X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=driver%2Flock.c;h=4ca3d51344527b526f85eb3facb063be2a0af43a;hb=278c59e14c53fd412b734e699bd4f314f766f804;hp=48b2f5260480544723bc54933e49195223138ac8;hpb=0a1527cc01e9894017614b7c36b838b2b6914ba9;p=xscreensaver diff --git a/driver/lock.c b/driver/lock.c index 48b2f526..4ca3d513 100644 --- a/driver/lock.c +++ b/driver/lock.c @@ -1,4 +1,5 @@ -/* xscreensaver, Copyright (c) 1993 Jamie Zawinski +/* lock.c --- handling the password dialog for locking-mode. + * xscreensaver, Copyright (c) 1993-1998 Jamie Zawinski * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that @@ -9,517 +10,1015 @@ * implied warranty. */ -#if __STDC__ -#include -#include -#include +/* Athena locking code contributed by Jon A. Christopher */ +/* Copyright 1997, with the same permissions as above. */ + +#ifdef HAVE_CONFIG_H +# include "config.h" #endif -#include -#include +#ifndef NO_LOCKING /* whole file */ #include +#include "xscreensaver.h" +#include "resources.h" + +#ifdef HAVE_SYSLOG +# include +#endif /* HAVE_SYSLOG */ + +#ifdef HAVE_XF86VMODE +# include +#endif /* HAVE_XF86VMODE */ -#if !__STDC__ -# define _NO_PROTO +#ifdef _VROOT_H_ +ERROR! You must not include vroot.h in this file. #endif -#include -#include -#include +#ifndef VMS +# include +#else /* VMS */ -#include "xscreensaver.h" +extern char *getenv(const char *name); +extern int validate_user(char *name, char *password); + +static Bool +vms_passwd_valid_p(char *pw, Bool verbose_p) +{ + return (validate_user (getenv("USER"), typed_passwd) == 1); +} +# undef passwd_valid_p +# define passwd_valid_p vms_passwd_valid_p -#ifndef NO_LOCKING +#endif /* VMS */ -Time passwd_timeout; -extern char *screensaver_version; -extern char *progname; -extern XtAppContext app; -extern Bool verbose_p; +#undef MAX +#define MAX(a,b) ((a)>(b)?(a):(b)) -extern Widget passwd_dialog; -extern Widget passwd_form; -extern Widget roger_label; -extern Widget passwd_label1; -extern Widget passwd_label3; -extern Widget passwd_text; -extern Widget passwd_done; -extern Widget passwd_cancel; +enum passwd_state { pw_read, pw_ok, pw_null, pw_fail, pw_cancel, pw_time }; -extern create_passwd_dialog (); +struct passwd_dialog_data { -static enum { pw_read, pw_ok, pw_fail, pw_cancel, pw_time } passwd_state; -static char typed_passwd [1024]; + enum passwd_state state; + char typed_passwd [80]; + XtIntervalId timer; + int i_beam; -static char root_passwd [255]; -static char user_passwd [255]; + float ratio; + Position x, y; + Dimension width; + Dimension height; + Dimension border_width; -Bool -lock_init () + char *heading_label; + char *body_label; + char *user_label; + char *passwd_label; + char *user_string; + char *passwd_string; + + XFontStruct *heading_font; + XFontStruct *body_font; + XFontStruct *label_font; + XFontStruct *passwd_font; + + Pixel foreground; + Pixel background; + Pixel passwd_foreground; + Pixel passwd_background; + Pixel logo_foreground; + Pixel logo_background; + Pixel shadow_top; + Pixel shadow_bottom; + + Dimension logo_width; + Dimension logo_height; + Dimension thermo_width; + Dimension internal_border; + Dimension shadow_width; + + Dimension passwd_field_x, passwd_field_y; + Dimension passwd_field_width, passwd_field_height; + + Dimension thermo_field_x, thermo_field_y; + Dimension thermo_field_height; + + 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); +static void set_vp_mode_switch_locked (saver_info *si, Bool locked_p); + + +static void +make_passwd_window (saver_info *si) { - Bool ok = True; - struct passwd *p; - char *u; - p = getpwnam ("root"); - if (p && p->pw_passwd && p->pw_passwd[0] != '*') - strcpy (root_passwd, p->pw_passwd); - else - { - fprintf (stderr, "%s: couldn't get root's password\n", progname); - strcpy (root_passwd, "*"); - } + struct passwd *p = getpwuid (getuid ()); + 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); + char *f; - u = getlogin (); - if (u) - p = getpwnam (u); - else + pw->ratio = 1.0; + + pw->heading_label = get_string_resource ("passwd.heading.label", + "Dialog.Label.Label"); + pw->body_label = get_string_resource ("passwd.body.label", + "Dialog.Label.Label"); + pw->user_label = get_string_resource ("passwd.user.label", + "Dialog.Label.Label"); + pw->passwd_label = get_string_resource ("passwd.passwd.label", + "Dialog.Label.Label"); + + if (!pw->heading_label) + pw->heading_label = strdup("ERROR: REESOURCES NOT INSTALLED CORRECTLY"); + if (!pw->body_label) + 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"); + + /* Put the version number in the label. */ + { + char *s = (char *) malloc (strlen(pw->heading_label) + 20); + sprintf(s, pw->heading_label, si->version); + free (pw->heading_label); + pw->heading_label = s; + } + + pw->user_string = (p->pw_name ? p->pw_name : "???"); + pw->passwd_string = strdup(""); + + f = get_string_resource ("passwd.headingFont", "Dialog.Font"); + pw->heading_font = XLoadQueryFont (si->dpy, (f ? f : "fixed")); + if (!pw->heading_font) pw->heading_font = XLoadQueryFont (si->dpy, "fixed"); + if (f) free (f); + + f = get_string_resource("passwd.bodyFont", "Dialog.Font"); + pw->body_font = XLoadQueryFont (si->dpy, (f ? f : "fixed")); + if (!pw->body_font) pw->body_font = XLoadQueryFont (si->dpy, "fixed"); + if (f) free (f); + + f = get_string_resource("passwd.labelFont", "Dialog.Font"); + pw->label_font = XLoadQueryFont (si->dpy, (f ? f : "fixed")); + if (!pw->label_font) pw->label_font = XLoadQueryFont (si->dpy, "fixed"); + if (f) free (f); + + f = get_string_resource("passwd.passwdFont", "Dialog.Font"); + pw->passwd_font = XLoadQueryFont (si->dpy, (f ? f : "fixed")); + if (!pw->passwd_font) pw->passwd_font = XLoadQueryFont (si->dpy, "fixed"); + if (f) free (f); + + pw->foreground = get_pixel_resource ("passwd.foreground", + "Dialog.Foreground", + si->dpy, cmap); + pw->background = get_pixel_resource ("passwd.background", + "Dialog.Background", + si->dpy, cmap); + + if (pw->foreground == pw->background) { - /* getlogin() fails if not attached to a terminal; - in that case, use getpwuid(). */ - p = getpwuid (getuid ()); - u = p->pw_name; + /* Make sure the error messages show up. */ + pw->foreground = BlackPixelOfScreen (screen); + pw->background = WhitePixelOfScreen (screen); } - if (p && p->pw_passwd && p->pw_passwd[0] != '*') - strcpy (user_passwd, p->pw_passwd); - else + pw->passwd_foreground = get_pixel_resource ("passwd.text.foreground", + "Dialog.Text.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->shadow_top = get_pixel_resource ("passwd.topShadowColor", + "Dialog.Foreground", + si->dpy, cmap); + pw->shadow_bottom = get_pixel_resource ("passwd.bottomShadowColor", + "Dialog.Background", + si->dpy, cmap); + + pw->logo_width = get_integer_resource ("passwd.logo.width", + "Dialog.Logo.Width"); + pw->logo_height = get_integer_resource ("passwd.logo.height", + "Dialog.Logo.Height"); + pw->thermo_width = get_integer_resource ("passwd.thermometer.width", + "Dialog.Thermometer.Width"); + pw->internal_border = get_integer_resource ("passwd.internalBorderWidth", + "Dialog.InternalBorderWidth"); + pw->shadow_width = get_integer_resource ("passwd.shadowThickness", + "Dialog.ShadowThickness"); + + if (pw->logo_width == 0) pw->logo_width = 150; + if (pw->logo_height == 0) pw->logo_height = 150; + if (pw->internal_border == 0) pw->internal_border = 15; + if (pw->shadow_width == 0) pw->shadow_width = 4; + if (pw->thermo_width == 0) pw->thermo_width = pw->shadow_width; + + { + int direction, ascent, descent; + XCharStruct overall; + + pw->width = 0; + pw->height = 0; + + /* Measure the heading_label. */ + XTextExtents (pw->heading_font, + pw->heading_label, strlen(pw->heading_label), + &direction, &ascent, &descent, &overall); + if (overall.width > pw->width) pw->width = overall.width; + pw->height += ascent + descent; + + /* Measure the body_label. */ + XTextExtents (pw->body_font, + pw->body_label, strlen(pw->body_label), + &direction, &ascent, &descent, &overall); + if (overall.width > pw->width) pw->width = overall.width; + pw->height += ascent + descent; + { - fprintf (stderr, "%s: couldn't get password of \"%s\"\n", progname, u); - strcpy (user_passwd, "*"); - ok = False; + Dimension w2 = 0, w3 = 0; + Dimension h2 = 0, h3 = 0; + const char *passwd_string = "MMMMMMMMMMMM"; + + /* Measure the user_label. */ + XTextExtents (pw->label_font, + pw->user_label, strlen(pw->user_label), + &direction, &ascent, &descent, &overall); + if (overall.width > w2) w2 = overall.width; + h2 += ascent + descent; + + /* Measure the passwd_label. */ + XTextExtents (pw->label_font, + pw->passwd_label, strlen(pw->passwd_label), + &direction, &ascent, &descent, &overall); + if (overall.width > w2) w2 = overall.width; + h2 += ascent + descent; + + /* Measure the user_string. */ + XTextExtents (pw->passwd_font, + pw->user_string, strlen(pw->user_string), + &direction, &ascent, &descent, &overall); + overall.width += (pw->shadow_width * 4); + ascent += (pw->shadow_width * 4); + if (overall.width > w3) w3 = overall.width; + h3 += ascent + descent; + + /* Measure the (maximally-sized, dummy) passwd_string. */ + XTextExtents (pw->passwd_font, + passwd_string, strlen(passwd_string), + &direction, &ascent, &descent, &overall); + overall.width += (pw->shadow_width * 4); + ascent += (pw->shadow_width * 4); + if (overall.width > w3) w3 = overall.width; + h3 += ascent + descent; + + w2 = w2 + w3 + (pw->shadow_width * 2); + h2 = MAX (h2, h3); + + if (w2 > pw->width) pw->width = w2; + pw->height += h2; } - return ok; -} -static void -passwd_cancel_cb (button, client_data, call_data) - Widget button; - XtPointer client_data, call_data; -{ - passwd_state = pw_cancel; + pw->width += (pw->internal_border * 2); + pw->height += (pw->internal_border * 4); + + pw->width += pw->thermo_width + (pw->shadow_width * 3); + + if (pw->logo_height > pw->height) + pw->height = pw->logo_height; + else if (pw->height > pw->logo_height) + pw->logo_height = pw->height; + + pw->logo_width = pw->logo_height; + + pw->width += pw->logo_width; + } + + attrmask |= CWOverrideRedirect; attrs.override_redirect = True; + attrmask |= CWEventMask; attrs.event_mask = ExposureMask|KeyPressMask; + + { + int x, y, w, h; + get_screen_viewport (si->default_screen, &x, &y, &w, &h, False); + if (si->prefs.debug_p) w /= 2; + 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; + } + + pw->border_width = get_integer_resource ("passwd.borderWidth", + "Dialog.BorderWidth"); + + si->passwd_dialog = + XCreateWindow (si->dpy, + RootWindowOfScreen(screen), + 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); + + + /* 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, + si->default_screen->screensaver_window, + pw->width + (pw->border_width*2) + 1, + pw->height + (pw->border_width*2) + 1, + si->default_screen->current_depth); + gcv.function = GXcopy; + gc = XCreateGC (si->dpy, pw->save_under, GCFunction, &gcv); + XCopyArea (si->dpy, si->default_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, si->screens[0].cursor); + undo_vp_motion (si); + set_vp_mode_switch_locked (si, True); + + si->pw_data = pw; + + draw_passwd_window (si); + XSync (si->dpy, False); } -static void -passwd_done_cb (button, client_data, call_data) - Widget button; - XtPointer client_data, call_data; + +void +draw_passwd_window (saver_info *si) { - if (passwd_state != pw_read) return; /* already done */ - if (!strcmp ((char *) crypt (typed_passwd, user_passwd), user_passwd)) - passwd_state = pw_ok; - /* do not allow root to have empty passwd */ - else if (typed_passwd [0] && - !strcmp ((char *) crypt (typed_passwd, root_passwd), root_passwd)) - passwd_state = pw_ok; - else - passwd_state = pw_fail; -} + passwd_dialog_data *pw = si->pw_data; + XGCValues gcv; + GC gc1, gc2; + int spacing, height; + int x1, x2, x3, y1, y2; + int sw; + int tb_height; + + height = (pw->heading_font->ascent + pw->heading_font->descent + + 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))))); + spacing = ((pw->height - (2 * pw->shadow_width) - + pw->internal_border - height)) / 8; + if (spacing < 0) spacing = 0; + + gcv.foreground = pw->foreground; + gc1 = XCreateGC (si->dpy, si->passwd_dialog, GCForeground, &gcv); + gc2 = XCreateGC (si->dpy, si->passwd_dialog, GCForeground, &gcv); + x1 = pw->logo_width + pw->thermo_width + (pw->shadow_width * 3); + x3 = pw->width - (pw->shadow_width * 2); + y1 = (pw->shadow_width * 2) + spacing + spacing; + + /* top heading + */ + XSetFont (si->dpy, gc1, pw->heading_font->fid); + sw = string_width (pw->heading_font, pw->heading_label); + x2 = (x1 + ((x3 - x1 - sw) / 2)); + y1 += spacing + pw->heading_font->ascent + pw->heading_font->descent; + XDrawString (si->dpy, si->passwd_dialog, gc1, x2, y1, + pw->heading_label, strlen(pw->heading_label)); + + /* text below top heading + */ + XSetFont (si->dpy, gc1, pw->body_font->fid); + y1 += spacing + pw->body_font->ascent + pw->body_font->descent; + sw = string_width (pw->body_font, pw->body_label); + x2 = (x1 + ((x3 - x1 - sw) / 