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Editing: lpadmin-lib.pl
# lpadmin-lib.pl # Functions for configuring and adding printers BEGIN { push(@INC, ".."); }; use WebminCore; &init_config(); do "$config{'print_style'}-lib.pl"; if ($config{'driver_style'}) { do "$config{'driver_style'}-driver.pl"; } else { do "webmin-driver.pl"; } %access = &get_module_acl(); $drivers_directory = "$module_config_directory/drivers"; # dev_name(file) sub dev_name { local($i); for($i=0; $i<@device_files; $i++) { if ($device_files[$i] eq $_[0]) { return $device_names[$i]; } } return $_[0]; } # has_ghostscript() # Does this system have ghostscript installed? sub has_ghostscript { return &has_command($config{'gs_path'}); } # has_smbclient() # Does this system have smbclient installed? sub has_smbclient { return &has_command($config{'smbclient_path'}); } # has_hpnp() # Does this system have hpnp installed? sub has_hpnp { return &has_command($config{'hpnp_path'}); } # create_webmin_driver(&printer, &driver) # lpadmin drivers are files in /etc/webmin/lpadmin/drivers. Each is a # dynamically generated shell script which calls GS sub create_webmin_driver { # check for non-driver if ($_[1]->{'mode'} == 0) { return undef; } elsif ($_[1]->{'mode'} == 2) { return $_[1]->{'program'}; } local($drv, $d, $gsdrv, $res, $perl); &lock_file($drivers_directory); mkdir($drivers_directory, 0755); &unlock_file($drivers_directory); $drv = "$drivers_directory/$_[0]->{'name'}"; # Find ghostscript driver if ($_[1]->{'mode'} == 3) { $gsdrv = 'uniprint'; } else { foreach $d (&list_webmin_drivers()) { if ($d->[1] eq $_[1]->{'type'}) { $gsdrv = $d->[0]; } } } # Create script to call GS &open_lock_tempfile(DRV, ">$drv"); &print_tempfile(DRV, "#!/bin/sh\n"); &print_tempfile(DRV, "# Name: $_[0]->{'name'}\n"); &print_tempfile(DRV, "# Type: ",$_[1]->{'upp'} ? 'uniprint' : $_[1]->{'type'},"\n"); &print_tempfile(DRV, "# DPI: ",$_[1]->{'upp'} ? $_[1]->{'upp'} : $_[1]->{'dpi'},"\n"); if ($gconfig{'ld_env'}) { &print_tempfile(DRV, "$gconfig{'ld_env'}=$gconfig{'ld_path'}\n"); } &print_tempfile(DRV, "PATH=$gconfig{'path'}\n"); if ($config{'gs_fontpath'}) { &print_tempfile(DRV, "GS_FONTPATH=$config{'gs_fontpath'}\n"); } if ($config{'gs_lib'}) { &print_tempfile(DRV, "GS_LIB=$config{'gs_lib'}\n"); } &print_tempfile(DRV, "export $gconfig{'ld_env'} PATH GS_FONTPATH GS_LIB\n"); $res = $_[1]->{'upp'} ? "\@$_[1]->{'upp'}.upp" : $_[1]->{'dpi'} ? "-r$_[1]->{'dpi'}" : ""; $perl = &get_perl_path(); if ($config{'iface_arg'}) { for($i=0; $i<$config{'iface_arg'}-1; $i++) { &print_tempfile(DRV, "shift\n"); } &print_tempfile(DRV, "cat \$* | $perl -e 'while(<STDIN>) { print if (!/^\\s*#####/); }' >/tmp/\$\$.gsin\n"); } else { &print_tempfile(DRV, "$perl -e 'while(<STDIN>) { print if (!/^\\s*#####/); }' >/tmp/\$\$.gsin\n"); } &print_tempfile(DRV, "$config{'gs_path'} -sOutputFile=/tmp/\$\$.gs -dSAFER -sDEVICE=$gsdrv $res -dNOPAUSE /tmp/\$\$.gsin </dev/null >/dev/null 2>&1\n"); &print_tempfile(DRV, "rm /tmp/\$\$.gsin\n"); &print_tempfile(DRV, "cat /tmp/\$\$.gs\n"); &print_tempfile(DRV, "rm /tmp/\$\$.gs\n"); &close_tempfile(DRV); if ($config{'iface_owner'}) { &system_logged("chown '$config{'iface_owner'}' '$drv' >/dev/null 2>&1"); } &system_logged("chmod '$config{'iface_perms'}' '$drv' >/dev/null 