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authorStefano Karapetsas <[email protected]>2013-10-17 16:26:20 +0200
committerStefano Karapetsas <[email protected]>2013-10-17 16:26:20 +0200
commit774fa628467f394b3afe36bc785562b0049d122c (patch)
tree6cdb4d7d93cc2d05be6a02befd3dae1358e49338 /gksu/libcaja-gksu.c
parent9494745d46fe20b0d3ca20e3d23a926b34ed7a08 (diff)
downloadcaja-extensions-774fa628467f394b3afe36bc785562b0049d122c.tar.bz2
caja-extensions-774fa628467f394b3afe36bc785562b0049d122c.tar.xz
Add gksu extension
Diffstat (limited to 'gksu/libcaja-gksu.c')
-rw-r--r--gksu/libcaja-gksu.c281
1 files changed, 281 insertions, 0 deletions
diff --git a/gksu/libcaja-gksu.c b/gksu/libcaja-gksu.c
new file mode 100644
index 0000000..18c8db1
--- /dev/null
+++ b/gksu/libcaja-gksu.c
@@ -0,0 +1,281 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <pthread.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <gio/gio.h>
+#include <libcaja-extension/caja-extension-types.h>
+#include <libcaja-extension/caja-menu-provider.h>
+
+#include "../config.h"
+
+#include <libintl.h>
+#define _(x) dgettext (GETTEXT_PACKAGE, x)
+
+#define GKSU_TYPE_CONTEXT_MENU (gksu_context_menu_get_type ())
+#define GKSU_CONTEXT_MENU(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GKSU_TYPE_CONTEXT_MENU))
+
+typedef struct {
+ GObject parent;
+} GksuContextMenu;
+
+typedef struct {
+ GObjectClass parent_class;
+} GksuContextMenuClass;
+
+static GType gksucm_type = 0;
+static GObjectClass *parent_class = NULL;
+
+static void
+gksu_context_menu_init (GksuContextMenu *self);
+static void
+gksu_context_menu_class_init (GksuContextMenuClass *class);
+static void
+menu_provider_iface_init (CajaMenuProviderIface *iface);
+
+static GList*
+gksu_context_menu_get_file_items (CajaMenuProvider *provider,
+ GtkWidget *window,
+ GList *files);
+static void
+gksu_context_menu_activate (CajaMenuItem *item,
+ CajaFileInfo *file);
+
+static GType
+gksu_context_menu_get_type (void)
+{
+ return gksucm_type;
+}
+
+static void
+gksu_context_menu_register_type (GTypeModule *module)
+{
+ static const GTypeInfo info = {
+ sizeof (GksuContextMenuClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) gksu_context_menu_class_init,
+ NULL,
+ NULL,
+ sizeof (GksuContextMenu),
+ 0,
+ (GInstanceInitFunc) gksu_context_menu_init
+ };
+ static const GInterfaceInfo menu_provider_iface_info = {
+ (GInterfaceInitFunc)menu_provider_iface_init,
+ NULL,
+ NULL
+ };
+
+ gksucm_type = g_type_module_register_type (module,
+ G_TYPE_OBJECT,
+ "GksuContextMenu",
+ &info, 0);
+ g_type_module_add_interface (module,
+ gksucm_type,
+ CAJA_TYPE_MENU_PROVIDER,
+ &menu_provider_iface_info);
+}
+
+static void
+gksu_context_menu_class_init (GksuContextMenuClass *class)
+{
+ parent_class = g_type_class_peek_parent (class);
+}
+
+static void menu_provider_iface_init (CajaMenuProviderIface *iface)
+{
+ iface->get_file_items = gksu_context_menu_get_file_items;
+}
+
+static void
+gksu_context_menu_init (GksuContextMenu *self)
+{
+ g_message ("Initializing gksu extension...");
+}
+
+static GList *
+gksu_context_menu_get_file_items (CajaMenuProvider *provider,
+ GtkWidget *window,
+ GList *files)
+{
+ GList *items = NULL;
+ CajaFileInfo *file;
+ CajaMenuItem *item;
+
+ /* if we're already root, really or effectively, do not add
+ the menu item */
+ if (geteuid () == 0)
+ return NULL;
+
+ /* only add a menu item if a single file is selected ... */
+ if (files == NULL || files->next != NULL)
+ return NULL;
+
+ file = files->data;
+