2)); + XDrawString (si->dpy, si->passwd_dialog, gc1, x2, y1, + pw->body_label, strlen(pw->body_label)); -#ifdef VERIFY_CALLBACK_WORKS - /* #### It looks to me like adding any modifyVerify callback causes - #### Motif 1.1.4 to free the the TextF_Value() twice. I can't see - #### the bug in the Motif source, but Purify complains, even if - #### check_passwd_cb() is a no-op. + tb_height = (pw->passwd_font->ascent + pw->passwd_font->descent + + (pw->shadow_width * 4)); + + /* the "User:" prompt + */ + y1 += spacing; + y2 = y1; + XSetForeground (si->dpy, gc1, pw->foreground); + XSetFont (si->dpy, gc1, pw->label_font->fid); + y1 += (spacing + tb_height); + x2 = (x1 + pw->internal_border + + MAX(string_width (pw->label_font, pw->user_label), + string_width (pw->label_font, pw->passwd_label))); + XDrawString (si->dpy, si->passwd_dialog, gc1, + x2 - string_width (pw->label_font, pw->user_label), + y1, + pw->user_label, strlen(pw->user_label)); + + /* the "Password:" prompt + */ + y1 += (spacing + tb_height); + XDrawString (si->dpy, si->passwd_dialog, gc1, + x2 - string_width (pw->label_font, pw->passwd_label), + y1, + pw->passwd_label, strlen(pw->passwd_label)); + + + XSetForeground (si->dpy, gc2, pw->passwd_background); + + /* the "user name" text field + */ + y1 = y2; + XSetForeground (si->dpy, gc1, pw->passwd_foreground); + XSetFont (si->dpy, gc1, pw->passwd_font->fid); + y1 += (spacing + tb_height); + x2 += (pw->shadow_width * 4); + + pw->passwd_field_width = x3 - x2 - pw->internal_border; + pw->passwd_field_height = (pw->passwd_font->ascent + + pw->passwd_font->descent + + pw->shadow_width); + + XFillRectangle (si->dpy, si->passwd_dialog, gc2, + x2 - pw->shadow_width, + y1 - (pw->passwd_font->ascent + pw->passwd_font->descent), + pw->passwd_field_width, pw->passwd_field_height); + XDrawString (si->dpy, si->passwd_dialog, gc1, x2, y1, + pw->user_string, strlen(pw->user_string)); + + /* the "password" text field + */ + y1 += (spacing + tb_height); + + pw->passwd_field_x = x2 - pw->shadow_width; + pw->passwd_field_y = y1 - (pw->passwd_font->ascent + + pw->passwd_font->descent); + + /* The shadow around the text fields + */ + y1 = y2; + y1 += (spacing + (pw->shadow_width * 3)); + x1 = x2 - (pw->shadow_width * 2); + x2 = pw->passwd_field_width + (pw->shadow_width * 2); + y2 = pw->passwd_field_height + (pw->shadow_width * 2); + + draw_shaded_rectangle (si->dpy, si->passwd_dialog, + x1, y1, x2, y2, + pw->shadow_width, + pw->shadow_bottom, pw->shadow_top); + + y1 += (spacing + pw->passwd_font->ascent + pw->passwd_font->descent + + (pw->shadow_width * 4)); + draw_shaded_rectangle (si->dpy, si->passwd_dialog, + x1, y1, x2, y2, + pw->shadow_width, + pw->shadow_bottom, pw->shadow_top); + + /* the logo + */ + XSetForeground (si->dpy, gc1, pw->logo_foreground); + XSetForeground (si->dpy, gc2, pw->logo_background); + + 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 thermometer + */ + 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); + + /* 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); + + /* 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, + pw->shadow_bottom, pw->shadow_top); + + /* The shadow around the thermometer */ + draw_shaded_rectangle (si->dpy, si->passwd_dialog, + pw->logo_width, + pw->shadow_width * 2, + pw->thermo_width + (pw->shadow_width * 2), + pw->height - (pw->shadow_width * 4), + pw->shadow_width, + pw->shadow_bottom, pw->shadow_top); -static void -check_passwd_cb (button, client_data, call_data) - Widget button; - XtPointer client_data, call_data; + /* 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); + + /* The shadow around the whole window + */ + draw_shaded_rectangle (si->dpy, si->passwd_dialog, + 0, 0, pw->width, pw->height, pw->shadow_width, + pw->shadow_top, pw->shadow_bottom); + + XFreeGC (si->dpy, gc1); + XFreeGC (si->dpy, gc2); + + update_passwd_window (si, pw->passwd_string, pw->ratio); +} + + +void +update_passwd_window (saver_info *si, const char *printed_passwd, float ratio) { - XmTextVerifyCallbackStruct *vcb = (XmTextVerifyCallbackStruct *) call_data; + passwd_dialog_data *pw = si->pw_data; + XGCValues gcv; + GC gc1, gc2; + int x, y; + XRectangle rects[1]; - if (passwd_state != pw_read) - return; - else if (vcb->reason == XmCR_ACTIVATE) + pw->ratio = ratio; + gcv.foreground = pw->passwd_foreground; + gcv.font = pw->passwd_font->fid; + gc1 = XCreateGC (si->dpy, si->passwd_dialog, GCForeground|GCFont, &gcv); + gcv.foreground = pw->passwd_background; + gc2 = XCreateGC (si->dpy, si->passwd_dialog, GCForeground, &gcv); + + if (printed_passwd) { - passwd_done_cb (0, 0, 0); + char *s = strdup (printed_passwd); + if (pw->passwd_string) free (pw->passwd_string); + pw->passwd_string = s; } - else if (vcb->text->length > 1) /* don't allow "paste" operations */ + + /* 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, + 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, + 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) { - vcb->doit = False; + x = (rects[0].x + pw->shadow_width + + string_width (pw->passwd_font, pw->passwd_string)); + 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); } - else if (vcb->text->ptr != 0) + + pw->i_beam = (pw->i_beam + 1) % 4; + + + /* the thermometer + */ + y = pw->thermo_field_height * (1.0 - pw->ratio); + if (y > 0) { - int i; - strncat (typed_passwd, vcb->text->ptr, vcb->text->length); - typed_passwd [vcb->endPos + vcb->text->length] = 0; - for (i = 0; i < vcb->text->length; i++) - vcb->text->ptr [i] = '*'; + XFillRectangle (si->dpy, si->passwd_dialog, gc2, + pw->thermo_field_x + 1, + pw->thermo_field_y + 1, + pw->thermo_width-2, + y); + XSetForeground (si->dpy, gc1, pw->logo_foreground); + XFillRectangle (si->dpy, si->passwd_dialog, gc1, + pw->thermo_field_x + 1, + pw->thermo_field_y + 1 + y, + pw->thermo_width-2, + MAX (0, pw->thermo_field_height - y - 2)); } + + XFreeGC (si->dpy, gc1); + XFreeGC (si->dpy, gc2); + XSync (si->dpy, False); } -#else /* !VERIFY_CALLBACK_WORKS */ - -static void keypress(); -static void backspace(); -static void kill_line(); -static void done(); - -static XtActionsRec actions[] = {{"keypress", keypress}, - {"backspace", backspace}, - {"kill_line", kill_line}, - {"done", done} - }; - -#if 0 /* oh fuck, why doesn't this work? */ -static char translations[] = "\ -BackSpace: backspace()\n\ -Delete: backspace()\n\ -CtrlH: backspace()\n\ -CtrlU: kill_line()\n\ -CtrlX: kill_line()\n\ -CtrlJ: done()\n\ -CtrlM: done()\n\ -: keypress()\n\ -"; -#else -static char translations[] = ":keypress()"; -#endif -static void -keypress (w, event, argv, argc) - Widget w; - XEvent *event; - String *argv; - Cardinal *argc; +void +destroy_passwd_window (saver_info *si) { - int i, j; - char s [sizeof (typed_passwd)]; - int size = XLookupString ((XKeyEvent *) event, s, sizeof (s), 0, 0); - if (size != 1) return; + 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); + + if (pw->timer) + XtRemoveTimeOut (pw->timer); - /* hack because I can't get translations to dance to my tune... */ - if (*s == '\010') { backspace (w, event, argv, argc); return; } - if (*s == '\177') { backspace (w, event, argv, argc); return; } - if (*s == '\025') { kill_line (w, event, argv, argc); return; } - if (*s == '\030') { kill_line (w, event, argv, argc); return; } - if (*s == '\012') { done (w, event, argv, argc); return; } - if (*s == '\015') { done (w, event, argv, argc); return; } - - i = j = strlen (typed_passwd); - typed_passwd [i] = *s; - s [++i] = 0; - while (i--) - s [i] = '*'; - XmTextFieldSetString (passwd_text, s); - XmTextFieldSetInsertionPosition (passwd_text, j + 1); + move_mouse_grab (si, RootWindowOfScreen(si->screens[0].screen), + si->screens[0].cursor); + set_vp_mode_switch_locked (si, False); + + 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, si->default_screen->screensaver_window, + GCFunction, &gcv); + XCopyArea (si->dpy, pw->save_under, + si->default_screen->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->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->foreground != black && pw->foreground != white) + XFreeColors (si->dpy, cmap, &pw->foreground, 1, 0L); + if (pw->background != black && pw->background != white) + XFreeColors (si->dpy, cmap, &pw->background, 1, 0L); + if (pw->passwd_foreground != black && pw->passwd_foreground != white) + 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->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); + + memset (pw, 0, sizeof(*pw)); + free (pw); + + si->pw_data = 0; } static void -backspace (w, event, argv, argc) - Widget w; - XEvent *event; - String *argv; - Cardinal *argc; +undo_vp_motion (saver_info *si) { - char s [sizeof (typed_passwd)]; - int