[$i];
	if ((!$QUEUES[$i]{make}) || (!$QUEUES[$i]{model})) {
	    if ($printer->{SPOOLER} eq "cups") {
		$printer->{OLD_QUEUE} = $QUEUES[$i]{queuedata}{queue};
		my $descr = get_descr_from_ppd($printer);
		$descr =~ m/^([^\|]*)\|([^\|]*)\|.*$/;
		$printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{make} ||= $1;
		$printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{model} ||= $2;
		# Read out which PPD file was originally used to set up this
		# queue
		local *F;
		if (open F, "< $prefix/etc/cups/ppd/$QUEUES[$i]{queuedata}{queue}.ppd") {
		    while (my $line = <F>) {
			if ($line =~ /^\*%MDKMODELCHOICE:(.+)$/) {
			    $printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{ppd} = $1;
			}
		    }
		    close F;
		}
		# Mark that we have a CUPS queue but do not know the name
		# the PPD file in /usr/share/cups/model
		if (!$printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{ppd}) {
		    $printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{ppd} = '1';
		}
		$printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{driver} = 'CUPS/PPD';
		$printer->{OLD_QUEUE} = "";
		# Read out the printer's options
		$printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{args} = read_cups_options($QUEUES[$i]{queuedata}{queue});
	    }
	    $printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{make} ||= "";
	    $printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{model} ||= _("Unknown model");
	} else {
	    $printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{make} = $QUEUES[$i]{make};
	    $printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{model} = $QUEUES[$i]{model};
	}
	# Fill in "options" field
	if (my $args = $printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{args}) {
	    my $arg;
	    my @options;
	    for $arg (@{$args}) {
		push(@options, "-o");
		my $optstr = $arg->{name} . "=" . $arg->{default};
		push(@options, $optstr);
	    }
	    @{$printer->{configured}{$QUEUES[$i]{queuedata}{queue}}{queuedata}{options}} = @options;
	}
	# Construct an entry line for tree view in main window of
	# printerdrake
	make_menuentry($printer, $QUEUES[$i]{queuedata}{queue});
    }
}

sub make_menuentry {
    my ($printer, $queue) = @_;
    my $spooler = $shortspooler_inv{$printer->{SPOOLER}};
    my $connect = $printer->{configured}{$queue}{queuedata}{connect};
    my $localremote;
    if (($connect =~ m!^file:!) || ($connect =~ m!^ptal:/mlc:!)) {
	$localremote = _("Local Printers");
    } else {
	$localremote = _("Remote Printers");
    }
    my $make = $printer->{configured}{$queue}{queuedata}{make};
    my $model = $printer->{configured}{$queue}{queuedata}{model};
    my $connection;
    if ($connect =~ m!^file:/dev/lp(\d+)$!) {
	my $number = $1;
	$connection = _(" on parallel port \#%s", $number);
    } elsif ($connect =~ m!^file:/dev/usb/lp(\d+)$!) {
	my $number = $1;
	$connection = _(", USB printer \#%s", $number);
    } elsif ($connect =~ m!^ptal:/(.+)$!) {
	my $ptaldevice = $1;
	if ($ptaldevice =~ /^mlc:par:(\d+)$/) {
	    my $number = $1;
	    $connection = _(", multi-function device on parallel port \#%s",
			    $number);
	} elsif ($ptaldevice =~ /^mlc:usb:/) {
	    $connection = _(", multi-function device on USB");
	} elsif ($ptaldevice =~ /^hpjd:/) {
	    $connection = _(", multi-function device on HP JetDirect");
	} else {
	    $connection = _(", multi-function device");
	}
    } elsif ($connect =~ m!^file:(.+)$!) {
	$connection = _(", printing to %s", $1);
    } elsif ($connect =~ m!^lpd://([^/]+)/([^/]+)/?$!) {
	$connection = _(" on LPD server \"%s\", printer \"%s\"", $2, $1);
    } elsif ($connect =~ m!^socket://([^/:]+):([^/:]+)/?$!) {
	$connection = _(", TCP/IP host \"%s\", port %s", $1, $2);
    } elsif (($connect =~ m!^smb://([^/\@]+)/([^/\@]+)/?$!) ||
	     ($connect =~ m!^smb://.*/([^/\@]+)/([^/\@]+)/?$!) ||
	     ($connect =~ m!^smb://.*\@([^/\@]+)/([^/\@]+)/?$!)) {
	$connection = _(" on SMB/Windows server \"%s\", share \"%s\"", $1, $2);
    } elsif (($connect =~ m!^ncp://([^/\@]+)/([^/\@]+)/?$!) ||
	     ($connect =~ m!^ncp://.*/([^/\@]+)/([^/\@]+)/?$!) ||
	     ($connect =~ m!^ncp://.*\@([^/\@]+)/([^/\@]+)/?$!)) {
	$connection = _(" on Novell server \"%s\", printer \"%s\"", $1, $2);
    } elsif ($connect =~ m!^postpipe:(.+)$!) {
	$connection = _(", using command %s", $1);
    } else {
	$connection = ($::expert ? ", URI: $connect" : "");
    }
    my $sep = "!";
    $printer->{configured}{$queue}{queuedata}{menuentry} = 
	($::expert ? "$spooler$sep" : "") .
	"$localremote$sep$queue: $make $model$connection";
}

sub read_printer_db(;$) {

    my $spooler = $_[0];

    my $dbpath = $prefix . $PRINTER_DB_FILE;

    local $_; #- use of while (<...

    local *DBPATH; #- don't have to do close ... and don't modify globals at least
    # Generate the Foomatic printer/driver overview, read it from the
    # appropriate file when it is already generated
    if (!(-f $dbpath)) {
	open DBPATH, ($::testing ? $prefix : "chroot $prefix/ ") . 
	    "foomatic-configure -O -q |" or
		die "Could not run foomatic-configure";
    } else {
	open DBPATH, $dbpath or die "An error occurred on $dbpath : $!";
    }

    my $entry = {};
    my $inentry = 0;
    my $indrivers = 0;
    my $inautodetect = 0;
    while (<DBPATH>) {
	chomp;
	if ($inentry) {
	    # We are inside a printer entry
	    if ($indrivers) {
		# We are inside the drivers block of a printers entry
		if (m!^\s*</drivers>\s*$!) {
		    # End of drivers block
		    $indrivers = 0;
		} elsif (m!^\s*<driver>(.+)</driver>\s*$!) {
		    push (@{$entry->{drivers}}, $1);
		}
	    } elsif ($inautodetect) {
		# We are inside the autodetect block of a printers entry
		# All entries inside this block will be ignored
		if (m!^.*</autodetect>\s*$!) {
		    # End of autodetect block
		    $inautodetect = 0;
		}
	    } else {
		if (m!^\s*</printer>\s*$!) {
		    # entry completed
		    $inentry = 0;
		    # Expert mode:
		    # Make one database entry per driver with the entry name
		    # manufacturer|model|driver
		    if ($::expert) {
			my $driver;
			for $driver (@{$entry->{drivers}}) {
			    my $driverstr;
			    if ($driver eq "Postscript") {
				$driverstr = "PostScript";
			    } else {
				$driverstr = "GhostScript + $driver";
			    }
			    if ($driver eq $entry->{defaultdriver}) {
				$driverstr .= " (recommended)";
			    }
			    $entry->{ENTRY} = "$entry->{make}|$entry->{model}|$driverstr";
			    $entry->{driver} = $driver;
			    # Duplicate contents of $entry because it is multiply entered to the database
			    map { $thedb{$entry->{ENTRY}}{$_} = $entry->{$_} } keys %$entry;
			}
		    } else {
			# Recommended mode
			# Make one entry per printer, with the recommended
			# driver (manufacturerer|model)
			$entry->{ENTRY} = "$entry->{make}|$entry->{model}";
			if ($entry->{defaultdriver}) {
			    $entry->{driver} = $entry->{defaultdriver};
			    map { $thedb{$entry->{ENTRY}}{$_} = $entry->{$_} } keys %$entry;
			}
		    }
		    $entry = {};
		} elsif (m!^\s*<id>\s*([^\s<>]+)\s*</id>\s*$!) {
		    # Foomatic printer ID
		    $entry->{printer} = $1;
		} elsif (m!^\s*<make>(.+)</make>\s*$!) {
		    # Printer manufacturer
		    $entry->{make} = uc($1);
		} elsif (m!^\s*<model>(.+)</model>\s*$!) {
		    # Printer model
		    $entry->{model} = $1;
		} elsif (m!<driver>(.+)</driver>!) {
		    # Printer default driver
		    $entry->{defaultdriver} = $1;
		} elsif (m!^\s*<drivers>\s*$!) {
		    # Drivers block
		    $indrivers = 1;
		    @{$entry->{drivers}} = (); 
		} elsif (m!^\s*<autodetect>\s*$!) {
		    # Autodetect block
		    $inautodetect = 1;
		}
	    }
	} else {
	    if (m!^\s*<printer>\s*$!) {
		# new entry
		$inentry = 1;
	    }
	}
    }
    close DBPATH;

    # Add raw queue
    if ($spooler ne "pdq") {
	$entry->{ENTRY} = _("Raw printer (No driver)");
	$entry->{driver} = "raw";
	$entry->{make} = "";
	$entry->{model} = _("Unknown model");
	map { $thedb{$entry->{ENTRY}}{$_} = $entry->{$_} } keys %$entry;
    }

    #- Load CUPS driver database if CUPS is used as spooler
    if (($spooler) && ($spooler eq "cups") && ($::expert)) {

	#&$install('cups-drivers') unless $::testing;
	#my $w;
	#if ($in) {
	#    $w = $in->wait_message(_("CUPS starting"),
	#			   _("Reading CUPS drivers database..."));
	#}
        poll_ppd_base();
    }

    @entries_db_short     = sort keys %printer::thedb;
    #%descr_to_db          = map { $printer::thedb{$_}{DESCR}, $_ } @entries_db_short;
    #%descr_to_help        = map { $printer::thedb{$_}{DESCR}, $printer::thedb{$_}{ABOUT} } @entries_db_short;
    #@entry_db_description = keys %descr_to_db;
    #db_to_descr          = reverse %descr_to_db;