2>&1"); return $drv; } # create_webmin_windows_driver(&printer, &driver) # Create an interface program that can print to a remote windows printer # using some printer driver sub create_webmin_windows_driver { local($drv, $prog); &lock_file($drivers_directory); mkdir($drivers_directory, 0755); &unlock_file($drivers_directory); $drv = "$drivers_directory/$_[0]->{'name'}.smb"; # Create script to call smbclient &open_lock_tempfile(DRV, ">$drv"); &print_tempfile(DRV, "#!/bin/sh\n"); &print_tempfile(DRV, "# Name: $_[0]->{'name'}\n"); &print_tempfile(DRV, "# Server: $_[1]->{'server'}\n"); &print_tempfile(DRV, "# Share: $_[1]->{'share'}\n"); &print_tempfile(DRV, "# User: $_[1]->{'user'}\n"); &print_tempfile(DRV, "# Password: $_[1]->{'pass'}\n"); &print_tempfile(DRV, "# Workgroup: $_[1]->{'workgroup'}\n"); &print_tempfile(DRV, "# Program: $_[1]->{'program'}\n"); if ($gconfig{'ld_env'}) { &print_tempfile(DRV, "$gconfig{'ld_env'}=$gconfig{'ld_path'}\n"); } &print_tempfile(DRV, "PATH=$gconfig{'path'}\n"); &print_tempfile(DRV, "export $gconfig{'ld_env'} PATH\n"); if (!$_[1]->{'program'}) { if ($config{'iface_arg'}) { for($i=0; $i<$config{'iface_arg'}-1; $i++) { &print_tempfile(DRV, "shift\n"); } &print_tempfile(DRV, "cat \$* >/tmp/\$\$.smb\n"); } else { &print_tempfile(DRV, "cat >/tmp/\$\$.smb\n"); } } else { &print_tempfile(DRV, "$_[1]->{'program'} \"\$1\" \"\$2\" \"\$3\" \"\$4\" ", "\"\$5\" \"\$6\" \"\$7\" \"\$8\" \"\$9\" ", "\"\$10\" \"\$11\" \"\$12\" \"\$13\" >/tmp/\$\$.smb\n"); &system_logged("chmod a+rx '$_[1]->{'program'}'"); } &print_tempfile(DRV, "$config{'smbclient_path'} '//$_[1]->{'server'}/$_[1]->{'share'}' ", $_[1]->{'pass'} ? $_[1]->{'pass'} : "-N", $_[1]->{'user'} ? " -U $_[1]->{'user'}" : "", $_[1]->{'workgroup'} ? " -W $_[1]->{'workgroup'}" : "", " -c \"print /tmp/\$\$.smb\"\n"); &print_tempfile(DRV, "rm /tmp/\$\$.smb\n"); &close_tempfile(DRV); if ($config{'iface_owner'}) { &system_logged("chown '$config{'iface_owner'}' '$drv' >/dev/null 2>&1"); } &system_logged("chmod '$config{'iface_perms'}' '$drv' >/dev/null 2>&1"); return $drv; } # create_hpnp_driver(&printer, &driver) # Create an interface program that can print to a hpnp server using some # interface program sub create_hpnp_driver { local($drv, $prog); &lock_file($drivers_directory); mkdir($drivers_directory, 0755); &unlock_file($drivers_directory); $drv = "$drivers_directory/$_[0]->{'name'}.hpnp"; # Create script to call hpnp &open_lock_tempfile(DRV, ">$drv"); &print_tempfile(DRV, "#!/bin/sh\n"); &print_tempfile(DRV, "# Name: $_[0]->{'name'}\n"); &print_tempfile(DRV, "# Server: $_[1]->{'server'}\n"); &print_tempfile(DRV, "# Port: $_[1]->{'port'}\n"); &print_tempfile(DRV, "# Program: $_[1]->{'program'}\n"); if ($gconfig{'ld_env'}) { &print_tempfile(DRV, "$gconfig{'ld_env'}=$gconfig{'ld_path'}\n"); } &print_tempfile(DRV, "PATH=$gconfig{'path'}\n"); &print_tempfile(DRV, "export $gconfig{'ld_env'} PATH\n"); if (!