+ /* ... and if it is not a caja special item */
+ {
+ gchar *uri_scheme = NULL;
+
+ uri_scheme = caja_file_info_get_uri_scheme (file);
+ if (!strncmp (uri_scheme, "x-caja-desktop", 18))
+ {
+ g_free (uri_scheme);
+ return NULL;
+ }
+ g_free (uri_scheme);
+ }
+
+ /* create the context menu item */
+ item = caja_menu_item_new ("Gksu::open_as_root",
+ _("Open as administrator"),
+ _("Opens the file with administrator privileges"),
+ NULL);
+ g_signal_connect_object (item, "activate",
+ G_CALLBACK (gksu_context_menu_activate),
+ file, 0);
+ items = g_list_prepend (items, item);
+
+ return items;
+}
+
+gboolean
+is_gksu_dead (gpointer data)
+{
+ GPid pid = GPOINTER_TO_INT(data);
+ if (waitpid (pid, NULL, WNOHANG) > 0)
+ return FALSE;
+ return TRUE;
+}
+
+static void*
+start_gksu_thread (void *data)
+{
+ GPid pid;
+ gchar **argv = (gchar**) g_malloc (sizeof (gchar*) * 3);
+ gchar *full_cmd = (gchar*) data;
+
+ argv[0] = g_strdup ("gksu");
+ argv[1] = full_cmd;
+ argv[2] = NULL;
+
+ g_spawn_async (NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
+ &pid, NULL);
+ g_timeout_add (5000, is_gksu_dead, GINT_TO_POINTER(pid));
+
+ g_free (argv[0]);
+ g_free (full_cmd);
+ g_free (argv);
+
+ return NULL;
+}
+
+static void
+gksu_context_menu_activate (CajaMenuItem *item,
+ CajaFileInfo *file)
+{
+ gchar *uri = NULL;
+ gchar *mime_type = NULL;
+ gchar *cmd = NULL;
+ gchar *full_cmd = NULL;
+ gchar *tmp = NULL;
+ gboolean is_desktop = FALSE;
+
+ uri = caja_file_info_get_uri (file);
+ mime_type = caja_file_info_get_mime_type (file);
+
+ if (!strcmp (mime_type, "application/x-desktop"))
+ { /* we're handling a .desktop file */
+ GKeyFile *key_file = g_key_file_new ();
+ gint retval = 0;
+
+ is_desktop = TRUE;
+
+ gchar *file_path = g_filename_from_uri (uri, NULL, NULL);
+ retval = g_key_file_load_from_file (key_file, file_path, 0, NULL);
+ g_free (file_path);
+
+ if (retval)
+ cmd = g_key_file_get_string (key_file, "Desktop Entry", "Exec", NULL);
+ g_key_file_free (key_file);
+ }
+ else
+ {
+ GAppInfo *app_info = g_app_info_get_default_for_type (mime_type, strncmp (uri, "file://", 7));
+ if (app_info)
+ {
+ cmd = g_strdup (g_app_info_get_executable (app_info));
+ g_object_unref (app_info);
+ }
+ }
+
+ if (cmd == NULL)
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new_with_markup (NULL, 0,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ _("<big><b>"
+ "Unable to determine the program to run."
+ "</b></big>\n\n"
+ "The item you selected cannot be open with "
+ "administrator powers because the correct "
+ "application cannot be determined."));
+ gtk_dialog_run (GTK_DIALOG(dialog));
+ gtk_widget_destroy (dialog);
+ return;
+ }
+
+ /*
+ * FIXME: remove any FreeDesktop substitution variable for now; we
+ * need to process them!
+ */
+ tmp = strstr (cmd, "%");
+ if (tmp)
+ *tmp = '\0';
+
+ if (is_desktop)
+ full_cmd = cmd;
+ else
+ {
+ full_cmd = g_strdup_printf ("%s '%s'", cmd, uri);
+ g_free (cmd);
+ }
+
+ {
+ pthread_t new_thread;
+ pthread_create (&new_thread, NULL, start_gksu_thread, (void*)full_cmd);
+ }
+
+ /* full_cmd is freed by start_gksu_thread */
+ g_free (uri);
+ g_free (mime_type);
+}
+
+/* --- extension interface --- */
+void
+caja_module_initialize (GTypeModule *module)
+{
+ gksu_context_menu_register_type (module);
+}
+
+void
+caja_module_shutdown (void)
+{
+}
+
+void
+caja_module_list_types (const GType **types,
+ int *num_types)
+{
+ static GType type_list[1];
+
+ type_list[0] = GKSU_TYPE_CONTEXT_MENU;
+ *types = type_list;
+ *num_types = G_N_ELEMENTS (type_list);
+}