}

sub read_foomatic_options ($) {
    my ($printer) = @_;
    # Generate the option data for the chosen printer/driver combo
    my $COMBODATA;
    local *F;
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"foomatic-configure -P -q -p $printer->{currentqueue}{printer}" .
	    " -d $printer->{currentqueue}{driver}" . 
		($printer->{OLD_QUEUE} ?
		  " -s $printer->{SPOOLER} -n $printer->{OLD_QUEUE}" : "") .
		($printer->{SPECIAL_OPTIONS} ?
		  " $printer->{SPECIAL_OPTIONS}" : "") 
		    . " |" or
	    die "Could not run foomatic-configure";
    eval (join('',(<F>))); 
    close F;
    # Return the arguments field
    return $COMBODATA->{args};
}

sub read_cups_options ($) {
    my ($queue_or_file) = @_;
    # Generate the option data from a CUPS PPD file/a CUPS queue
    # Use the same Perl data structure as Foomatic uses to be able to
    # reuse the dialog
    local *F;
    if ($queue_or_file =~ /.ppd.gz$/) { # compressed PPD file
	open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	    "gunzip -cd $queue_or_file | lphelp - |" or return 0;
    } else { # PPD file not compressed or queue
	open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	    "lphelp $queue_or_file |" or return 0;
    }
    my $i;
    my $j;
    my @args;
    my $line;
    my $inoption = 0;
    my $inchoices = 0;
#    my $innumerical = 0;
    while ($line = <F>) {
	chomp $line;
	if ($inoption) {
	    if ($inchoices) {
		if ($line =~ /^\s*(\S+)\s+(\S.*)$/) {
		    push(@{$args[$i]{vals}}, {});
		    $j = $#{$args[$i]{vals}};
		    $args[$i]{vals}[$j]{value} = $1;
		    my $comment = $2;
		    # Did we find the default setting?
		    if ($comment =~ /default\)\s*$/) {
			$args[$i]{default} = $args[$i]{vals}[$j]{value};
			$comment =~ s/,\s*default\)\s*$//;
		    } else {
			$comment =~ s/\)\s*$//;
		    }
		    # Remove opening paranthese
		    $comment =~ s/^\(//;
		    # Remove page size info
		    $comment =~ s/,\s*size:\s*[0-9\.]+x[0-9\.]+in$//;
		    $args[$i]{vals}[$j]{comment} = $comment;
		} elsif (($line =~ /^\s*$/) && ($#{$args[$i]{vals}} > -1)) {
		    $inchoices = 0;
		    $inoption = 0;
		}
#	    } elsif ($innumerical == 1) {
#		if ($line =~ /^\s*The default value is ([0-9\.]+)\s*$/) {
#		    $args[$i]{default} = $1;
#		    $innumerical = 0;
#		    $inoption = 0;
#		}
	    } else {
		if ($line =~ /^\s*<choice>/) {
		    $inchoices = 1;
#		} elsif ($line =~ /^\s*<value> must be a(.*) number in the range ([0-9\.]+)\.\.([0-9\.]+)\s*$/) {
#		    delete($args[$i]{vals});
#		    $args[$i]{min} = $2;
#		    $args[$i]{max} = $3;
#		    my $type = $1;
#		    if ($type =~ /integer/) {
#			$args[$i]{type} = 'int';
#		    } else {
#			$args[$i]{type} = 'float';
#		    }
#		    $innumerical = 1;
		}
	    }
	} else {
	    if ($line =~ /^\s*([^\s:][^:]*):\s+-o\s+([^\s=]+)=<choice>\s*$/) {
#	    if ($line =~ /^\s*([^\s:][^:]*):\s+-o\s+([^\s=]+)=<.*>\s*$/) {
		$inoption = 1;
		push(@args, {});
		$i = $#args;
		$args[$i]{comment} = $1;
		$args[$i]{name} = $2;
		$args[$i]{type} = 'enum';
		@{$args[$i]{vals}} = ();
	    }
	}
    }
    close F;
    # Return the arguments field
    return \@args;
}

sub set_cups_special_options {
    my ($queue) = $_[0];
    # Set some special CUPS options
    my @lpoptions = chomp_(cat_("$prefix/etc/cups/lpoptions"));
    # If nothing is already configured, set text file borders of half an inch
    # and decrease the font size a little bit, so nothing of the text gets
    # cut off by unprintable borders.
    if(!grep {/$queue.*\s(page-(top|bottom|left|right)|lpi|cpi)=/} @lpoptions){
	run_program::rooted($prefix, "lpoptions",
			    "-p", $queue,
			    "-o", "page-top=36", "-o", "page-bottom=36",
			    "-o", "page-left=36", "-o page-right=36",
			    "-o", "cpi=12", "-o", "lpi=7", "-o", "wrap");
    }
    # Let images fill the whole page by default
    if (!grep {/$queue.*\s(scaling|natural-scaling|ppi)=/} @lpoptions) {
	run_program::rooted($prefix, "lpoptions",
			    "-p", $queue,
			    "-o", "scaling=100");
    }
    return 1;
}

#------------------------------------------------------------------------------

sub read_cups_printer_list {
    my ($printer) = $_[0];
    # This function reads in a list of all printers which the local CUPS
    # daemon currently knows, including remote ones.
    local *F;
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"lpstat -v |" or return ();
    my @printerlist;
    my $line;
    while ($line = <F>) {
	if ($line =~ m/^\s*device\s+for\s+([^:\s]+):\s*(\S+)\s*$/) {
	    my $queuename = $1;
	    my $comment = "";
	    if (($2 =~ m!^ipp://([^/:]+)[:/]!) &&
		(!$printer->{configured}{$queuename})) {
		$comment = _("(on %s)", $1);
	    } else {
		$comment = _("(on this machine)");
	    }
	    push (@printerlist, "$queuename $comment");
	}
    }
    close F;
    return @printerlist;
}

sub get_cups_remote_queues {
    my ($printer) = $_[0];
    # This function reads in a list of all remote printers which the local 
    # CUPS daemon knows due to broadcasting of remote servers or 
    # "BrowsePoll" entries in the local /etc/cups/cupsd.conf/
    local *F;
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"lpstat -v |" or return ();
    my @printerlist;
    my $line;
    while ($line = <F>) {
	if ($line =~ m/^\s*device\s+for\s+([^:\s]+):\s*(\S+)\s*$/) {
	    my $queuename = $1;
	    my $comment = "";
	    if (($2 =~ m!^ipp://([^/:]+)[:/]!) &&
		(!$printer->{configured}{$queuename})) {
		$comment = _("On CUPS server \"%s\"", $1);
		my $sep = "!";
		push (@printerlist,
		      ($::expert ? _("CUPS") . $sep : "") .
		      _("Remote Printers") . "$sep$queuename: $comment"
		      . ($queuename eq $printer->{DEFAULT} ?
			 _(" (Default)") : ("")));
	    }
	}
    }
    close F;
    return @printerlist;
}

sub set_cups_autoconf {
    my $autoconf = $_[0];

    # Read config file
    local *F;
    my $file = "$prefix/etc/sysconfig/printing";
    if (!(-f $file)) {
	@file_content = ();
    } else {
	open F, "< $file" or die "Cannot open $file!";
	@file_content = <F>;
	close F;
    }

    # Remove all valid "CUPS_CONFIG" lines
    (/^\s*CUPS_CONFIG/ and $_ = "") foreach @file_content;
 
    # Insert the new "CUPS_CONFIG" line
    if ($autoconf) {
	push @file_content, "CUPS_CONFIG=automatic\n";
    } else {
	push @file_content, "CUPS_CONFIG=manual\n";
    }

    # Write back modified file
    open F, "> $file" or die "Cannot open $file!";
    print F @file_content;
    close F;

    # Restart CUPS
    restart_service("cups");

    return 1;
}

sub get_cups_autoconf {
    local *F;
    open F, "< $prefix/etc/sysconfig/printing" or return 1;
    my $line;
    while ($line = <F>) {
	if ($line =~ m!^[^\#]*CUPS_CONFIG=manual!) {
	    return 0;
	}
    }
    return 1;
}

sub set_usermode {
    my $usermode = $_[0];
    $::expert = $usermode;

    # Read config file
    local *F;
    my $file = "$prefix/etc/sysconfig/printing";
    if (!(-f $file)) {
	@file_content = ();
    } else {
	open F, "< $file" or die "Cannot open $file!";
	@file_content = <F>;
	close F;
    }

    # Remove all valid "USER_MODE" lines
    (/^\s*USER_MODE/ and $_ = "") foreach @file_content;
 
    # Insert the new "USER_MODE" line
    if ($usermode) {
	push @file_content, "USER_MODE=expert\n";
    } else {
	push @file_content, "USER_MODE=recommended\n";
    }

    # Write back modified file
    open F, "> $file" or die "Cannot open $file!";
    print F @file_content;
    close F;

    return 1;
}

sub get_usermode {
    local *F;
    open F, "< $prefix/etc/sysconfig/printing" or return 0;
    my $line;
    while ($line = <F>) {
	if ($line =~ m!^[^\#]*USER_MODE=expert!) {
	    $::expert = 1;
	    return 1;
	}
    }
    $::expert = 0;
    return 0;
}

sub set_default_printer {
    my ($printer) = $_[0];
    run_program::rooted($prefix, "foomatic-configure",
			"-D", "-q", "-s", $printer->{SPOOLER},
			"-n", $printer->{DEFAULT}) or return 0;
    return 1;
}

sub get_default_printer {
    my $printer = $_[0];
    local *F;
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"foomatic-configure -Q -q -s $printer->{SPOOLER} |" or return undef;
    my $line;
    while ($line = <F>) {
	if ($line =~ m!^\s*<defaultqueue>(.*)</defaultqueue>\s*$!) {
	    return $1;
	}
    }
    return undef;
}

sub read_cupsd_conf {
    my @cupsd_conf;
    local *F;

    open F, "$prefix/etc/cups/cupsd.conf";
    @cupsd_conf = <F>;
    close F;

    @cupsd_conf;
}
sub write_cupsd_conf {
    my (@cupsd_conf) = @_;
    local *F;

    open F, ">$prefix/etc/cups/cupsd.conf";
    print F @cupsd_conf;
    close F;

    #- restart cups after updating configuration.
    restart_service("cups");
}

sub read_printers_conf {
    my ($printer) = @_;
    my $current;

    #- read /etc/cups/printers.conf file.
    #- according to this code, we are now using the following keys for each queues.
    #-    DeviceURI > lpd://printer6/lp
    #-    Info      > Info Text
    #-    Location  > Location Text
    #-    State     > Idle|Stopped
    #-    Accepting > Yes|No
    local *PRINTERS; open PRINTERS, "$prefix/etc/cups/printers.conf" or return;
    local $_;
    while (<PRINTERS>) {
	chomp;
	/^\s*#/ and next;
	if (/^\s*<(?:DefaultPrinter|Printer)\s+([^>]*)>/) { $current = { mode => 'cups', QUEUE => $1, } }
	elsif (/\s*<\/Printer>/) { $current->{QUEUE} && $current->{DeviceURI} or next; #- minimal check of synthax.
				   add2hash($printer->{configured}{$current->{QUEUE}} ||= {}, $current); $current = undef }
	elsif (/\s*(\S*)\s+(.*)/) { $current->{$1} = $2 }
    }
    close PRINTERS;

    #- assume this printing system.
    $printer->{SPOOLER} ||= 'cups';
}

sub get_direct_uri {
    #- get the local printer to access via a Device URI.
    my @direct_uri;
    local *F; open F, ($::testing ? $prefix : "chroot $prefix/ ") . "/usr/sbin/lpinfo -v |";
    local $_;
    while (<F>) {
	/^(direct|usb|serial)\s+(\S*)/ and push @direct_uri, $2;
    }
    close F;
    @direct_uri;
}

sub get_descr_from_ppd {
    my ($printer) = @_;
    my %ppd;

    #- if there is no ppd, this means this is a raw queue.
    local *F; open F, "$prefix/etc/cups/ppd/$printer->{OLD_QUEUE}.ppd" or return "|" . _("Unknown model");
    # "OTHERS|Generic PostScript printer|PostScript (en)";
    local $_;
    while (<F>) {
	/^\*([^\s:]*)\s*:\s*\"([^\"]*)\"/ and do { $ppd{$1} = $2; next };
	/^\*([^\s:]*)\s*:\s*([^\s\"]*)/   and do { $ppd{$1} = $2; next };
    }
    close F;

    my $descr = ($ppd{NickName} || $ppd{ShortNickName} || $ppd{ModelName});
    # Apply the beautifying rules of poll_ppd_base
    if ($descr =~ /Foomatic \+ Postscript/) {
	$descr =~ s/Foomatic \+ Postscript/PostScript/;
    } elsif ($descr =~ /Foomatic/) {
	$descr =~ s/Foomatic/GhostScript/;
    } elsif ($descr =~ /CUPS\+GIMP-print/) {
	$descr =~ s/CUPS\+GIMP-print/CUPS \+ GIMP-Print/;
    } elsif ($descr =~ /Series CUPS/) {
	$descr =~ s/Series CUPS/Series, CUPS/;
    } elsif (!(uc($descr) =~ /POSTSCRIPT/)) {
	$descr .= ", PostScript";
    }

