Module: Yast::PrinterSharingInclude
- Defined in:
- ../../src/include/printer/sharing.rb
Instance Method Summary (collapse)
- - (Object) ApplySharingSettings
- - (Object) handleSharing(key, event)
- - (Object) initialize_printer_sharing(include_target)
- - (Object) initSharing(key)
- - (Object) showInterfacePopup(interface_name, is_published)
- - (Object) ShowSharePrintersFirewallPopup
Instance Method Details
- (Object) ApplySharingSettings
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# File '../../src/include/printer/sharing.rb', line 270 def ApplySharingSettings @sharing_has_changed = false # Get the actual settings and values from the dialog. # It does not work well to query the RadioButtonGroup with something like # UI::QueryWidget(`deny_or_allow_remote_access,`CurrentButton)) # Reason: At least with openSUSE 11.0 and Qt # it is possible to un-check all buttons in a RadioButtonGroup # by clicking on the currently checked button which un-checks it # so that there might be no CurrentButton which leads to unexpected results. # Therefore the individual buttons are tested directly to be on the safe side: deny_remote_access = Convert.to_boolean( UI.QueryWidget(:deny_remote_access_radio_button, :Value) ) Builtins.y2milestone( "deny_remote_access_radio_button value: '%1'", deny_remote_access ) allow_remote_access = Convert.to_boolean( UI.QueryWidget(:allow_remote_access_radio_button, :Value) ) Builtins.y2milestone( "allow_remote_access_radio_button value: '%1'", allow_remote_access ) allow_local_network_access = Convert.to_boolean( UI.QueryWidget(:allow_local_network_access_check_box, :Value) ) Builtins.y2milestone( "allow_local_network_access_check_box value: '%1'", allow_local_network_access ) publish_to_local_network = Convert.to_boolean( UI.QueryWidget(:publish_to_local_network_check_box, :Value) ) Builtins.y2milestone( "publish_to_local_network_check_box value: '%1'", publish_to_local_network ) @interface_table_items = Convert.convert( UI.QueryWidget(:interface_table, :Items), :from => "any", :to => "list <term>" ) Builtins.y2milestone( "interface_table_items: '%1'", @interface_table_items ) current_allow_input_value = Convert.to_string( UI.QueryWidget(Id(:allow_input), :Value) ) Builtins.y2milestone( "current_allow_input_value: '%1'", current_allow_input_value ) current_browse_address_input_value = Convert.to_string( UI.QueryWidget(Id(:browse_address_input), :Value) ) Builtins.y2milestone( "current_browse_address_input_value: '%1'", current_browse_address_input_value ) allow_values = current_allow_input_value browse_address_values = current_browse_address_input_value Builtins.foreach(@interface_table_items) do |interface_table_item| interface_name = Ops.get_string(interface_table_item, 1, "") is_published = Ops.get_string(interface_table_item, 2, "") if "" != interface_name allow_values = Ops.add( Ops.add(Ops.add("@IF(", interface_name), ") "), allow_values ) # Add the inferface nameto browse_address_values # only if remote access is allowed for this interface: if "yes" == is_published browse_address_values = Ops.add( Ops.add(Ops.add("@IF(", interface_name), ") "), browse_address_values ) end end end if allow_local_network_access allow_values = Ops.add("@LOCAL ", allow_values) # Add "@LOCAL" to browse_address_values # only if remote access is allowed for "@LOCAL": if publish_to_local_network browse_address_values = Ops.add("@LOCAL ", browse_address_values) end end Builtins.y2milestone("allow_values: %1", allow_values) Builtins.y2milestone("browse_address_values: %1", browse_address_values) # Any kind of deny_remote_access: # Ignore if other settings may have been changed too # because whatever Allow and BrowseAddress stuff is meaningless # if remote access is denied at all: # When both the deny_remote_access_radio_button and the allow_remote_access_radio_button # are un-checked, assume the user wants deny_remote_access (via '! allow_remote_access') # because this is the safe setting (even when allow_values is not empty): if deny_remote_access || !allow_remote_access || "" == Builtins.filterchars( allow_values, Ops.add(Printer.alnum_chars, "*") ) || Builtins.contains( Builtins.splitstring( Builtins.tolower(current_allow_input_value), " " ), "none" ) return true if @initial_deny_remote_access @sharing_has_changed = true # It leads to inconsistencies if only Only set 'Listen localhost' would be set # but Allow and BrowseAddress enties would be kept because when there are # BrowseAddress enties, it must listen on matching remote interfaces # and then also matching Allow enties should be there. if !Printerlib.ExecuteBashCommand( Ops.add( Printerlib.yast_bin_dir, "modify_cupsd_conf Listen localhost" ) ) Popup.ErrorDetails( # Do not change or translate "Listen localhost", it is a system settings name. _("Failed to set only 'Listen localhost' in /etc/cups/cupsd.conf."), Ops.get_string(Printerlib.result, "stderr", "") ) return false end if !Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf Allow none") ) Popup.ErrorDetails( # Do not change or translate "Allow", it is a system settings name. _("Failed to remove 'Allow' entries from /etc/cups/cupsd.conf."), Ops.get_string(Printerlib.result, "stderr", "") ) return false end # Do not change the global "Browsing On/Off" entry in cupsd.conf # because "Browsing Off" disables also receiving # of remote queue information from remote CUPS servers # which might be needed by the "Print Via Network" dialog. # Instead remove only the "BrowseAddress" entries in cupsd.conf: if !Printerlib.ExecuteBashCommand( Ops.add( Printerlib.yast_bin_dir, "modify_cupsd_conf BrowseAddress none" ) ) Popup.ErrorDetails( # Do not change or translate "BrowseAddress", it is a system settings name. _( "Failed to remove 'BrowseAddress' entries from /etc/cups/cupsd.conf." ), Ops.get_string(Printerlib.result, "stderr", "") ) return false end # If a local cupsd is accessible, restart it, # otherwise do nothing (i.e. do not start it now): if Printerlib.GetAndSetCupsdStatus("") return false if !Printerlib.GetAndSetCupsdStatus("restart") end return true end # Any kind of allow_remote_access: # Check if there are real changes: if allow_remote_access && @initial_deny_remote_access # and the user changed it to "allow remote access" # but nothing else changed, then sharing_has_changed is true # if there is at least one real allow value set. # The last condition is true here because when allow_values is empty, # it is a deny_remote_access case, see above. @sharing_has_changed = true end # Check if there are real changes regarding the "@LOCAL" settings: if allow_local_network_access != @initial_allow_local_network_access || publish_to_local_network != @initial_publish_to_local_network @sharing_has_changed = true end # Check if there are real changes in the table of interfaces. # Ignore ordering and ignore duplicates (toset) # but do not ignore case because network interface names are case sensitive: initial_interface_table_entries = [] Builtins.foreach(@initial_interface_table_items) do |initial_interface_table_item| initial_interface_table_entries = Builtins.add( initial_interface_table_entries, Ops.add( Ops.get_string(initial_interface_table_item, 1, ""), Ops.get_string(initial_interface_table_item, 2, "") ) ) end initial_interface_table_entries = Builtins.toset( initial_interface_table_entries ) interface_table_entries = [] Builtins.foreach(@interface_table_items) do |interface_table_item| interface_table_entries = Builtins.add( interface_table_entries, Ops.add( Ops.get_string(interface_table_item, 1, ""), Ops.get_string(interface_table_item, 2, "") ) ) end interface_table_entries = Builtins.toset(interface_table_entries) if Builtins.mergestring(interface_table_entries, "") != Builtins.mergestring(initial_interface_table_entries, "") @sharing_has_changed = true end # Check if there are real changes in the values in allow_input and in browse_address_input. # Do not ignore changes in the case (e.g. from 'host.domain.com' to 'Host.Domain.com') # because the user may like to have it exactly in cupsd.conf (even if actually case may not matter): initial_allow_input_set = Builtins.toset( Builtins.splitstring(@initial_allow_input_value, " ") ) current_allow_input_set = Builtins.toset( Builtins.splitstring(current_allow_input_value, " ") ) if Builtins.mergestring(current_allow_input_set, "") != Builtins.mergestring(initial_allow_input_set, "") @sharing_has_changed = true end initial_browse_address_input_set = Builtins.toset( Builtins.splitstring(@initial_browse_address_input_value, " ") ) current_browse_address_input_set = Builtins.toset( Builtins.splitstring(current_browse_address_input_value, " ") ) if Builtins.mergestring(current_browse_address_input_set, "") != Builtins.mergestring(initial_browse_address_input_set, "") @sharing_has_changed = true end # Exit if no real change was detected above to avoid useless changes of cupsd.conf # and subsequent useless restarts of the cupsd: return true if !@sharing_has_changed # When allow_values is empty, it is a deny_remote_access case, see above. # Therefore allow_values is non-empty here: if !Builtins.issubstring(Builtins.tolower(allow_values), "none") # test whether or not a firewall seems to be active and # if yes show a popup regarding firewall if it was not yet shown: if !@share_printers_firewall_popup_was_shown if ShowSharePrintersFirewallPopup() @share_printers_firewall_popup_was_shown = true end end end if !Printerlib.ExecuteBashCommand( Ops.add( Ops.add( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf Allow '"), allow_values ), "'" ) ) Popup.ErrorDetails( Builtins.sformat( # where %1 will be replaced by one or more system settings values. # Do not change or translate "Allow", it is a system settings name. _("Failed to set 'Allow' entries '%1' in /etc/cups/cupsd.conf."), allow_values ), # Popup::ErrorDetails message Ops.get_string(Printerlib.result, "stderr", "") ) return false end if "" != browse_address_values if !Printerlib.ExecuteBashCommand( Ops.add( Ops.add( Ops.add( Printerlib.yast_bin_dir, "modify_cupsd_conf BrowseAddress '" ), browse_address_values ), "'" ) ) Popup.ErrorDetails( Builtins.sformat( # where %1 will be replaced by one or more system settings values. # Do not change or translate "BrowseAddress", it is a system settings name. _( "Failed to set 'BrowseAddress' entries '%1' in /etc/cups/cupsd.conf." ), browse_address_values ), # Popup::ErrorDetails message Ops.get_string(Printerlib.result, "stderr", "") ) return false end # Having "BrowseAddress" entries requires "Browsing On", # otherwise browsing information would not be sent at all: if !Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf Browsing On") ) Popup.ErrorDetails( _("Failed to set 'Browsing On' in /etc/cups/cupsd.conf."), Ops.get_string(Printerlib.result, "stderr", "") ) return false end else # do not change the global "Browsing On/Off" entry in cupsd.conf # because "Browsing Off" disables also receiving # of remote queue information from remote CUPS servers # which might be needed by the "Print Via Network" dialog. # Instead remove only the "BrowseAddress" entries in cupsd.conf: if !Printerlib.ExecuteBashCommand( Ops.add( Printerlib.yast_bin_dir, "modify_cupsd_conf BrowseAddress none" ) ) Popup.ErrorDetails( # Do not change or translate "BrowseAddress", it is a system settings name. _( "Failed to remove 'BrowseAddress' entries from /etc/cups/cupsd.conf." ), Ops.get_string(Printerlib.result, "stderr", "") ) return false end end # Only if all the above was successfully set, Listen is set too: # Currently 'Listen *:631' is simply set for any kind of remote access # because the Listen directive supports only network addresses as value. # Neither 'Listen @LOCAL' nor 'Listen @IF(name)' is supported. # TODO: Determine the matching network address for @LOCAL and @IF(name) # and use the matching network address for the Listen directive. if !Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf Listen all") ) Popup.ErrorDetails( # Do not change or translate "Listen *:631", it is a system settings name. _("Failed to set 'Listen *:631' in /etc/cups/cupsd.conf."), Ops.get_string(Printerlib.result, "stderr", "") ) return false end # If a local cupsd is accessible, restart it, # otherwise do nothing (i.e. do not start it now): if Printerlib.GetAndSetCupsdStatus("") return false if !Printerlib.GetAndSetCupsdStatus("restart") end # Exit successfully by default and as fallback: true end |
- (Object) handleSharing(key, event)
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# File '../../src/include/printer/sharing.rb', line 988 def handleSharing(key, event) event = deep_copy(event) Builtins.y2milestone( "entering handleSharing with key '%1'\nand event '%2'", key, event ) if "ValueChanged" == Ops.get_string(event, "EventReason", "") case Ops.get_symbol(event, "WidgetID", :nil) when :allow_local_network_access_check_box if !Convert.to_boolean( UI.QueryWidget(:allow_local_network_access_check_box, :Value) ) # if the allow_local_network_access_check_box is set to false # because it makes no sense to publish to the local network # but not to allow access from the local network: UI.ChangeWidget( :publish_to_local_network_check_box, :Value, false ) end when :publish_to_local_network_check_box if Convert.to_boolean( UI.QueryWidget(:publish_to_local_network_check_box, :Value) ) # if the publish_to_local_network_check_box is set to true # because it makes no sense to publish to the local network # but not to allow access from the local network: UI.ChangeWidget( :allow_local_network_access_check_box, :Value, true ) end end end if "Activated" == Ops.get_string(event, "EventReason", "") if :abort == Ops.get(event, "ID") || :cancel == Ops.get(event, "ID") || :back == Ops.get(event, "ID") # There is only a "Cancel" functionality (via the "back" button) which goes back one step # and the button with the "abort" functionality is not shown at all (see dialogs.ycp). # Unfortunately when the YaST package installer is run via Printerlib::TestAndInstallPackage # it leaves a misused "abort" button labeled "Skip Autorefresh" with WidgetID "`abort" # so that this case is mapped to the "Cancel" functionality: return :sharing_back end if :next == Ops.get(event, "ID") if !ApplySharingSettings() Popup.Error(_("Failed to apply the settings to the system.")) end if !@sharing_has_changed Builtins.y2milestone("Nothing changed in 'Share Printers' dialog.") end return :sharing_next end case Ops.get_symbol(event, "WidgetID", :nil) when :add_interface @current_item = Convert.to_integer( UI.QueryWidget(:interface_table, :CurrentItem) ) @interface_map = showInterfacePopup("", false) @is_in_table = false if @interface_map != nil @interface_table_items = [] Builtins.foreach( Convert.convert( UI.QueryWidget(:interface_table, :Items), :from => "any", :to => "list <term>" ) ) do |interface_table_item| if Ops.get(@interface_map, "interface_name", "new") != Ops.get_string(interface_table_item, 1, "old") @interface_table_items = Builtins.add( @interface_table_items, Item( Id(Builtins.size(@interface_table_items)), Ops.get_string(interface_table_item, 1, ""), Ops.get_string(interface_table_item, 2, "") ) ) else @is_in_table = true Builtins.y2milestone( "Changing interface_table_item %1 with interface_map %2", interface_table_item, @interface_map ) @interface_table_items = Builtins.add( @interface_table_items, Item( Id(Builtins.size(@interface_table_items)), Ops.get(@interface_map, "interface_name", ""), Ops.get(@interface_map, "is_published", "") ) ) end end if !