/* lock.c --- handling the password dialog for locking-mode.
- * xscreensaver, Copyright (c) 1993-1998 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1993-2004 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
# include "config.h"
#endif
-#ifndef NO_LOCKING /* whole file */
-
#include <X11/Intrinsic.h>
+#include <X11/Xos.h> /* for time() */
+#include <time.h>
+#include <sys/time.h>
#include "xscreensaver.h"
#include "resources.h"
+#ifndef NO_LOCKING /* (mostly) whole file */
+
+#ifdef HAVE_SYSLOG
+# include <syslog.h>
+#endif /* HAVE_SYSLOG */
+
+#ifdef HAVE_XHPDISABLERESET
+# include <X11/XHPlib.h>
+ static void hp_lock_reset (saver_info *si, Bool lock_p);
+#endif /* HAVE_XHPDISABLERESET */
+
+#ifdef HAVE_VT_LOCKSWITCH
+# include <fcntl.h>
+# include <sys/ioctl.h>
+# include <sys/vt.h>
+ static void linux_lock_vt_switch (saver_info *si, Bool lock_p);
+#endif /* HAVE_VT_LOCKSWITCH */
+
+#ifdef HAVE_XF86VMODE
+# include <X11/extensions/xf86vmode.h>
+ static void xfree_lock_mode_switch (saver_info *si, Bool lock_p);
+#endif /* HAVE_XF86VMODE */
+
+#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
+# include <X11/extensions/xf86misc.h>
+ static void xfree_lock_grab_smasher (saver_info *si, Bool lock_p);
+#endif /* HAVE_XF86MISCSETGRABKEYSSTATE */
+
+
#ifdef _VROOT_H_
ERROR! You must not include vroot.h in this file.
#endif
extern int validate_user(char *name, char *password);
static Bool
-vms_passwd_valid_p(char *pw)
+vms_passwd_valid_p(char *pw, Bool verbose_p)
{
return (validate_user (getenv("USER"), typed_passwd) == 1);
}
#undef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
-enum passwd_state { pw_read, pw_ok, pw_fail, pw_cancel, pw_time };
+enum passwd_state { pw_read, pw_ok, pw_null, pw_fail, pw_cancel, pw_time };
struct passwd_dialog_data {
+ saver_screen_info *prompt_screen;
+ int previous_mouse_x, previous_mouse_y;
+
enum passwd_state state;
char typed_passwd [80];
XtIntervalId timer;
int i_beam;
float ratio;
+ Position x, y;
Dimension width;
Dimension height;
+ Dimension border_width;
char *heading_label;
char *body_label;
char *user_label;
char *passwd_label;
+ char *date_label;
char *user_string;
char *passwd_string;
XFontStruct *body_font;
XFontStruct *label_font;
XFontStruct *passwd_font;
+ XFontStruct *date_font;
Pixel foreground;
Pixel background;
Pixel passwd_foreground;
Pixel passwd_background;
- Pixel logo_foreground;
- Pixel logo_background;
+ Pixel thermo_foreground;
+ Pixel thermo_background;
Pixel shadow_top;
Pixel shadow_bottom;
Dimension thermo_field_x, thermo_field_y;
Dimension thermo_field_height;
+
+ Pixmap logo_pixmap;
+ int logo_npixels;
+ unsigned long *logo_pixels;
+
+ Pixmap save_under;
};
+static void draw_passwd_window (saver_info *si);
+static void update_passwd_window (saver_info *si, const char *printed_passwd,
+ float ratio);
+static void destroy_passwd_window (saver_info *si);
+static void undo_vp_motion (saver_info *si);
-void
+
+static void
make_passwd_window (saver_info *si)
{
struct passwd *p = getpwuid (getuid ());
- int x, y, bw;
XSetWindowAttributes attrs;
unsigned long attrmask = 0;
- Screen *screen = si->default_screen->screen;
passwd_dialog_data *pw = (passwd_dialog_data *) calloc (1, sizeof(*pw));
- Colormap cmap = DefaultColormapOfScreen (screen);
+ Screen *screen;
+ Colormap cmap;
char *f;
+ saver_screen_info *ssi = &si->screens [mouse_screen (si)];
+
+ pw->prompt_screen = ssi;
+ if (si->prefs.verbose_p)
+ fprintf (stderr, "%s: %d: creating password dialog.\n",
+ blurb(), pw->prompt_screen->number);
+
+ screen = pw->prompt_screen->screen;
+ cmap = DefaultColormapOfScreen (screen);
pw->ratio = 1.0;
"Dialog.Label.Label");
pw->passwd_label = get_string_resource ("passwd.passwd.label",
"Dialog.Label.Label");
+ pw->date_label = get_string_resource ("dateFormat", "DateFormat");
if (!pw->heading_label)
pw->heading_label = strdup("ERROR: REESOURCES NOT INSTALLED CORRECTLY");
pw->body_label = strdup("ERROR: REESOURCES NOT INSTALLED CORRECTLY");