    # Split the $descr into model and driver
    my $model;
    my $driver;
    if ($descr =~ /^([^,]+), (.*)$/) {
	$model = $1;
	$driver = $2;
    } else {
	# Some PPDs do not have the ", <driver>" part.
	$model = $descr;
	$driver = "PostScript";
    }
    my $make = $ppd{Manufacturer};
    my $lang = $ppd{LanguageVersion};

    # Remove manufacturer's name from the beginning of the model name
    if (($make) && ($model =~ /^$make[\s\-]+([^\s\-].*)$/)) {
	$model = $1;
    }

    # Put out the resulting description string
    uc($make) . '|' . $model . '|' . $driver .
      ($lang && (" (" . lc(substr($lang, 0, 2)) . ")"));
}

sub poll_ppd_base {
    #- before trying to poll the ppd database available to cups, we have to make sure
    #- the file /etc/cups/ppds.dat is no more modified.
    #- if cups continue to modify it (because it reads the ppd files available), the
    #- poll_ppd_base program simply cores :-)
    run_program::rooted($prefix, "ifconfig lo 127.0.0.1"); #- else cups will not be happy! and ifup lo don't run ?
    start_not_running_service("cups");
    my $driversthere = scalar(keys %thedb);
    foreach (1..60) {
	local *PPDS; open PPDS, ($::testing ? $prefix : "chroot $prefix/ ") . "/usr/bin/poll_ppd_base -a |";
	local $_;
	while (<PPDS>) {
	    chomp;
	    my ($ppd, $mf, $descr, $lang) = split /\|/;
	    if ($ppd eq "raw") { next }
	    my ($model, $driver);
	    if ($descr) {
		if ($descr =~ /^([^,]+), (.*)$/) {
		    $model = $1;
		    $driver = $2;
		} else {
		    # Some PPDs do not have the ", <driver>" part.
		    $model = $descr;
		    $driver = "PostScript";
		}
	    }
	    # Rename Canon "BJC XXXX" models into "BJC-XXXX" so that the models
	    # do not appear twice
	    if ($mf eq "CANON") {
		$model =~ s/BJC\s+/BJC-/;
	    }
	    $ppd && $mf && $descr and do {
		my $key = "$mf|$model|$driver" . ($lang && " ($lang)");
	        $thedb{$key}{ppd} = $ppd;
		$thedb{$key}{driver} = $driver;
		$thedb{$key}{make} = $mf;
		$thedb{$key}{model} = $model;
	    }
	}
	close PPDS;
	scalar(keys %thedb) - $driversthere > 5 and last;
	#- we have to try again running the program, wait here a little before.
	sleep 1; 
    }

    #scalar(keys %descr_to_ppd) > 5 or die "unable to connect to cups server";

}



#-******************************************************************************
#- write functions
#-******************************************************************************

sub configure_queue($) {
    my ($printer) = @_;
    local *F;

    if ($printer->{currentqueue}{foomatic}) {
	#- Create the queue with "foomatic-configure", in case of queue
	#- renaming copy the old queue
        run_program::rooted($prefix, "foomatic-configure", "-q",
			    "-s", $printer->{currentqueue}{spooler},
			    "-n", $printer->{currentqueue}{queue},
			    (($printer->{currentqueue}{queue} ne 
			      $printer->{OLD_QUEUE}) &&
			     ($printer->{configured}{$printer->{OLD_QUEUE}}) ?
			     ("-C", $printer->{OLD_QUEUE}) : ()),
			    "-c", $printer->{currentqueue}{connect},
			    "-p", $printer->{currentqueue}{printer},
			    "-d", $printer->{currentqueue}{driver},
			    "-N", $printer->{currentqueue}{desc},
			    "-L", $printer->{currentqueue}{loc},
			    @{$printer->{currentqueue}{options}}
			    ) or die "foomatic-configure failed";
    } elsif ($printer->{currentqueue}{ppd}) {
	#- If the chosen driver is a PPD file from /usr/share/cups/model,
	#- we use lpadmin to set up the queue
        run_program::rooted($prefix, "lpadmin",
			    "-p", $printer->{currentqueue}{queue},
#			    $printer->{State} eq 'Idle' && 
#			        $printer->{Accepting} eq 'Yes' ? ("-E") : (),
			    "-E",
			    "-v", $printer->{currentqueue}{connect},
			    ($printer->{currentqueue}{ppd} ne '1') ?
			        ("-m", $printer->{currentqueue}{ppd}) : (),
			    $printer->{currentqueue}{desc} ?
			        ("-D", $printer->{currentqueue}{desc}) : (),
			    $printer->{currentqueue}{loc} ? 
			        ("-L", $printer->{currentqueue}{loc}) : (),
			    @{$printer->{currentqueue}{options}}
			    ) or die "lpadmin failed";
	# Add a comment line containing the path of the used PPD file to the
	# end of the PPD file
	if ($printer->{currentqueue}{ppd} ne '1') {
	    open F, ">> $prefix/etc/cups/ppd/$printer->{currentqueue}{queue}.ppd";
	    print F "*%MDKMODELCHOICE:$printer->{currentqueue}{ppd}\n";
	    close F;
	}
	# Copy the old queue's PPD file to the new queue when it is renamed,
	# to conserve the option settings
	if (($printer->{currentqueue}{queue} ne 
	     $printer->{OLD_QUEUE}) &&
	    ($printer->{configured}{$printer->{OLD_QUEUE}})) {
	    system("cp -f $prefix/etc/cups/ppd/$printer->{OLD_QUEUE}.ppd $prefix/etc/cups/ppd/$printer->{currentqueue}{queue}.ppd");
	}
    } else {
	# Raw queue
        run_program::rooted($prefix, "foomatic-configure", "-q",
			    "-s", $printer->{currentqueue}{spooler},
			    "-n", $printer->{currentqueue}{queue},
			    "-c", $printer->{currentqueue}{connect},
			    "-d", $printer->{currentqueue}{driver},
			    "-N", $printer->{currentqueue}{desc},
			    "-L", $printer->{currentqueue}{loc}
			    ) or die "foomatic-configure failed";
    }	  

    # Make sure that queue is active
    if ($printer->{SPOOLER} ne "pdq") {
        run_program::rooted($prefix, "foomatic-printjob",
			    "-s", $printer->{currentqueue}{spooler},
			    "-C", "up", $printer->{currentqueue}{queue});
    }

    # In case of CUPS set some more useful defaults for text and image printing
    if ($printer->{SPOOLER} eq "cups") {
	set_cups_special_options($printer->{currentqueue}{queue});
    }

    # Check whether a USB printer is configured and activate USB printing if so
    my $useUSB = 0;
    foreach (values %{$printer->{configured}}) {
	$useUSB ||= $_->{queuedata}{connect} =~ /usb/ || 
	    $_->{DeviceURI} =~ /usb/;
    }
    $useUSB ||= ($printer->{currentqueue}{queue}{queuedata}{connect}
		 =~ /usb/);
    if ($useUSB) {
	my $f = "$prefix/etc/sysconfig/usb";
	my %usb = getVarsFromSh($f);
	$usb{PRINTER} = "yes";
	setVarsInSh($f, \%usb);
    }

    # Open permissions for device file when PDQ is chosen as spooler
    # so normal users can print.
    if ($printer->{SPOOLER} eq 'pdq') {
	if ($printer->{currentqueue}{connect} =~ m!^\s*file:(\S*)\s*$!) {
	    set_permissions($1,"666");
	}
    }

    # Make a new printer entry in the $printer structure
    $printer->{configured}{$printer->{currentqueue}{queue}}{queuedata} =
        {};
    copy_printer_params($printer->{currentqueue},
      $printer->{configured}{$printer->{currentqueue}{queue}}{queuedata});
    # Construct an entry line for tree view in main window of
    # printerdrake
    make_menuentry($printer, $printer->{currentqueue}{queue});

    # Store the default option settings
    $printer->{configured}{$printer->{currentqueue}{queue}}{args} = {};
    if ($printer->{currentqueue}{foomatic}) {
	my $tmp = $printer->{OLD_QUEUE};
	$printer->{OLD_QUEUE} = $printer->{currentqueue}{queue};
	$printer->{configured}{$printer->{currentqueue}{queue}}{args} = 
	    read_foomatic_options($printer);
	$printer->{OLD_QUEUE} = $tmp;
    } elsif ($printer->{currentqueue}{ppd}) {
	$printer->{configured}{$printer->{currentqueue}{queue}}{args} =
	    read_cups_options($printer->{currentqueue}{queue});
    }
    # Clean up
    delete($printer->{ARGS});
    $printer->{OLD_CHOICE} = "";
    $printer->{ARGS} = {};
    $printer->{DBENTRY} = "";
    $printer->{currentqueue} = {};
}

sub remove_queue($$) {
    my ($printer) = $_[0];
    my ($queue) = $_[1];
    run_program::rooted($prefix, "foomatic-configure", "-R", "-q",
			"-s", $printer->{SPOOLER},
			"-n", $queue);
    # Delete old stuff from data structure
    delete $printer->{configured}{$queue};
    delete($printer->{currentqueue});
    delete($printer->{ARGS});
    $printer->{OLD_CHOICE} = "";
    $printer->{ARGS} = {};
    $printer->{DBENTRY} = "";
    $printer->{currentqueue} = {};
    removeprinterfromapplications($printer, $queue);
}

sub restart_queue($) {
    my ($printer) = @_;
    my $queue = $printer->{QUEUE};

    # Restart the daemon(s)
    for ($printer->{SPOOLER}) {
	/cups/ && do {
	    #- restart cups.
	    restart_service("cups");
	    last };
	/lpr|lprng/ && do {
	    #- restart lpd.
	    foreach (("/var/spool/lpd/$queue/lock", "/var/spool/lpd/lpd.lock")) {
		my $pidlpd = (cat_("$prefix$_"))[0];
		kill 'TERM', $pidlpd if $pidlpd;
		unlink "$prefix$_";
	    }
	    restart_service("lpd"); sleep 1;
	    last };
    }
    # Kill the jobs
    run_program::rooted($prefix, "foomatic-printjob", "-R",
			"-s", $printer->{SPOOLER},
			"-P", $queue, "-");

}

sub print_pages($@) {
    my ($printer, @pages) = @_;
    my $queue = $printer->{QUEUE};
    my $lpr = "/usr/bin/foomatic-printjob";
    my $lpq = "$lpr -Q";