$_[1]->{'program'}) { if ($config{'iface_arg'}) { for($i=0; $i<$config{'iface_arg'}-1; $i++) { &print_tempfile(DRV, "shift\n"); } &print_tempfile(DRV, "cat \$* >/tmp/\$\$.hpnp\n"); } else { &print_tempfile(DRV, "cat >/tmp/\$\$.hpnp\n"); } } else { &print_tempfile(DRV, "$_[1]->{'program'} \"\$1\" \"\$2\" \"\$3\" \"\$4\" ", "\"\$5\" \"\$6\" \"\$7\" \"\$8\" \"\$9\" ", "\"\$10\" \"\$11\" \"\$12\" \"\$13\" >/tmp/\$\$.hpnp\n"); &system_logged("chmod a+rx '$_[1]->{'program'}'"); } &print_tempfile(DRV, "$config{'hpnp_path'} -x $_[1]->{'server'}", $_[1]->{'port'} ? " -p $_[1]->{'port'}" : "", " /tmp/\$\$.hpnp\n"); &print_tempfile(DRV, "rm /tmp/\$\$.hpnp\n"); &close_tempfile(DRV); if ($config{'iface_owner'}) { &system_logged("chown $config{'iface_owner'} $drv >/dev/null 2>&1"); } &system_logged("chmod '$config{'iface_perms'}' '$drv' >/dev/null 2>&1"); &unlock_file($drv); return $drv; } # is_webmin_driver(path) # Returns a structure of driver information sub is_webmin_driver { local($l, $i, $u, $desc); if (!$_[0]) { return { 'mode' => 0, 'desc' => 'None' }; } if (&has_ghostscript()) { open(DRV, "<".$_[0]); for($i=0; $i<4; $i++) { $l .= <DRV>; } close(DRV); if ($l =~ /# Name: (.*)\n# Type: (.*)\n# DPI: (.*)\n/) { if ($2 eq 'uniprint') { local $upp = $3; foreach $u (&list_uniprint()) { $desc = $u->[1] if ($u->[0] eq $upp); } $desc =~ s/,.*$//; return { 'mode' => 3, 'upp' => $upp, 'desc' => $desc ? $desc : $upp }; } else { return { 'type' => $2, 'dpi' => $3, 'mode' => 1, 'desc' => $3 ? "$2 ($3 DPI)" : $2 }; } } } return { 'desc' => $_[0], 'prog' => $_[0], 'mode' => 2 }; } # is_webmin_windows_driver(path) # Returns a structure containing information about a windows driver, or undef # Returns the server, share, username, password, workgroup, program # if path is a webmin windows driver sub is_webmin_windows_driver { local($i, $l); if (!&has_smbclient()) { return undef; } open(DRV, "<".$_[0]); for($i=0; $i<8; $i++) { $l .= <DRV>; } close(DRV); if ($l =~ /# Name: (.*)\n# Server: (.*)\n# Share: (.*)\n# User: (.*)\n# Password: (.*)\n# Workgroup: (.*)\n# Program: (.*)\n/) { return { 'server' => $2, 'share' => $3, 'user' => $4, 'pass' => $5, 'workgroup' => $6, 'program' => $7 }; } elsif ($l =~ /# Name: (.*)\n# Server: (.*)\n# Share: (.*)\n# User: (.*)\n# Password: (.*)\n# Program: (.*)\n/) { return { 'server' => $2, 'share' => $3, 'user' => $4, 'pass' => $5, 'program' => $7 }; } else { return undef; } } # delete_webmin_driver(name) # Delete the drivers for some printer sub delete_webmin_driver { &lock_file("$drivers_directory/$_[0]"); &lock_file("$drivers_directory/$_[0].smb"); &lock_file("$drivers_directory/$_[0].hpnp"); unlink("$drivers_directory/$_[0]"); unlink("$drivers_directory/$_[0].smb"); unlink("$drivers_directory/$_[0].hpnp"); &unlock_file("$drivers_directory/$_[0]"); &unlock_file("$drivers_directory/$_[0].smb"); &unlock_file("$drivers_directory/$_[0].hpnp"); } # is_hpnp_driver(path, &printer) # Returns a structure of hpnp details if path is a webmin hpnp driver sub is_hpnp_driver { local($i, $l); if (!&has_hpnp()) { return undef; } open(DRV, "<".$_[0]); for($i=0; $i<5; $i++) { $l .= <DRV>; } close(DRV); if ($l =~ /# Name: (.*)\n# Server: (.*)\n# Port: (.*)\n# Program: (.