if (!pw->user_label) pw->user_label = strdup("ERROR");
if (!pw->passwd_label) pw->passwd_label = strdup("ERROR");
+ if (!pw->date_label) pw->date_label = strdup("ERROR");
/* Put the version number in the label. */
{
pw->heading_label = s;
}
- pw->user_string = (p->pw_name ? p->pw_name : "???");
+ pw->user_string = strdup (p && p->pw_name ? p->pw_name : "???");
pw->passwd_string = strdup("");
f = get_string_resource ("passwd.headingFont", "Dialog.Font");
if (!pw->passwd_font) pw->passwd_font = XLoadQueryFont (si->dpy, "fixed");
if (f) free (f);
+ f = get_string_resource("passwd.dateFont", "Dialog.Font");
+ pw->date_font = XLoadQueryFont (si->dpy, (f ? f : "fixed"));
+ if (!pw->date_font) pw->date_font = XLoadQueryFont (si->dpy, "fixed");
+ if (f) free (f);
+
pw->foreground = get_pixel_resource ("passwd.foreground",
"Dialog.Foreground",
si->dpy, cmap);
pw->passwd_background = get_pixel_resource ("passwd.text.background",
"Dialog.Text.Background",
si->dpy, cmap);
- pw->logo_foreground = get_pixel_resource ("passwd.logo.foreground",
- "Dialog.Logo.Foreground",
- si->dpy, cmap);
- pw->logo_background = get_pixel_resource ("passwd.logo.background",
- "Dialog.Logo.Background",
- si->dpy, cmap);
+ pw->thermo_foreground = get_pixel_resource ("passwd.thermometer.foreground",
+ "Dialog.Thermometer.Foreground",
+ si->dpy, cmap);
+ pw->thermo_background = get_pixel_resource ("passwd.thermometer.background",
+ "Dialog.Thermometer.Background",
+ si->dpy, cmap);
pw->shadow_top = get_pixel_resource ("passwd.topShadowColor",
"Dialog.Foreground",
si->dpy, cmap);
attrmask |= CWOverrideRedirect; attrs.override_redirect = True;
attrmask |= CWEventMask; attrs.event_mask = ExposureMask|KeyPressMask;
+ /* We need to remember the mouse position and restore it afterward, or
+ sometimes (perhaps only with Xinerama?) the mouse gets warped to
+ inside the bounds of the lock dialog window.
+ */
+ {
+ Window pointer_root, pointer_child;
+ int root_x, root_y, win_x, win_y;
+ unsigned int mask;
+ pw->previous_mouse_x = 0;
+ pw->previous_mouse_y = 0;
+ if (XQueryPointer (si->dpy, RootWindowOfScreen (pw->prompt_screen->screen),
+ &pointer_root, &pointer_child,
+ &root_x, &root_y, &win_x, &win_y, &mask))
+ {
+ pw->previous_mouse_x = root_x;
+ pw->previous_mouse_y = root_y;
+ if (si->prefs.verbose_p)
+ fprintf (stderr, "%s: %d: mouse is at %d,%d.\n",
+ blurb(), pw->prompt_screen->number,
+ pw->previous_mouse_x, pw->previous_mouse_y);
+ }
+ else if (si->prefs.verbose_p)
+ fprintf (stderr, "%s: %d: unable to determine mouse position?\n",
+ blurb(), pw->prompt_screen->number);
+ }
+
+ /* Figure out where on the desktop to place the window so that it will
+ actually be visible; this takes into account virtual viewports as
+ well as Xinerama. */
{
- Dimension w = WidthOfScreen(screen);
- Dimension h = HeightOfScreen(screen);
+ int x, y, w, h;
+ get_screen_viewport (pw->prompt_screen, &x, &y, &w, &h,
+ pw->previous_mouse_x, pw->previous_mouse_y,
+ si->prefs.verbose_p);
if (si->prefs.debug_p) w /= 2;
- x = ((w + pw->width) / 2) - pw->width;
- y = ((h + pw->height) / 2) - pw->height;
- if (x < 0) x = 0;
- if (y < 0) y = 0;
+ pw->x = x + ((w + pw->width) / 2) - pw->width;
+ pw->y = y + ((h + pw->height) / 2) - pw->height;
+ if (pw->x < x) pw->x = x;
+ if (pw->y < y) pw->y = y;
}
- bw = get_integer_resource ("passwd.borderWidth", "Dialog.BorderWidth");
+ pw->border_width = get_integer_resource ("passwd.borderWidth",
+ "Dialog.BorderWidth");
si->passwd_dialog =
XCreateWindow (si->dpy,
RootWindowOfScreen(screen),
- x, y, pw->width, pw->height, bw,
+ pw->x, pw->y, pw->width, pw->height, pw->border_width,
DefaultDepthOfScreen (screen), InputOutput,
DefaultVisualOfScreen(screen),
attrmask, &attrs);
XSetWindowBackground (si->dpy, si->passwd_dialog, pw->background);
+ /* We use the default visual, not ssi->visual, so that the logo pixmap's
+ visual matches that of the si->passwd_dialog window. */
+ pw->logo_pixmap = xscreensaver_logo (ssi->screen,
