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-rw-r--r--plugins/print-notifications/gsd-printer.c1403
1 files changed, 1403 insertions, 0 deletions
diff --git a/plugins/print-notifications/gsd-printer.c b/plugins/print-notifications/gsd-printer.c
new file mode 100644
index 0000000..573129b
--- /dev/null
+++ b/plugins/print-notifications/gsd-printer.c
@@ -0,0 +1,1403 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2011 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 2, 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+#include <gio/gio.h>
+#include <stdlib.h>
+#include <libnotify/notify.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+#include <gtk/gtk.h>
+#include <cups/cups.h>
+#include <cups/ppd.h>
+
+static GDBusNodeInfo *npn_introspection_data = NULL;
+static GDBusNodeInfo *pdi_introspection_data = NULL;
+
+#define SCP_DBUS_NPN_NAME "com.redhat.NewPrinterNotification"
+#define SCP_DBUS_NPN_PATH "/com/redhat/NewPrinterNotification"
+#define SCP_DBUS_NPN_INTERFACE "com.redhat.NewPrinterNotification"
+
+#define SCP_DBUS_PDI_NAME "com.redhat.PrinterDriversInstaller"
+#define SCP_DBUS_PDI_PATH "/com/redhat/PrinterDriversInstaller"
+#define SCP_DBUS_PDI_INTERFACE "com.redhat.PrinterDriversInstaller"
+
+#define PACKAGE_KIT_BUS "org.freedesktop.PackageKit"
+#define PACKAGE_KIT_PATH "/org/freedesktop/PackageKit"
+#define PACKAGE_KIT_MODIFY_IFACE "org.freedesktop.PackageKit.Modify"
+#define PACKAGE_KIT_QUERY_IFACE "org.freedesktop.PackageKit.Query"
+
+#define SCP_BUS "org.fedoraproject.Config.Printing"
+#define SCP_PATH "/org/fedoraproject/Config/Printing"
+#define SCP_IFACE "org.fedoraproject.Config.Printing"
+
+#define MECHANISM_BUS "org.opensuse.CupsPkHelper.Mechanism"
+
+#define ALLOWED_CHARACTERS "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_"
+
+#define DBUS_TIMEOUT 60000
+#define DBUS_INSTALL_TIMEOUT 3600000
+
+#define GNOME_SESSION_DBUS_NAME "org.gnome.SessionManager"
+#define GNOME_SESSION_DBUS_PATH "/org/gnome/SessionManager"
+#define GNOME_SESSION_DBUS_IFACE "org.gnome.SessionManager"
+#define GNOME_SESSION_CLIENT_PRIVATE_DBUS_IFACE "org.gnome.SessionManager.ClientPrivate"
+
+#define GNOME_SESSION_PRESENCE_DBUS_PATH "/org/gnome/SessionManager/Presence"
+#define GNOME_SESSION_PRESENCE_DBUS_IFACE "org.gnome.SessionManager.Presence"
+
+#if (CUPS_VERSION_MAJOR > 1) || (CUPS_VERSION_MINOR > 5)
+#define HAVE_CUPS_1_6 1
+#endif
+
+#ifndef HAVE_CUPS_1_6
+#define ippGetState(ipp) ipp->state
+#endif
+
+enum {
+ PRESENCE_STATUS_AVAILABLE = 0,
+ PRESENCE_STATUS_INVISIBLE,
+ PRESENCE_STATUS_BUSY,
+ PRESENCE_STATUS_IDLE,
+ PRESENCE_STATUS_UNKNOWN
+};
+
+static const gchar npn_introspection_xml[] =
+ "<node name='/com/redhat/NewPrinterNotification'>"
+ " <interface name='com.redhat.NewPrinterNotification'>"
+ " <method name='GetReady'>"
+ " </method>"
+ " <method name='NewPrinter'>"
+ " <arg type='i' name='status' direction='in'/>"
+ " <arg type='s' name='name' direction='in'/>"
+ " <arg type='s' name='mfg' direction='in'/>"
+ " <arg type='s' name='mdl' direction='in'/>"
+ " <arg type='s' name='des' direction='in'/>"
+ " <arg type='s' name='cmd' direction='in'/>"
+ " </method>"
+ " </interface>"
+ "</node>";
+
+static const gchar pdi_introspection_xml[] =
+ "<node name='/com/redhat/PrinterDriversInstaller'>"
+ " <interface name='com.redhat.PrinterDriversInstaller'>"
+ " <method name='InstallDrivers'>"
+ " <arg type='s' name='mfg' direction='in'/>"
+ " <arg type='s' name='mdl' direction='in'/>"
+ " <arg type='s' name='cmd' direction='in'/>"
+ " </method>"
+ " </interface>"
+ "</node>";
+
+static GMainLoop *main_loop;
+static guint npn_registration_id;
+static guint pdi_registration_id;
+static guint npn_owner_id;
+static guint pdi_owner_id;
+
+static GHashTable *
+get_missing_executables (const gchar *ppd_file_name)
+{