*)\n/) { return { 'server' => $2, 'port' => $3, 'program' => $4 }; } else { return undef; } } # webmin_driver_input(&printer, &driver) sub webmin_driver_input { local ($prn, $drv) = @_; printf "<tr> <td><input type=radio name=drv value=0 %s> %s</td>\n", $drv->{'mode'} == 0 ? "checked" : "", $text{'webmin_none'}; print "<td>($text{'webmin_nonemsg'})</td> </tr>\n"; printf "<tr> <td><input type=radio name=drv value=2 %s> %s</td>\n", $drv->{'mode'} == 2 ? "checked" : "", $text{'webmin_prog'}; printf "<td><input name=iface value=\"%s\" size=35></td> </tr>\n", $drv->{'mode'} == 2 ? $drv->{'prog'} : ""; if (&has_ghostscript()) { local $out = &backquote_command("$config{'gs_path'} -help 2>&1", 1); if ($out =~ /Available devices:\n((\s+.*\n)+)/i) { print "<tr> <td valign=top>\n"; printf "<input type=radio name=drv value=1 %s>\n", $drv->{'mode'} == 1 ? "checked" : ""; print "$text{'webmin_driver'}</td> <td valign=top>"; foreach $d (split(/\s+/, $1)) { $drvsupp{$d}++; } print "<select name=driver size=7>\n"; foreach $d (&list_webmin_drivers()) { if ($drvsupp{$d->[0]}) { printf "<option value='%s' %s>%s (%s)</option>\n", $d->[1], $d->[1] eq $drv->{'type'} ? "selected" : "", $d->[1], $d->[0]; } } print "</select> "; print "<select name=dpi size=7>\n"; printf "<option value=\"\" %s>Default</option>\n", $drv->{'dpi'} ? "" : "selected"; foreach $d (75, 100, 150, 200, 300, 600, 720, 1440) { printf "<option value=\"$d\" %s>$d DPI</option>\n", $drv->{'dpi'} == $d ? "selected" : ""; } print "</select></td> </tr>\n"; if ($drvsupp{'uniprint'}) { print "<tr> <td valign=top>\n"; printf "<input type=radio name=drv value=3 %s>\n", $drv->{'mode'} == 3 ? "checked" : ""; print "$text{'webmin_uniprint'}</td> <td valign=top>"; print "<select name=uniprint size=5>\n"; foreach $u (&list_uniprint()) { printf "<option value=%s %s>%s</option>\n", $u->[0], $u->[0] eq $drv->{'upp'} ? 'selected' : '', $u->[1]; } print "</select></td> </tr>\n"; } } else { print "<tr> <td colspan=2>", &text('webmin_edrivers', "<tt>$config{'gs_path'}</tt>"), "</td> </tr>\n"; } } elsif ($config{'gs_path'}) { print "<tr> <td colspan=2>", &text('webmin_egs', "<tt>$config{'gs_path'}</tt>"), "</td> </tr>\n"; } return undef; } # parse_webmin_driver() # Parse driver selection from %in and return a driver structure sub parse_webmin_driver { if ($in{'drv'} == 0) { return { 'mode' => 0 }; } elsif ($in{'drv'} == 2) { my @iface = split(/\s+/, $in{'iface'}); -x $iface[0] || &error(&text('webmin_edriver', $iface[0])); return { 'mode' => 2, 'program' => $in{'iface'} }; } elsif ($in{'drv'} == 1) { return { 'mode' => 1, 'type' => $in{'driver'}, 'dpi' => $in{'dpi'} }; } elsif ($in{'drv'} == 3) { return { 'mode' => 3, 'upp' => $in{'uniprint'} }; } } # list_webmin_drivers() sub list_webmin_drivers { local(@rv, $_); open(DRIVERS, "<$module_root_directory/drivers"); while(<DRIVERS>) { /^(\S+)\s+(.*)/; push(@rv, [ $1, $2 ]); } close(DRIVERS); return @rv; } # can_edit_printer(printer) sub can_edit_printer { foreach $p (split(/\s+/, $access{'printers'})) { return 1 if ($p eq '*' || $p eq $_[0]); } return 0; } # can_edit_jobs(printer, user) sub can_edit_jobs { local $rv = 0; if ($access{'cancel'} == 1) { $rv = 1; } elsif ($access{'cancel'} == 0) { $rv = 0; } else { foreach $p (split(/\s+/, $access{'jobs'})) { $rv = 1 if ($p eq $_[0]); } } if ($rv) { if ($access{'user'} eq '*') { return 1; } elsif ($access{'user'} eq $_[1]) { return 1; } elsif (!$access{'user'} && $remote_user eq $_[1]) { return 1; } } return 0; } # list_uniprint() # Returns a list of uniprint drivers support by the installed ghostscript sub list_uniprint { local (@rv, $f, $d); local $out = &backquote_command("$config{'gs_path'} -help 2>&1", 1); if ($out =~ /Search path:\n((\s+.