applied Fernando Silveira's multiscreen patch for old style multihead setups
This commit is contained in:
Anselm R Garbe
parent
0cb05bdb75
commit
732d2b3bf5
222
slock.c
222
slock.c
|
|
@ -5,6 +5,7 @@
|
|||
#endif
|
||||
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
#include <pwd.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdlib.h>
|
||||
|
|
@ -15,31 +16,42 @@
|
|||
#include <X11/keysym.h>
|
||||
#include <X11/Xlib.h>
|
||||
#include <X11/Xutil.h>
|
||||
#include <X11/extensions/dpms.h>
|
||||
|
||||
#if HAVE_BSD_AUTH
|
||||
#include <login_cap.h>
|
||||
#include <bsd_auth.h>
|
||||
#endif
|
||||
|
||||
struct st_lock {
|
||||
int screen;
|
||||
Window root, w;
|
||||
Pixmap pmap;
|
||||
};
|
||||
|
||||
extern const char *__progname;
|
||||
|
||||
static void
|
||||
die(const char *errstr, ...) {
|
||||
va_list ap;
|
||||
|
||||
fprintf(stderr, "%s: ", __progname);
|
||||
va_start(ap, errstr);
|
||||
vfprintf(stderr, errstr, ap);
|
||||
va_end(ap);
|
||||
fprintf(stderr, "\n");
|
||||
fflush(stderr);
|
||||
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
#ifndef HAVE_BSD_AUTH
|
||||
static const char *
|
||||
get_password() { /* only run as root */
|
||||
get_password(void) { /* only run as root */
|
||||
const char *rval;
|
||||
struct passwd *pw;
|
||||
|
||||
if(geteuid() != 0)
|
||||
die("slock: cannot retrieve password entry (make sure to suid slock)\n");
|
||||
die("cannot retrieve password entry (make sure to suid slock)");
|
||||
pw = getpwuid(getuid());
|
||||
endpwent();
|
||||
rval = pw->pw_passwd;
|
||||
|
|
@ -55,81 +67,34 @@ get_password() { /* only run as root */
|
|||
|
||||
/* drop privileges */
|
||||
if(setgid(pw->pw_gid) < 0 || setuid(pw->pw_uid) < 0)
|
||||
die("slock: cannot drop privileges\n");
|
||||
die("cannot drop privileges");
|
||||
return rval;
|
||||
}
|
||||
#endif
|
||||
|
||||
int
|
||||
main(int argc, char **argv) {
|
||||
char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
|
||||
char buf[32], passwd[256];
|
||||
int num, screen;
|
||||
|
||||
#ifndef HAVE_BSD_AUTH
|
||||
const char *pws;
|
||||
static void
|
||||
#ifdef HAVE_BSD_AUTH
|
||||
read_password(Display *dpy)
|
||||
#else
|
||||
read_password(Display *dpy, const char *pws)
|
||||
#endif
|
||||
{
|
||||
char buf[32], passwd[256];
|
||||
int num;
|
||||
|
||||
unsigned int len;
|
||||
Bool running = True;
|
||||
Cursor invisible;
|
||||
Display *dpy;
|
||||
KeySym ksym;
|
||||
Pixmap pmap;
|
||||
Window root, w;
|
||||
XColor black, dummy;
|
||||
XEvent ev;
|
||||
XSetWindowAttributes wa;
|
||||
CARD16 standby, suspend, off;
|
||||
|
||||
if((argc == 2) && !strcmp("-v", argv[1]))
|
||||
die("slock-"VERSION", © 2006-2008 Anselm R Garbe\n");
|
||||
else if(argc != 1)
|
||||
die("usage: slock [-v]\n");
|
||||
|
||||
#ifndef HAVE_BSD_AUTH
|
||||
pws = get_password();
|
||||
#endif
|
||||
|
||||
if(!(dpy = XOpenDisplay(0)))
|
||||
die("slock: cannot open display\n");
|
||||
screen = DefaultScreen(dpy);
|
||||
root = RootWindow(dpy, screen);
|
||||
|
||||
/* init */
|
||||
wa.override_redirect = 1;
|
||||
wa.background_pixel = BlackPixel(dpy, screen);
|
||||
w = XCreateWindow(dpy, root, 0, 0, DisplayWidth(dpy, screen), DisplayHeight(dpy, screen),
|
||||
0, DefaultDepth(dpy, screen), CopyFromParent,
|
||||
DefaultVisual(dpy, screen), CWOverrideRedirect | CWBackPixel, &wa);
|
||||
XAllocNamedColor(dpy, DefaultColormap(dpy, screen), "black", &black, &dummy);
|
||||
pmap = XCreateBitmapFromData(dpy, w, curs, 8, 8);
|
||||
invisible = XCreatePixmapCursor(dpy, pmap, pmap, &black, &black, 0, 0);
|
||||
XDefineCursor(dpy, w, invisible);
|
||||
XMapRaised(dpy, w);
|
||||
for(len = 1000; len; len--) {
|
||||
if(XGrabPointer(dpy, root, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
|
||||
GrabModeAsync, GrabModeAsync, None, invisible, CurrentTime) == GrabSuccess)
|
||||
break;
|
||||
usleep(1000);
|
||||
}
|
||||
if((running = running && (len > 0))) {
|
||||
for(len = 1000; len; len--) {
|
||||
if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
|
||||
== GrabSuccess)
|
||||
break;
|
||||
usleep(1000);
|
||||
}
|
||||
running = (len > 0);
|
||||
}
|
||||
len = 0;
|
||||
XSync(dpy, False);
|
||||
running = True;
|
||||
|
||||
if(DPMSCapable(dpy)) { /* save and customize DPMS settings */
|
||||
DPMSGetTimeouts(dpy, &standby, &suspend, &off);
|
||||
DPMSSetTimeouts(dpy, 10, 30, 90);