+ GHashTable *executables = NULL;
+ GDBusProxy *proxy;
+ GVariant *output;
+ GVariant *array;
+ GError *error = NULL;
+ gint i;
+
+ if (!ppd_file_name)
+ return NULL;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SCP_BUS,
+ SCP_PATH,
+ SCP_IFACE,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return NULL;
+ }
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "MissingExecutables",
+ g_variant_new ("(s)",
+ ppd_file_name),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output && g_variant_n_children (output) == 1) {
+ array = g_variant_get_child_value (output, 0);
+ if (array) {
+ executables = g_hash_table_new_full (g_str_hash, g_str_equal,
+ g_free, NULL);
+ for (i = 0; i < g_variant_n_children (array); i++) {
+ g_hash_table_insert (executables,
+ g_strdup (g_variant_get_string (
+ g_variant_get_child_value (array, i),
+ NULL)),
+ NULL);
+ }
+ }
+ }
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+
+ return executables;
+}
+
+static GHashTable *
+find_packages_for_executables (GHashTable *executables)
+{
+ GHashTableIter exec_iter;
+ GHashTable *packages = NULL;
+ GDBusProxy *proxy;
+ GVariant *output;
+ gpointer key, value;
+ GError *error = NULL;
+
+ if (!executables || g_hash_table_size (executables) <= 0)
+ return NULL;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ PACKAGE_KIT_BUS,
+ PACKAGE_KIT_PATH,
+ PACKAGE_KIT_QUERY_IFACE,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return NULL;
+ }
+
+ packages = g_hash_table_new_full (g_str_hash, g_str_equal,
+ g_free, NULL);
+
+ g_hash_table_iter_init (&exec_iter, executables);
+ while (g_hash_table_iter_next (&exec_iter, &key, &value)) {
+ output = g_dbus_proxy_call_sync (proxy,
+ "SearchFile",
+ g_variant_new ("(ss)",
+ (gchar *) key,
+ ""),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output) {
+ gboolean installed;
+ gchar *package;
+
+ g_variant_get (output,
+ "(bs)",
+ &installed,
+ &package);
+ if (!installed)
+ g_hash_table_insert (packages, g_strdup (package), NULL);
+
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+ }
+
+ g_object_unref (proxy);
+
+ return packages;
+}
+
+static void
+install_packages (GHashTable *packages)
+{
+ GVariantBuilder array_builder;
+ GHashTableIter pkg_iter;
+ GDBusProxy *proxy;
+ GVariant *output;
+ gpointer key, value;
+ GError *error = NULL;
+
+ if (!packages || g_hash_table_size (packages) <= 0)
+ return;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ PACKAGE_KIT_BUS,
+ PACKAGE_KIT_PATH,
+ PACKAGE_KIT_MODIFY_IFACE,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return;
+ }
+
+ g_variant_builder_init (&array_builder, G_VARIANT_TYPE ("as"));
+
+ g_hash_table_iter_init (&pkg_iter, packages);
+ while (g_hash_table_iter_next (&pkg_iter, &key, &value)) {
+ g_variant_builder_add (&array_builder,
+ "s",
+ (gchar *) key);
+ }
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "InstallPackageNames",
+ g_variant_new ("(uass)",
+ 0,
+ &array_builder,
+ "hide-finished"),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_INSTALL_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+}
+
+static gchar *
+get_best_ppd (gchar *device_id,
+ gchar *device_make_and_model,
+ gchar *device_uri)
+{
+ GDBusProxy *proxy;
+ GVariant *output;
+ GVariant *array;
+ GVariant *tuple;
+ GError *error = NULL;
+ gchar *ppd_name = NULL;
+ gint i, j;
+ static const char * const match_levels[] = {
+ "exact-cmd",
+ "exact",
+ "close",
+ "generic",
+ "none"};
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SCP_BUS,
+ SCP_PATH,
+ SCP_IFACE,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return NULL;
+ }
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "GetBestDrivers",
+ g_variant_new ("(sss)",
+ device_id ? device_id : "",
+ device_make_and_model ? device_make_and_model : "",
+ device_uri ? device_uri : ""),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output && g_variant_n_children (output) >= 1) {