    # Print the pages
    foreach (@pages) {
	my $page = $_;
	# Only text and PostScript can be printed directly with all spoolers,
	# images must be treated seperately
	if ($page =~ /\.jpg$/) {
	    if ($printer->{SPOOLER} ne "cups") {
		# Use "convert" from ImageMagick for non-CUPS spoolers
		system(($::testing ? $prefix : "chroot $prefix/ ") .
		       "/usr/bin/convert $page -page 427x654+100+65 PS:- | " .
		       ($::testing ? $prefix : "chroot $prefix/ ") .
		       "$lpr -s $printer->{SPOOLER} -P $queue");
	    } else {
		# Use CUPS's internal image converter with CUPS, tell it
		# to let the image occupy 90% of the page size (so nothing
		# gets cut off by unprintable borders)
		run_program::rooted($prefix, $lpr, "-s", $printer->{SPOOLER},
				    "-P", $queue, "-o", "scaling=90", $page);
	    }		
	} else {
	    run_program::rooted($prefix, $lpr, "-s", $printer->{SPOOLER},
				"-P", $queue, $page);
	}
    }
    sleep 5; #- allow lpr to send pages.
    # Check whether the job is queued
    local *F; 
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . "$lpq -s $printer->{SPOOLER} -P $queue |";
    my @lpq_output =
	grep { !/^no entries/ && !(/^Rank\s+Owner/ .. /^\s*$/) } <F>;
    close F;
    @lpq_output;
}

sub lphelp_output {
    my ($printer) = @_;
    my $queue = $printer->{QUEUE};
    my $lphelp = "/usr/bin/lphelp";

    local *F; 
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . "$lphelp $queue |";
    $helptext = join("", <F>);
    close F;
    if (!$helptext || ($helptext eq "")) {
	$helptext = "Option list not available!\n";
    }
    return $helptext;
}

sub pdqhelp_output {
    my ($printer) = @_;
    my $queue = $printer->{QUEUE};
    my $pdq = "/usr/bin/pdq";

    local *F; 
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . "$pdq -h -P $queue  2>&1 |";
    $helptext = join("", <F>);
    close F;
    return $helptext;
}

sub print_optionlist {
    my ($printer) = @_;
    my $queue = $printer->{QUEUE};
    my $lpr = "/usr/bin/foomatic-printjob";

    # Print the option list pages
    if ($printer->{configured}{$queue}{queuedata}{foomatic}) {
        run_program::rooted($prefix, $lpr, "-s", $printer->{SPOOLER},
			    "-P", $queue, "-o", "docs",
			    "/etc/bashrc");
    } elsif ($printer->{configured}{$queue}{queuedata}{ppd}) {
	system(($::testing ? $prefix : "chroot $prefix/ ") .
	       "/usr/bin/lphelp $queue | " .
	       ($::testing ? $prefix : "chroot $prefix/ ") .
	       "$lpr -s $printer->{SPOOLER} -P $queue");
    }
}

# ---------------------------------------------------------------
#
# Spooler config stuff
#
# ---------------------------------------------------------------

sub get_copiable_queues {
    my ($oldspooler, $newspooler) = @_;
    local $_; #- use of while (<...

    local *QUEUEOUTPUT; #- don't have to do close ... and don't modify globals
                        #- at least
    my @queuelist;      #- here we will list all Foomatic-generated queues
    # Get queue list with foomatic-configure
    open QUEUEOUTPUT, ($::testing ? $prefix : "chroot $prefix/ ") . 
	    "foomatic-configure -Q -q -s $oldspooler |" or
		die "Could not run foomatic-configure";

    my $entry = {};
    my $inentry = 0;
    while (<QUEUEOUTPUT>) {
	chomp;
	if ($inentry) {
	    # We are inside a queue entry
	    if (m!^\s*</queue>\s*$!) {
		# entry completed
		$inentry = 0;
		if (($entry->{foomatic}) && 
		    ($entry->{spooler} eq $oldspooler)) {
		    # Is the connection type supported by the new
		    # spooler?
		    if ((($newspooler eq "cups") &&
			 (($entry->{connect} =~ /^file:/) ||
			  ($entry->{connect} =~ /^ptal:/) ||
			  ($entry->{connect} =~ /^lpd:/) ||
			  ($entry->{connect} =~ /^socket:/) ||
			  ($entry->{connect} =~ /^smb:/) ||
			  ($entry->{connect} =~ /^ipp:/))) ||
			((($newspooler eq "lpd") ||
			  ($newspooler eq "lprng")) &&
			 (($entry->{connect} =~ /^file:/) ||
			  ($entry->{connect} =~ /^ptal:/) ||
			  ($entry->{connect} =~ /^lpd:/) ||
			  ($entry->{connect} =~ /^socket:/) ||
			  ($entry->{connect} =~ /^smb:/) ||
			  ($entry->{connect} =~ /^ncp:/) ||
			  ($entry->{connect} =~ /^postpipe:/))) ||
			(($newspooler eq "pdq") &&
			 (($entry->{connect} =~ /^file:/) ||
			  ($entry->{connect} =~ /^ptal:/) ||
			  ($entry->{connect} =~ /^lpd:/) ||
			  ($entry->{connect} =~ /^socket:/)))) {
			push(@queuelist, $entry->{name});
		    }
		}
		$entry = {};
	    } elsif (m!^\s*<name>(.+)</name>\s*$!) {
		    # queue name
		    $entry->{name} = $1;
	    } elsif (m!^\s*<connect>(.+)</connect>\s*$!) {
		    # connection type (URI)
		    $entry->{connect} = $1;
	    }
	} else {
	    if (m!^\s*<queue\s+foomatic\s*=\s*\"?(\d+)\"?\s*spooler\s*=\s*\"?(\w+)\"?\s*>\s*$!) {
		# new entry
		$inentry = 1;
		$entry->{foomatic} = $1;
		$entry->{spooler} = $2;
	    }
	}
    }
    close QUEUEOUTPUT;
    
    return @queuelist;
}

sub copy_foomatic_queue {
    my ($printer, $oldqueue, $oldspooler, $newqueue) = @_;
    run_program::rooted($prefix, "foomatic-configure", "-q",
			"-s", $printer->{SPOOLER},
			"-n", $newqueue,
			"-C", $oldspooler, $oldqueue);
    # In case of CUPS set some more useful defaults for text and image printing
    if ($printer->{SPOOLER} eq "cups") {
	set_cups_special_options($newqueue);
    }
}

# ------------------------------------------------------------------
#
# Configuration of HP multi-function devices
#
# ------------------------------------------------------------------

sub configure_hpoj {
    my ($device, @autodetected) = @_;

    # Make the subroutines of /usr/sbin/ptal-init available
    # It's only necessary to read it at the first call of this subroutine,
    # the subroutine definitions stay valid after leaving this subroutine.
    if (!$ptalinitread) {
	local *PTALINIT;
	open PTALINIT, "$prefix/usr/sbin/ptal-init" or do {
	    die "unable to open $prefix/usr/sbin/ptal-init";
	};
	my @ptalinitfunctions; # subroutine definitions in /usr/sbin/ptal-init
	while (<PTALINIT>) {
	    if (m!sub main!) {
		last;
	    } elsif (m!^[^\#]!) {
		# Make the subroutines also working during installation
		if ($::isInstall) {
		    s!\$prefix!\$hpoj_prefix!g;
		    s!prefix=\"/usr\"!prefix=\"$prefix/usr\"!g;
		    s!etcPtal=\"/etc/ptal\"!etcPtal=\"$prefix/etc/ptal\"!g;
		    s!varLock=\"/var/lock\"!varLock=\"$prefix/var/lock\"!g;
		    s!varRunPrefix=\"/var/run\"!varRunPrefix=\"$prefix/var/run\"!g;
		}
		push (@ptalinitfunctions, $_);
	    }
	}
	close PTALINIT;

	eval "@ptalinitfunctions
        sub getDevnames {
	    return (%devnames)
	}
        sub getConfigInfo {
            return (%configInfo)
        }";

	if ($::isInstall) {
	    # Needed for photo card reader detection during installation
	    system("ln -s $prefix/var/run/ptal-mlcd /var/run/ptal-mlcd");
	    system("ln -s $prefix/etc/ptal /etc/ptal");
	}
	$ptalinitread = 1;
    }

    # Read the HPOJ config file and check whether this device is already
    # configured
    setupVariables ();
    readDeviceInfo ();

    $device =~ m!^/dev/\S*lp(\d+)$! or
	$device =~ m!^/dev/printers/(\d+)$! or
	$device =~ m!^socket://([^:]+)$! or
	$device =~ m!^socket://([^:]+):(\d+)$!;
    my $model = $1;
    my $model_long = "";
    my $serialnumber = "";
    my $serialnumber_long = "";
    my $cardreader = 0;
    my $device_ok = 1;
    my $bus;
    my $address_arg = "";
    my $base_address = "";
    my $hostname = "";
    my $port = $2;
    if ($device =~ /usb/) {
	$bus = "usb";
    } elsif (($device =~ /par/) ||
	     ($device =~ /\/dev\/lp/) ||
	     ($device =~ /printers/)) {
	$bus = "par";
	$address_arg = parport_addr($device);
	$address_arg =~ /^\s*-base\s+(\S+)/;
	eval ("$base_address = $1");
    } elsif ($device =~ /socket/) {
	$bus = "hpjd";
	$hostname = $model;
	return "" if ($port) && (($port < 9100) || ($port > 9103));
	if (($port) && ($port != 9100)) {
	    $port -= 9100;
	    $hostname .= ":$port";
	}
    } else {
	return "";
    }
    my $devdata;
    foreach (@autodetected) {
	$device eq $_->{port} or next;
	$devdata = $_;
	# $model is for the PTAL device name, so make sure that it is unique
	# so in the case of the model name auto-detection having failed leave
	# the port number or the host name as model name.
	my $searchunknown = _("Unknown model");
	if (($_->{val}{MODEL}) &&
	    ($_->{val}{MODEL} !~ /$searchunknown/i) &&
	    ($_->{val}{MODEL} !~ /^\s*$/)) {
	    $model = $_->{val}{MODEL};
	}
	$serialnumber = $_->{val}{SERIALNUMBER};
	# Check if the device is really an HP multi-function device
	if ($bus ne "hpjd") {
	    # Start ptal-mlcd daemon for locally connected devices
	    stop_service("hpoj");
	    run_program::rooted($prefix, 
				"ptal-mlcd", "$bus:probe", "-device", 
				$device, split(' ',$address_arg));
	}
	$device_ok = 0;
	local *F;
	my $ptalprobedevice =
	    ($bus eq "hpjd" ? "hpjd:$hostname" : "mlc:$bus:probe");
	if (open F, ($::testing ? $prefix : "chroot $prefix/ ") . "/usr/bin/ptal-devid $ptalprobedevice |") {
	    my $devid = join("", <F>);
	    close F;
	    if ($devid) {
		$device_ok = 1;
		if (open F, ($::testing ? $prefix : "chroot $prefix/ ") . "/usr/bin/ptal-devid $ptalprobedevice -long -mdl 2>/dev/null |") {
		    $model_long = join("", <F>);
		    close F;
		    chomp $model_long;
		    # If SNMP or local port auto-detection failed but HPOJ
		    # auto-detection succeeded, fill in model name here.
		    if ((!$_->{val}{MODEL}) ||
			($_->{val}{MODEL} =~ /$searchunknown/i) ||
			($_->{val}{MODEL} =~ /^\s*$/)) {
			if ($model_long =~ /:([^:;]+);/) {
			    $_->{val}{MODEL} = $1;
			}
		    }
		}
		if (open F, ($::testing ? $prefix : "chroot $prefix/ ") . "/usr/bin/ptal-devid $ptalprobedevice -long -sern 2>/dev/null |") {
		    $serialnumber_long = join("", <F>);
		    close F;
		    chomp $serialnumber_long;
		}
		if (cardReaderDetected ($ptalprobedevice)) {
		    $cardreader = 1;
		}
	    }
	}
	if ($bus ne "hpjd") {
	    # Stop ptal-mlcd daemon for locally connected devices
	    if (open F, ($::testing ? $prefix : "chroot $prefix/ ") . "ps auxwww | grep \"ptal-mlcd $bus:probe\" | grep -v grep | ") {
		my $line = <F>;
		if ($line =~ /^\s*\S+\s+(\d+)\s+/) {
		    my $pid = $1;
		    kill (15, $pid);
		}
		close F;
	    }
	    start_service("hpoj");
	}
	last;
    }
    # No, it is not an HP multi-function device.
    return "" if (!$device_ok);