+ /* ssi->current_visual, */
+ DefaultVisualOfScreen(screen),
+ si->passwd_dialog, cmap,
+ pw->background,
+ &pw->logo_pixels, &pw->logo_npixels,
+ 0, True);
+
+ /* Before mapping the window, save the bits that are underneath the
+ rectangle the window will occlude. When we lower the window, we
+ restore these bits. This works, because the running screenhack
+ has already been sent SIGSTOP, so we know nothing else is drawing
+ right now! */
+ {
+ XGCValues gcv;
+ GC gc;
+ pw->save_under = XCreatePixmap (si->dpy,
+ pw->prompt_screen->screensaver_window,
+ pw->width + (pw->border_width*2) + 1,
+ pw->height + (pw->border_width*2) + 1,
+ pw->prompt_screen->current_depth);
+ gcv.function = GXcopy;
+ gc = XCreateGC (si->dpy, pw->save_under, GCFunction, &gcv);
+ XCopyArea (si->dpy, pw->prompt_screen->screensaver_window,
+ pw->save_under, gc,
+ pw->x - pw->border_width, pw->y - pw->border_width,
+ pw->width + (pw->border_width*2) + 1,
+ pw->height + (pw->border_width*2) + 1,
+ 0, 0);
+ XFreeGC (si->dpy, gc);
+ }
+
XMapRaised (si->dpy, si->passwd_dialog);
XSync (si->dpy, False);
+ move_mouse_grab (si, si->passwd_dialog,
+ pw->prompt_screen->cursor,
+ pw->prompt_screen->number);
+ undo_vp_motion (si);
+
si->pw_data = pw;
+ if (cmap)
+ XInstallColormap (si->dpy, cmap);
draw_passwd_window (si);
XSync (si->dpy, False);
}
-void
+static void
draw_passwd_window (saver_info *si)
{
passwd_dialog_data *pw = si->pw_data;
pw->body_font->ascent + pw->body_font->descent +
(2 * MAX ((pw->label_font->ascent + pw->label_font->descent),
(pw->passwd_font->ascent + pw->passwd_font->descent +
- (pw->shadow_width * 4)))));
+ (pw->shadow_width * 4)))) +
+ pw->date_font->ascent + pw->date_font->descent
+ );
spacing = ((pw->height - (2 * pw->shadow_width) -
pw->internal_border - height)) / 8;
if (spacing < 0) spacing = 0;
pw->shadow_width,
pw->shadow_bottom, pw->shadow_top);
- /* the logo
+
+ /* The date, below the text fields
*/
- XSetForeground (si->dpy, gc1, pw->logo_foreground);
- XSetForeground (si->dpy, gc2, pw->logo_background);
+ {
+ char buf[100];
+ time_t now = time ((time_t *) 0);
+ struct tm *tm = localtime (&now);
+ memset (buf, 0, sizeof(buf));
+ strftime (buf, sizeof(buf)-1, pw->date_label, tm);
+
+ XSetFont (si->dpy, gc1, pw->date_font->fid);
+ y1 += pw->shadow_width;
+ y1 += (spacing + tb_height);
+ y1 += spacing/2;
+ sw = string_width (pw->date_font, buf);
+ x2 = x1 + x2 - sw;
+ XDrawString (si->dpy, si->passwd_dialog, gc1, x2, y1, buf, strlen(buf));
+ }
- x1 = pw->shadow_width * 3;
- y1 = pw->shadow_width * 3;
- x2 = pw->logo_width - (pw->shadow_width * 6);
- y2 = pw->logo_height - (pw->shadow_width * 6);
- XFillRectangle (si->dpy, si->passwd_dialog, gc2, x1, y1, x2, y2);
- skull (si->dpy, si->passwd_dialog, gc1, gc2,
- x1 + pw->shadow_width, y1 + pw->shadow_width,
- x2 - (pw->shadow_width * 2), y2 - (pw->shadow_width * 2));
+ /* The logo
+ */
+ x1 = pw->shadow_width * 6;
+ y1 = pw->shadow_width * 6;
+ x2 = pw->logo_width - (pw->shadow_width * 12);
+ y2 = pw->logo_height - (pw->shadow_width * 12);
+
+ if (pw->logo_pixmap)
+ {
+ Window root;
+ int x, y;
+ unsigned int w, h, bw, d;
+ XGetGeometry (si->dpy, pw->logo_pixmap, &root, &x, &y, &w, &h, &bw, &d);
+ XSetForeground (si->dpy, gc1, pw->foreground);
+ XSetBackground (si->dpy, gc1, pw->background);
+ if (d == 1)
+ XCopyPlane (si->dpy, pw->logo_pixmap, si->passwd_dialog, gc1,
+ 0, 0, w, h,
+ x1 + ((x2 - (int)w) / 2),
+ y1 + ((y2 - (int)h) / 2),
+ 1);
+ else
+ XCopyArea (si->dpy, pw->logo_pixmap, si->passwd_dialog, gc1,
+ 0, 0, w, h,
+ x1 + ((x2 - (int)w) / 2),
+ y1 + ((y2 - (int)h) / 2));
+ }
/* The thermometer
*/
+ XSetForeground (si->dpy, gc1, pw->thermo_foreground);
+ XSetForeground (si->dpy, gc2, pw->thermo_background);
+
pw->thermo_field_x = pw->logo_width + pw->shadow_width;
- pw->thermo_field_y = pw->shadow_width * 3;
- pw->thermo_field_height = pw->height - (pw->shadow_width * 6);
+ pw->thermo_field_y = pw->shadow_width * 5;
+ pw->thermo_field_height = pw->height - (pw->shadow_width * 10);
