2 # Functions for CUPS printer management
4 $lpstat = &has_command("lpstat.cups") ? "lpstat.cups" : "lpstat";
5 $lpadmin = &has_command("lpadmin.cups") ? "lpadmin.cups" : "lpadmin";
6 $lpr = &has_command("lpr.cups") ? "lpr.cups" : "lpr";
7 $lprm = &has_command("lprm.cups") ? "lprm.cups" : "lprm";
8 $lpq = &has_command("lpq.cups") ? "lpq.cups" : "lpq";
11 # Returns an array of known printer names
14 return () if (!&sched_running());
16 open(STAT, "$lpstat -v |");
18 if (/\s+for\s+(\S+):/i) { push(@rv, $1); }
24 # get_printer(name, [nostatus])
25 # Returns a reference to an associative array of printer details
28 local($stat, @rv, $body, $avl, $con, $sys, %prn, $_, $out);
29 local $esc = quotemeta($_[0]);
30 $out = &backquote_command("$lpstat -l -p $esc", 1);
31 return undef if ($out =~ /non-existent\s+printer/);
32 if ($out =~ /^printer\s+(\S+)\s+(\S+).*\n([\000-\377]*)$/) {
35 $prn{'enabled'} = $2 ne "disabled";
42 if (!$prn{'enabled'} && $body =~ /^\s+(.*)/) {
43 $prn{'enabled_why'} = lc($1) eq "paused" || lc($1) eq "reason unknown" ?
46 if ($body =~ /Description: (.*)/) { $prn{'desc'} = $1; }
47 if ($body =~ /Printer types: (.*)/) { $prn{'ptype'} = $1; }
48 if ($body =~ /Interface: (.*)/) { $prn{'iface'} = $1; }
49 if ($body =~ /Banner not required/) { $prn{'banner'} = 0; }
50 else { $prn{'banner'} = 1; }
53 # request availability
54 $avl = &backquote_command("$lpstat -a $prn{'name'} 2>&1", 1);
55 if ($avl =~ /^\S+\s+not accepting.*\n\s*(.*)/) {
56 $prn{'accepting'} = 0;
57 $prn{'accepting_why'} = lc($1) eq "reason unknown" ? "" : $1;
59 else { $prn{'accepting'} = 1; }
62 # Try to find the device URI, from printers.conf or lpstat -v
64 foreach my $file ("/etc/printers.conf", "/etc/cups/printers.conf") {
66 local $lref = &read_file_lines($file);
69 if ($l =~ /^\s*<(Default)?Printer\s+(\S+)>/) {
70 # Start of a new printer
73 elsif ($l =~ /^\s*DeviceURI\s+(.*)/ &&
74 $inprinter eq $prn{'name'}) {
80 $con = &backquote_command("$lpstat -v $prn{'name'} 2>&1", 1);
81 if ($con =~ /^device for \S+:\s+(\S+)/) {
87 if ($uri =~ /^(lpd|ipp):\/\/([^\s\/]+)\/(\S+)/) {
91 $prn{'rtype'} = 'ipp';
92 $prn{'rhost'} =~ s/:631//;
95 $prn{'rhost'} =~ s/:515//;
98 elsif ($uri =~ /^socket:\/\/(\S+):(\d+)/) {
102 elsif ($uri =~ /^(file|serial|parallel|usb):([^\s\?]+)/) {
109 # Check if this is the default printer
110 if (&backquote_command("$lpstat -d 2>&1", 1) =~ /destination:\s+(\S+)/ &&
111 $1 eq $prn{'name'}) {
121 local (@jobs, $htype);
122 local $esc = quotemeta($_[0]);
123 open(LPQ, "$lpq -P$esc |");
126 next if (/^Rank/i || /^$_[0]/);
127 if (/^(\S+)\s+(\S+)\s+(\d+)\s+(.*\S)\s+(\d+)\s+(\S.*)$/ ||
128 /^(\S+)\s+(\S{1,8}?)\s*(\d+)\s+(.*\S)\s+(\d+)\s+(\S.*)$/) {
130 local(%job, $f, @pq);
135 $job{'printing'} = ($1 eq "active");
136 local $d = $config{'spool_dir'};
138 while($f = readdir(DIR)) {
139 if ($f =~ /^d(\d+)\-(\d+)$/ && $1 == $job{'id'}) {
141 local @st = stat("$d/$f");
143 $job{'time'} ||= $st[9];
148 $job{'printfile'} = @pq ? \@pq : undef;
150 $job{'when'} = &make_date($job{'time'});
159 # printer_support(option)
162 return $_[0] !~ /^(msize|alias|rnoqueue|ctype|sysv|allow)$/;
166 # Returns an associative array of print classes
170 $stat = &backquote_command("$lpstat -c 2>&1", 1);
171 while($stat =~ /^members of class (\S+):\n((\s+\S+\n)+)([\000-\377]*)$/) {
173 $rv{$1} = [ grep { $_ ne "" } split(/\s+/, $2) ];
178 # create_printer(&details)
179 # Create a new printer
182 &modify_printer($_[0]);
185 # modify_printer(&details)
186 # Change an existing printer
189 local(%prn, $cmd, $out);
193 local $esc = quotemeta($prn{'name'});
194 local $desc = quotemeta($prn{'desc'}) || "''";
195 $cmd = "$lpadmin -p $esc -D $desc";
196 local $vesc = quotemeta($prn{'dev'});
197 if ($prn{'dev'} =~ /\/dev\/tty/) {
198 $cmd .= " -v serial:$vesc";
200 elsif ($prn{'dev'} =~ /\/dev\/lp/) {
