-/* xscreensaver, Copyright (c) 1998 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1998-2017 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 <stdio.h>
#include <ctype.h>
+#include <pwd.h>
+
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
+#include <X11/Xlocale.h>
#include "xscreensaver.h"
#include "resources.h"
#include "version.h"
+#include "visual.h"
+#include "auth.h"
char *progname = 0;
char *progclass = 0;
FILE *real_stderr, *real_stdout;
-void reset_stderr(saver_screen_info *ssi) {}
-void clear_stderr(saver_screen_info *ssi) {}
-void reset_watchdog_timer(saver_info *si, Bool on_p) {}
-void monitor_power_on (saver_info *si) {}
-void ungrab_keyboard_and_mouse (saver_info *si) {}
-Bool select_visual (saver_screen_info *ssi, const char *v) { return False; }
-void raise_window (saver_info *si, Bool i, Bool b, Bool d) {}
-void restore_real_vroot (saver_info *si) {}
-void saver_exit (saver_info *si, int status, const char *core) { exit(status);}
-const char * signal_name(int signal) { return "???"; }
+void monitor_power_on (saver_info *si, Bool on_p) {}
Bool monitor_powered_on_p (saver_info *si) { return True; }
-void start_notice_events_timer (saver_info *si, Window w) {}
void initialize_screensaver_window (saver_info *si) {}
-void blank_screen (saver_info *si) {}
+void raise_window (saver_info *si, Bool i, Bool b, Bool d) {}
+Bool blank_screen (saver_info *si) {return False;}
void unblank_screen (saver_info *si) {}
+void reset_watchdog_timer(saver_info *si, Bool on_p) {}
+Bool select_visual (saver_screen_info *ssi, const char *v) { return False; }
+Bool window_exists_p (Display *dpy, Window window) {return True;}
+void start_notice_events_timer (saver_info *si, Window w, Bool b) {}
Bool handle_clientmessage (saver_info *si, XEvent *e, Bool u) { return False; }
int BadWindow_ehandler (Display *dpy, XErrorEvent *error) { exit(1); }
+const char *signal_name(int signal) { return "???"; }
+Bool restore_real_vroot (saver_info *si) { return False; }
+void store_saver_status (saver_info *si) {}
+void saver_exit (saver_info *si, int status, const char *core) { exit(status);}
+int move_mouse_grab (saver_info *si, Window to, Cursor c, int ts) { return 0; }
+int mouse_screen (saver_info *si) { return 0; }
+void check_for_leaks (const char *where) { }
+void shutdown_stderr (saver_info *si) { }
+void resize_screensaver_window (saver_info *si) { }
+void describe_monitor_layout (saver_info *si) { }
+Bool update_screen_layout (saver_info *si) { return 0; }
+Bool in_signal_handler_p = 0;
+char *timestring (time_t when) { return ""; }
const char *blurb(void) { return progname; }
+Atom XA_SCREENSAVER, XA_DEMO, XA_PREFS;
void
idle_timer (XtPointer closure, XtIntervalId *id)
XPutBackEvent (si->dpy, &fake_event);
}
-
-static char *
-reformat_hack(const char *hack)
+static int
+text_auth_conv (
+ int num_msg,
+ const struct auth_message *auth_msgs,
+ struct auth_response **resp,
+ saver_info *si)
{
+ char *input;
+ char buf[255];
+ struct auth_response *responses;
int i;
- const char *in = hack;
- int indent = 13;
- char *h2 = (char *) malloc(strlen(in) + indent + 2);
- char *out = h2;
-
- while (isspace(*in)) in++; /* skip whitespace */
- while (*in && !isspace(*in) && *in != ':')
- *out++ = *in++; /* snarf first token */
- while (isspace(*in)) in++; /* skip whitespace */
-
- if (*in == ':')
- *out++ = *in++; /* copy colon */
- else
- {
- in = hack;
- out = h2; /* reset to beginning */
- }
- *out = 0;
-
- while (isspace(*in)) in++; /* skip whitespace */
- for (i = strlen(h2); i < indent; i++) /* indent */
- *out++ = ' ';
-
- while (*in) *out++ = *in++; /* copy rest of line */
- *out = 0;
-
- return h2;
-}
+ responses = calloc(num_msg, sizeof(struct auth_response));
+ if (!responses)
+ return -1;
+ /* The unlock state won't actually be used until this function returns and
+ * the auth module processes the response, but set it anyway for consistency