+#if 0
/* Solid border inside the logo box. */
XSetForeground (si->dpy, gc1, pw->foreground);
XDrawRectangle (si->dpy, si->passwd_dialog, gc1, x1, y1, x2-1, y2-1);
+#endif
/* The shadow around the logo
*/
draw_shaded_rectangle (si->dpy, si->passwd_dialog,
- pw->shadow_width * 2,
- pw->shadow_width * 2,
- pw->logo_width - (pw->shadow_width * 4),
- pw->logo_height - (pw->shadow_width * 4),
+ pw->shadow_width * 4,
+ pw->shadow_width * 4,
+ pw->logo_width - (pw->shadow_width * 8),
+ pw->logo_height - (pw->shadow_width * 8),
pw->shadow_width,
pw->shadow_bottom, pw->shadow_top);
*/
draw_shaded_rectangle (si->dpy, si->passwd_dialog,
pw->logo_width,
- pw->shadow_width * 2,
+ pw->shadow_width * 4,
pw->thermo_width + (pw->shadow_width * 2),
- pw->height - (pw->shadow_width * 4),
+ pw->height - (pw->shadow_width * 8),
pw->shadow_width,
pw->shadow_bottom, pw->shadow_top);
+#if 1
/* Solid border inside the thermometer. */
XSetForeground (si->dpy, gc1, pw->foreground);
XDrawRectangle (si->dpy, si->passwd_dialog, gc1,
- pw->logo_width + pw->shadow_width,
- pw->shadow_width * 3,
- pw->thermo_width - 1,
- pw->height - (pw->shadow_width * 6) - 1);
+ pw->thermo_field_x, pw->thermo_field_y,
+ pw->thermo_width - 1, pw->thermo_field_height - 1);
+#endif
/* The shadow around the whole window
*/
}
-void
+static void
update_passwd_window (saver_info *si, const char *printed_passwd, float ratio)
{
passwd_dialog_data *pw = si->pw_data;
XGCValues gcv;
GC gc1, gc2;
int x, y;
+ XRectangle rects[1];
pw->ratio = ratio;
gcv.foreground = pw->passwd_foreground;
/* the "password" text field
*/
+ rects[0].x = pw->passwd_field_x;
+ rects[0].y = pw->passwd_field_y;
+ rects[0].width = pw->passwd_field_width;
+ rects[0].height = pw->passwd_field_height;
+
XFillRectangle (si->dpy, si->passwd_dialog, gc2,
- pw->passwd_field_x, pw->passwd_field_y,
- pw->passwd_field_width, pw->passwd_field_height);
+ rects[0].x, rects[0].y, rects[0].width, rects[0].height);
+
+ XSetClipRectangles (si->dpy, gc1, 0, 0, rects, 1, Unsorted);
+
XDrawString (si->dpy, si->passwd_dialog, gc1,
- pw->passwd_field_x + pw->shadow_width,
- pw->passwd_field_y + (pw->passwd_font->ascent +
- pw->passwd_font->descent),
- pw->passwd_string, strlen(pw->passwd_string));
+ rects[0].x + pw->shadow_width,
+ rects[0].y + (pw->passwd_font->ascent +
+ pw->passwd_font->descent),
+ pw->passwd_string, strlen(pw->passwd_string));
+
+ XSetClipMask (si->dpy, gc1, None);
/* The I-beam
*/
if (pw->i_beam != 0)
{
- x = (pw->passwd_field_x + pw->shadow_width +
+ x = (rects[0].x + pw->shadow_width +
string_width (pw->passwd_font, pw->passwd_string));
- y = pw->passwd_field_y + pw->shadow_width;
+ y = rects[0].y + pw->shadow_width;
+
+ if (x > rects[0].x + rects[0].width - 1)
+ x = rects[0].x + rects[0].width - 1;
XDrawLine (si->dpy, si->passwd_dialog, gc1,
x, y, x, y + pw->passwd_font->ascent);
}
/* the thermometer
*/
- y = pw->thermo_field_height * (1.0 - pw->ratio);
+ y = (pw->thermo_field_height - 2) * (1.0 - pw->ratio);
if (y > 0)
{
XFillRectangle (si->dpy, si->passwd_dialog, gc2,
pw->thermo_field_y + 1,
pw->thermo_width-2,
y);
- XSetForeground (si->dpy, gc1, pw->logo_foreground);
+ XSetForeground (si->dpy, gc1, pw->thermo_foreground);
XFillRectangle (si->dpy, si->passwd_dialog, gc1,
pw->thermo_field_x + 1,
pw->thermo_field_y + 1 + y,
}
-void
+static void
destroy_passwd_window (saver_info *si)
{
+ saver_preferences *p = &si->prefs;
passwd_dialog_data *pw = si->pw_data;
- Screen *screen = si->default_screen->screen;
- Colormap cmap = DefaultColormapOfScreen (screen);
- Pixel black = BlackPixelOfScreen (screen);
- Pixel white = WhitePixelOfScreen (screen);
+ saver_screen_info *ssi = pw->prompt_screen;
+ Colormap cmap = DefaultColormapOfScreen (ssi->screen);
+ Pixel black = BlackPixelOfScreen (ssi->screen);
+ Pixel white = WhitePixelOfScreen (ssi->screen);
+ XEvent event;
+
+ memset (pw->typed_passwd, 0, sizeof(pw->typed_passwd));
+ memset (pw->passwd_string, 0, strlen(pw->passwd_string));
