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-rw-r--r--perl-install/printer/detect.pm306
1 files changed, 306 insertions, 0 deletions
diff --git a/perl-install/printer/detect.pm b/perl-install/printer/detect.pm
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+++ b/perl-install/printer/detect.pm
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+package printer::detect;
+
+use strict;
+use common;
+use detect_devices;
+use modules;
+
+sub local_detect {
+ modules::get_probeall("usb-interface") and eval { modules::load("printer") };
+ eval { modules::unload(qw(lp parport_pc parport_probe parport)) }; #- on kernel 2.4 parport has to be unloaded to probe again
+ eval { modules::load(qw(parport_pc lp parport_probe)) }; #- take care as not available on 2.4 kernel (silent error).
+ my $b = before_leaving { eval { modules::unload("parport_probe") } };
+ detect_devices::whatPrinter();
+}
+
+sub net_detect { whatNetPrinter(1, 0) }
+
+sub net_smb_detect { whatNetPrinter(0, 1) }
+
+sub detect {
+ local_detect(), net_detect(), net_smb_detect();
+}
+
+sub whatNetPrinter {
+ my ($network, $smb) = @_;
+
+ my ($i,@res);
+
+ # Which ports should be scanned?
+ my @portstoscan;
+ push @portstoscan, "139" if $smb;
+ push @portstoscan, "4010", "4020", "4030", "5503", "9100-9104" if $network;
+
+ 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 $hostlist = join (" ", @hostips);
+
+ # Scan network for printers, the timeout settings are there to avoid
+ # delays caused by machines blocking their ports with a firewall
+ local *F;
+ open F, ($::testing ? "" : "chroot $::prefix/ ") .
+ "/bin/sh -c \"export LC_ALL=C; nmap -r -P0 --host_timeout 400 --initial_rtt_timeout 200 -p $portlist $hostlist\" |"
+ or return @res;
+ my ($host, $ip, $port, $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, $ip) = ($1, $2);
+ $host = $ip if $host eq "";
+ $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);
+ foreach my $share (@shares) {
+ push @res, { port => "smb://$host/$share->{name}",
+ val => { CLASS => 'PRINTER',
+ MODEL => N("Unknown Model"),
+ MANUFACTURER => "",
+ DESCRIPTION => "$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 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
+ return () unless network_running();
+
+ # 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 and additionally "nmblookup" the
+ # networks (to find Windows servers which do not answer to ping)
+ foreach 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 | sort\" |"
+ or next;
+ local $_;
+ while (<F>) { chomp; push @addresses, $_ }
+ close F;
+ if (-x "/usr/bin/nmblookup") {
+ local *F;
+ open F, ($::testing ? "" : "chroot $::prefix/ ") .
+ "/bin/sh -c \"export LC_ALL=C; nmblookup -B $bcast \\* | cut -f 1 -d ' ' | egrep '^[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+' | uniq | sort\" |"
+ or next;
+ local $_;
+ while (<F>) {
+ chomp;
+ push @addresses, $_ if !(member($_,@addresses));
+ }
+ }
+ }
+
+ @addresses;
+}
+
+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 => $description });
+ }
+ }
+ close F;
+
+ return @shares;
+}
+
+sub getSNMPModel {
+ my ($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 => N("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.*)$/) {
+ $manufacturer = $1 if $manufacturer eq "";
+ $model = $2 if $model eq "";
+ }
+ # No description field? Make one out of manufacturer and model.
+ } elsif ($description eq "") {
+ $description = "$manufacturer $model";
+ }
+
+ # We couldn't determine a model
+ $model = N("Unknown Model") if $model eq "";
+
+ # 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 => $serialnumber
+ };
+}
+
+sub network_running {
+ # If the network is not running return 0, otherwise 1.
+ local *F;
+ open F, ($::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
+ ($line =~ /^(\S+)\s+/)) { # In this line starts an entry for a
+ # running network
+ close F;
+ return 1;
+ }
+ }
+ close F;
+ return 0;
+}
+
+sub parport_addr {
+ # auto-detect the parallel port addresses
+ my ($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;
+}
+
+1;
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