    # Determine the ptal device name from already existing config files
    my $ptalprefix =
	($bus eq "hpjd" ? "hpjd:" : "mlc:$bus:");
    my $ptaldevice = lookupDevname ($ptalprefix, $model_long, 
				    $serialnumber_long, $base_address);

    # It's all done for us, the device is already configured
    return $ptaldevice if defined($ptaldevice);

    # Determine the ptal name for a new device
    if ($bus eq "hpjd") {
	$ptaldevice = "hpjd:$hostname";
    } else {
	$ptaldevice = $model;
	$ptaldevice =~ s![\s/]+!_!g;
	$ptaldevice = "mlc:$bus:$ptaldevice";
    }

    # Delete any old/conflicting devices
    deleteDevice ($ptaldevice);
    if ($bus eq "par") {
	while (1) {
	    my $oldDevname = lookupDevname ("mlc:par:",undef,undef,
					  $base_address);
	    if (!defined($oldDevname)) {
		last;
	    }
	    deleteDevice ($oldDevname);
	}
    }

    # Configure the device

    # Open configuration file
    local *CONFIG;
    open(CONFIG,"> $prefix/etc/ptal/$ptaldevice") or
	die "Could not open /etc/ptal/$ptaldevice for writing!\n";

    # Write file header.
    $_ = `date`;
    chomp;
    print CONFIG
	"# Added $_ by \"printerdrake\".\n".
	"\n".
	"# The basic format for this file is \"key[+]=value\".\n".
	"# If you say \"+=\" instead of \"=\", then the value is appended to any\n".
	"# value already defined for this key, rather than replacing it.\n".
	"\n".
	"# Comments must start at the beginning of the line.  Otherwise, they may\n".
	"# be interpreted as being part of the value.\n".
	"\n".
	"# If you have multiple devices and want to define options that apply to\n".
	"# all of them, then put them in the file /etc/ptal/defaults, which is read\n".
	"# in before this file.\n".
	"\n".
	"# The format version of this file:\n".
	"#   ptal-init ignores devices with incorrect/missing versions.\n".
	"init.version=1\n";

    # Write model string.
    if ($model_long !~ /\S/) {
	print CONFIG
	    "\n".
	    "# \"printerdrake\" couldn't read the model but added this device anyway:\n".
	    "# ";
    } else {
	print CONFIG
	    "\n".
	    "# The device model that was originally detected on this port:\n".
	    "#   If this ever changes, then you should re-run \"printerdrake\"\n".
	    "#   to delete and re-configure this device.\n";
	if ($bus eq "par") {
	    print CONFIG
		"#   Comment out if you don't care what model is really connected to this\n".
		"#   parallel port.\n";
	}
    }
    print CONFIG
	"init.mlcd.append+=-devidmatch \"$model_long\"\n";

    # Write serial-number string.
    if ($serialnumber_long!~/\S/) {
	print CONFIG
	    "\n".
	    "# The device's serial number is unknown.\n".
	    "# ";
    } else {
	print CONFIG
	    "\n".
	    "# The serial number of the device that was originally detected on this port:\n"
	    ;
	if ($bus=~/^[pu]/) {
	    print CONFIG
		"#   Comment out if you want to disable serial-number matching.\n";
	}
    }
    print CONFIG
	"init.mlcd.append+=-devidmatch \"$serialnumber_long\"\n";

    if ($bus=~/^[pu]/) {
	print CONFIG
	    "\n".
	    "# Standard options passed to ptal-mlcd:\n".
	    "init.mlcd.append+=";
	if ($bus eq "usb") {
	    # Important: don't put more quotes around /dev/usb/lp[0-9]*,
	    # because ptal-mlcd currently does no globbing:
	    print CONFIG "-device /dev/usb/lp[0-9]*";
	} elsif ($bus eq "par") {
	    print CONFIG "$address_arg -device $device";
	}
	print CONFIG "\n".
	    "\n".
	    "# ptal-mlcd's remote console can be useful for debugging, but may be a\n".
	    "# security/DoS risk otherwise.  In any case, it's accessible with the\n".
	    "# command \"ptal-connect mlc:<XXX>:<YYY> -service PTAL-MLCD-CONSOLE\".\n".
	    "# Uncomment the following line if you want to enable this feature for\n".
	    "# this device:\n".
	    "# init.mlcd.append+=-remconsole\n".
	    "\n".
	    "# If you need to pass any other command-line options to ptal-mlcd, then\n".
	    "# add them to the following line and uncomment the line:\n".
	    "# init.mlcd.append+=\n".
	    "\n".
	    "# By default ptal-printd is started for mlc: devices.  If you use CUPS,\n".
	    "# then you may not be able to use ptal-printd, and you can uncomment the\n".
	    "# following line to disable ptal-printd for this device:\n".
	    "# init.printd.start=0\n";
    } else {
	print CONFIG
	    "\n".
	    "# By default ptal-printd isn't started for hpjd: devices.\n".
	    "# If for some reason you want to start it for this device, then\n".
	    "# uncomment the following line:\n".
	    "init.printd.start=1\n";
    }

    print CONFIG
	"\n".
	"# If you need to pass any additional command-line options to ptal-printd,\n".
	"# then add them to the following line and uncomment the line:\n".
	"# init.printd.append+=\n";
    if ($cardreader) {
	print CONFIG
	    "\n".
	    "# Uncomment the following line to enable ptal-photod for this device:\n".
	    "init.photod.start=1\n".
	    "\n".
	    "# If you have more than one photo-card-capable peripheral and you want to\n".
	    "# assign particular TCP port numbers and mtools drive letters to each one,\n".
	    "# then change the line below to use the \"-portoffset <n>\" option.\n".
	    "init.photod.append+=-maxaltports 26\n";
    }
    close(CONFIG);
    readOneDevice ($ptaldevice);

    # Restart HPOJ
    restart_service("hpoj");

    # Return HPOJ device name to form the URI
    return $ptaldevice;
}

sub parport_addr{
    # auto-detect the parallel port addresses
    my ($device) = @_;
    $device =~ m!^/dev/lp(\d+)$! or
	$device =~ m!^/dev/printers/(\d+)$!;
    my $portnumber = $1;
    my $parport_addresses = 
	`cat /proc/sys/dev/parport/parport$portnumber/base-addr`;
    my $address_arg;
    if ($parport_addresses =~ /^\s*(\d+)\s+(\d+)\s*$/) {
	$address_arg = sprintf(" -base 0x%x -basehigh 0x%x", $1, $2);
    } elsif ($parport_addresses =~ /^\s*(\d+)\s*$/) {
	$address_arg = sprintf(" -base 0x%x", $1);
    } else {
	$address_arg = "";
    }
    return $address_arg;
}

sub config_sane {
    # Add HPOJ backend to /etc/sane.d/dll.conf if needed (no individual
    # config file /etc/sane.d/hpoj.conf necessary, the HPOJ driver finds the
    # scanner automatically)
    return if member("hpoj", chomp_(cat_("$prefix/etc/sane.d/dll.conf")));
    local *F;
    open F, ">> $prefix/etc/sane.d/dll.conf" or 
	die "can't write SANE config in /etc/sane.d/dll.conf: $!";
    print F "hpoj\n";
    close F;
}

sub config_photocard {

    # Add definitions for the drives p:. q:, r:, and s: to /etc/mtools.conf
    my $mtoolsconf = join("", cat_("$prefix/etc/mtools.conf"));
    return if $mtoolsconf =~ m/^\s*drive\s+p:/m;
    my $mtoolsconf_append = "
# Drive definitions added for the photo card readers in HP multi-function
# devices driven by HPOJ
drive p: file=\":0\" remote
drive q: file=\":1\" remote
drive r: file=\":2\" remote
drive s: file=\":3\" remote
# This turns off some file system integrity checks of mtools, it is needed
# for some photo cards.
mtools_skip_check=1
";
    open F, ">> $prefix/etc/mtools.conf" or 
	die "can't write mtools config in /etc/mtools.conf: $!";
    print F $mtoolsconf_append;
    close F;

    # Generate a config file for the graphical mtools frontend MToolsFM or
    # modify the existing one
    my $mtoolsfmconf;
    if (-f "$prefix/etc/mtoolsfm.conf") {
	open F, "< $prefix/etc/mtoolsfm.conf" or 
	    die "can't read MToolsFM config in $prefix/etc/mtoolsfm.conf: $!";
	$mtoolsfmconf = join("", <F>);
	close F;
	$mtoolsfmconf =~ m/^\s*DRIVES\s*=\s*\"([A-Za-z ]*)\"/m;
	my $alloweddrives = lc($1);
	foreach my $letter ("p", "q", "r", "s") {
	    if ($alloweddrives !~ /$letter/) {
		$alloweddrives .= $letter;
	    }
	}
	$mtoolsfmconf =~ s/^\s*DRIVES\s*=\s*\"[A-Za-z ]*\"/DRIVES=\"$alloweddrives\"/m;
	$mtoolsfmconf =~ s/^\s*LEFTDRIVE\s*=\s*\"[^\"]*\"/LEFTDRIVE=\"p\"/m;
    } else {
	$mtoolsfmconf = "\# MToolsFM config file. comments start with a hash sign.
\#
\# This variable sets the allowed driveletters (all lowercase). Example:
\# DRIVES=\"ab\"
DRIVES=\"apqrs\"
\#
\# This variable sets the driveletter upon startup in the left window.
\# An empty string or space is for the hardisk. Example:
\# LEFTDRIVE=\"a\"
LEFTDRIVE=\"p\"
\#
\# This variable sets the driveletter upon startup in the right window.
\# An empty string or space is for the hardisk. Example:
\# RIGHTDRIVE=\"a\"
RIGHTDRIVE=\" \"
";
    }
    open F, "> $prefix/etc/mtoolsfm.conf" or 
	die "can't write mtools config in /etc/mtools.conf: $!";
    print F $mtoolsfmconf;
    close F;
}

# ------------------------------------------------------------------
#
# Configuration of printers in applications
#
# ------------------------------------------------------------------

sub configureapplications {
    my ($printer) = @_;
    setcupslink ($printer);
    configurestaroffice($printer);
    configureopenoffice($printer);
    configuregimp($printer);
}

sub addcupsremotetoapplications {
    my ($printer, $queue) = @_;
    setcupslink ($printer);
    return (addcupsremotetostaroffice($printer, $queue) &&
	    addcupsremotetoopenoffice($printer, $queue) &&
	    addcupsremotetogimp($printer, $queue));
}

sub removeprinterfromapplications {
    my ($printer, $queue) = @_;
    setcupslink ($printer);
    return (removeprinterfromstaroffice($printer, $queue) &&
	    removeprinterfromopenoffice($printer, $queue) &&
	    removeprinterfromgimp($printer, $queue));
}

sub removelocalprintersfromapplications {
    my ($printer) = @_;
    setcupslink ($printer);
    removelocalprintersfromstaroffice($printer);
    removelocalprintersfromopenoffice($printer);
    removelocalprintersfromgimp($printer);
}

sub setcupslink {
    my ($printer) = @_;
    return 1 if (!$::isInstall);
    return 1 if ($printer->{SPOOLER} ne "cups");
    return 1 if (-d "/etc/cups/ppd");
    system("ln -sf $prefix/etc/cups /etc/cups");
    return 1;
}

sub getcupsremotequeues {
    # The following code reads in a list of all remote printers which the
    # local CUPS daemon knows due to broadcasting of remote servers or 
    # "BrowsePoll" entries in the local /etc/cups/cupsd.conf
    local *F;
    open F, ($::testing ? $prefix : "chroot $prefix/ ") . 
	"lpstat -v |" or return ();
    my @printerlist;
    my $line;
    while ($line = <F>) {
	if ($line =~ m/^\s*device\s+for\s+([^:\s]+):\s*(\S+)\s*$/) {
	    my $queuename = $1;
	    if (($2 =~ m!^ipp://([^/:]+)[:/]!) &&
		(!$printer->{configured}{$queuename})) {
		my $server = $1;
		push (@printerlist, "$queuename|$server");
	    }
	}
    }
    close F;
    return @printerlist;
}