if (pw->timer)
XtRemoveTimeOut (pw->timer);
+ move_mouse_grab (si, RootWindowOfScreen (ssi->screen),
+ ssi->cursor, ssi->number);
+
+ if (p->verbose_p)
+ fprintf (stderr, "%s: %d: moving mouse back to %d,%d.\n",
+ blurb(), ssi->number,
+ pw->previous_mouse_x, pw->previous_mouse_y);
+
+ XWarpPointer (si->dpy, None, RootWindowOfScreen (ssi->screen),
+ 0, 0, 0, 0,
+ pw->previous_mouse_x, pw->previous_mouse_y);
+
+ XSync (si->dpy, False);
+ while (XCheckMaskEvent (si->dpy, PointerMotionMask, &event))
+ if (p->verbose_p)
+ fprintf (stderr, "%s: discarding MotionNotify event.\n", blurb());
+
if (si->passwd_dialog)
{
XDestroyWindow (si->dpy, si->passwd_dialog);
si->passwd_dialog = 0;
}
+ if (pw->save_under)
+ {
+ XGCValues gcv;
+ GC gc;
+ gcv.function = GXcopy;
+ gc = XCreateGC (si->dpy, ssi->screensaver_window, GCFunction, &gcv);
+ XCopyArea (si->dpy, pw->save_under,
+ ssi->screensaver_window, gc,
+ 0, 0,
+ pw->width + (pw->border_width*2) + 1,
+ pw->height + (pw->border_width*2) + 1,
+ pw->x - pw->border_width, pw->y - pw->border_width);
+ XFreePixmap (si->dpy, pw->save_under);
+ pw->save_under = 0;
+ XFreeGC (si->dpy, gc);
+ }
+
if (pw->heading_label) free (pw->heading_label);
if (pw->body_label) free (pw->body_label);
if (pw->user_label) free (pw->user_label);
if (pw->passwd_label) free (pw->passwd_label);
+ if (pw->date_label) free (pw->date_label);
+ if (pw->user_string) free (pw->user_string);
+ if (pw->passwd_string) free (pw->passwd_string);
if (pw->heading_font) XFreeFont (si->dpy, pw->heading_font);
if (pw->body_font) XFreeFont (si->dpy, pw->body_font);
if (pw->label_font) XFreeFont (si->dpy, pw->label_font);
if (pw->passwd_font) XFreeFont (si->dpy, pw->passwd_font);
+ if (pw->date_font) XFreeFont (si->dpy, pw->date_font);
if (pw->foreground != black && pw->foreground != white)
XFreeColors (si->dpy, cmap, &pw->foreground, 1, 0L);
XFreeColors (si->dpy, cmap, &pw->passwd_foreground, 1, 0L);
if (pw->passwd_background != black && pw->passwd_background != white)
XFreeColors (si->dpy, cmap, &pw->passwd_background, 1, 0L);
- if (pw->logo_foreground != black && pw->logo_foreground != white)
- XFreeColors (si->dpy, cmap, &pw->logo_foreground, 1, 0L);
- if (pw->logo_background != black && pw->logo_background != white)
- XFreeColors (si->dpy, cmap, &pw->logo_background, 1, 0L);
+ if (pw->thermo_foreground != black && pw->thermo_foreground != white)
+ XFreeColors (si->dpy, cmap, &pw->thermo_foreground, 1, 0L);
+ if (pw->thermo_background != black && pw->thermo_background != white)
+ XFreeColors (si->dpy, cmap, &pw->thermo_background, 1, 0L);
if (pw->shadow_top != black && pw->shadow_top != white)
XFreeColors (si->dpy, cmap, &pw->shadow_top, 1, 0L);
if (pw->shadow_bottom != black && pw->shadow_bottom != white)
XFreeColors (si->dpy, cmap, &pw->shadow_bottom, 1, 0L);
+ if (pw->logo_pixmap)
+ XFreePixmap (si->dpy, pw->logo_pixmap);
+ if (pw->logo_pixels)
+ {
+ if (pw->logo_npixels)
+ XFreeColors (si->dpy, cmap, pw->logo_pixels, pw->logo_npixels, 0L);
+ free (pw->logo_pixels);
+ pw->logo_pixels = 0;
+ pw->logo_npixels = 0;
+ }
+
+ if (pw->save_under)
+ XFreePixmap (si->dpy, pw->save_under);
+
+ if (cmap)
+ XInstallColormap (si->dpy, cmap);
+
memset (pw, 0, sizeof(*pw));
free (pw);
-
si->pw_data = 0;
}
+
+static Bool error_handler_hit_p = False;
+
+static int
+ignore_all_errors_ehandler (Display *dpy, XErrorEvent *error)
+{
+ error_handler_hit_p = True;
+ return 0;
+}
+
+
+#ifdef HAVE_XHPDISABLERESET
+/* This function enables and disables the C-Sh-Reset hot-key, which
+ normally resets the X server (logging out the logged-in user.)
+ We don't want random people to be able to do that while the
+ screen is locked.
+ */
+static void
+hp_lock_reset (saver_info *si, Bool lock_p)
+{
+ static Bool hp_locked_p = False;
+
+ /* Calls to XHPDisableReset and XHPEnableReset must be balanced,
+ or BadAccess errors occur. (It's ok for this to be global,
+ since it affects the whole machine, not just the current screen.)