@is_in_table Builtins.y2milestone("Adding interface_map %1", @interface_map) @interface_table_items = Builtins.add( @interface_table_items, Item( Id(Builtins.size(@interface_table_items)), Ops.get(@interface_map, "interface_name", ""), Ops.get(@interface_map, "is_published", "") ) ) @current_item = Ops.subtract( Builtins.size(@interface_table_items), 1 ) end UI.ChangeWidget(:interface_table, :Items, @interface_table_items) UI.ChangeWidget(:interface_table, :CurrentItem, @current_item) end when :edit_interface @current_item = Convert.to_integer( UI.QueryWidget(:interface_table, :CurrentItem) ) @interface_item = Convert.to_term( UI.QueryWidget(:interface_table, term(:Item, @current_item)) ) @interface_map = showInterfacePopup( Ops.get_string(@interface_item, 1, ""), Ops.get_string(@interface_item, 2, "no") == "yes" ) if @interface_map != nil @interface_table_items = [] Builtins.foreach( Convert.convert( UI.QueryWidget(:interface_table, :Items), :from => "any", :to => "list <term>" ) ) do |interface_table_item| if @current_item != Ops.get_integer(interface_table_item, [0, 0], -1) @interface_table_items = Builtins.add( @interface_table_items, Item( Id(Builtins.size(@interface_table_items)), Ops.get_string(interface_table_item, 1, ""), Ops.get_string(interface_table_item, 2, "") ) ) else Builtins.y2milestone( "Changing interface_table_item %1 with interface_map %2", interface_table_item, @interface_map ) @interface_table_items = Builtins.add( @interface_table_items, Item( Id(Builtins.size(@interface_table_items)), Ops.get(@interface_map, "interface_name", ""), Ops.get(@interface_map, "is_published", "") ) ) end end UI.ChangeWidget(:interface_table, :Items, @interface_table_items) UI.ChangeWidget(:interface_table, :CurrentItem, @current_item) end when :delete_interface @current_item = Convert.to_integer( UI.QueryWidget(:interface_table, :CurrentItem) ) if @current_item != nil && Ops.greater_than(@current_item, -1) @interface_table_items = [] Builtins.foreach( Convert.convert( UI.QueryWidget(:interface_table, :Items), :from => "any", :to => "list <term>" ) ) do |interface_table_item| if @current_item != Ops.get_integer(interface_table_item, [0, 0], -1) @interface_table_items = Builtins.add( @interface_table_items, Item( Id(Builtins.size(@interface_table_items)), Ops.get_string(interface_table_item, 1, ""), Ops.get_string(interface_table_item, 2, "") ) ) else Builtins.y2milestone( "Deleting interface_table_item %1", interface_table_item ) end end UI.ChangeWidget(:interface_table, :Items, @interface_table_items) else Builtins.y2error( "Unproper index for current interface table item: %1", @current_item ) end end end if !@share_printers_dialog_is_useless # boolean remote_access=(`allow_remote_access_radio_button==UI::QueryWidget(`deny_or_allow_remote_access,`CurrentButton)); # Reason: At least with openSUSE 11.0 and Qt # it is possible to un-check all buttons in a RadioButtonGroup # by clicking on the currently checked button which un-checks it # so that there might be no CurrentButton which leads to unexpected results. # Therefore the actual button is tested directly to be on the safe side. # But even this does not work really well. # The reason is that un-checking the currently checked button # does not trigger any event even not with "`opt(`notify, `immediate)" # so that this special action is unnoticed. remote_access = Convert.to_boolean( UI.QueryWidget(:allow_remote_access_radio_button, :Value) ) UI.ChangeWidget(:allow_remote_access_label, :Enabled, remote_access) UI.ChangeWidget( :allow_local_network_access_check_box, :Enabled, remote_access ) UI.ChangeWidget( :publish_to_local_network_check_box, :Enabled, remote_access ) UI.ChangeWidget(:interface_table_label, :Enabled, remote_access) UI.ChangeWidget(:interface_table, :Enabled, remote_access) UI.ChangeWidget(:add_interface, :Enabled, remote_access) UI.ChangeWidget(:edit_interface, :Enabled, remote_access) UI.ChangeWidget(:delete_interface, :Enabled, remote_access) UI.ChangeWidget(:specific_addresses_label, :Enabled, remote_access) UI.ChangeWidget(:allow_input, :Enabled, remote_access) UI.ChangeWidget(:browse_address_input, :Enabled, remote_access) if remote_access = true if 0 == Builtins.size( Convert.to_list(UI.QueryWidget(:interface_table, :Items)) ) = false end UI.ChangeWidget(:edit_interface, :Enabled, ) UI.ChangeWidget(:delete_interface, :Enabled, ) end end nil end |