+ array = g_variant_get_child_value (output, 0);
+ if (array)
+ for (j = 0; j < G_N_ELEMENTS (match_levels) && ppd_name == NULL; j++)
+ for (i = 0; i < g_variant_n_children (array) && ppd_name == NULL; i++) {
+ tuple = g_variant_get_child_value (array, i);
+ if (tuple && g_variant_n_children (tuple) == 2) {
+ if (g_strcmp0 (g_variant_get_string (
+ g_variant_get_child_value (tuple, 1),
+ NULL), match_levels[j]) == 0)
+ ppd_name = g_strdup (g_variant_get_string (
+ g_variant_get_child_value (tuple, 0),
+ NULL));
+ }
+ }
+ }
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+
+ return ppd_name;
+}
+
+static gchar *
+get_tag_value (const gchar *tag_string,
+ const gchar *tag_name)
+{
+ gchar **tag_string_splitted;
+ gchar *tag_value = NULL;
+ gint tag_name_length;
+ gint i;
+
+ if (!tag_string ||
+ !tag_name)
+ return NULL;
+
+ tag_name_length = strlen (tag_name);
+ tag_string_splitted = g_strsplit (tag_string, ";", 0);
+ if (tag_string_splitted) {
+ for (i = 0; i < g_strv_length (tag_string_splitted); i++)
+ if (g_ascii_strncasecmp (tag_string_splitted[i], tag_name, tag_name_length) == 0)
+ if (strlen (tag_string_splitted[i]) > tag_name_length + 1)
+ tag_value = g_strdup (tag_string_splitted[i] + tag_name_length + 1);
+
+ g_strfreev (tag_string_splitted);
+ }
+
+ return tag_value;
+}
+
+static gchar *
+create_name (gchar *device_id)
+{
+ cups_dest_t *dests;
+ gboolean already_present = FALSE;
+ gchar *name = NULL;
+ gchar *new_name = NULL;
+ gint num_dests;
+ gint name_index = 2;
+ gint j;
+
+ g_return_val_if_fail (device_id != NULL, NULL);
+
+ name = get_tag_value (device_id, "mdl");
+ if (!name)
+ name = get_tag_value (device_id, "model");
+
+ if (name)
+ name = g_strcanon (name, ALLOWED_CHARACTERS, '-');
+
+ num_dests = cupsGetDests (&dests);
+ do {
+ if (already_present) {
+ new_name = g_strdup_printf ("%s-%d", name, name_index);
+ name_index++;
+ } else {
+ new_name = g_strdup (name);
+ }
+
+ already_present = FALSE;
+ for (j = 0; j < num_dests; j++)
+ if (g_strcmp0 (dests[j].name, new_name) == 0)
+ already_present = TRUE;
+
+ if (already_present) {
+ g_free (new_name);
+ } else {
+ g_free (name);
+ name = new_name;
+ }
+ } while (already_present);
+ cupsFreeDests (num_dests, dests);
+
+ return name;
+}
+
+static gboolean
+add_printer (gchar *printer_name,
+ gchar *device_uri,
+ gchar *ppd_name,
+ gchar *info,
+ gchar *location)
+{
+ cups_dest_t *dests;
+ GDBusProxy *proxy;
+ gboolean success = FALSE;
+ GVariant *output;
+ GError *error = NULL;
+ gint num_dests;
+ gint i;
+
+ if (!printer_name || !device_uri || !ppd_name)
+ return FALSE;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ MECHANISM_BUS,
+ "/",
+ MECHANISM_BUS,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "PrinterAdd",
+ g_variant_new ("(sssss)",
+ printer_name,
+ device_uri,
+ ppd_name,
+ info ? info : "",
+ location ? location : ""),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+
+ num_dests = cupsGetDests (&dests);
+ for (i = 0; i < num_dests; i++)
+ if (g_strcmp0 (dests[i].name, printer_name) == 0)
+ success = TRUE;
+ cupsFreeDests (num_dests, dests);
+
+ return success;
+}
+
+static gboolean
+printer_set_enabled (const gchar *printer_name,
+ gboolean enabled)
+{
+ GDBusProxy *proxy;
+ gboolean result = TRUE;
+ GVariant *output;
+ GError *error = NULL;
+
+ if (!printer_name)
+ return FALSE;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ MECHANISM_BUS,
+ "/",
+ MECHANISM_BUS,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "PrinterSetEnabled",
+ g_variant_new ("(sb)",
+ printer_name,
+ enabled),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ result = FALSE;
+ }
+
+ g_object_unref (proxy);
+
+ return result;
+}
+
+static gboolean
+printer_set_accepting_jobs (const gchar *printer_name,
+ gboolean accepting_jobs,