# ------------------------------------------------------------------
#   Star Offica/OpenOffice.org
# ------------------------------------------------------------------

sub configurestaroffice {
    my ($printer) = @_;
    # Do we have Star Office installed?
    my $configfilename = findsofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/xp3/Xpdefaults$!;
    my $configprefix = $1;
    # Load Star Office printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Update remote CUPS queues
    if (0 && ($printer->{SPOOLER} eq "cups") && 
	(-x "$prefix/usr/bin/curl")) {
	my @printerlist = getcupsremotequeues();
	for my $listentry (@printerlist) {
	    next if !($listentry =~ /^([^\|]+)\|([^\|]+)$/);
	    my $queue = $1;
	    my $server = $2;
	    eval(run_program::rooted
		 ($prefix, "curl", "-o", "/etc/foomatic/$queue.ppd",
		  "http://$server:631/printers/$queue.ppd"));
	    if (-r "$prefix/etc/foomatic/$queue.ppd") {
		$configfilecontent = 
		    makestarofficeprinterentry($printer, $queue,
					       $configprefix,
					       $configfilecontent);
	    }
	}
    }
    # Update local printer queues
    for my $queue (keys(%{$printer->{configured}})) {
	# Check if we have a PPD file
	if (! -r "$prefix/etc/foomatic/$queue.ppd") {
	    if (-r "$prefix/etc/cups/ppd/$queue.ppd") {
		# If we have a PPD file in the CUPS config dir, link to it
		run_program::rooted($prefix, 
				    "ln", "-sf",
				    "/etc/cups/ppd/$queue.ppd",
				    "/etc/foomatic/$queue.ppd");
	    } elsif (-r "$prefix/usr/share/postscript/ppd/$queue.ppd") {
		# Check PPD directory of GPR, too
		run_program::rooted($prefix, 
				    "ln", "-sf",
				    "/usr/share/postscript/ppd/$queue.ppd",
				    "/etc/foomatic/$queue.ppd");
	    } else {
		# No PPD file at all? We cannot set up this printer
		next;
	    }
	}
	$configfilecontent = 
	    makestarofficeprinterentry($printer, $queue, $configprefix,
				       $configfilecontent);
    }
    # Patch PostScript output to print Euro symbol correctly also for
    # the "Generic Printer"
    $configfilecontent = removeentry
	("ports", "default_queue=", $configfilecontent);
    $configfilecontent = addentry
	("ports",
	 "default_queue=/usr/bin/perl -p -e \"s=16#80 /euro=16#80 /Euro=\" | /usr/bin/$lprcommand{$printer->{SPOOLER}}",
	 $configfilecontent);
    # Write back Star Office configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub configureopenoffice {
    my ($printer) = @_;
    # Do we have OpenOffice.org installed?
    my $configfilename = findopenofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/psprint/psprint.conf$!;
    my $configprefix = $1;
    # Load OpenOffice.org printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Update remote CUPS queues
    if (0 && ($printer->{SPOOLER} eq "cups") && 
	(-x "$prefix/usr/bin/curl")) {
	my @printerlist = getcupsremotequeues();
	for my $listentry (@printerlist) {
	    next if !($listentry =~ /^([^\|]+)\|([^\|]+)$/);
	    my $queue = $1;
	    my $server = $2;
	    eval(run_program::rooted
		 ($prefix, "curl", "-o", "/etc/foomatic/$queue.ppd",
		  "http://$server:631/printers/$queue.ppd"));
	    if (-r "$prefix/etc/foomatic/$queue.ppd") {
		$configfilecontent = 
		    makeopenofficeprinterentry($printer, $queue,
					       $configprefix,
					       $configfilecontent);
	    }
	}
    }
    # Update local printer queues
    for my $queue (keys(%{$printer->{configured}})) {
	# Check if we have a PPD file
	if (! -r "$prefix/etc/foomatic/$queue.ppd") {
	    if (-r "$prefix/etc/cups/ppd/$queue.ppd") {
		# If we have a PPD file in the CUPS config dir, link to it
		run_program::rooted($prefix, 
				    "ln", "-sf",
				    "/etc/cups/ppd/$queue.ppd",
				    "/etc/foomatic/$queue.ppd");
	    } elsif (-r "$prefix/usr/share/postscript/ppd/$queue.ppd") {
		# Check PPD directory of GPR, too
		run_program::rooted($prefix, 
				    "ln", "-sf",
				    "/usr/share/postscript/ppd/$queue.ppd",
				    "/etc/foomatic/$queue.ppd");
	    } else {
		# No PPD file at all? We cannot set up this printer
		next;
	    }
	}
	$configfilecontent = 
	    makeopenofficeprinterentry($printer, $queue, $configprefix,
				       $configfilecontent);
    }
    # Patch PostScript output to print Euro symbol correctly also for
    # the "Generic Printer"
    $configfilecontent = removeentry
	("Generic Printer", "Command=", $configfilecontent);
    $configfilecontent = addentry
	("Generic Printer", 
	 "Command=/usr/bin/perl -p -e \"s=/euro /unused=/Euro /unused=\" | /usr/bin/$lprcommand{$printer->{SPOOLER}}",
	 $configfilecontent);
    # Write back OpenOffice.org configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub addcupsremotetostaroffice {
    my ($printer, $queue) = @_;
    # Do we have Star Office installed?
    my $configfilename = findsofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/xp3/Xpdefaults$!;
    my $configprefix = $1;
    # Load Star Office printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Update remote CUPS queues
    if (($printer->{SPOOLER} eq "cups") && 
	(-x "$prefix/usr/bin/curl")) {
	my @printerlist = getcupsremotequeues();
	for my $listentry (@printerlist) {
	    next if !($listentry =~ /^([^\|]+)\|([^\|]+)$/);
	    my $q = $1;
	    next if ($q ne $queue);
	    my $server = $2;
	    # Remove server name from queue name
	    $q =~ s/^([^@]*)@.*$/$1/;
	    eval(run_program::rooted
		 ($prefix, "/usr/bin/curl", "-o",
		  "/etc/foomatic/$queue.ppd",
		  "http://$server:631/printers/$q.ppd"));
	    # Does the file exist and is it not an error message?
	    if ((-r "$prefix/etc/foomatic/$queue.ppd") &&
		(cat_("$prefix/etc/foomatic/$queue.ppd") =~ 
		 /^\*PPD-Adobe/)) {
		$configfilecontent = 
		    makestarofficeprinterentry($printer, $queue,
					       $configprefix,
					       $configfilecontent);
	    } else {
		unlink ("$prefix/etc/foomatic/$queue.ppd");
		return 0;
	    }
	    last;
	}
    }
    # Write back Star Office configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub addcupsremotetoopenoffice {
    my ($printer, $queue) = @_;
    # Do we have OpenOffice.org installed?
    my $configfilename = findopenofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/psprint/psprint.conf$!;
    my $configprefix = $1;
    # Load OpenOffice.org printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Update remote CUPS queues
    if (($printer->{SPOOLER} eq "cups") && 
	(-x "$prefix/usr/bin/curl")) {
	my @printerlist = getcupsremotequeues();
	for my $listentry (@printerlist) {
	    next if !($listentry =~ /^([^\|]+)\|([^\|]+)$/);
	    my $q = $1;
	    next if ($q ne $queue);
	    my $server = $2;
	    # Remove server name from queue name
	    $q =~ s/^([^@]*)@.*$/$1/;
	    eval(run_program::rooted
		 ($prefix, "/usr/bin/curl", "-o",
		  "/etc/foomatic/$queue.ppd",
		  "http://$server:631/printers/$q.ppd"));
	    # Does the file exist and is it not an error message?
	    if ((-r "$prefix/etc/foomatic/$queue.ppd") &&
		(cat_("$prefix/etc/foomatic/$queue.ppd") =~ 
		 /^\*PPD-Adobe/)) {
		$configfilecontent = 
		    makeopenofficeprinterentry($printer, $queue,
					       $configprefix,
					       $configfilecontent);
	    } else {
		unlink ("$prefix/etc/foomatic/$queue.ppd");
		return 0;
	    }
	}
    }
    # Write back OpenOffice.org configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub removeprinterfromstaroffice {
    my ($printer, $queue) = @_;
    # Do we have Star Office installed?
    my $configfilename = findsofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/xp3/Xpdefaults$!;
    my $configprefix = $1;
    # Load Star Office printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Remove the printer entry
    $configfilecontent = 
	removestarofficeprinterentry($printer, $queue, $configprefix,
				     $configfilecontent);
    # Write back Star Office configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub removeprinterfromopenoffice {
    my ($printer, $queue) = @_;
    # Do we have OpenOffice.org installed?
    my $configfilename = findopenofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/psprint/psprint.conf$!;
    my $configprefix = $1;
    # Load OpenOffice.org printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Remove the printer entry
    $configfilecontent = 
	removeopenofficeprinterentry($printer, $queue, $configprefix,
				     $configfilecontent);
    # Write back OpenOffice.org configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub removelocalprintersfromstaroffice {
    my ($printer) = @_;
    # Do we have Star Office installed?
    my $configfilename = findsofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/xp3/Xpdefaults$!;
    my $configprefix = $1;
    # Load Star Office printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Remove the printer entries
    for my $queue (keys(%{$printer->{configured}})) {
	$configfilecontent = 
	    removestarofficeprinterentry($printer, $queue, $configprefix,
					 $configfilecontent);
    }
    # Write back Star Office configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub removelocalprintersfromopenoffice {
    my ($printer) = @_;
    # Do we have OpenOffice.org installed?
    my $configfilename = findopenofficeconfigfile();
    return 1 if !$configfilename;
    $configfilename =~ m!^(.*)/share/psprint/psprint.conf$!;
    my $configprefix = $1;
    # Load OpenOffice.org printer config file
    my $configfilecontent = readsofficeconfigfile($configfilename);
    # Remove the printer entries
    for my $queue (keys(%{$printer->{configured}})) {
	$configfilecontent = 
	    removeopenofficeprinterentry($printer, $queue, $configprefix,
					 $configfilecontent);
    }
    # Write back OpenOffice.org configuration file
    return writesofficeconfigfile($configfilename, $configfilecontent);
}