- (Object) initialize_printer_sharing(include_target)
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# File '../../src/include/printer/sharing.rb', line 30 def initialize_printer_sharing(include_target) Yast.import "UI" textdomain "printer" Yast.import "Label" Yast.import "Printer" Yast.import "Printerlib" Yast.import "Popup" Yast.include include_target, "printer/helps.rb" @share_printers_dialog_is_useless = false @interface_table_items = [] @available_interfaces = [] @sharing_has_changed = false @initial_deny_remote_access = true @initial_allow_remote_access = false @initial_allow_local_network_access = false @initial_publish_to_local_network = false @initial_interface_table_items = [] @initial_allow_input_value = "" @initial_browse_address_input_value = "" @share_printers_firewall_popup_was_shown = false @widgetSharing = VBox( RadioButtonGroup( Id(:deny_or_allow_remote_access), VBox( Left( RadioButton( Id(:deny_remote_access_radio_button), Opt(:notify), # A RadioButton label to deny remote access to local print queues: _("&Deny Remote Access"), @initial_deny_remote_access ) ), Left( RadioButton( Id(:allow_remote_access_radio_button), Opt(:notify), # A RadioButton label to allow remote access to local print queues: _("&Allow Remote Access"), @initial_allow_remote_access ) ), Left( HBox( HSpacing(2), Label( Id(:allow_remote_access_label), # A label which explains how the subsequent choices can be used: _( "There are various ways how to specify which remote hosts are allowed:" ) ) ) ) ) ), HBox( HSpacing(4), VBox( Left( CheckBox( Id(:allow_local_network_access_check_box), Opt(:notify), # A CheckBox label to allow remote access to local print queues # for computers within the local network: _("For computers within the &local network"), @initial_allow_local_network_access ) ), Left( HBox( HSpacing(2), CheckBox( Id(:publish_to_local_network_check_box), Opt(:notify), # A CheckBox label to publish local print queues by default within the local network: _("&Publish printers within the local network"), @initial_publish_to_local_network ) ) ), Left( Label( Id(:interface_table_label), # A caption for a table to allow remote access to local print queues # via network interfaces specified in the table below: _("Via network interfaces") ) ), HBox( HSpacing(2), VSquash( MinHeight( 5, Table( Id(:interface_table), Opt(:keepSorting), Header( _("Interface"), # A table column header where the column shows whether or not # local print queues are published by default # via the network interface in the other table column: _("Publish printers via this interface") ), # A table column header where the column lists network interfaces: @initial_interface_table_items ) ) ), VBox( PushButton( Id(:add_interface), # A PushButton label to add a network interface to the table which shows # the network interfaces to allow remote access to local print queues: _("&Add") ), PushButton( Id(:edit_interface), # A PushButton label to change a network interface in the table which shows # the network interfaces to allow remote access to local print queues: _("&Edit") ), PushButton( Id(:delete_interface), # A PushButton label to delete a network interface from the table which shows # the network interfaces to allow remote access to local print queues: _("&Delete") ) ) ), Left( Label( Id(:specific_addresses_label), # A caption to allow remote access to local print queues # for hosts and/or networks specified in two TextEntries below: _("For Specific IP Addresses or Networks") ) ), HBox( HSpacing(2), VBox( Left( TextEntry( Id(:allow_input), # TextEntry to allow remote access to local print queues # for hosts and/or networks: _( "Allow access from those IP addresses or &network/netmask (separated by space)" ) ) ), Left( HBox( HSpacing(2), TextEntry( Id(:browse_address_input), # TextEntry to publish local print queues # to IP addresses and/or network broadcast addresses: _( "Publish to these IP addresses or network &broadcast addresses (separated by space)" ) ) ) ) ) ) ) ) ) end |
- (Object) initSharing(key)
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# File '../../src/include/printer/sharing.rb', line 627 def initSharing(key) Builtins.y2milestone("entering initSharing with key '%1'", key) @share_printers_dialog_is_useless = false @sharing_has_changed = false # Determine whether or not it is currently a real client-only config # (i.e. a ServerName != "localhost/127.0.0.1" in /etc/cups/client.conf) # and ignore when it fails (i.e. use the fallback value silently): Printerlib.DetermineClientOnly if Printerlib.client_only if !Popup.YesNoHeadline( Builtins.sformat( # where %1 will be replaced by the server name: _("Disable Remote CUPS Server '%1'"), Printerlib.client_conf_server_name ), # PopupYesNoHeadline headline # PopupYesNoHeadline body: _( "A remote CUPS server setting conflicts with sharing local printer configurations." ) ) @share_printers_dialog_is_useless = true Builtins.y2milestone( "share_printers_dialog_is_useless because user decided not to disable client-only CUPS server '%1'", Printerlib.client_conf_server_name ) else if !Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "cups_client_only none") ) Popup.ErrorDetails( _( "Failed to remove the 'ServerName' entry in /etc/cups/client.conf" ), Ops.add( Ops.add(Ops.get_string(Printerlib.result, "stderr", ""), "\n"), Ops.get_string(Printerlib.result, "stdout", "") ) ) @share_printers_dialog_is_useless = true Builtins.y2milestone( "share_printers_dialog_is_useless because it failed to disable client-only CUPS server '%1'", Printerlib.client_conf_server_name ) end end end # When it is no "client-only" config, # determine whether or not a local cupsd is accessible: if !@share_printers_dialog_is_useless if !Printerlib.GetAndSetCupsdStatus("") if !Printerlib.GetAndSetCupsdStatus("start") @share_printers_dialog_is_useless = true Builtins.y2milestone( "share_printers_dialog_is_useless because 'rccups start' failed." ) end end end # Note that the "Share Printers" dialog is not useless when there is no local queue. # For example the user may like to configure "Share Printers" (e.g. allow remote access) # before he set up the first local queue or he may like to delete all local queues # and then change the "Share Printers" stuff accordingly (e.g. deny remote access). if @share_printers_dialog_is_useless # Therefore disable all widgets except the deny_remote_access_radio_button # because the user may like to set deny remote access in /etc/cups/cupsd.conf # to be on the safe side before he changes a client-only config into a config # with a local running cupsd (e.g. before he set up the first local queue: # Also the basic buttons "Help", "Cancel", "OK" are enabled. UI.ChangeWidget(:allow_remote_access_radio_button, :Enabled, false) UI.ChangeWidget(:allow_remote_access_label, :Enabled, false) UI.ChangeWidget(:allow_local_network_access_check_box, :Enabled, false) UI.ChangeWidget(:publish_to_local_network_check_box, :Enabled, false) UI.ChangeWidget(:interface_table_label, :Enabled, false) UI.ChangeWidget(:interface_table, :Enabled, false) UI.ChangeWidget(:add_interface, :Enabled, false) UI.ChangeWidget(:edit_interface, :Enabled, false) UI.ChangeWidget(:delete_interface, :Enabled, false) UI.ChangeWidget(:specific_addresses_label, :Enabled, false) UI.ChangeWidget(:allow_input, :Enabled, false) UI.ChangeWidget(:browse_address_input, :Enabled, false) end # Regardless whether or not the "Share Printers" dialog is useless, # fill in the values of the current settings in the system: @interface_table_items = [] # Determine the 'Listen' values in /etc/cups/cupsd.conf: # By default there is 'Listen localhost:631' and 'Listen /var/run/cups/cups.sock'. # 'Listen localhost' is mandatory (i.e. it is a broken config when it is missing). # '/var/run/cups/cups.sock' is only an optional default (i.e. not really of interest). # Therefore "modify_cupsd_conf Listen" reports 'localhost' but ignores '/var/run/cups/cups.sock' # so that ["localhost"] is the right fallback value here: listen_values = [""] if Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf Listen") ) # but possible duplicate Listen values are not removed in the command output: listen_values = Builtins.toset( Builtins.splitstring( Ops.get_string(Printerlib.result, "stdout", ""), " " ) ) else listen_values = ["localhost"] end Builtins.y2milestone("Initial listen_values: %1", listen_values) # Determine if it listens at least to "localhost" and/or only to "localhost": listen_local = false listen_remote = false Builtins.foreach(listen_values) do |listen_value| if "" != listen_value if "all" == listen_value listen_local = true listen_remote = true raise Break end if "localhost" == listen_value listen_local = true else listen_remote = true end end end if !listen_local # (e.g. listen only on /var/run/cups/cups.sock is a broken config) # but this does not mean that there must be a line "Listen localhost:631" # in cupsd.conf because listening on all interfaces via "Listen *:631" # lets it also listen on the localhost interface # (see above how listen_local is set to true). # Try to do a simple fix for the broken config but ignore possible failures. # Set only 'Listen localhost:631' in /etc/cups/cupsd.conf which means # that all possibly existing non-'localhost' Listen entries are removed. # but this should be no big problem because appropriate Listen values # (depending on the settings in this dialog) would be added when this dialog finishes. # Only while this dialog is open, the non-'localhost' Listen entries are removed # which means that there is no remote access while this dialog is open # which is no big issue for a broken config without any local access ;-) Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf Listen localhost") ) Printerlib.GetAndSetCupsdStatus("restart") end # Determine the 'Allow' values for the root location '<Location />' in /etc/cups/cupsd.conf: # By default there is only 'Allow 127.0.0.2' but this value