+ const gchar *reason)
+{
+ GDBusProxy *proxy;
+ gboolean result = TRUE;
+ GVariant *output;
+ GError *error = NULL;
+
+ if (!printer_name)
+ return FALSE;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ MECHANISM_BUS,
+ "/",
+ MECHANISM_BUS,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "PrinterSetAcceptJobs",
+ g_variant_new ("(sbs)",
+ printer_name,
+ accepting_jobs,
+ reason ? reason : ""),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ result = FALSE;
+ }
+
+ g_object_unref (proxy);
+
+ return result;
+}
+
+static ipp_t *
+execute_maintenance_command (const char *printer_name,
+ const char *command,
+ const char *title)
+{
+ http_t *http;
+ GError *error = NULL;
+ ipp_t *request = NULL;
+ ipp_t *response = NULL;
+ gchar *file_name = NULL;
+ char *uri;
+ int fd = -1;
+
+ http = httpConnectEncrypt (cupsServer (),
+ ippPort (),
+ cupsEncryption ());
+
+ if (!http)
+ return NULL;
+
+ request = ippNewRequest (IPP_PRINT_JOB);
+
+ uri = g_strdup_printf ("ipp://localhost/printers/%s",
+ printer_name);
+
+ ippAddString (request,
+ IPP_TAG_OPERATION,
+ IPP_TAG_URI,
+ "printer-uri",
+ NULL,
+ uri);
+
+ g_free (uri);
+
+ ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name",
+ NULL, 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", command);
+ fclose (file);
+
+ response = cupsDoFileRequest (http, request, "/", file_name);
+ g_unlink (file_name);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_free (file_name);
+ httpClose (http);
+
+ return response;
+}
+
+static char *
+get_dest_attr (const char *dest_name,
+ const char *attr)
+{
+ cups_dest_t *dests;
+ int num_dests;
+ cups_dest_t *dest;
+ const char *value;
+ char *ret;
+
+ if (dest_name == NULL)
+ return NULL;
+
+ ret = NULL;
+
+ num_dests = cupsGetDests (&dests);
+ if (num_dests < 1) {
+ g_debug ("Unable to get printer destinations");
+ return NULL;
+ }
+
+ dest = cupsGetDest (dest_name, NULL, num_dests, dests);
+ if (dest == NULL) {
+ g_debug ("Unable to find a printer named '%s'", dest_name);
+ goto out;
+ }
+
+ value = cupsGetOption (attr, dest->num_options, dest->options);
+ if (value == NULL) {
+ g_debug ("Unable to get %s for '%s'", attr, dest_name);
+ goto out;
+ }
+ ret = g_strdup (value);
+out:
+ cupsFreeDests (num_dests, dests);
+
+ return ret;
+}
+
+static void
+printer_autoconfigure (gchar *printer_name)
+{
+ gchar *commands;
+ gchar *commands_lowercase;
+ ipp_t *response = NULL;
+
+ if (!printer_name)
+ return;
+
+ commands = get_dest_attr (printer_name, "printer-commands");
+ commands_lowercase = g_ascii_strdown (commands, -1);
+
+ if (g_strrstr (commands_lowercase, "autoconfigure")) {
+ response = execute_maintenance_command (printer_name,
+ "AutoConfigure",
+ ("Automatic configuration"));
+ if (response) {
+ if (ippGetState (response) == IPP_ERROR)
+ g_warning ("An error has occured during automatic configuration of new printer.");
+ ippDelete (response);
+ }
+ }
+ g_free (commands);
+ g_free (commands_lowercase);
+}
+
+/* Returns default page size for current locale */
+static const gchar *
+get_page_size_from_locale (void)
+{
+ if (g_str_equal (gtk_paper_size_get_default (), GTK_PAPER_NAME_LETTER))
+ return "Letter";
+ else
+ return "A4";
+}
+
+static void
+set_default_paper_size (const gchar *printer_name,
+ const gchar *ppd_file_name)
+{
+ GDBusProxy *proxy;
+ GVariant *output;
+ GError *error = NULL;
+ GVariantBuilder *builder;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ MECHANISM_BUS,
+ "/",
+ MECHANISM_BUS,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ return;
+ }
+
+ /* Set default media size according to the locale
+ * FIXME: Handle more than A4 and Letter:
+ * https://bugzilla.gnome.org/show_bug.cgi?id=660769 */
+ builder = g_variant_builder_new (G_VARIANT_TYPE ("as"));
+ g_variant_builder_add (builder, "s", get_page_size_from_locale ());