i = strlen (typed_passwd); - int j = i; - if (i == 0) +#ifdef HAVE_XF86VMODE + saver_preferences *p = &si->prefs; + int screen = 0; /* always screen 0 */ + saver_screen_info *ssi = &si->screens[screen]; + int event, error, x, y; + Bool status; + + if (ssi->blank_vp_x == -1 && ssi->blank_vp_y == -1) return; - typed_passwd [--i] = 0; - s [i] = 0; - while (i--) - s [i] = '*'; - XmTextFieldSetString (passwd_text, s); - XmTextFieldSetInsertionPosition (passwd_text, j + 1); -} + if (!XF86VidModeQueryExtension (si->dpy, &event, &error)) + return; + if (!XF86VidModeGetViewPort (si->dpy, 0, &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 (250); /* 1/4 second */ + XSync (si->dpy, False); -static void -kill_line (w, event, argv, argc) - Widget w; - XEvent *event; - String *argv; - Cardinal *argc; -{ - memset (typed_passwd, 0, sizeof (typed_passwd)); - XmTextFieldSetString (passwd_text, ""); + status = XF86VidModeSetViewPort (si->dpy, screen, + ssi->blank_vp_x, ssi->blank_vp_y); + + if (!status) + fprintf (stderr, "%s: unable to move vp from (%d,%d) back to (%d,%d)!\n", + blurb(), x, y, ssi->blank_vp_x, ssi->blank_vp_y); + else if (p->verbose_p) + fprintf (stderr, "%s: vp moved to (%d,%d); moved it back to (%d,%d).\n", + blurb(), x, y, ssi->blank_vp_x, ssi->blank_vp_y); + +#endif /* HAVE_XF86VMODE */ } + static void -done (w, event, argv, argc) - Widget w; - XEvent *event; - String *argv; - Cardinal *argc; +set_vp_mode_switch_locked (saver_info *si, Bool locked_p) { - passwd_done_cb (w, 0, 0); +#ifdef HAVE_XF86VMODE + saver_preferences *p = &si->prefs; + int screen = 0; /* always screen 0 */ + int event, error; + Bool status; + + if (!XF86VidModeQueryExtension (si->dpy, &event, &error)) + return; + status = XF86VidModeLockModeSwitch (si->dpy, screen, locked_p); + + if (!status) + fprintf (stderr, "%s: unable to %s vp switching!\n", + blurb(), (locked_p ? "lock" : "unlock")); + else if (p->verbose_p) + fprintf (stderr, "%s: %s vp switching.\n", + blurb(), (locked_p ? "locked" : "unlocked")); +#endif /* HAVE_XF86VMODE */ } -#endif /* !VERIFY_CALLBACK_WORKS */ + + +/* Interactions + */ static void -format_into_label (widget, string) - Widget widget; - char *string; +passwd_animate_timer (XtPointer closure, XtIntervalId *id) { - char *label; - char buf [255]; - XmString xm_label = 0; - XmString new_xm_label; - Arg av[10]; - int ac = 0; - XtSetArg (av [ac], XmNlabelString, &xm_label); ac++; - XtGetValues (widget, av, ac); - XmStringGetLtoR (xm_label, XmSTRING_DEFAULT_CHARSET, &label); - if (!strcmp (label, XtName (widget))) - strcpy (buf, "ERROR: RESOURCES ARE NOT INSTALLED CORRECTLY"); + saver_info *si = (saver_info *) closure; + int tick = 166; + passwd_dialog_data *pw = si->pw_data; + + if (!pw) return; + + pw->ratio -= (1.0 / ((double) si->prefs.passwd_timeout / (double) tick)); + if (pw->ratio < 0) + { + pw->ratio = 0; + if (pw->state == pw_read) + pw->state = pw_time; + } + + update_passwd_window (si, 0, pw->ratio); + + if (pw->state == pw_read) + pw->timer = XtAppAddTimeOut (si->app, tick, passwd_animate_timer, + (XtPointer) si); else - sprintf (buf, label, string); - new_xm_label = XmStringCreate (buf, XmSTRING_DEFAULT_CHARSET); - ac = 0; - XtSetArg (av [ac], XmNlabelString, new_xm_label); ac++; - XtSetValues (widget, av, ac); - XmStringFree (new_xm_label); - XtFree (label); + pw->timer = 0; + + idle_timer ((XtPointer) si, id); } -#if __STDC__ -extern void skull (Display *, Window, GC, GC, int, int, int, int); -#endif static void -roger (button, client_data, call_data) - Widget button; - XtPointer client_data, call_data; +handle_passwd_key (saver_info *si, XKeyEvent *event) { - Display *dpy = XtDisplay (button); - Screen *screen = XtScreen (button); - Window window = XtWindow (button); - Arg av [10]; - int ac = 0; - XGCValues gcv; - Colormap cmap; - GC draw_gc, erase_gc; - unsigned int fg, bg; - int x, y, size; - XWindowAttributes xgwa; - XGetWindowAttributes (dpy, window, &xgwa); - cmap = xgwa.colormap; - if (xgwa.width > xgwa.height) size = xgwa.height; - else size = xgwa.width; - if (size > 40) size -= 30; - x = (xgwa.width - size) / 2; - y = (xgwa.height - size) / 2; - XtSetArg (av [ac], XmNforeground, &fg); ac++; - XtSetArg (av [ac], XmNbackground, &bg); ac++; - XtGetValues (button, av, ac); - /* if it's black on white, swap it cause it