+ */
+ si->unlock_state = ul_read;
-static void
-get_screenhacks (saver_info *si)
-{
- saver_preferences *p = &si->prefs;
- int i = 0;
- int hacks_size = 60;
- int size;
- char *d;
-
- d = get_string_resource ("monoPrograms", "MonoPrograms");
- if (d && !*d) { free(d); d = 0; }
- if (!d)
- d = get_string_resource ("colorPrograms", "ColorPrograms");
- if (d && !*d) { free(d); d = 0; }
-
- if (d)
+ for (i = 0; i < num_msg; ++i)
{
- fprintf (stderr,
- "%s: the `monoPrograms' and `colorPrograms' resources are obsolete;\n\
- see the manual for details.\n", blurb());
- free(d);
+ printf ("\n%s: %s", progname, auth_msgs[i].msg);
+ if ( auth_msgs[i].type == AUTH_MSGTYPE_PROMPT_NOECHO
+ || auth_msgs[i].type == AUTH_MSGTYPE_PROMPT_ECHO)
+ {
+ input = fgets (buf, sizeof(buf)-1, stdin);
+ if (!input || !*input)
+ exit (0);
+ if (input[strlen(input)-1] == '\n')
+ input[strlen(input)-1] = 0;
+
+ responses[i].response = strdup(input);
+ }
}
- d = get_string_resource ("programs", "Programs");
+ *resp = responses;
- size = d ? strlen (d) : 0;
- p->screenhacks = (char **) malloc (sizeof (char *) * hacks_size);
- p->screenhacks_count = 0;
+ si->unlock_state = ul_finished;
- while (i < size)
- {
- int end, start = i;
- if (d[i] == ' ' || d[i] == '\t' || d[i] == '\n' || d[i] == 0)
- {
- i++;
- continue;
- }
- if (hacks_size <= p->screenhacks_count)
- p->screenhacks = (char **) realloc (p->screenhacks,
- (hacks_size = hacks_size * 2) *
- sizeof (char *));
- p->screenhacks [p->screenhacks_count++] = d + i;
- while (d[i] != 0 && d[i] != '\n')
- i++;
- end = i;
- while (i > start && (d[i-1] == ' ' || d[i-1] == '\t'))
- i--;
- d[i] = 0;
- i = end + 1;
- }
+ return 0;
+}
- /* shrink all whitespace to one space, for the benefit of the "demo"
- mode display. We only do this when we can easily tell that the
- whitespace is not significant (no shell metachars).
- */
- for (i = 0; i < p->screenhacks_count; i++)
- {
- char *s = p->screenhacks [i];
- char *s2;
- int L = strlen (s);
- int j, k;
- for (j = 0; j < L; j++)
- {
- switch (s[j])
- {
- case '\'': case '"': case '`': case '\\':
- goto DONE;
- case '\t':
- s[j] = ' ';
- case ' ':
- k = 0;
- for (s2 = s+j+1; *s2 == ' ' || *s2 == '\t'; s2++)
- k++;
- if (k > 0)
- {
- for (s2 = s+j+1; s2[k]; s2++)
- *s2 = s2[k];
- *s2 = 0;
- }
- break;
- }
- }
- DONE:
- p->screenhacks[i] = reformat_hack(s); /* mallocs */
- }
- if (p->screenhacks_count)
- {
- /* Shrink down the screenhacks array to be only as big as it needs to.
- This doesn't really matter at all. */
- p->screenhacks = (char **)
- realloc (p->screenhacks, ((p->screenhacks_count + 1) *
- sizeof(char *)));
- p->screenhacks [p->screenhacks_count] = 0;
- }
- else
- {
- free (p->screenhacks);
- p->screenhacks = 0;
- }
-}
+#ifdef __GNUC__
+ __extension__ /* shut up about "string length is greater than the length
+ ISO C89 compilers are required to support" when including
+ the .ad file... */
+#endif
+static char *fallback[] = {
+#include "XScreenSaver_ad.h"
+ 0
+};
+
+extern Bool debug_passwd_window_p; /* lock.c kludge */
int
main (int argc, char **argv)
{
- Widget toplevel_shell;
+ enum { PASS, SPLASH, TTY } which;
+ Widget toplevel_shell = 0;
saver_screen_info ssip;
saver_info sip;
saver_info *si = &sip;
saver_preferences *p = &si->prefs;
+ struct passwd *pw;
memset(&sip, 0, sizeof(sip));
memset(&ssip, 0, sizeof(ssip));
si->version = (char *) malloc (5);
memcpy (si->version, screensaver_id + 17, 4);
+ si->version[4] = 0;
progname = argv[0];
+ {
+ char *s = strrchr(progname, '/');
+ if (*s) progname = s+1;
+ }
+
+ if (argc != 2) goto USAGE;
+ else if (!strcmp (argv[1], "pass")) which = PASS;
+ else if (!strcmp (argv[1], "splash")) which = SPLASH;
+ else if (!strcmp (argv[1], "tty")) which = TTY;
+ else
+ {
+ USAGE:
+ fprintf (stderr, "usage: %s [ pass | splash | tty ]\n", progname);
+ exit (1);
+ }
-# ifdef SCO
- set_auth_parameters(argc, argv);