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "PrinterAddOption",
+ g_variant_new ("(ssas)",
+ printer_name ? printer_name : "",
+ "PageSize",
+ builder),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ if (!(error->domain == G_DBUS_ERROR &&
+ (error->code == G_DBUS_ERROR_SERVICE_UNKNOWN ||
+ error->code == G_DBUS_ERROR_UNKNOWN_METHOD)))
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+}
+
+/*
+ * Setup new printer and returns TRUE if successful.
+ */
+static gboolean
+setup_printer (gchar *device_id,
+ gchar *device_make_and_model,
+ gchar *device_uri)
+{
+ gboolean success = FALSE;
+ gchar *ppd_name;
+ gchar *printer_name;
+
+ ppd_name = get_best_ppd (device_id, device_make_and_model, device_uri);
+ printer_name = create_name (device_id);
+
+ if (!ppd_name || !printer_name || !device_uri) {
+ g_free (ppd_name);
+ g_free (printer_name);
+ return FALSE;
+ }
+
+ success = add_printer (printer_name, device_uri,
+ ppd_name, NULL, NULL);
+
+ /* Set some options of the new printer */
+ if (success) {
+ const char *ppd_file_name;
+
+ printer_set_accepting_jobs (printer_name, TRUE, NULL);
+ printer_set_enabled (printer_name, TRUE);
+ printer_autoconfigure (printer_name);
+
+ ppd_file_name = cupsGetPPD (printer_name);
+
+ if (ppd_file_name) {
+ GHashTable *executables;
+ GHashTable *packages;
+
+ set_default_paper_size (printer_name, ppd_file_name);
+
+ executables = get_missing_executables (ppd_file_name);
+ packages = find_packages_for_executables (executables);
+ install_packages (packages);
+
+ if (executables)
+ g_hash_table_destroy (executables);
+ if (packages)
+ g_hash_table_destroy (packages);
+ g_unlink (ppd_file_name);
+ }
+ }
+
+ g_free (printer_name);
+ g_free (ppd_name);
+
+ return success;
+}
+
+static void
+handle_method_call (GDBusConnection *connection,
+ const gchar *sender,
+ const gchar *object_path,
+ const gchar *interface_name,
+ const gchar *method_name,
+ GVariant *parameters,
+ GDBusMethodInvocation *invocation,
+ gpointer user_data)
+{
+ gchar *primary_text = NULL;
+ gchar *secondary_text = NULL;
+ gchar *name = NULL;
+ gchar *mfg = NULL;
+ gchar *mdl = NULL;
+ gchar *des = NULL;
+ gchar *cmd = NULL;
+ gchar *device = NULL;
+ gchar *device_id;
+ gchar *make_and_model;
+ gint status = 0;
+
+ if (g_strcmp0 (method_name, "GetReady") == 0) {
+ /* Translators: We are configuring new printer */
+ primary_text = g_strdup (_("Configuring new printer"));
+ /* Translators: Just wait */
+ secondary_text = g_strdup (_("Please wait…"));
+
+ g_dbus_method_invocation_return_value (invocation,
+ NULL);
+ }
+ else if (g_strcmp0 (method_name, "NewPrinter") == 0) {
+ if (g_variant_n_children (parameters) == 6) {
+ g_variant_get (parameters, "(i&s&s&s&s&s)",
+ &status,
+ &name,
+ &mfg,
+ &mdl,
+ &des,
+ &cmd);
+ }
+
+ if (g_strrstr (name, "/")) {
+ /* name is a URI, no queue was generated, because no suitable
+ * driver was found
+ */
+
+ device_id = g_strdup_printf ("MFG:%s;MDL:%s;DES:%s;CMD:%s;", mfg, mdl, des, cmd);
+ make_and_model = g_strdup_printf ("%s %s", mfg, mdl);
+
+ if (!setup_printer (device_id, make_and_model, name)) {
+
+ /* Translators: We have no driver installed for this printer */
+ primary_text = g_strdup (_("Missing printer driver"));
+
+ if ((mfg && mdl) || des) {
+ if (mfg && mdl)
+ device = g_strdup_printf ("%s %s", mfg, mdl);
+ else
+ device = g_strdup (des);
+
+ /* Translators: We have no driver installed for the device */
+ secondary_text = g_strdup_printf (_("No printer driver for %s."), device);
+ g_free (device);
+ }
+ else
+ /* Translators: We have no driver installed for this printer */
+ secondary_text = g_strdup (_("No driver for this printer."));
+ }
+
+ g_free (make_and_model);
+ g_free (device_id);
+ }
+ else {
+ /* name is the name of the queue which hal_lpadmin has set up
+ * automatically.