looks better (hack hack) */ - if (fg == BlackPixelOfScreen (screen) && bg == WhitePixelOfScreen (screen)) - fg = WhitePixelOfScreen (screen), bg = BlackPixelOfScreen (screen); - gcv.foreground = bg; - erase_gc = XCreateGC (dpy, window, GCForeground, &gcv); - gcv.foreground = fg; - draw_gc = XCreateGC (dpy, window, GCForeground, &gcv); - XFillRectangle (dpy, window, erase_gc, 0, 0, xgwa.width, xgwa.height); - skull (dpy, window, draw_gc, erase_gc, x, y, size, size); - XFreeGC (dpy, draw_gc); - XFreeGC (dpy, erase_gc); -} + 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); -static void -make_passwd_dialog (parent) - Widget parent; -{ - struct passwd *pw; - create_passwd_dialog (parent); - - XtAddCallback (passwd_done, XmNactivateCallback, passwd_done_cb, 0); - XtAddCallback (passwd_cancel, XmNactivateCallback, passwd_cancel_cb, 0); - XtAddCallback (roger_label, XmNexposeCallback, roger, 0); - -#ifdef VERIFY_CALLBACK_WORKS - XtAddCallback (passwd_text, XmNmodifyVerifyCallback, check_passwd_cb, 0); - XtAddCallback (passwd_text, XmNactivateCallback, check_passwd_cb, 0); -#else - XtAddCallback (passwd_text, XmNactivateCallback, passwd_done_cb, 0); - XtOverrideTranslations (passwd_text, XtParseTranslationTable (translations)); -#endif + if (size != 1) return; - pw = getpwuid (getuid ()); - format_into_label (passwd_label3, (pw->pw_name ? pw->pw_name : "???")); - format_into_label (passwd_label1, screensaver_version); -} + s[1] = 0; + + switch (*s) + { + case '\010': case '\177': /* Backspace */ + if (!*typed_passwd) + XBell (si->dpy, 0); + else + typed_passwd [strlen(typed_passwd)-1] = 0; + break; + + case '\025': case '\030': /* Erase line */ + memset (typed_passwd, 0, pw_size); + break; + case '\012': case '\015': /* Enter */ + if (pw->state != pw_read) + ; /* already done? */ + else if (typed_passwd[0] == 0) + pw->state = pw_null; + else + { + 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: + i = strlen (typed_passwd); + if (i >= pw_size-1) + XBell (si->dpy, 0); + else + { + typed_passwd [i] = *s; + typed_passwd [i+1] = 0; + } + break; + } -extern void idle_timer (); + i = strlen(typed_passwd); + stars = (char *) malloc(i+1); + memset (stars, '*', i); + stars[i] = 0; + update_passwd_window (si, stars, pw->ratio); + free (stars); +} -static int passwd_idle_timer_tick; -static XtIntervalId id; static void -passwd_idle_timer (junk1, junk2) - void *junk1; - XtPointer junk2; +passwd_event_loop (saver_info *si) { - Display *dpy = XtDisplay (passwd_form); - Window window = XtWindow (passwd_form); - static Dimension x, y, d, s, ss; - static GC gc = 0; - int max = passwd_timeout / 1000; + saver_preferences *p = &si->prefs; + char *msg = 0; + XEvent event; + passwd_animate_timer ((XtPointer) si, 0); - idle_timer (junk1, junk2); - - if (passwd_idle_timer_tick == max) /* first time */ + while (si->pw_data && si->pw_data->state == pw_read) { - Arg av [10]; - int ac = 0; - XGCValues gcv; - unsigned long fg, bg; - XtSetArg (av [ac], XmNheight, &d); ac++; - XtGetValues (passwd_done, av, ac); - ac = 0; - XtSetArg (av [ac], XmNwidth, &x); ac++; - XtSetArg (av [ac], XmNheight, &y); ac++; - XtSetArg (av [ac], XmNforeground, &fg); ac++; - XtSetArg (av [ac], XmNbackground, &bg); ac++; - XtGetValues (passwd_form, av, ac); - x -= d; - y -= d; - d -= 4; - gcv.foreground = fg; - if (gc) XFreeGC (dpy, gc); - gc = XCreateGC (dpy, window, GCForeground, &gcv); - s = 360*64 / (passwd_idle_timer_tick - 1); - ss = 90*64; - XFillArc (dpy, window, gc, x, y, d, d, 0, 360*64); - XSetForeground (dpy, gc, bg); - x += 1; - y += 1; - d -= 2; + XtAppNextEvent (si->app, &event); + if (event.xany.window == si->passwd_dialog && event.xany.type == Expose) + draw_passwd_window (si); + else if (event.xany.type == KeyPress) + handle_passwd_key (si, &event.xkey); + else + XtDispatchEvent (&event); } - if (--passwd_idle_timer_tick) + switch (si->pw_data->state) { - id = XtAppAddTimeOut (app, 1000, passwd_idle_timer, 0); - XFillArc (dpy, window, gc, x, y, d, d, ss, s); - ss += s; + case pw_ok: msg = 0; break; + case pw_null: msg = ""; break; + case pw_time: msg = "Timed out!"; break; + default: msg = "Sorry!"; break; } -} -extern void pop_up_dialog_box (); -extern int BadWindow_ehandler (); + if (si->pw_data->state == pw_fail) + si->unlock_failures++; -static Bool -pop_passwd_dialog (parent) - Widget