208 lines
6.7 KiB
Plaintext
208 lines
6.7 KiB
Plaintext
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#!/usr/bin/perl
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# The above Perl path may vary on your system; fix it!!! -*- perl -*-
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# dnssd - Search for network printers with the avahi-browse command
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# (Zeroconf, DNS-SD)
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# Printer discovery CUPS backend (like the SNMP backend)
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# See also http://qa.mandriva.com/show_bug.cgi?id=21812
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# Copyright 2007 Till Kamppeter <till.kamppeter@gmail.com>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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# USA.
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# Usage:
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#
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# cp dnssd /usr/lib/cups/backend/
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# chmod 755 /usr/lib/cups/backend/dnssd
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# killall -HUP cupsd (or "/etc/init.d/cups restart", CUPS 1.1.x only)
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# lpinfo -v (or use any printer setup tool)
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#use strict;
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$0 =~ m!^(.*)/([^/]+)\s*$!;
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my $progname = ($2 || $0 || "dnssd");
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my $progpath = ($1 || "/usr/lib/cups/backend");
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if ($ARGV[0]){
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die "This backend is only for printer discovery, not for actual printing.\n";
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}
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my $avahicmd = "avahi-browse -k -t -v -r -a 2> /dev/null";
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# IPs which are for computers, consider their printer entries as queues
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# set up with the local printing system (CUPS, LPD, Windows/Samba SMB, ...)
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my @ipblacklist = ();
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my $output;
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my ($interface, $nettype, $ip, $host, $make, $model, $description, $cmd, $makemodel, $deviceid, $protocol, $port, $uriext, $uri);
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open (AVAHI, "$avahicmd |") or die "Could not call \"$avahicmd\"\n";
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while (my $line = <AVAHI>) {
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chomp ($line);
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if ($line =~ /^\s*=\s+(\S+)\s+(\S+)\s+(.*?)\s+(\S+)\s+(\S+)\s*$/) {
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# New item
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$interface = $1;
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$nettype = $2;
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my $itemname = $3;
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my $protocolinfo = $4;
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if ($protocolinfo =~ /_workstation/) {
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$protocol = "computer";
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} elsif ($protocolinfo =~ /_pdl-datastream/) {
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$protocol = "socket";
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} elsif ($protocolinfo =~ /_printer/) {
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$protocol = "lpd";
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} elsif ($protocolinfo =~ /_ipp/) {
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$protocol = "ipp";
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}
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} elsif ($line =~ /^\s*hostname\s*=\s*\[([^\]]+)\]\s*$/) {
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$host = $1;
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$host =~ s/\.local\.?$//;
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} elsif ($line =~ /^\s*address\s*=\s*\[([^\]]+)\]\s*$/) {
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$ip = $1;
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if ($protocol eq "computer") {
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push (@ipblacklist, $ip);
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$protocol = "";
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}
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} elsif ($line =~ /^\s*port\s*=\s*\[([^\]]+)\]\s*$/) {
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$port = $1;
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} elsif ($line =~ /^\s*txt\s*=\s*\[(.+)\]\s*$/) {
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my $info = $1;
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if ($protocol) {
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my ($ty, $product, $pdls, $usb_MFG, $usb_MDL, $usb_DES, $usb_CMD) =
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("", "", "", "", "", "", "");
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while ($info =~ s/^\s*\"([^\"]+)\"\s*//) {
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my $infoitem = $1;
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if ($infoitem =~ /^([^=]*)=(.*)$/) {
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my $field = $1;
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my $content = $2;
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if ($field eq "ty") {
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$ty = $content;
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} elsif ($field eq "product") {
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$product = $content;
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$product =~ s/^\((.*)\)$/$1/;
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} elsif ($field eq "usb_MFG") {
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$usb_MFG = $content;
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} elsif ($field eq "usb_MDL") {
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$usb_MDL = $content;
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} elsif ($field eq "usb_DES") {
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$usb_DES = $content;
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} elsif ($field eq "usb_CMD") {
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$usb_CMD = $content;
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} elsif ($field eq "rp") {
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$uriext = $content;
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} elsif ($field eq "pdl") {
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while ($content =~ s/^\s*([^\,]+?)\s*\,\s*//) {
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my $i = $1;
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if ($i =~ m!\b(postscript|ps)\b!i) {
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$pdls .= "POSTSCRIPT,";
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} elsif ($i =~ m!\b(pdf)\b!i) {
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$pdls .= "PDF,";