sub makestarofficeprinterentry {
    my ($printer, $queue, $configprefix, $configfile) = @_;
    # Set default printer
    if ($queue eq $printer->{DEFAULT}) {
	$configfile = removeentry("windows", "device=", $configfile);
	$configfile = addentry("windows", 
			       "device=$queue,$queue PostScript,$queue",
			       $configfile);
    }
    # Make an entry in the "[devices]" section
    $configfile = removeentry("devices", "$queue=", $configfile);
    $configfile = addentry("devices", 
			   "$queue=$queue PostScript,$queue",
			   $configfile);
    # Make an entry in the "[ports]" section
    # The "perl" command patches the PostScript output to print the Euro
    # symbol correctly.
    $configfile = removeentry("ports", "$queue=", $configfile);
    $configfile = addentry("ports", 
			   "$queue=/usr/bin/perl -p -e \"s=16#80 /euro=16#80 /Euro=\" | /usr/bin/$lprcommand{$printer->{SPOOLER}} -P $queue",
			   $configfile);
    # Make printer's section
    $configfile = addsection("$queue,PostScript,$queue", $configfile);
    # Load PPD file
    my $ppd = cat_("$prefix/etc/foomatic/$queue.ppd");
    # Set the PostScript level
    my $pslevel;
    if ($ppd =~ /^\s*\*LanguageLevel:\s*\"?([^\s\"]+)\"?\s*$/m) {
	$pslevel = $1;
	$pslevel = "2" if $pslevel eq "3";
    } else {
	$pslevel = "2";
    }
    $configfile = removeentry("$queue.PostScript.$queue",
			      "Level=", $configfile);
    $configfile = addentry("$queue.PostScript.$queue", 
			   "Level=$pslevel", $configfile);
    # Set Color/BW
    my $color;
    if ($ppd =~ /^\s*\*ColorDevice:\s*\"?([Tt]rue)\"?\s*$/m) {
	$color = "1";
    } else {
	$color = "0";
    }
    $configfile = removeentry("$queue.PostScript.$queue",
			      "BitmapColor=", $configfile);
    $configfile = addentry("$queue.PostScript.$queue", 
			   "BitmapColor=$color", $configfile);
    # Set the default paper size
    if ($ppd =~ /^\s*\*DefaultPageSize:\s*(\S+)\s*$/m) {
	my $papersize = $1;
	$configfile = removeentry("$queue.PostScript.$queue",
				  "PageSize=", $configfile);
	$configfile = removeentry("$queue.PostScript.$queue",
				  "PPD_PageSize=", $configfile);
	$configfile = addentry("$queue.PostScript.$queue", 
			       "PageSize=$papersize", $configfile);
	$configfile = addentry("$queue.PostScript.$queue", 
			       "PPD_PageSize=$papersize", $configfile);
    }
    # Link the PPD file
    run_program::rooted($prefix, 
			"ln", "-sf", "/etc/foomatic/$queue.ppd", 
			"$configprefix/share/xp3/ppds/$queue.PS");
    return $configfile;
}

sub makeopenofficeprinterentry {
    my ($printer, $queue, $configprefix, $configfile) = @_;
    # Make printer's section
    $configfile = addsection($queue, $configfile);
    # Load PPD file
    my $ppd = cat_("$prefix/etc/foomatic/$queue.ppd");
    # "PPD_PageSize" line
    if ($ppd =~ /^\s*\*DefaultPageSize:\s*(\S+)\s*$/m) {
	my $papersize = $1;
	$configfile = removeentry($queue,
				  "PPD_PageSize=", $configfile);
	$configfile = addentry($queue, 
			       "PPD_PageSize=$papersize", $configfile);
    }
    # "Command" line
    # The "perl" command patches the PostScript output to print the Euro
    # symbol correctly.
    $configfile = removeentry($queue, "Command=", $configfile);
    $configfile = addentry($queue, 
			   "Command=/usr/bin/perl -p -e \"s=/euro /unused=/Euro /unused=\" | /usr/bin/$lprcommand{$printer->{SPOOLER}} -P $queue",
			   $configfile);
    # "Comment" line 
    $configfile = removeentry($queue, "Comment=", $configfile);
    if (($printer->{configured}{$queue}) &&
	($printer->{configured}{$queue}{queuedata}{desc})) {
	$configfile = addentry
	    ($queue, 
	     "Comment=$printer->{configured}{$queue}{queuedata}{desc}",
	     $configfile);
    } else {
	$configfile = addentry($queue, 
			       "Comment=",
			       $configfile);
    }
    # "Location" line 
    $configfile = removeentry($queue, "Location=", $configfile);
    if (($printer->{configured}{$queue}) &&
	($printer->{configured}{$queue}{queuedata}{loc})) {
	$configfile = addentry
	    ($queue, 
	     "Location=$printer->{configured}{$queue}{queuedata}{loc}",
	     $configfile);
    } else {
	$configfile = addentry($queue, 
			       "Location=",
			       $configfile);
    }
    # "DefaultPrinter" line
    $configfile = removeentry($queue, "DefaultPrinter=", $configfile);
    my $default = "0";
    if ($queue eq $printer->{DEFAULT}) {
	$default = "1";
	# "DefaultPrinter=0" for the "Generic Printer"
	$configfile = removeentry("Generic Printer", "DefaultPrinter=",
				  $configfile);
	$configfile = addentry("Generic Printer", 
			       "DefaultPrinter=0",
			       $configfile);	
    }
    $configfile = addentry($queue, 
			   "DefaultPrinter=$default",
			   $configfile);
    # "Printer" line 
    $configfile = removeentry($queue, "Printer=", $configfile);
    $configfile = addentry($queue, 
			   "Printer=$queue/$queue",
			   $configfile);
    # Link the PPD file
    run_program::rooted($prefix, 
			"ln", "-sf", "/etc/foomatic/$queue.ppd", 
			"$configprefix/share/psprint/driver/$queue.PS");
    return $configfile;
}

sub removestarofficeprinterentry {
    my ($printer, $queue, $configprefix, $configfile) = @_;
    # Remove default printer entry
    $configfile = removeentry("windows", "device=$queue,", $configfile);
    # Remove entry in the "[devices]" section
    $configfile = removeentry("devices", "$queue=", $configfile);
    # Remove entry in the "[ports]" section
    $configfile = removeentry("ports", "$queue=", $configfile);
    # Remove "[$queue,PostScript,$queue]" section
    $configfile = removesection("$queue,PostScript,$queue", $configfile);
    # Remove Link of PPD file
    run_program::rooted($prefix, 
			"rm", "-f", 
			"$configprefix/share/xp3/ppds/$queue.PS");
    return $configfile;
}

sub removeopenofficeprinterentry {
    my ($printer, $queue, $configprefix, $configfile) = @_;
    # Remove printer's section
    $configfile = removesection($queue, $configfile);
    # Remove Link of PPD file
    run_program::rooted($prefix, 
			"rm", "-f", 
			"$configprefix/share/psprint/driver/$queue.PS");
    return $configfile;
}

sub findsofficeconfigfile {
    my @configfilenames = 
	("/usr/lib/*/share/xp3/Xpdefaults",
	 "/usr/local/lib/*/share/xp3/Xpdefaults",
	 "/usr/local/*/share/xp3/Xpdefaults",
	 "/opt/*/share/xp3/Xpdefaults");
    my $configfilename = "";
    for $configfilename (@configfilenames) {
	local *F;
	if (open F, "ls -r $prefix$configfilename 2> /dev/null |") {
	    my $filename = <F>;
	    close F;
	    if ($filename) {
		if ($prefix ne "") {
		    $filename =~ s:^$prefix::;
		}
		# Work around a bug in the "ls" of "busybox". During
		# installation it outputs the mask given on the command line
		# instead of nothing when the mask does not match any file
		next if $filename =~ /\*/;
		return $filename;
	    }
	}
    }
    return "";
}

sub findopenofficeconfigfile {
    my @configfilenames =
	("/usr/lib/*/share/psprint/psprint.conf",
	 "/usr/local/lib/*/share/psprint/psprint.conf",
	 "/usr/local/*/share/psprint/psprint.conf",
	 "/opt/*/share/psprint/psprint.conf");
    my $configfilename = "";
    for $configfilename (@configfilenames) {
	local *F;
	if (open F, "ls -r $prefix$configfilename 2> /dev/null |") {
	    my $filename = <F>;
	    close F;
	    if ($filename) {
		if ($prefix ne "") {
		    $filename =~ s:^$prefix::;
		}
		# Work around a bug in the "ls" of "busybox". During
		# installation it outputs the mask given on the command line
		# instead of nothing when the mask does not match any file
		next if $filename =~ /\*/;
		return $filename;
	    }
	}
    }
    return "";
}

sub readsofficeconfigfile {
    my ($file) = @_;
    local *F; 
    open F, "< $prefix$file" or return "";
    my $filecontent = join("", <F>);
    close F;
    return $filecontent;
}

sub writesofficeconfigfile {
    my ($file, $filecontent) = @_;
    local *F; 
    open F, "> $prefix$file" or return 0;
    print F $filecontent;
    close F;
    return 1;
}

sub addentry {
    my ($section, $entry, $filecontent) = @_;
    my $sectionfound = 0;
    my $entryinserted = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	if (!$sectionfound) {
	    if (/^\s*\[\s*$section\s*\]\s*$/) {
		$sectionfound = 1;
	    }
	} else {
	    if (!/^\s*$/ && !/^\s*;/) { #-#
		$_ = "$entry\n$_";
		$entryinserted = 1;
		last;
	    }
	}
    }
    if ($sectionfound && !$entryinserted) {
	push(@lines, $entry);
    }
    return join ("\n", @lines);
}

sub addsection {
    my ($section, $filecontent) = @_;
    my $entryinserted = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	if (/^\s*\[\s*$section\s*\]\s*$/) {
	    # section already there, nothing to be done
	    return $filecontent;
	}
    }
    return $filecontent . "\n[$section]";
}

sub removeentry {
    my ($section, $entry, $filecontent) = @_;
    my $sectionfound = 0;
    my $done = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	$_ = "$_\n";
	next if ($done);
	if (!$sectionfound) {
	    if (/^\s*\[\s*$section\s*\]\s*$/) {
		$sectionfound = 1;
	    }
	} else {
	    if (/^\s*\[.*\]\s*$/) { # Next section
		$done = 1;
	    } elsif (/^\s*$entry/) {
		$_ = "";
		$done = 1;
	    }
	}
    }
    return join ("", @lines);
}

sub removesection {
    my ($section, $filecontent) = @_;
    my $sectionfound = 0;
    my $done = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	$_ = "$_\n";
	next if ($done);
	if (!$sectionfound) {
	    if (/^\s*\[\s*$section\s*\]\s*$/) {
		$_ = "";
		$sectionfound = 1;
	    }
	} else {
	    if (/^\s*\[.*\]\s*$/) { # Next section
		$done = 1;
	    } else {
		$_ = "";
	    }
	}
    }
    return join ("", @lines);
}