*\n)+)/i) { foreach $d (split(/\s+/, $1)) { next if ($d !~ /^\//); opendir(DIR, $d); while($f = readdir(DIR)) { next if ($f !~ /^(.*)\.upp$/); local $upp = $1; open(UPP, "<$d/$f"); local $line = <UPP>; close(UPP); next if ($line !~ /upModel="(.*)"/i); push(@rv, [ $upp, $1 ]); } closedir(DIR); } } return sort { $a->[0] cmp $b->[0] } @rv; } sub log_info { local ($drv, $wdrv, $hdrv); if (!$webmin_windows_driver) { $wdrv = &is_webmin_windows_driver($_[0]->{'iface'}, $_[0]); } $wdrv = &is_windows_driver($_[0]->{'iface'}, $_[0]) if (!$wdrv); $hdrv = &is_hpnp_driver($_[0]->{'iface'}, $_[0]); local $iface = $wdrv ? $wdrv->{'program'} : $hdrv ? $hdrv->{'program'} : $_[0]->{'iface'}; if (!$webmin_print_driver) { $drv = &is_webmin_driver($iface, $_[0]); } $drv = &is_driver($iface, $_[0]) if ($drv->{'mode'} == 0 || $drv->{'mode'} == 2); $drv->{'desc'} =~ s/\([^\)]+\)$//; return { 'driver' => $drv->{'desc'}, 'mode' => $drv->{'mode'}, 'dest' => $wdrv ? "\\\\$wdrv->{'server'}\\$wdrv->{'share'}" : $hdrv ? "HPNP $hdrv->{'server'}:$hdrv->{'port'}" : $_[0]->{'rhost'} ? "$_[0]->{'rhost'}:$_[0]->{'rqueue'}" : $_[0]->{'dhost'} ? "$_[0]->{'dhost'}:$_[0]->{'dport'}" : &dev_name($_[0]->{'dev'}) }; } # parse_cups_ppd(file) # Converts a CUPS-style .ppd file into a hash of names and values sub parse_cups_ppd { local ($file) = @_; local %ppd; if ($file =~ /\.gz$/) { open(PPD, "gunzip -c ".quotemeta($file)." |"); } else { open(PPD, "<".$file); } while(<PPD>) { if (/^\s*\*(\S+):\s*"(.*)"/ || /^\s*\*(\S+):\s*(\S+)/) { $ppd{$1} = $2; } elsif (/^\s*\*(\S+)\s+(\S+)\/([^:]+):/) { $ppd{$1}->{$2} = $3 if (!defined($ppd{$1}->{$2})); } } close(PPD); return \%ppd; } # list_cluster_servers() # Returns a list of servers on which printers are managed sub list_cluster_servers { &foreign_require("servers", "servers-lib.pl"); local %ids = map { $_, 1 } split(/\s+/, $config{'servers'}); return grep { $ids{$_->{'id'}} } &servers::list_servers(); } # add_cluster_server(&server) sub add_cluster_server { local @sids = split(/\s+/, $config{'servers'}); $config{'servers'} = join(" ", @sids, $_[0]->{'id'}); &save_module_config(); } # delete_cluster_server(&server) sub delete_cluster_server { local @sids = split(/\s+/, $config{'servers'}); $config{'servers'} = join(" ", grep { $_ != $_[0]->{'id'} } @sids); &save_module_config(); } # server_name(&server) sub server_name { return $_[0]->{'desc'} ? $_[0]->{'desc'} : $_[0]->{'host'}; } # save_printer_cluster(new, &printer, &driver, &connection, webmin-driver, mode) # Creates or updates the specified printer on all cluster hosts, and returns a # list of error messages sub save_on_cluster { return ( ) if (!$config{'servers'}); return ( ) if (&is_readonly_mode()); local ($new, $prn, $drv, $conn, $webmin, $mode) = @_; &remote_error_setup(\&slave_error_handler); local $slave; local @slaveerrs; foreach $slave (&list_cluster_servers()) { # Connect to server $slave_error = undef; &remote_foreign_require($slave, "lpadmin", "lpadmin-lib.pl"); if ($slave_error) { push(@slaveerrs, [ $slave, $slave_error ]); next; } # Create the driver and the printer local $err = &remote_foreign_call($slave, "lpadmin", "save_printer_and_driver", $new, $prn, $drv, $conn, $webmin, $mode); if ($slave_error) { push(@slaveerrs, [ $slave, $slave_error ]); } elsif ($err == 1) { push(@slaveerrs, [ $slave, &text('save_edup', $prn->{'name'}) ]); } elsif ($err == 2) { push(@slaveerrs, [ $slave, $text{'save_evalid'} ]); } elsif ($err == 3) { push(@slaveerrs, [ $slave, &text('save_egone', $prn->{'name'}) ]); } } return @slaveerrs; } # delete_on_cluster(&printer) # Deletes the specified printer on all cluster hosts, and returns a list of # error messages. sub delete_on_cluster { return ( ) if (!$config{'servers'}); return ( ) if (&is_readonly_mode()); local ($prn) = @_; &remote_error_setup(\&slave_error_handler); local $slave; local @slaveerrs; foreach $slave (&list_cluster_servers()) { # Connect to server $slave_error = undef; &remote_foreign_require($slave, "lpadmin", "lpadmin-lib.pl"); if ($slave_error) { push(@slaveerrs, [ $slave, $slave_error ]); next; } # Call the delete function local $err = &remote_foreign_call($slave, "lpadmin", "delete_printer_and_driver", $prn); if ($slave_error) { push(@slaveerrs, [ $slave, $slave_error ]); } elsif ($err == 3) { push(@slaveerrs, [ $slave, &text('save_egone', $prn->{'name'}) ]); } } return @slaveerrs; } # save_printer_and_driver(new, &printer, &driver, &connection, webmin-driver, mode) # Attempts to setup or modify a printer and driver. Returns 0 if OK, 1 if the # printer already exists, 2 if some print system error occurred, or 3 if it # doesn't exist but should. sub save_printer_and_driver { local ($new, $prn, $drv, $conn, $webmin, $mode) = @_; if ($new && &get_printer($prn->{'name'})) { return 1; } elsif (!$new && !&get_printer($prn->{'name'})) { return 2; } local $dfunc = $webmin ? \&create_webmin_driver : \&create_driver; if ($mode <= 2 || $mode == 5) { # Device, file or LPR host $prn->{'iface'} = &$dfunc($prn, $drv); } elsif ($mode == 3) { # Windows server $prn->{'dev'} = "/dev/null"; $prn->{'iface'} = $webmin ? &create_webmin_windows_driver($prn, $conn) : &create_windows_driver($prn, $conn); } elsif ($mode == 4) { # HPNP server $prn->{'dev'} = "/dev/null"; $prn->{'iface'} = &create_hpnp_driver($prn, $conn); } # Call os-specific validation function if (defined(&validate_printer)) { local $err = &validate_printer($prn); return 2 if ($err); } # Actually create or update it if ($new) { &create_printer($prn); } else { &modify_printer($prn); } &system_logged("$config{'apply_cmd'} >/dev/null 2>&1 </dev/null") if ($config{'apply_cmd'}); return 0; } # delete_printer_and_driver(&printer) # Deletes a printer, returning 1 if it could not be found, or 0 if everything # went OK. sub delete_printer_and_driver { local ($prn) = @_; &delete_printer($prn->{'name'}); &delete_driver($prn->{'name'}); &delete_webmin_driver($prn->{'name'}); } sub slave_error_handler { $slave_error = $_[0]; } # delete_from_acls(name) # Remove some named printer from all ACLs sub delete_from_acls { local ($name) = @_; local $wusers; &read_acl(undef, \%wusers); foreach my $u (keys %wusers) { my %uaccess = &get_module_acl($u); if ($uaccess{'printers'} ne '*') { $uaccess{'printers'} = join(' ', grep { $_ ne $name } split(/\s+/, $uaccess{'printers'})); &save_module_acl(\%uaccess, $u); } } } 1;
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