is suppressed in the output # of 'modify_cupsd_conf Allow' so that the empty sting is the right fallback value here: allow_values = [""] if Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf Allow") ) # but possible duplicate Allow values are not removed in the command output: allow_values = Builtins.toset( Builtins.splitstring( Ops.get_string(Printerlib.result, "stdout", ""), " " ) ) else allow_values = [""] end Builtins.y2milestone("Initial allow_values: %1", allow_values) # Determine the 'BrowseAddress' values in /etc/cups/cupsd.conf: # By default there is no BrowseAddress value so that the empty sting is the right fallback: browse_address_values = [""] if Printerlib.ExecuteBashCommand( Ops.add(Printerlib.yast_bin_dir, "modify_cupsd_conf BrowseAddress") ) # but possible duplicate BrowseAddress values are not removed in the command output: browse_address_values = Builtins.toset( Builtins.splitstring( Ops.get_string(Printerlib.result, "stdout", ""), " " ) ) else browse_address_values = [""] end Builtins.y2milestone( "Initial browse_address_values: %1", browse_address_values ) # Reset the different values for the different widgets in the dialog to defaults: @initial_deny_remote_access = true UI.ChangeWidget(:deny_remote_access_radio_button, :Value, true) @initial_allow_remote_access = false UI.ChangeWidget(:allow_remote_access_radio_button, :Value, false) @initial_allow_local_network_access = false UI.ChangeWidget(:allow_local_network_access_check_box, :Value, false) @initial_publish_to_local_network = false UI.ChangeWidget(:publish_to_local_network_check_box, :Value, false) @initial_interface_table_items = [] @initial_allow_input_value = "" @initial_browse_address_input_value = "" # Split the allow_values list together with the browse_address_values list # into the different values for the different widgets in the dialog. # By default no remote access is allowed (see the defaults in widgetSharing) # but if there is at least one none-empty allow_value, remote access should be allowed # except when there is no remote Listen entry: none_empty_allow_values = false allow_none = false Builtins.foreach(allow_values) do |allow_value| next if "" == Builtins.filterchars(allow_value, Printer.alnum_chars) none_empty_allow_values = true allow_none = true if "none" == Builtins.tolower(allow_value) # To be safe against any unexpected locale mess, I use tolower for both strings so that # equal strings result true regardless of what tolower/toupper results in which locale # instead of an asymmetric comparison like "@LOCAL" == toupper(allow_value): if Builtins.tolower("@LOCAL") == Builtins.tolower(allow_value) UI.ChangeWidget(:allow_local_network_access_check_box, :Value, true) @initial_allow_local_network_access = true # Check if this value appears also in the browse_address_values: if Builtins.contains(browse_address_values, allow_value) UI.ChangeWidget(:publish_to_local_network_check_box, :Value, true) @initial_publish_to_local_network = true end next end if Builtins.issubstring( Builtins.tolower(allow_value), Builtins.tolower("@IF") ) # Check if this value appears also in the browse_address_values: publish_via_this_interface = "no" if Builtins.contains(browse_address_values, allow_value) publish_via_this_interface = "yes" end # Extract only the interface-name from the allow_value: start = Builtins.findfirstof(allow_value, "(") _end = Builtins.findfirstof(allow_value, ")") if nil != start && nil != _end && Ops.greater_than(Ops.subtract(Ops.subtract(_end, start), 1), 0) interface_name = Builtins.substring( allow_value, Ops.add(start, 1), Ops.subtract(Ops.subtract(_end, start), 1) ) @interface_table_items = Builtins.add( @interface_table_items, Item( Id(Builtins.size(@interface_table_items)), interface_name, publish_via_this_interface ) ) end next end # When the allow_value is neither "@LOCAL" nor "@IF(...)" # it is for the allow_input TextEntry (intentionally also if it is "none"). # Have a trailing space character so that the user can easily add something: @initial_allow_input_value = Ops.add( Ops.add(@initial_allow_input_value, allow_value), " " ) end # By default initial_deny_remote_access is true # and initial_allow_remote_access is false (see above) # and this is correct (i.e. it must not be changed) # when the cupsd does not listen on a remote interface # or when the allow_values are effectively empty # or when one of the the allow_values is "none": if listen_remote && none_empty_allow_values && !allow_none UI.ChangeWidget(:deny_remote_access_radio_button, :Value, false) @initial_deny_remote_access = false UI.ChangeWidget(:allow_remote_access_radio_button, :Value, true) @initial_allow_remote_access = true # When something (except 'none') regarding "Allow remote access" is set # test whether or not a firewall seems to be active and # if yes show a popup regarding firewall if it was not yet shown: if !