# ------------------------------------------------------------------
#   GIMP
# ------------------------------------------------------------------

sub configuregimp {
    my ($printer, $queue) = @_;
    # Do we have files to treat?
    my @configfilenames = findgimpconfigfiles();
    return 1 if $#configfilenames < 0;
    # There is no system-wide config file, treat every user's config file
    for my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readgimpconfigfile($configfilename);
	# Update local printer queues
	for my $queue (keys(%{$printer->{configured}})) {
	    # Check if we have a PPD file
	    if (! -r "$prefix/etc/foomatic/$queue.ppd") {
		if (-r "$prefix/etc/cups/ppd/$queue.ppd") {
		    # If we have a PPD file in the CUPS config dir, link to it
		    run_program::rooted($prefix, 
					"ln", "-sf",
					"/etc/cups/ppd/$queue.ppd",
					"/etc/foomatic/$queue.ppd");
		} elsif (-r "$prefix/usr/share/postscript/ppd/$queue.ppd") {
		    # Check PPD directory of GPR, too
		    run_program::rooted
			($prefix, 
			 "ln", "-sf",
			 "/usr/share/postscript/ppd/$queue.ppd",
			 "/etc/foomatic/$queue.ppd");
		} else {
		    # No PPD file at all? We cannot set up this printer
		    next;
		}
	    }
	    # Add the printer entry
	    if (!isgimpprinterconfigured ($queue, $configfilecontent)) {
		# Remove the old printer entry
		$configfilecontent = 
		    removegimpprinter($queue, $configfilecontent);
		# Add the new printer entry
		$configfilecontent = 
		    makegimpprinterentry($printer, $queue,
					 $configfilecontent);
	    }
	}
	# Default printer
	if ($printer->{DEFAULT}) {
	    if ($configfilecontent !~ /^\s*Current\-Printer\s*:/m) {
		$configfilecontent =~
		    s/\n/\nCurrent-Printer: $printer->{DEFAULT}\n/s;
	    } else {
		$configfilecontent =~ /^\s*Current\-Printer\s*:\s*(\S+)\s*$/m;
		if (!isgimpprinterconfigured ($1, $configfilecontent)) {
		    $configfilecontent =~
			s/(Current\-Printer\s*:\s*)\S+/$1$printer->{DEFAULT}/;
		}
	    }
	}
	# Write back GIMP's printer configuration file
	writegimpconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub addcupsremotetogimp {
    my ($printer, $queue) = @_;
    # Do we have files to treat?
    my @configfilenames = findgimpconfigfiles();
    return 1 if $#configfilenames < 0;
    my @printerlist = getcupsremotequeues();
    my $ppdfile = "";
    if (($printer->{SPOOLER} eq "cups") && 
	(-x "$prefix/usr/bin/curl")) {
	for my $listentry (@printerlist) {
	    next if !($listentry =~ /^([^\|]+)\|([^\|]+)$/);
	    my $q = $1;
	    next if ($q ne $queue);
	    my $server = $2;
	    # Remove server name from queue name
	    $q =~ s/^([^@]*)@.*$/$1/;
	    eval(run_program::rooted
		 ($prefix, "/usr/bin/curl", "-o",
		  "/etc/foomatic/$queue.ppd",
		  "http://$server:631/printers/$q.ppd"));
	    # Does the file exist and is it not an error message?
	    if ((-r "$prefix/etc/foomatic/$queue.ppd") &&
		(cat_("$prefix/etc/foomatic/$queue.ppd") =~ 
		 /^\*PPD-Adobe/)) {
		$ppdfile = "/etc/foomatic/$queue.ppd";
	    } else {
		unlink ("$prefix/etc/foomatic/$queue.ppd");
		return 0;
	    }
	}
    } else {
	return 1;
    }
    # There is no system-wide config file, treat every user's config file
    for my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readgimpconfigfile($configfilename);
	# Add the printer entry
	if (!isgimpprinterconfigured ($queue, $configfilecontent)) {
	    # Remove the old printer entry
	    $configfilecontent = 
		removegimpprinter($queue, $configfilecontent);
	    # Add the new printer entry
	    $configfilecontent = 
		makegimpprinterentry($printer, $queue,
				     $configfilecontent);
	}
	# Write back GIMP's printer configuration file
	writegimpconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub removeprinterfromgimp {
    my ($printer, $queue) = @_;
    # Do we have files to treat?
    my @configfilenames = findgimpconfigfiles();
    return 1 if $#configfilenames < 0;
    # There is no system-wide config file, treat every user's config file
    for my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readgimpconfigfile($configfilename);
	# Remove the printer entry
	$configfilecontent = 
	    removegimpprinter($queue, $configfilecontent);
	# Write back GIMP's printer configuration file
	writegimpconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub removelocalprintersfromgimp {
    my ($printer) = @_;
    # Do we have files to treat?
    my @configfilenames = findgimpconfigfiles();
    return 1 if $#configfilenames < 0;
    # There is no system-wide config file, treat every user's config file
    for my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readgimpconfigfile($configfilename);
	# Remove the printer entries
	for my $queue (keys(%{$printer->{configured}})) {
	    $configfilecontent = 
		removegimpprinter($queue, $configfilecontent);
	}
	# Write back GIMP's printer configuration file
	writegimpconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub makegimpprinterentry {
    my ($printer, $queue, $configfile) = @_;
    # Make printer's section
    $configfile = addgimpprinter($queue, $configfile);
    # Load PPD file
    my $ppd = cat_("$prefix/etc/foomatic/$queue.ppd");
    # Is the printer configured with GIMP-Print?
    my $gimpprintqueue = 0;
    my $gimpprintdriver = "ps2";
    if ($ppd =~ /CUPS\s*\+\s*GIMP\s*\-\s*Print/im) {
	# Native CUPS driver
	$gimpprintqueue = 1;
	$ppd =~ /\s*\*ModelName:\s*\"(\S+)\"\s*$/im;
	$gimpprintdriver = $1;
    } elsif ($ppd =~ /Foomatic\s*\+\s*gimp\s*\-\s*print/im) {
	# GhostScript + Foomatic driver
	$gimpprintqueue = 1;
	$ppd =~
	    /'idx'\s*=>\s*'ev\/gimp-print-((escp2|pcl|bjc|lexmark)\-\S*)'/im;
	$gimpprintdriver = $1;
    }
    if ($gimpprintqueue) {
	# Get the paper size from the PPD file
	if ($ppd =~ /^\s*\*DefaultPageSize:\s*(\S+)\s*$/m) {
	    my $papersize = $1;
	    $configfile = removegimpentry($queue,
					  "Media-Size", $configfile);
	    $configfile = addgimpentry($queue, 
				       "Media-Size: $papersize", $configfile);
	}
	$configfile = removegimpentry($queue,
				      "PPD-File:", $configfile);
	$configfile = addgimpentry($queue, 
				   "PPD-File:", $configfile);
	$configfile = removegimpentry($queue,
				      "Driver:", $configfile);
	$configfile = addgimpentry($queue, 
				   "Driver: $gimpprintdriver", $configfile);
	$configfile = removegimpentry($queue,
				      "Destination:", $configfile);
	$configfile = addgimpentry($queue, 
				   "Destination: /usr/bin/$lprcommand{$printer->{SPOOLER}} -P $queue -o raw", $configfile);
    } else {
	$configfile = removegimpentry($queue,
				      "PPD-File:", $configfile);
	$configfile = addgimpentry($queue, 
				   "PPD-File: /etc/foomatic/$queue.ppd", $configfile);
	$configfile = removegimpentry($queue,
				      "Driver:", $configfile);
	$configfile = addgimpentry($queue, 
				   "Driver: ps2", $configfile);
	$configfile = removegimpentry($queue,
				      "Destination:", $configfile);
	$configfile = addgimpentry($queue, 
				   "Destination: /usr/bin/$lprcommand{$printer->{SPOOLER}} -P $queue", $configfile);
    }
    return $configfile;
}

sub findgimpconfigfiles {
    my @configfilenames;
    if (-d "$prefix/usr/lib/gimp/1.2") {
	push (@configfilenames, ".gimp-1.2/printrc");
    }
    if (-d "$prefix/usr/lib/gimp/1.3") {
	push (@configfilenames, ".gimp-1.3/printrc");
    }
    my @filestotreat;
    local *PASSWD;
    open PASSWD, "< $prefix/etc/passwd" or die "Cannot read /etc/passwd!\n";
    while (<PASSWD>) {
	chomp;
	if ($_ =~ /^([^:]+):[^:]*:([^:]+):([^:]+):[^:]*:([^:]+):[^:]*$/) {
	    my ($username, $uid, $gid, $homedir) = ($1, $2, $3, $4);
	    if ((($uid == 0) || ($uid >= 500)) && ($username ne "nobody")) {
		for my $file (@configfilenames) {
		    my $dir = "$homedir/$file";
		    $dir =~ s:/[^/]*$::;
		    next if ((-f $dir) && (! -d $dir));
		    if (! -d "$prefix$dir") {
			run_program::rooted($prefix, 
					    "/bin/mkdir", $dir)
			    or next;
			run_program::rooted($prefix, 
					      "/bin/chown", "$uid.$gid", $dir)
			    or next;
		    }
		    if (! -f "$prefix$homedir/$file") {
			local *F;
			open F, "> $prefix$homedir/$file" or next;
			print F "#PRINTRCv1 written by GIMP-PRINT 4.2.2 - 13 Sep 2002\n";
			close F;
			run_program::rooted($prefix, 
					    "/bin/chown", "$uid.$gid",
					    "$homedir/$file")
			    or next;
		    }
		    push (@filestotreat, "$homedir/$file");
		}
	    }
	}
    }
    @filestotreat;
}

sub readgimpconfigfile {
    my ($file) = @_;
    local *F; 
    open F, "< $prefix$file" or return "";
    my $filecontent = join("", <F>);
    close F;
    return $filecontent;
}

sub writegimpconfigfile {
    my ($file, $filecontent) = @_;
    local *F; 
    open F, "> $prefix$file" or return 0;
    print F $filecontent;
    close F;
    return 1;
}

sub addgimpentry {
    my ($section, $entry, $filecontent) = @_;
    my $sectionfound = 0;
    my $entryinserted = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	if (!$sectionfound) {
	    if (/^\s*Printer\s*:\s*($section)\s*$/) {
		$sectionfound = 1;
	    }
	} else {
	    if (!/^\s*$/ && !/^\s*;/) { #-#
		$_ = "$entry\n$_";
		$entryinserted = 1;
		last;
	    }
	}
    }
    if ($sectionfound && !$entryinserted) {
	push(@lines, $entry);
    }
    return join ("\n", @lines);
}

sub addgimpprinter {
    my ($section, $filecontent) = @_;
    my $entryinserted = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	if (/^\s*Printer\s*:\s*($section)\s*$/) {
	    # section already there, nothing to be done
	    return $filecontent;
	}
    }
    return $filecontent . "\nPrinter: $section";
}

sub removegimpentry {
    my ($section, $entry, $filecontent) = @_;
    my $sectionfound = 0;
    my $done = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	$_ = "$_\n";
	next if ($done);
	if (!$sectionfound) {
	    if (/^\s*Printer\s*:\s*($section)\s*$/) {
		$sectionfound = 1;
	    }
	} else {
	    if (/^\s*Printer\s*:\s*.*\s*$/) { # Next section
		$done = 1;
	    } elsif (/^\s*$entry/) {
		$_ = "";
		$done = 1;
	    }
	}
    }
    return join ("", @lines);
}

sub removegimpprinter {
    my ($section, $filecontent) = @_;
    my $sectionfound = 0;
    my $done = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	$_ = "$_\n";
	next if ($done);
	if (!$sectionfound) {
	    if (/^\s*Printer\s*:\s*($section)\s*$/) {
		$_ = "";
		$sectionfound = 1;
	    }
	} else {
	    if (/^\s*Printer\s*:\s*.*\s*$/) { # Next section
		$done = 1;
	    } else {
		$_ = "";
	    }
	}
    }
    return join ("", @lines);
}

sub isgimpprinterconfigured {
    my ($queue, $filecontent) = @_;
    my $sectionfound = 0;
    my $done = 0;
    my $drivernotps2 = 0;
    my $ppdfileset = 0;
    my $nonrawprinting = 0;
    my @lines = split("\n", $filecontent);
    local $_;
    for (@lines) {
	last if ($done);
	if (!$sectionfound) {
	    if (/^\s*Printer\s*:\s*($queue)\s*$/) {
		$sectionfound = 1;
	    }
	} else {
	    if (/^\s*Printer\s*:\s*.*\s*$/) { # Next section
		$done = 1;
	    } elsif (/^\s*Driver:\s*(\S+)\s*$/) {
		$drivernotps2 = ($1 ne "ps2");
	    } elsif (/^\s*PPD\-File:\s*(\S+)\s*$/) {
		$ppdfileset = 1;
	    } elsif (/^\s*Destination:\s*(\S+.*)$/) {
		$nonrawprinting = ($1 !~ /\-o\s*raw/);
	    } 
	}
    }
    return 0 if ($done && !$sectionfound);
    return 1 if ($ppdfileset || $drivernotps2 || $nonrawprinting);
    return 0;
}

# ------------------------------------------------------------------

1;