+ */
+
+ const char *ppd_file_name;
+
+ ppd_file_name = cupsGetPPD (name);
+ if (ppd_file_name) {
+ GHashTable *executables;
+ GHashTable *packages;
+
+ executables = get_missing_executables (ppd_file_name);
+ packages = find_packages_for_executables (executables);
+ install_packages (packages);
+
+ if (executables)
+ g_hash_table_destroy (executables);
+ if (packages)
+ g_hash_table_destroy (packages);
+ g_unlink (ppd_file_name);
+ }
+ }
+
+ g_dbus_method_invocation_return_value (invocation,
+ NULL);
+ }
+ else if (g_strcmp0 (method_name, "InstallDrivers") == 0) {
+ GDBusProxy *proxy;
+ GError *error = NULL;
+
+ if (g_variant_n_children (parameters) == 3) {
+ g_variant_get (parameters, "(&s&s&s)",
+ &mfg,
+ &mdl,
+ &cmd);
+ }
+
+ if (mfg && mdl)
+ device = g_strdup_printf ("MFG:%s;MDL:%s;", mfg, mdl);
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ PACKAGE_KIT_BUS,
+ PACKAGE_KIT_PATH,
+ PACKAGE_KIT_MODIFY_IFACE,
+ NULL,
+ &error);
+
+ if (!proxy) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ if (proxy && device) {
+ GVariantBuilder *builder;
+ GVariant *output;
+
+ builder = g_variant_builder_new (G_VARIANT_TYPE ("as"));
+ g_variant_builder_add (builder, "s", device);
+
+ output = g_dbus_proxy_call_sync (proxy,
+ "InstallPrinterDrivers",
+ g_variant_new ("(uass)",
+ 0,
+ builder,
+ "hide-finished"),
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_INSTALL_TIMEOUT,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_unref (output);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+ }
+
+ g_dbus_method_invocation_return_value (invocation,
+ NULL);
+ }
+
+ if (primary_text) {
+ NotifyNotification *notification;
+ notification = notify_notification_new (primary_text,
+ secondary_text,
+ "printer-symbolic");
+ notify_notification_set_app_name (notification, _("Printers"));
+ notify_notification_set_hint_string (notification, "desktop-entry", "gnome-printers-panel");
+ notify_notification_set_hint (notification, "transient", g_variant_new_boolean (TRUE));
+
+ notify_notification_show (notification, NULL);
+ g_object_unref (notification);
+ g_free (primary_text);
+ g_free (secondary_text);
+ }
+}
+
+static const GDBusInterfaceVTable interface_vtable =
+{
+ handle_method_call,
+ NULL,
+ NULL
+};
+
+static void
+unregister_objects ()
+{
+ GDBusConnection *system_connection;
+ GError *error = NULL;
+
+ system_connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
+
+ if (npn_registration_id > 0) {
+ g_dbus_connection_unregister_object (system_connection, npn_registration_id);
+ npn_registration_id = 0;
+ }
+
+ if (pdi_registration_id > 0) {
+ g_dbus_connection_unregister_object (system_connection, pdi_registration_id);
+ pdi_registration_id = 0;
+ }
+}
+
+static void
+unown_names ()
+{
+ if (npn_owner_id > 0) {
+ g_bus_unown_name (npn_owner_id);
+ npn_owner_id = 0;
+ }
+
+ if (pdi_owner_id > 0) {
+ g_bus_unown_name (pdi_owner_id);
+ pdi_owner_id = 0;
+ }
+}
+
+static void
+on_npn_bus_acquired (GDBusConnection *connection,
+ const gchar *name,
+ gpointer user_data)
+{
+ GError *error = NULL;
+
+ npn_registration_id = g_dbus_connection_register_object (connection,
+ SCP_DBUS_NPN_PATH,
+ npn_introspection_data->interfaces[0],
+ &interface_vtable,
+ NULL,
+ NULL,
+ &error);
+
+ if (npn_registration_id == 0) {