@share_printers_firewall_popup_was_shown if ShowSharePrintersFirewallPopup() @share_printers_firewall_popup_was_shown = true end end else # whole yast2-printer module runs so that the user could launch this dialog # several times in one module run and switch between "Deny remote access" # and "Allow remote access" several times in one run of the yast2-printer module. # When in the previous run of this dialog "Deny remote access" has become true # but in the current run of this dialog it was switched back to "Allow remote access" # make sure to show in the current run of this dialog the popup regarding firewall again: @share_printers_firewall_popup_was_shown = false end Builtins.foreach(browse_address_values) do |browse_address_value| if "" == Builtins.filterchars(browse_address_value, Printer.alnum_chars) next end if Builtins.tolower("@LOCAL") == Builtins.tolower(browse_address_value) # because this case is handled in the foreach for allow_values above: next end if Builtins.issubstring( Builtins.tolower(browse_address_value), Builtins.tolower("@IF") ) # because this case is handled in the foreach for allow_values above: next end # When the browse_address_value is neither "@LOCAL" nor "@IF(...)" # it is for the browse_address_input TextEntry. # Have a trailing space character so that the user can easily add something: @initial_browse_address_input_value = Ops.add( Ops.add(@initial_browse_address_input_value, browse_address_value), " " ) end Builtins.y2milestone( "Initial interface_table_items: %1", @interface_table_items ) UI.ChangeWidget(:interface_table, :Items, @interface_table_items) @initial_interface_table_items = deep_copy(@interface_table_items) UI.ChangeWidget(:interface_table, :CurrentItem, -1) # Determine the currently available IPv4 (-family inet) network interfaces in the system. # Omit all non-eth* interfaces because loopback interfaces do not make sense here # and ppp* interfaces are usually used for DSL and analog modems to access the # untrusted Internet from which no remote access should be allowed by accident # (the user can enter any interface manually if he knows what he does): @available_interfaces = [] if Printerlib.ExecuteBashCommand( "ip -family inet -oneline link show | grep 'eth[0-9]' | cut -s -d ':' -f 2 | tr -s '[:space:]' ' '" ) # Remove empty or effectively empty entries (otherwise it would be something like ["", "eth0", "eth1"]): @available_interfaces = Builtins.filter( Builtins.toset( Builtins.splitstring( Ops.get_string(Printerlib.result, "stdout", ""), " " ) ) ) do |interface_name| "" != Builtins.filterchars(interface_name, Printer.alnum_chars) end else @available_interfaces = [] end Builtins.y2milestone("available_interfaces: %1", @available_interfaces) Builtins.y2milestone( "Initial initial_allow_input_value: %1", @initial_allow_input_value ) UI.ChangeWidget(Id(:allow_input), :Value, @initial_allow_input_value) Builtins.y2milestone( "Initial initial_browse_address_input_value: %1", @initial_browse_address_input_value ) UI.ChangeWidget( Id(:browse_address_input), :Value, @initial_browse_address_input_value ) Builtins.y2milestone( "Initial browse_address_values: %1", browse_address_values ) Builtins.y2milestone("leaving initSharing") nil end |
- (Object) showInterfacePopup(interface_name, is_published)
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# File '../../src/include/printer/sharing.rb', line 205 def showInterfacePopup(interface_name, is_published) interface_map = {} UI.OpenDialog( VBox( CheckBox( Id(:publish_check_box), # A CheckBox label to publish local print queues by default # via a partivular network interface which is shown below. _("&Publish printers by default via the network interface below."), is_published ), ComboBox( Id(:interfaces_combo_box), Opt(:editable), # A header for a ComboBox which lists network interfaces: _("Available Network &Interfaces:"), @available_interfaces ), VSpacing(), ButtonBox( PushButton(Id(:ok), Label.OKButton), PushButton(Id(:cancel), Label.CancelButton) ) ) ) if "" != interface_name UI.ChangeWidget(:interfaces_combo_box, :Value, interface_name) end while true ret = UI.UserInput if :cancel == ret interface_map = nil break end if :ok == ret interface_name = Convert.to_string( UI.QueryWidget(:interfaces_combo_box, :Value) ) is_published = Convert.to_boolean( UI.QueryWidget(:publish_check_box, :Value) ) Ops.set(interface_map, "interface_name", interface_name) Ops.set(interface_map, "is_published", is_published ? "yes" : "no") break end end UI.CloseDialog deep_copy(interface_map) end |
- (Object) ShowSharePrintersFirewallPopup
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# File '../../src/include/printer/sharing.rb', line 256 def ShowSharePrintersFirewallPopup if Printerlib.FirewallSeemsToBeActive Popup.AnyMessage( # Use the exact same wording "remote access" # as in the matching RadioButton label to allow remote access to local print queues: _("A firewall may prevent remote access"), # Popup::AnyMessage message: _("Regarding firewall setup see the help text of this dialog.") ) return true end false end |