parent; -{ - Display *dpy = XtDisplay (passwd_dialog); - Window focus; - int revert_to; - typed_passwd [0] = 0; - passwd_state = pw_read; - XmTextFieldSetString (passwd_text, ""); - - XGetInputFocus (dpy, &focus, &revert_to); -#ifndef DESTROY_WORKS - /* This fucker blows up if we destroy the widget. I can't figure - out why. The second destroy phase dereferences freed memory... - So we just keep it around; but unrealizing or unmanaging it - doesn't work right either, so we hack the window directly. FMH. - */ - if (XtWindow (passwd_form)) - XMapWindow (dpy, XtWindow (passwd_dialog)); -#endif - pop_up_dialog_box (passwd_dialog, passwd_form, 2); + 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; + } - XtManageChild (passwd_form); - XSetInputFocus (dpy, XtWindow (passwd_dialog), revert_to, CurrentTime); - XmProcessTraversal (passwd_text, 0); - - passwd_idle_timer_tick = passwd_timeout / 1000; - id = XtAppAddTimeOut (app, 1000, passwd_idle_timer, 0); +#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 - XGrabServer (dpy); /* ############ DANGER! */ +# if defined(LOG_AUTHPRIV) + fac = LOG_AUTHPRIV; +# elif defined(LOG_AUTH) + fac = LOG_AUTH; +# else + fac = LOG_DAEMON; +# endif - while (passwd_state == pw_read) - { - XEvent event; - XtAppNextEvent (app, &event); - /* wait for timer event */ - if (event.xany.type == 0 && passwd_idle_timer_tick == 0) - passwd_state = pw_time; - XtDispatchEvent (&event); + if (!d) d = ""; + openlog (progname, opt, fac); + syslog (LOG_NOTICE, "FAILED LOGIN %d ON DISPLAY \"%s\", FOR \"%s\"", + si->unlock_failures, d, u); + closelog (); } - XUngrabServer (dpy); - XSync (dpy, False); /* ###### (danger over) */ +#endif /* HAVE_SYSLOG */ - if (passwd_state != pw_time) - XtRemoveTimeOut (id); + if (si->pw_data->state == pw_fail) + XBell (si->dpy, False); - if (passwd_state != pw_ok) + if (si->pw_data->state == pw_ok && si->unlock_failures != 0) { - char *lose; - switch (passwd_state) - { - case pw_time: lose = "Timed out!"; break; - case pw_fail: lose = "Sorry!"; break; - case pw_cancel: lose = 0; break; - default: abort (); - } - XmProcessTraversal (passwd_cancel, 0); /* turn off I-beam */ - if (lose) - { - XmTextFieldSetString (passwd_text, lose); - XmTextFieldSetInsertionPosition (passwd_text, strlen (lose) + 1); - passwd_idle_timer_tick = 1; - id = XtAppAddTimeOut (app, 3000, passwd_idle_timer, 0); - while (1) - { - XEvent event; - XtAppNextEvent (app, &event); - if (event.xany.type == 0 && /* wait for timer event */ - passwd_idle_timer_tick == 0) - break; - XtDispatchEvent (&event); - } - } + 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; } - memset (typed_passwd, 0, sizeof (typed_passwd)); - XmTextFieldSetString (passwd_text, ""); - XtSetKeyboardFocus (parent, None); - -#ifndef DESTROY_WORKS - XtDestroyWidget (passwd_dialog); - passwd_dialog = 0; -#else - XUnmapWindow (XtDisplay (passwd_dialog), XtWindow (passwd_dialog)); -#endif - { - int (*old_handler) (); - old_handler = XSetErrorHandler (BadWindow_ehandler); - /* I don't understand why this doesn't refocus on the old selected - window when MWM is running in click-to-type mode. The value of - `focus' seems to be correct. */ - XSetInputFocus (dpy, focus, revert_to, CurrentTime); - XSync (dpy, False); - XSetErrorHandler (old_handler); - } - return (passwd_state == pw_ok ? True : False); + if (msg) + { + si->pw_data->i_beam = 0; + update_passwd_window (si, msg, 0.0); + XSync (si->dpy, False); + sleep (1); + + /* Swallow all pending KeyPress/KeyRelease events. */ + { + XEvent e; + while (XCheckMaskEvent (si->dpy, KeyPressMask|KeyReleaseMask, &e)) + ; + } + } } + Bool -unlock_p (parent) - Widget parent; +unlock_p (saver_info *si) { - static Bool initted = False; - if (! initted) - { -#ifndef VERIFY_CALLBACK_WORKS - XtAppAddActions (app, actions, XtNumber (actions)); -#endif - passwd_dialog = 0; - initted = True; - } - if (! passwd_dialog) - make_passwd_dialog (parent); - return pop_passwd_dialog (parent); + saver_preferences *p = &si->prefs; + Screen *screen = si->default_screen->screen; + Colormap cmap = DefaultColormapOfScreen (screen); + Bool status; + + 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); + + 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); + + return status; } -#endif /* !NO_LOCKING */ +#endif /* !NO_LOCKING -- whole file */