-# endif /* SCO */
+#ifdef NO_LOCKING
+ if (which == PASS || which == TTY)
+ {
+ fprintf (stderr, "%s: compiled with NO_LOCKING\n", progname);
+ exit (1);
+ }
+#endif
+
+#ifndef NO_LOCKING
+ /* before hack_uid() for proper permissions */
+ lock_priv_init (argc, argv, True);
+
+ hack_uid (si);
- if (! lock_init (argc, argv)) /* before hack_uid() for proper permissions */
+ if (! lock_init (argc, argv, True))
{
si->locking_disabled_p = True;
si->nolock_reason = "error getting password";
}
-
- hack_uid (si);
+#endif
progclass = "XScreenSaver";
- toplevel_shell = XtAppInitialize (&si->app, progclass, 0, 0,
- &argc, argv, 0, 0, 0);
+ if (!setlocale (LC_CTYPE, ""))
+ fprintf (stderr, "%s: warning: could not set default locale\n",
+ progname);
- si->dpy = XtDisplay (toplevel_shell);
- si->db = XtDatabase (si->dpy);
- si->default_screen->toplevel_shell = toplevel_shell;
- si->default_screen->screen = XtScreen(toplevel_shell);
- si->default_screen->default_visual =
- si->default_screen->current_visual =
- DefaultVisualOfScreen(si->default_screen->screen);
- si->default_screen->screensaver_window =
- RootWindowOfScreen(si->default_screen->screen);
- db = si->db;
- XtGetApplicationNameAndClass (si->dpy, &progname, &progclass);
+ if (which != TTY)
+ {
+ toplevel_shell = XtAppInitialize (&si->app, progclass, 0, 0,
+ &argc, argv, fallback,
+ 0, 0);
+
+ si->dpy = XtDisplay (toplevel_shell);
+ p->db = XtDatabase (si->dpy);
+ si->default_screen->toplevel_shell = toplevel_shell;
+ si->default_screen->screen = XtScreen(toplevel_shell);
+ si->default_screen->default_visual =
+ si->default_screen->current_visual =
+ DefaultVisualOfScreen(si->default_screen->screen);
+ si->default_screen->screensaver_window =
+ RootWindowOfScreen(si->default_screen->screen);
+ si->default_screen->current_depth =
+ visual_depth(si->default_screen->screen,
+ si->default_screen->current_visual);
+
+ ssip.width = WidthOfScreen(ssip.screen);
+ ssip.height = HeightOfScreen(ssip.screen);
+
+ db = p->db;
+ XtGetApplicationNameAndClass (si->dpy, &progname, &progclass);
+
+ load_init_file (si->dpy, &si->prefs);
+ }
- p->debug_p = True;
p->verbose_p = True;
- p->lock_p = True;
- p->passwd_timeout = 1000 * get_seconds_resource ("passwdTimeout", "Time");
- get_screenhacks(si);
+ pw = getpwuid (getuid ());
+ si->user = strdup (pw->pw_name);
- hack_uid_warn (si);
+/* si->nscreens = 0;
+ si->screens = si->default_screen = 0; */
while (1)
{
-#if 0
- if (unlock_p (si))
- fprintf (stderr, "%s: password correct\n", progname);
+#ifndef NO_LOCKING
+ if (which == PASS)
+ {
+ si->unlock_cb = gui_auth_conv;
+ si->auth_finished_cb = auth_finished_cb;
+
+ debug_passwd_window_p = True;
+ xss_authenticate(si, True);
+
+ if (si->unlock_state == ul_success)
+ fprintf (stderr, "%s: authentication succeeded\n", progname);
+ else
+ fprintf (stderr, "%s: authentication FAILED!\n", progname);
+
+ XSync(si->dpy, False);
+ fprintf (stderr, "\n######################################\n\n");
+ sleep (3);
+ }
else
- fprintf (stderr, "%s: password INCORRECT!\n", progname);
-
- XSync(si->dpy, False);
- sleep (3);
-#else
- si->demo_mode_p = True;
- make_screenhack_dialog (si);
- XtAppMainLoop(si->app);
#endif
+ if (which == SPLASH)
+ {
+ XEvent event;
+ make_splash_dialog (si);
+ XtAppAddTimeOut (si->app, p->splash_duration + 1000,
+ idle_timer, (XtPointer) si);
+ while (si->splash_dialog)
+ {
+ XtAppNextEvent (si->app, &event);
+ if (event.xany.window == si->splash_dialog)
+ handle_splash_event (si, &event);
+ XtDispatchEvent (&event);
+ }
+ XSync (si->dpy, False);
+ sleep (1);
+ }
+#ifndef NO_LOCKING
+ else if (which == TTY)
+ {
+ si->unlock_cb = text_auth_conv;
+
+ printf ("%s: Authenticating user %s\n", progname, si->user);
+ xss_authenticate(si, True);
+
+ if (si->unlock_state == ul_success)
+ printf ("%s: Ok!\n", progname);
+ else
+ printf ("%s: Wrong!\n", progname);
+ }
+#endif
+ else
+ abort();
}
+
+ free(si->user);
}