+ */
+ if (hp_locked_p == lock_p)
+ return;
+
+ if (lock_p)
+ XHPDisableReset (si->dpy);
+ else
+ XHPEnableReset (si->dpy);
+ hp_locked_p = lock_p;
+}
+#endif /* HAVE_XHPDISABLERESET */
+
+\f
+#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
+
+/* This function enables and disables the Ctrl-Alt-KP_star and
+ Ctrl-Alt-KP_slash hot-keys, which (in XFree86 4.2) break any
+ grabs and/or kill the grabbing client. That would effectively
+ unlock the screen, so we don't like that.
+
+ The Ctrl-Alt-KP_star and Ctrl-Alt-KP_slash hot-keys only exist
+ if AllowDeactivateGrabs and/or AllowClosedownGrabs are turned on
+ in XF86Config. I believe they are disabled by default.
+
+ This does not affect any other keys (specifically Ctrl-Alt-BS or
+ Ctrl-Alt-F1) but I wish it did. Maybe it will someday.
+ */
+static void
+xfree_lock_grab_smasher (saver_info *si, Bool lock_p)
+{
+ saver_preferences *p = &si->prefs;
+ int status;
+
+ XErrorHandler old_handler;
+ XSync (si->dpy, False);
+ error_handler_hit_p = False;
+ old_handler = XSetErrorHandler (ignore_all_errors_ehandler);
+ XSync (si->dpy, False);
+ status = XF86MiscSetGrabKeysState (si->dpy, !lock_p);
+ XSync (si->dpy, False);
+ if (error_handler_hit_p) status = 666;
+
+ if (!lock_p && status == MiscExtGrabStateAlready)
+ status = MiscExtGrabStateSuccess; /* shut up, consider this success */
+
+ if (p->verbose_p && status != MiscExtGrabStateSuccess)
+ fprintf (stderr, "%s: error: XF86MiscSetGrabKeysState(%d) returned %s\n",
+ blurb(), !lock_p,
+ (status == MiscExtGrabStateSuccess ? "MiscExtGrabStateSuccess" :
+ status == MiscExtGrabStateLocked ? "MiscExtGrabStateLocked" :
+ status == MiscExtGrabStateAlready ? "MiscExtGrabStateAlready" :
+ status == 666 ? "an X error" :
+ "unknown value"));
+
+ XSync (si->dpy, False);
+ XSetErrorHandler (old_handler);
+ XSync (si->dpy, False);
+}
+#endif /* HAVE_XF86MISCSETGRABKEYSSTATE */
+
+
+
+\f
+/* This function enables and disables the C-Sh-F1 ... F12 hot-keys,
+ which, on Linux systems, switches to another virtual console.
+ We'd like the whole screen/keyboard to be locked, not just one
+ virtual console, so this function disables that while the X
+ screen is locked.
+
+ Unfortunately, this doesn't work -- this ioctl only works when
+ called by root, and we have disavowed our privileges long ago.
+ */
+#ifdef HAVE_VT_LOCKSWITCH
+static void
+linux_lock_vt_switch (saver_info *si, Bool lock_p)
+{
+ saver_preferences *p = &si->prefs;
+ static Bool vt_locked_p = False;
+ const char *dev_console = "/dev/console";
+ int fd;
+
+ if (lock_p == vt_locked_p)
+ return;
+
+ if (lock_p && !p->lock_vt_p)
+ return;
+
+ fd = open (dev_console, O_RDWR);
+ if (fd < 0)
+ {
+ char buf [255];
+ sprintf (buf, "%s: couldn't %s VTs: %s", blurb(),
+ (lock_p ? "lock" : "unlock"),
+ dev_console);
+#if 1 /* #### doesn't work yet, so don't bother complaining */
+ perror (buf);
+#endif
+ return;
+ }
+
+ if (ioctl (fd, (lock_p ? VT_LOCKSWITCH : VT_UNLOCKSWITCH)) == 0)
+ {
+ vt_locked_p = lock_p;
+
+ if (p->verbose_p)
+ fprintf (stderr, "%s: %s VTs\n", blurb(),
+ (lock_p ? "locked" : "unlocked"));
+ }
+ else
+ {
+ char buf [255];
+ sprintf (buf, "%s: couldn't %s VTs: ioctl", blurb(),
+ (lock_p ? "lock" : "unlock"));
+#if 0 /* #### doesn't work yet, so don't bother complaining */
+ perror (buf);
+#endif
+ }
+
+ close (fd);
+}
+#endif /* HAVE_VT_LOCKSWITCH */
+
+\f
+/* This function enables and disables the C-Alt-Plus and C-Alt-Minus
+ hot-keys, which normally change the resolution of the X server.
+ We don't want people to be able to switch the server resolution
+ while the screen is locked, because if they switch to a higher
+ resolution, it could cause part of the underlying desktop to become
+ exposed.