201 $cmd .= " -v parallel:$vesc";
203 elsif ($prn{'dev'} =~ /\/dev\/usb/) {
204 $cmd .= " -v usb:$vesc";
206 elsif ($prn{'dev'}) {
209 elsif ($prn{'rhost'}) {
210 local $resc = quotemeta($prn{'rhost'});
211 local $qesc = quotemeta($prn{'rqueue'});
212 if ($prn{'rtype'} eq 'ipp') {
213 $cmd .= " -v ipp://$resc/$qesc";
216 $cmd .= " -v lpd://$resc/$qesc";
220 local $resc = quotemeta($prn{'dhost'});
221 local $pesc = quotemeta($prn{'dport'});
222 $cmd .= " -v socket://$resc:$pesc";
225 local $iesc = quotemeta($prn{'iface'});
228 foreach $o (keys %$cups_driver_options) {
229 $cmd .= " -o ".quotemeta($o)."=".quotemeta($cups_driver_options->{$o});
231 $out = &backquote_logged("cd / ; $cmd 2>&1");
232 if ($?) { &error("$lpadmin failed : <pre>$out</pre>"); }
235 if ($prn{'default'}) {
236 $out = &backquote_logged("cd / ; $lpadmin -d $esc 2>&1");
237 if ($?) { &error("Failed to set default : <pre>$out</pre>"); }
241 local $enable = &has_command("cupsenable") || &has_command("enable");
242 local $disable = &has_command("cupsdisable") || &has_command("disable");
243 if ($prn{'enabled'}) { $cmd = "$enable $esc"; }
244 elsif ($prn{'enabled_why'}) {
245 local $wesc = quotemeta($prn{'enabled_why'});
246 $cmd = "$enable $esc ; $disable -r $wesc $esc";
248 else { $cmd = "$enable $esc ; $disable $esc"; }
249 $out = &backquote_logged("$cmd 2>&1");
251 # accepting or rejecting requests
252 if ($prn{'accepting'}) { $cmd = "accept $esc"; }
253 elsif ($prn{'accepting_why'}) {
254 local $wesc = quotemeta($prn{'accepting_why'});
255 $cmd = "accept $esc ; reject -r $wesc $esc";
257 else { $cmd = "accept $esc ; reject $esc"; }
258 $out = &backquote_logged("$cmd 2>&1");
261 # delete_printer(name)
262 # Deletes some existing printer
266 local $esc = quotemeta($_[0]);
267 $out = &backquote_logged("$lpadmin -x $esc 2>&1");
268 if ($?) { &error("$lpadmin failed : <pre>$out</pre>"); }
271 # cancel_job(printer, id)
272 # Cancels some print job
276 local $esc = quotemeta($_[0]);
277 local $iesc = quotemeta($_[1]);
278 $out = &backquote_logged("$lprm -P$esc $iesc 2>&1");
279 if ($?) { &error("$lprm failed : <pre>$out</pre>"); }
284 # Returns the pid if lpsched is running, 0 if not, -1 if cannot be stopped
287 @pid = &find_byname("cups");
288 if (@pid) { return $pid[0]; }
296 local $out = &backquote_logged("cupsd 2>&1");
297 if ($?) { &error("failed to start cups : <tt>$out</tt>"); }
302 # Stop the running lpsched process
305 local @pid = ( &find_byname("cupsd") );
306 &kill_logged('TERM', @pid) || &error("Failed to stop cups : $!");
309 # print_command(printer, file)
310 # Returns the command to print some file on some printer
313 local $esc = quotemeta($_[0]);
314 local $fesc = quotemeta($_[1]);
315 return "$lpr -P$esc $fesc";
318 # check_print_system()
319 # Returns an error message if CUPS is not installed
320 sub check_print_system
322 &has_command($lpstat) || return &text('cups_ecmd', "<tt>$lpstat</tt>");
323 &has_command($lpadmin) || return &text('cups_ecmd', "<tt>$lpadmin</tt>");
328 @device_files = ("/dev/lp0", "/dev/lp1", "/dev/lp2", "/dev/lp3",
329 "/dev/ttyS0", "/dev/ttyS1", "/dev/null");
332 @device_files = ("/dev/lp1", "/dev/lp2", "/dev/lp2", "/dev/lp3",
333 "/dev/ttyS0", "/dev/ttyS1", "/dev/null");
335 if (-r "/dev/usblp0") {
336 push(@device_files, "/dev/usblp0", "/dev/usblp1",
337 "/dev/usblp2", "/dev/usblp3");
339 elsif (-r "/dev/usb/lp0") {
340 push(@device_files, "/dev/usb/lp0", "/dev/usb/lp1",
341 "/dev/usb/lp2", "/dev/usb/lp3");
343 @device_names = (&text('linux_paralel', "1"), &text('linux_paralel', "2"),
344 &text('linux_paralel', "3"), &text('linux_paralel', "4"),
345 &text('linux_serial', "1"), &text('linux_serial', "2"),
346 $text{'linux_null'}, &text('linux_usb', 1),
347 &text('linux_usb', 2), &text('linux_usb', 3),
348 &text('linux_usb', 4));