|
||||
}
|
||||
/* As "slock" stands for "Simple X display locker", the DPMS settings
|
||||
* had been removed and you can set it with "xset" or some other
|
||||
* utility. This way the user can easily set a customized DPMS
|
||||
* timeout. */
|
||||
|
||||
/* main event loop */
|
||||
while(running && !XNextEvent(dpy, &ev)) {
|
||||
if(ev.type == KeyPress) {
|
||||
buf[0] = 0;
|
||||
|
|
@ -172,12 +137,129 @@ main(int argc, char **argv) {
|
|||
}
|
||||
}
|
||||
}
|
||||
if(DPMSCapable(dpy)) { /* restore DPMS settings */
|
||||
DPMSSetTimeouts(dpy, standby, suspend, off);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
unlockscreen(Display *dpy, struct st_lock *lock) {
|
||||
if (dpy == NULL || lock == NULL)
|
||||
return;
|
||||
|
||||
XUngrabPointer(dpy, CurrentTime);
|
||||
XFreePixmap(dpy, pmap);
|
||||
XDestroyWindow(dpy, w);
|
||||
XFreePixmap(dpy, lock->pmap);
|
||||
XDestroyWindow(dpy, lock->w);
|
||||
|
||||
free(lock);
|
||||
}
|
||||
|
||||
static struct st_lock *
|
||||
lockscreen(Display *dpy, int screen) {
|
||||
char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
|
||||
unsigned int len;
|
||||
struct st_lock *lock;
|
||||
Bool running = True;
|
||||
XColor black, dummy;
|
||||
XSetWindowAttributes wa;
|
||||
Cursor invisible;
|
||||
|
||||
if (dpy == NULL || screen < 0)
|
||||
return NULL;
|
||||
|
||||
lock = malloc(sizeof(struct st_lock));
|
||||
if (lock == NULL)
|
||||
return NULL;
|
||||
|
||||
lock->screen = screen;
|
||||
|
||||
lock->root = RootWindow(dpy, lock->screen);
|
||||
|
||||
/* init */
|
||||
wa.override_redirect = 1;
|
||||
wa.background_pixel = BlackPixel(dpy, lock->screen);
|
||||
lock->w = XCreateWindow(dpy, lock->root, 0, 0, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen),
|
||||
0, DefaultDepth(dpy, lock->screen), CopyFromParent,
|
||||
DefaultVisual(dpy, lock->screen), CWOverrideRedirect | CWBackPixel, &wa);
|
||||
XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen), "black", &black, &dummy);
|
||||
lock->pmap = XCreateBitmapFromData(dpy, lock->w, curs, 8, 8);
|
||||
invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, &black, &black, 0, 0);
|
||||
XDefineCursor(dpy, lock->w, invisible);
|
||||
XMapRaised(dpy, lock->w);
|
||||
for(len = 1000; len; len--) {
|
||||
if(XGrabPointer(dpy, lock->root, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
|
||||
GrabModeAsync, GrabModeAsync, None, invisible, CurrentTime) == GrabSuccess)
|
||||
break;
|
||||
usleep(1000);
|
||||
}
|
||||
if((running = running && (len > 0))) {
|
||||
for(len = 1000; len; len--) {
|
||||
if(XGrabKeyboard(dpy, lock->root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
|
||||
== GrabSuccess)
|
||||
break;
|
||||
usleep(1000);
|
||||
}
|
||||
running = (len > 0);
|
||||
}
|
||||
|
||||
if (!running) {
|
||||
unlockscreen(dpy, lock);
|
||||
lock = NULL;
|
||||
}
|
||||
|
||||
return lock;
|
||||
}
|
||||
|
||||
static void
|
||||
usage(void) {
|
||||
fprintf(stderr, "usage: %s -v", __progname);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv) {
|
||||
#ifndef HAVE_BSD_AUTH
|
||||
const char *pws;
|
||||
#endif
|
||||
Display *dpy;
|
||||
int nscreens, screen;
|
||||
|
||||
struct st_lock **locks;
|
||||
|
||||
if((argc == 2) && !strcmp("-v", argv[1]))
|
||||
die("slock-%s, © 2006-2008 Anselm R Garbe", VERSION);
|
||||
else if(argc != 1)
|
||||
usage();
|
||||
|
||||
#ifndef HAVE_BSD_AUTH
|
||||
pws = get_password();
|
||||
#endif
|
||||
|
||||
if(!(dpy = XOpenDisplay(0)))
|
||||
die("cannot open display");
|
||||
|
||||
/* Get the number of screens in display "dpy" and blank them all. */
|
||||
nscreens = ScreenCount(dpy);
|
||||
locks = malloc(sizeof(struct st_lock *) * nscreens);
|
||||
if (locks == NULL)
|
||||
die("malloc: %s", strerror(errno));
|
||||
|
||||
for (screen = 0; screen < nscreens; screen++)
|
||||
locks[screen] = lockscreen(dpy, screen);
|
||||
|
||||
XSync(dpy, False);
|
||||
|
||||
/* Everything is now blank. Now wait for the correct password. */
|
||||
#ifdef HAVE_BSD_AUTH
|
||||
read_password(dpy);
|
||||
#else
|
||||
read_password(dpy, pws);
|
||||
#endif
|
||||
|
||||
/* Password ok, unlock everything and quit. */
|
||||
for (screen = 0; screen < nscreens; screen++)
|
||||
unlockscreen(dpy, locks[screen]);
|
||||
|
||||
free(locks);
|
||||
|
||||
XCloseDisplay(dpy);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue