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diff -Nur -x '*.orig' -x '*~' ssh-askpass-fullscreen-0.3/gtk2-ssh-askpass.c ssh-askpass-fullscreen-0.3.new/gtk2-ssh-askpass.c
--- ssh-askpass-fullscreen-0.3/gtk2-ssh-askpass.c 2009-09-27 02:59:10.000000000 +0200
+++ ssh-askpass-fullscreen-0.3.new/gtk2-ssh-askpass.c 2009-09-27 02:59:37.000000000 +0200
@@ -33,6 +33,9 @@
*
*/
+#define GRAB_TRIES 16
+#define GRAB_WAIT 250 /* milliseconds */
+
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -117,6 +120,30 @@
GtkWidget *window, *label, *entry;
gint result;
+gint grab_server, grab_pointer;
+
+static void
+report_failed_grab (const char *what)
+{
+ GtkWidget *err;
+
+ err = gtk_message_dialog_new(NULL, 0,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "Could not grab %s. "
+ "A malicious client may be eavesdropping "
+ "on your session.", what);
+ gtk_window_set_position(GTK_WINDOW(err), GTK_WIN_POS_CENTER);
+ gtk_label_set_line_wrap(GTK_LABEL((GTK_MESSAGE_DIALOG(err))->label),
+ TRUE);
+
+ gtk_dialog_run(GTK_DIALOG(err));
+
+ gtk_widget_destroy(err);
+}
+
+
+
static GdkPixbuf *
create_tile_pixbuf (GdkPixbuf *dest_pixbuf,
@@ -187,12 +214,19 @@
void
enter_callback(GtkWidget *widget,
- GtkWidget *entryw)
+ GtkWidget *entryw)
{
const gchar *passphrase;
passphrase = gtk_entry_get_text(GTK_ENTRY(entryw));
+
+ if (grab_server)
+ XUngrabServer(GDK_DISPLAY());
+ if (grab_pointer)
+ gdk_pointer_ungrab(GDK_CURRENT_TIME);
+ gdk_keyboard_ungrab(GDK_CURRENT_TIME);
+ gdk_flush();
- if (result == 0)
+ if (result == 0) /* result is always == 0, what this check is for? */
puts(passphrase);
memset((void*)passphrase, '\0', strlen(passphrase));
@@ -205,34 +239,39 @@
passphrase_dialog(char *message)
{
gchar **messages;
- gint grab_server, grab_pointer;
+
GtkWidget *frame, *align, *vbox, *hbox;
GdkPixbuf *tmp_pixbuf, *pixbuf, *tile_pixbuf;
GdkPixmap *pixmap;
GdkRectangle rect;
GdkColor color;
gchar *str;
+ GdkGrabStatus status;
+ int kbd_grab_tries = 0;
+ int mouse_grab_tries = 0;
+ const char *failed;
+
grab_server = (getenv("GNOME_SSH_ASKPASS_GRAB_SERVER") != NULL);
grab_pointer = (getenv("GNOME_SSH_ASKPASS_GRAB_POINTER") != NULL);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window),
- gdk_screen_width(),
- gdk_screen_height());
+ gdk_screen_width(),
+ gdk_screen_height());
gtk_widget_set_app_paintable(GTK_WIDGET(window), TRUE);
gtk_widget_realize(GTK_WIDGET(window));
tmp_pixbuf = gdk_pixbuf_get_from_drawable(NULL,
- gdk_get_default_root_window(),
- gdk_colormap_get_system(),
- 0,
- 0,
- 0,
- 0,
- gdk_screen_width(),
- gdk_screen_height());
+ gdk_get_default_root_window(),
+ gdk_colormap_get_system(),
+ 0,
+ 0,
+ 0,
+ 0,
+ gdk_screen_width(),
+ gdk_screen_height());
pixbuf = gdk_pixbuf_new_from_xpm_data(ocean_stripes);
@@ -246,46 +285,46 @@
color.green = 0;
tile_pixbuf = create_tile_pixbuf(NULL,
- pixbuf,
- &rect,
- 155,
- &color);
-
+ pixbuf,
+ &rect,
+ 155,
+ &color);
+
g_object_unref(pixbuf);
gdk_pixbuf_composite(tile_pixbuf,
- tmp_pixbuf,
- 0,
- 0,
- gdk_screen_width(),
- gdk_screen_height(),
- 0,
- 0,
- 1,
- 1,
- GDK_INTERP_NEAREST,
- 200);
+ tmp_pixbuf,
+ 0,
+ 0,
+ gdk_screen_width(),
+ gdk_screen_height(),
+ 0,
+ 0,
+ 1,
+ 1,
+ GDK_INTERP_NEAREST,
+ 200);
g_object_unref(tile_pixbuf);
pixmap = gdk_pixmap_new(GTK_WIDGET(window)->window,
- gdk_screen_width(),
- gdk_screen_height(),
- -1);
+ gdk_screen_width(),
+ gdk_screen_height(),
+ -1);
gdk_pixbuf_render_to_drawable_alpha(tmp_pixbuf,
- pixmap,
- 0,
- 0,
- 0,
- 0,
- gdk_screen_width(),
- gdk_screen_height(),
- GDK_PIXBUF_ALPHA_BILEVEL,
- 0,
- GDK_RGB_DITHER_NONE,
- 0,
- 0);
+ pixmap,
+ 0,
+ 0,
+ 0,
+ 0,
+ gdk_screen_width(),
+ gdk_screen_height(),
+ GDK_PIXBUF_ALPHA_BILEVEL,
+ 0,
+ GDK_RGB_DITHER_NONE,
+ 0,
+ 0);
g_object_unref(tmp_pixbuf);
@@ -336,21 +375,38 @@
gtk_window_fullscreen(GTK_WINDOW(window));
#endif
- gtk_widget_show(GTK_WIDGET(window));
-
- if (grab_server)
- XGrabServer(GDK_DISPLAY());
- if (grab_pointer && gdk_pointer_grab(window->window, TRUE, 0,
- NULL, NULL, GDK_CURRENT_TIME))
- goto nograb;
-
- if (gdk_keyboard_grab(window->window, FALSE, GDK_CURRENT_TIME))
- goto nograbkb;
+ gtk_widget_show(GTK_WIDGET(window));
+
+ /* Grab focus */
+ if (grab_pointer) {
+ for(;;) {
+ status = gdk_pointer_grab(window->window, TRUE,
+ 0, NULL, NULL, GDK_CURRENT_TIME);
+ if (status == GDK_GRAB_SUCCESS)
+ break;
+ usleep(GRAB_WAIT * 1000);
+ if (++mouse_grab_tries > GRAB_TRIES) {
+ failed = "mouse";
+ goto nograb;
+ }
+ }
+ }
- if (grab_server)
- XUngrabServer(GDK_DISPLAY());
- if (grab_pointer)
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
+ for(;;) {
+ status = gdk_keyboard_grab(gtk_widget_get_window(window), FALSE,
+ GDK_CURRENT_TIME);
+ if (status == GDK_GRAB_SUCCESS)
+ break;
+ usleep(GRAB_WAIT * 1000);
+ if (++kbd_grab_tries > GRAB_TRIES) {
+ failed = "keyboard";
+ goto nograbkb;
+ }
+ }
+ if (grab_server) {
+ gdk_x11_grab_server();
+ }
+
return;
@@ -361,9 +417,14 @@
nograb:
if (grab_server)
XUngrabServer(GDK_DISPLAY());
-
+
+ report_failed_grab(failed);
+
+ gtk_main_quit();
}
+
+
int
main(int argc, char **argv)
{
|