+ g_warning ("Failed to register object: %s\n", error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+on_pdi_bus_acquired (GDBusConnection *connection,
+ const gchar *name,
+ gpointer user_data)
+{
+ GError *error = NULL;
+
+ pdi_registration_id = g_dbus_connection_register_object (connection,
+ SCP_DBUS_PDI_PATH,
+ pdi_introspection_data->interfaces[0],
+ &interface_vtable,
+ NULL,
+ NULL,
+ &error);
+
+ if (pdi_registration_id == 0) {
+ g_warning ("Failed to register object: %s\n", error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+on_name_acquired (GDBusConnection *connection,
+ const gchar *name,
+ gpointer user_data)
+{
+}
+
+static void
+on_name_lost (GDBusConnection *connection,
+ const gchar *name,
+ gpointer user_data)
+{
+ unregister_objects ();
+}
+
+static void
+session_signal_handler (GDBusConnection *connection,
+ const gchar *sender_name,
+ const gchar *object_path,
+ const gchar *interface_name,
+ const gchar *signal_name,
+ GVariant *parameters,
+ gpointer user_data)
+{
+ guint new_status;
+
+ g_variant_get (parameters, "(u)", &new_status);
+
+ if (new_status == PRESENCE_STATUS_IDLE ||
+ new_status == PRESENCE_STATUS_AVAILABLE) {
+ unregister_objects ();
+ unown_names ();
+
+ if (new_status == PRESENCE_STATUS_AVAILABLE) {
+ npn_owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
+ SCP_DBUS_NPN_NAME,
+ G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
+ G_BUS_NAME_OWNER_FLAGS_REPLACE,
+ on_npn_bus_acquired,
+ on_name_acquired,
+ on_name_lost,
+ NULL,
+ NULL);
+
+ pdi_owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
+ SCP_DBUS_PDI_NAME,
+ G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
+ G_BUS_NAME_OWNER_FLAGS_REPLACE,
+ on_pdi_bus_acquired,
+ on_name_acquired,
+ on_name_lost,
+ NULL,
+ NULL);
+ }
+ }
+}
+
+static void
+client_signal_handler (GDBusConnection *connection,
+ const gchar *sender_name,
+ const gchar *object_path,
+ const gchar *interface_name,
+ const gchar *signal_name,
+ GVariant *parameters,
+ gpointer user_data)
+{
+ GDBusProxy *proxy;
+ GError *error = NULL;
+ GVariant *output;
+
+ if (g_strcmp0 (signal_name, "QueryEndSession") == 0 ||
+ g_strcmp0 (signal_name, "EndSession") == 0) {
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ sender_name,
+ object_path,
+ interface_name,
+ NULL,
+ &error);
+
+ if (proxy) {
+ output = g_dbus_proxy_call_sync (proxy,
+ "EndSessionResponse",
+ g_variant_new ("(bs)", TRUE, ""),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_unref (output);
+ }
+ else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+ }
+ else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ if (g_strcmp0 (signal_name, "EndSession") == 0) {
+ g_main_loop_quit (main_loop);
+ g_debug ("Exiting gsd-printer");
+ }
+ }
+}
+
+static gchar *
+register_gnome_session_client (const gchar *app_id,
+ const gchar *client_startup_id)
+{
+ GDBusProxy *proxy;
+ GVariant *output = NULL;
+ GError *error = NULL;
+ const gchar *client_id = NULL;
+ gchar *result = NULL;
+
+ proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ GNOME_SESSION_DBUS_NAME,
+ GNOME_SESSION_DBUS_PATH,
+ GNOME_SESSION_DBUS_IFACE,
+ NULL,
+ &error);
+
+ if (proxy) {
+ output = g_dbus_proxy_call_sync (proxy,
+ "RegisterClient",
+ g_variant_new ("(ss)", app_id, client_startup_id),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ NULL,
+ &error);
+
+ if (output) {
+ g_variant_get (output, "(o)", &client_id);
+ if (client_id)
+ result = g_strdup (client_id);
+ g_variant_unref (output);
+ }
+ else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (proxy);
+ }
+ else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ return result;
+}
+
+int
+main (int argc, char *argv[])
+{
+ GDBusConnection *connection;
+ gboolean client_signal_subscription_set = FALSE;
+ GError *error = NULL;
+ guint client_signal_subscription_id;
+ guint session_signal_subscription_id;
+ gchar *object_path;
+
+ bindtextdomain (GETTEXT_PACKAGE, GNOME_SETTINGS_LOCALEDIR);
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+ textdomain (GETTEXT_PACKAGE);
+ setlocale (LC_ALL, "");
+
+ npn_registration_id = 0;
+ pdi_registration_id = 0;
+ npn_owner_id = 0;
+ pdi_owner_id = 0;
+
+ notify_init ("gnome-settings-daemon-printer");
+
+ npn_introspection_data =
+ g_dbus_node_info_new_for_xml (npn_introspection_xml, &error);
+
+ if (npn_introspection_data == NULL) {
+ g_warning ("Error parsing introspection XML: %s\n", error->message);
+ g_error_free (error);
+ goto error;
+ }
+
+ pdi_introspection_data =
+ g_dbus_node_info_new_for_xml (pdi_introspection_xml, &error);
+
+ if (pdi_introspection_data == NULL) {
+ g_warning ("Error parsing introspection XML: %s\n", error->message);
+ g_error_free (error);
+ goto error;
+ }
+
+ connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
+
+ session_signal_subscription_id =
+ g_dbus_connection_signal_subscribe (connection,
+ NULL,
+ GNOME_SESSION_PRESENCE_DBUS_IFACE,
+ "StatusChanged",
+ GNOME_SESSION_PRESENCE_DBUS_PATH,
+ NULL,
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ session_signal_handler,
+ NULL,
+ NULL);
+
+ object_path = register_gnome_session_client ("gsd-printer", "");
+ if (object_path) {
+ client_signal_subscription_id =
+ g_dbus_connection_signal_subscribe (connection,
+ NULL,
+ GNOME_SESSION_CLIENT_PRIVATE_DBUS_IFACE,
+ NULL,
+ object_path,
+ NULL,
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ client_signal_handler,
+ NULL,
+ NULL);
+ client_signal_subscription_set = TRUE;
+ }
+
+ if (npn_owner_id == 0)
+ npn_owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
+ SCP_DBUS_NPN_NAME,
+ G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
+ G_BUS_NAME_OWNER_FLAGS_REPLACE,
+ on_npn_bus_acquired,
+ on_name_acquired,
+ on_name_lost,
+ NULL,
+ NULL);
+
+ if (pdi_owner_id == 0)
+ pdi_owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
+ SCP_DBUS_PDI_NAME,
+ G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
+ G_BUS_NAME_OWNER_FLAGS_REPLACE,
+ on_pdi_bus_acquired,
+ on_name_acquired,
+ on_name_lost,
+ NULL,
+ NULL);
+
+ main_loop = g_main_loop_new (NULL, FALSE);
+ g_main_loop_run (main_loop);
+
+ unregister_objects ();
+ unown_names ();
+
+ if (client_signal_subscription_set)
+ g_dbus_connection_signal_unsubscribe (connection, client_signal_subscription_id);
+ g_dbus_connection_signal_unsubscribe (connection, session_signal_subscription_id);
+
+ g_free (object_path);
+
+ g_dbus_node_info_unref (npn_introspection_data);
+ g_dbus_node_info_unref (pdi_introspection_data);
+
+ return 0;
+
+error:
+
+ if (npn_introspection_data)
+ g_dbus_node_info_unref (npn_introspection_data);
+
+ if (pdi_introspection_data)
+ g_dbus_node_info_unref (pdi_introspection_data);
+
+ return 1;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 16:01:55 +0000