+ */
+#ifdef HAVE_XF86VMODE
+
+static void
+xfree_lock_mode_switch (saver_info *si, Bool lock_p)
+{
+ static Bool any_mode_locked_p = False;
+ saver_preferences *p = &si->prefs;
+ int screen;
+ int event, error;
+ Bool status;
+ XErrorHandler old_handler;
+
+ if (any_mode_locked_p == lock_p)
+ return;
+ if (!XF86VidModeQueryExtension (si->dpy, &event, &error))
+ return;
+
+ for (screen = 0; screen < (si->xinerama_p ? 1 : si->nscreens); screen++)
+ {
+ XSync (si->dpy, False);
+ old_handler = XSetErrorHandler (ignore_all_errors_ehandler);
+ error_handler_hit_p = False;
+ status = XF86VidModeLockModeSwitch (si->dpy, screen, lock_p);
+ XSync (si->dpy, False);
+ XSetErrorHandler (old_handler);
+ if (error_handler_hit_p) status = False;
+
+ if (status)
+ any_mode_locked_p = lock_p;
+
+ if (!status && (p->verbose_p || !lock_p))
+ /* Only print this when verbose, or when we locked but can't unlock.
+ I tried printing this message whenever it comes up, but
+ mode-locking always fails if DontZoom is set in XF86Config. */
+ fprintf (stderr, "%s: %d: unable to %s mode switching!\n",
+ blurb(), screen, (lock_p ? "lock" : "unlock"));
+ else if (p->verbose_p)
+ fprintf (stderr, "%s: %d: %s mode switching.\n",
+ blurb(), screen, (lock_p ? "locked" : "unlocked"));
+ }
+}
+#endif /* HAVE_XF86VMODE */
+
+\f
+/* If the viewport has been scrolled since the screen was blanked,
+ then scroll it back to where it belongs. This function only exists
+ to patch over a very brief race condition.
+ */
+static void
+undo_vp_motion (saver_info *si)
+{
+#ifdef HAVE_XF86VMODE
+ saver_preferences *p = &si->prefs;
+ int screen;
+ int event, error;
+
+ if (!XF86VidModeQueryExtension (si->dpy, &event, &error))
+ return;
+
+ for (screen = 0; screen < si->nscreens; screen++)
+ {
+ saver_screen_info *ssi = &si->screens[screen];
+ int x, y;
+ Bool status;
+
+ if (ssi->blank_vp_x == -1 && ssi->blank_vp_y == -1)
+ break;
+ if (!XF86VidModeGetViewPort (si->dpy, screen, &x, &y))
+ return;
+ if (ssi->blank_vp_x == x && ssi->blank_vp_y == y)
+ return;
+
+ /* We're going to move the viewport. The mouse has just been grabbed on
+ (and constrained to, thus warped to) the password window, so it is no
+ longer near the edge of the screen. However, wait a bit anyway, just
+ to make sure the server drains its last motion event, so that the
+ screen doesn't continue to scroll after we've reset the viewport.
+ */
+ XSync (si->dpy, False);
+ usleep (250000); /* 1/4 second */
+ XSync (si->dpy, False);
+
+ status = XF86VidModeSetViewPort (si->dpy, screen,
+ ssi->blank_vp_x, ssi->blank_vp_y);
+
+ if (!status)
+ fprintf (stderr,
+ "%s: %d: unable to move vp from (%d,%d) back to (%d,%d)!\n",
+ blurb(), screen, x, y, ssi->blank_vp_x, ssi->blank_vp_y);
+ else if (p->verbose_p)
+ fprintf (stderr,
+ "%s: %d: vp moved to (%d,%d); moved it back to (%d,%d).\n",
+ blurb(), screen, x, y, ssi->blank_vp_x, ssi->blank_vp_y);
+ }
+#endif /* HAVE_XF86VMODE */
+}
+
+
\f
/* Interactions
*/
else
pw->timer = 0;
- idle_timer ((XtPointer) si, id);
+ idle_timer ((XtPointer) si, 0);
}
+static XComposeStatus *compose_status;
+
static void
handle_passwd_key (saver_info *si, XKeyEvent *event)
{
+ saver_preferences *p = &si->prefs;
passwd_dialog_data *pw = si->pw_data;
int pw_size = sizeof (pw->typed_passwd) - 1;
char *typed_passwd = pw->typed_passwd;
char s[2];
char *stars = 0;
int i;
- int size = XLookupString (event, s, 1, 0, 0);
+ int size = XLookupString (event, s, 1, 0, compose_status);
if (size != 1) return;
case '\012': case '\015': /* Enter */
if (pw->state != pw_read)
; /* already done? */
- else if (passwd_valid_p (typed_passwd))
- pw->state = pw_ok;
+ else if (typed_passwd[0] == 0)
+ pw->state = pw_null;
else
- pw->state = pw_fail;
+ {
+ update_passwd_window (si, "Checking...", pw->ratio);
+ XSync (si->dpy, False);
+ if (passwd_valid_p (typed_passwd, p->verbose_p))
+ pw->state = pw_ok;
+ else
+ pw->state = pw_fail;
+ update_passwd_window (si, "", pw->ratio);
+ }
break;
default:
static void
passwd_event_loop (saver_info *si)
{
+ saver_preferences *p = &si->prefs;
char *msg = 0;
XEvent event;
passwd_animate_timer ((XtPointer) si, 0);
switch (si->pw_data->state)
{
case pw_ok: msg = 0; break;
+ case pw_null: msg = ""; break;
case pw_time: msg = "Timed out!"; break;
default: msg = "Sorry!"; break;
}
+ if (si->pw_data->state == pw_fail)
+ si->unlock_failures++;
+
+ if (p->verbose_p)
+ switch (si->pw_data->state)
+ {
+ case pw_ok:
+ fprintf (stderr, "%s: password correct.\n", blurb()); break;
+ case pw_fail:
+ fprintf (stderr, "%s: password incorrect!\n", blurb()); break;
+ case pw_null:
+ case pw_cancel:
+ fprintf (stderr, "%s: password entry cancelled.\n", blurb()); break;
+ case pw_time:
+ fprintf (stderr, "%s: password entry timed out.\n", blurb()); break;
+ default: break;
+ }
+
+#ifdef HAVE_SYSLOG
+ if (si->pw_data->state == pw_fail)
+ {
+ /* If they typed a password (as opposed to just hitting return) and
+ the password was invalid, log it.
