diff --git a/panels/printers/Makefile.am b/panels/printers/Makefile.am index f4a46a203..ad79c0dbb 100644 --- a/panels/printers/Makefile.am +++ b/panels/printers/Makefile.am @@ -22,6 +22,8 @@ ccpanels_LTLIBRARIES = libprinters.la libprinters_la_SOURCES = \ printers-module.c \ + pp-maintenance-command.c \ + pp-maintenance-command.h \ pp-host.c \ pp-host.h \ pp-cups.c \ diff --git a/panels/printers/pp-maintenance-command.c b/panels/printers/pp-maintenance-command.c new file mode 100644 index 000000000..e2a831b1d --- /dev/null +++ b/panels/printers/pp-maintenance-command.c @@ -0,0 +1,325 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright 2012 Red Hat, Inc, + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Author: Marek Kasik + */ + +#include + +#include "pp-maintenance-command.h" + +#include "pp-utils.h" + +#ifndef HAVE_CUPS_1_6 +#define ippGetCount(attr) attr->num_values +#define ippGetValueTag(attr) attr->value_tag +#define ippGetStatusCode(ipp) ipp->request.status.status_code +#define ippGetString(attr, element, language) attr->values[element].string.text +#endif + +struct _PpMaintenanceCommandPrivate +{ + gchar *printer_name; + gchar *command; + gchar *title; +}; + +G_DEFINE_TYPE (PpMaintenanceCommand, pp_maintenance_command, G_TYPE_OBJECT); + +enum { + PROP_0 = 0, + PROP_PRINTER_NAME, + PROP_COMMAND, + PROP_TITLE +}; + +static void +pp_maintenance_command_finalize (GObject *object) +{ + PpMaintenanceCommandPrivate *priv; + + priv = PP_MAINTENANCE_COMMAND (object)->priv; + + g_clear_pointer (&priv->printer_name, g_free); + g_clear_pointer (&priv->command, g_free); + g_clear_pointer (&priv->title, g_free); + + G_OBJECT_CLASS (pp_maintenance_command_parent_class)->finalize (object); +} + +static void +pp_maintenance_command_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *param_spec) +{ + PpMaintenanceCommand *self; + + self = PP_MAINTENANCE_COMMAND (object); + + switch (prop_id) + { + case PROP_PRINTER_NAME: + g_value_set_string (value, self->priv->printer_name); + break; + case PROP_COMMAND: + g_value_set_string (value, self->priv->command); + break; + case PROP_TITLE: + g_value_set_string (value, self->priv->title); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, + prop_id, + param_spec); + break; + } +} + +static void +pp_maintenance_command_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *param_spec) +{ + PpMaintenanceCommand *self = PP_MAINTENANCE_COMMAND (object); + + switch (prop_id) + { + case PROP_PRINTER_NAME: + g_free (self->priv->printer_name); + self->priv->printer_name = g_value_dup_string (value); + break; + case PROP_COMMAND: + g_free (self->priv->command); + self->priv->command = g_value_dup_string (value); + break; + case PROP_TITLE: + g_free (self->priv->title); + self->priv->title = g_value_dup_string (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, + prop_id, + param_spec); + break; + } +} + +static void +pp_maintenance_command_class_init (PpMaintenanceCommandClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (PpMaintenanceCommandPrivate)); + + gobject_class->set_property = pp_maintenance_command_set_property; + gobject_class->get_property = pp_maintenance_command_get_property; + gobject_class->finalize = pp_maintenance_command_finalize; + + g_object_class_install_property (gobject_class, PROP_PRINTER_NAME, + g_param_spec_string ("printer-name", + "Printer name", + "Name of the printer", + NULL, + G_PARAM_READWRITE)); + + g_object_class_install_property (gobject_class, PROP_COMMAND, + g_param_spec_string ("command", + "Maintenance command", + "Command to execute", + NULL, + G_PARAM_READWRITE)); + + g_object_class_install_property (gobject_class, PROP_TITLE, + g_param_spec_string ("title", + "Command title", + "Title of the job by which the command will be executed", + NULL, + G_PARAM_READWRITE)); +} + +static void +pp_maintenance_command_init (PpMaintenanceCommand *command) +{ + command->priv = G_TYPE_INSTANCE_GET_PRIVATE (command, + PP_TYPE_MAINTENANCE_COMMAND, + PpMaintenanceCommandPrivate); +} + +PpMaintenanceCommand * +pp_maintenance_command_new (const gchar *printer_name, + const gchar *command, + const gchar *title) +{ + return g_object_new (PP_TYPE_MAINTENANCE_COMMAND, + "printer-name", printer_name, + "command", command, + "title", title, + NULL); +} + +static void +_pp_maintenance_command_execute_thread (GSimpleAsyncResult *res, + GObject *object, + GCancellable *cancellable) +{ + PpMaintenanceCommand *command = (PpMaintenanceCommand *) object; + PpMaintenanceCommandPrivate *priv = command->priv; + static const char *attrs[] = {"printer-commands"}; + ipp_attribute_t *attr = NULL; + gboolean success = FALSE; + GError *error = NULL; + ipp_t *request; + ipp_t *response = NULL; + gchar *printer_uri; + gchar *printer_commands = NULL; + gchar *printer_commands_lowercase = NULL; + gchar *command_lowercase; + gchar *file_name = NULL; + int fd = -1; + + printer_uri = g_strdup_printf ("ipp://localhost/printers/%s", + priv->printer_name); + + request = ippNewRequest (IPP_GET_PRINTER_ATTRIBUTES); + ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_URI, + "printer-uri", NULL, printer_uri); + ippAddStrings (request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, + "requested-attributes", 1, NULL, attrs); + response = cupsDoRequest (CUPS_HTTP_DEFAULT, request, "/"); + + if (response) + { + if (ippGetStatusCode (response) <= IPP_OK_CONFLICT) + { + attr = ippFindAttribute (response, "printer-commands", IPP_TAG_ZERO); + if (attr && ippGetCount (attr) > 0 && ippGetValueTag (attr) != IPP_TAG_NOVALUE) + { + if (ippGetValueTag (attr) == IPP_TAG_KEYWORD) + { + printer_commands = g_strdup (ippGetString (attr, 0, NULL)); + } + } + else + { + success = TRUE; + } + } + + ippDelete (response); + } + + if (printer_commands) + { + command_lowercase = g_ascii_strdown (priv->command, -1); + printer_commands_lowercase = g_ascii_strdown (printer_commands, -1); + + if (g_strrstr (printer_commands_lowercase, command_lowercase)) + { + request = ippNewRequest (IPP_PRINT_JOB); + + ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_URI, + "printer-uri", NULL, printer_uri); + ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_NAME, + "job-name", NULL, priv->title); + ippAddString (request, IPP_TAG_JOB, IPP_TAG_MIMETYPE, + "document-format", NULL, "application/vnd.cups-command"); + + fd = g_file_open_tmp ("ccXXXXXX", &file_name, &error); + + if (fd != -1) + { + FILE *file; + + file = fdopen (fd, "w"); + fprintf (file, "#CUPS-COMMAND\n"); + fprintf (file, "%s\n", priv->command); + fclose (file); + + response = cupsDoFileRequest (CUPS_HTTP_DEFAULT, request, "/", file_name); + g_unlink (file_name); + + if (response) + { + if (ippGetStatusCode (response) <= IPP_OK_CONFLICT) + { + success = TRUE; + } + + ippDelete (response); + } + } + + g_free (file_name); + } + else + { + success = TRUE; + } + + g_free (command_lowercase); + g_free (printer_commands_lowercase); + g_free (printer_commands); + } + + g_free (printer_uri); + + if (!success) + { + g_simple_async_result_set_error (res, + G_IO_ERROR, + G_IO_ERROR_FAILED, + "Execution of maintenance command failed."); + } + + g_simple_async_result_set_op_res_gboolean (res, success); +} + +void +pp_maintenance_command_execute_async (PpMaintenanceCommand *command, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GSimpleAsyncResult *res; + + res = g_simple_async_result_new (G_OBJECT (command), callback, user_data, pp_maintenance_command_execute_async); + + g_simple_async_result_set_check_cancellable (res, cancellable); + g_simple_async_result_run_in_thread (res, _pp_maintenance_command_execute_thread, 0, cancellable); + + g_object_unref (res); +} + +gboolean +pp_maintenance_command_execute_finish (PpMaintenanceCommand *command, + GAsyncResult *res, + GError **error) +{ + GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res); + + g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == pp_maintenance_command_execute_async); + + if (g_simple_async_result_propagate_error (simple, error)) + { + return FALSE; + } + + return g_simple_async_result_get_op_res_gboolean (simple); +} diff --git a/panels/printers/pp-maintenance-command.h b/panels/printers/pp-maintenance-command.h new file mode 100644 index 000000000..029b480bf --- /dev/null +++ b/panels/printers/pp-maintenance-command.h @@ -0,0 +1,69 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright 2012 Red Hat, Inc, + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Author: Marek Kasik + */ + +#ifndef __PP_MAINTENANCE_COMMAND_H__ +#define __PP_MAINTENANCE_COMMAND_H__ + +#include +#include + +G_BEGIN_DECLS + +#define PP_TYPE_MAINTENANCE_COMMAND (pp_maintenance_command_get_type ()) +#define PP_MAINTENANCE_COMMAND(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), PP_TYPE_MAINTENANCE_COMMAND, PpMaintenanceCommand)) +#define PP_MAINTENANCE_COMMAND_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), PP_TYPE_MAINTENANCE_COMMAND, PpMaintenanceCommandClass)) +#define PP_IS_MAINTENANCE_COMMAND(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), PP_TYPE_MAINTENANCE_COMMAND)) +#define PP_IS_MAINTENANCE_COMMAND_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), PP_TYPE_MAINTENANCE_COMMAND)) +#define PP_MAINTENANCE_COMMAND_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), PP_TYPE_MAINTENANCE_COMMAND, PpMaintenanceCommandClass)) + +typedef struct _PpMaintenanceCommand PpMaintenanceCommand; +typedef struct _PpMaintenanceCommandClass PpMaintenanceCommandClass; +typedef struct _PpMaintenanceCommandPrivate PpMaintenanceCommandPrivate; + +struct _PpMaintenanceCommand +{ + GObject parent_instance; + PpMaintenanceCommandPrivate *priv; +}; + +struct _PpMaintenanceCommandClass +{ + GObjectClass parent_class; +}; + +GType pp_maintenance_command_get_type (void) G_GNUC_CONST; + +PpMaintenanceCommand *pp_maintenance_command_new (const gchar *printer_name, + const gchar *command, + const gchar *title); + +void pp_maintenance_command_execute_async (PpMaintenanceCommand *command, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data); + +gboolean pp_maintenance_command_execute_finish (PpMaintenanceCommand *command, + GAsyncResult *result, + GError **error); + +G_END_DECLS + +#endif /* __PP_MAINTENANCE_COMMAND_H__ */