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} elsif ($i =~ m!\b(pcl6|pclxl|pxl)\b!i) {
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$pdls .= "PCLXL,";
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} elsif ($i =~ m!\b(pcl[345][ce]?|pcl)\b!i) {
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$pdls .= "PCL,";
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}
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}
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$pdls =~ s/\,$//;
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}
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}
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}
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$usb_MDL ||= $ty;
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$usb_DES ||= $product;
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if ($usb_MFG) {
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$make = $usb_MFG;
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} elsif ($usb_DES =~ /^KONICA\s+MINOLTA\b/i) {
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$make = "KONICA MINOLTA";
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} elsif ($usb_DES) {
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$usb_DES =~ /^\s*(\S*)\b/;
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$make = $1;
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}
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$model = $usb_MDL;
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if (!$model) {
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$usb_DES =~ /^\s*\S*\s*(.*)$/;
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$model = $1;
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}
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$usb_CMD ||= $pdls;
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my $extra;
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if ($protocol eq "socket") {
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$uri = "socket://$ip:$port";
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$extra = "Port $port";
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} elsif ($protocol eq "lpd") {
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$uri = "lpd://$ip" . ($uriext ? "/$uriext" : "");
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$extra = ($uriext ? "Queue: $uriext" : "Default queue");
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} elsif ($protocol eq "ipp") {
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$uri = "ipp://$ip:$port" . ($uriext ? "/$uriext" : "");
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$extra = ($uriext ? "Queue: $uriext" : "Default queue");
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}
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if ($make && $model) {
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$make =~ s/Hewlett.?Packard/HP/i;
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$make =~ s/Lexmark.?International/Lexmark/i;
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$model =~ s/Hewlett.?Packard/HP/i;
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$model =~ s/Lexmark.?International/Lexmark/i;
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while ($model =~ s/^\s*$make\s*//i) {};
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$makemodel = "$make $model";
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} elsif ($usb_DES) {
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$makemodel = $usb_DES;
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} else {
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$makemodel = "Unknown";
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}
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$deviceid = ($usb_MFG ? "MFG:$usb_MFG;" : "") .
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($usb_MDL ? "MDL:$usb_MDL;" : "") .
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($usb_DES ? "DES:$usb_DES;" : "") .
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($usb_CMD ? "CMD:$usb_CMD;" : "");
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$deviceid .= "CLS:PRINTER;" if $deviceid;
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$output->{$ip}{$protocol}{$extra} =
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"network $uri \"$makemodel\" \"$makemodel $ip ($extra)\" \"$deviceid\"\n";
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($interface, $nettype, $ip, $host, $make, $model, $description, $cmd, $makemodel, $deviceid, $protocol, $port, $uriext, $uri) =
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("", "", "", "", "", "", "", "", "", "", "", "", "", "");
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}
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}
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}
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foreach my $ip (keys(%{$output})) {
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next if member($ip, @ipblacklist);
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if ($output->{$ip}{"socket"}) {
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foreach my $extra (keys(%{$output->{$ip}{"socket"}})) {
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if (keys(%{$output->{$ip}{"socket"}}) = 1) {
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$output->{$ip}{"socket"}{$extra} =~
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s/^(\s*\S*\s*\S*\s*\"[^\"]*\"\s*\"[^\"\(]*?)\s*\([^\)]*\)\s*(\"\s*.*)$/$1$2/;
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}
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print $output->{$ip}{"socket"}{$extra};
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}
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} elsif ($output->{$ip}{"lpd"}) {
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foreach my $extra (keys(%{$output->{$ip}{"lpd"}})) {
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if (keys(%{$output->{$ip}{"lpd"}}) = 1) {
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$output->{$ip}{"lpd"}{$extra} =~
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s/^(\s*\S*\s*\S*\s*\"[^\"]*\"\s*\"[^\"\(]*?)\s*\([^\)]*\)\s*(\"\s*.*)$/$1$2/;
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}
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print $output->{$ip}{"lpd"}{$extra};
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}
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} elsif ($output->{$ip}{"ipp"}) {
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foreach my $extra (keys(%{$output->{$ip}{"ipp"}})) {
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if (keys(%{$output->{$ip}{"ipp"}}) == 1) {
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$output->{$ip}{"ipp"}{$extra} =~
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s/^(\s*\S*\s*\S*\s*\"[^\"]*\"\s*\"[^\"]*?)\s*\([^\)]*\)\s*(\"\s*.*)$/$1$2/;
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}
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print $output->{$ip}{"ipp"}{$extra};
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}
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}
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}
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exit 0;
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# member( $a, @b ) returns 1 if $a is in @b, 0 otherwise.
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sub member { my $e = shift; foreach (@_) { $e eq $_ and return 1 } 0 };
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