+ */
+ struct passwd *pw = getpwuid (getuid ());
+ char *d = DisplayString (si->dpy);
+ char *u = (pw->pw_name ? pw->pw_name : "???");
+ int opt = 0;
+ int fac = 0;
+
+# ifdef LOG_PID
+ opt = LOG_PID;
+# endif
+
+# if defined(LOG_AUTHPRIV)
+ fac = LOG_AUTHPRIV;
+# elif defined(LOG_AUTH)
+ fac = LOG_AUTH;
+# else
+ fac = LOG_DAEMON;
+# endif
+
+ if (!d) d = "";
+ openlog (progname, opt, fac);
+ syslog (LOG_NOTICE, "FAILED LOGIN %d ON DISPLAY \"%s\", FOR \"%s\"",
+ si->unlock_failures, d, u);
+ closelog ();
+ }
+#endif /* HAVE_SYSLOG */
+
+ if (si->pw_data->state == pw_fail)
+ XBell (si->dpy, False);
+
+ if (si->pw_data->state == pw_ok && si->unlock_failures != 0)
+ {
+ if (si->unlock_failures == 1)
+ fprintf (real_stderr,
+ "%s: WARNING: 1 failed attempt to unlock the screen.\n",
+ blurb());
+ else
+ fprintf (real_stderr,
+ "%s: WARNING: %d failed attempts to unlock the screen.\n",
+ blurb(), si->unlock_failures);
+ fflush (real_stderr);
+
+ si->unlock_failures = 0;
+ }
+
if (msg)
{
si->pw_data->i_beam = 0;
update_passwd_window (si, msg, 0.0);
- XBell (si->dpy, False);
XSync (si->dpy, False);
sleep (1);
}
}
+
+static void
+handle_typeahead (saver_info *si)
+{
+ passwd_dialog_data *pw = si->pw_data;
+ int i;
+ if (!si->unlock_typeahead)
+ return;
+
+ i = strlen (si->unlock_typeahead);
+ if (i >= sizeof(pw->typed_passwd) - 1)
+ i = sizeof(pw->typed_passwd) - 1;
+
+ memcpy (pw->typed_passwd, si->unlock_typeahead, i);
+ pw->typed_passwd [i] = 0;
+
+ memset (si->unlock_typeahead, '*', strlen(si->unlock_typeahead));
+ si->unlock_typeahead[i] = 0;
+ update_passwd_window (si, si->unlock_typeahead, pw->ratio);
+
+ free (si->unlock_typeahead);
+ si->unlock_typeahead = 0;
+}
+
+
Bool
unlock_p (saver_info *si)
{
- Screen *screen = si->default_screen->screen;
- Colormap cmap = DefaultColormapOfScreen (screen);
+ saver_preferences *p = &si->prefs;
Bool status;
+ raise_window (si, True, True, True);
+
+ if (p->verbose_p)
+ fprintf (stderr, "%s: prompting for password.\n", blurb());
+
if (si->pw_data || si->passwd_dialog)
destroy_passwd_window (si);
make_passwd_window (si);
- if (cmap) XInstallColormap (si->dpy, cmap);
+ compose_status = calloc (1, sizeof (*compose_status));
+
+ handle_typeahead (si);
passwd_event_loop (si);
status = (si->pw_data->state == pw_ok);
destroy_passwd_window (si);
- cmap = si->default_screen->cmap;
- if (cmap) XInstallColormap (si->dpy, cmap);
+ free (compose_status);
+ compose_status = 0;
return status;
}
-#endif /* !NO_LOCKING -- whole file */
+
+void
+set_locked_p (saver_info *si, Bool locked_p)
+{
+ si->locked_p = locked_p;
+
+#ifdef HAVE_XHPDISABLERESET
+ hp_lock_reset (si, locked_p); /* turn off/on C-Sh-Reset */
+#endif
+#ifdef HAVE_VT_LOCKSWITCH
+ linux_lock_vt_switch (si, locked_p); /* turn off/on C-Alt-F1 */
+#endif
+#ifdef HAVE_XF86VMODE
+ xfree_lock_mode_switch (si, locked_p); /* turn off/on C-Alt-Plus */
+#endif
+#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
+ xfree_lock_grab_smasher (si, locked_p); /* turn off/on C-Alt-KP-*,/ */
+#endif
+
+ store_saver_status (si); /* store locked-p */
+}
+
+
+#else /* NO_LOCKING -- whole file */
+
+void
+set_locked_p (saver_info *si, Bool locked_p)
+{
+ if (locked_p) abort();
+}
+
+#endif /* !NO_LOCKING */
projects / xscreensaver / blobdiff