1 /* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details.
10 #include <sys/types.h>
11 #include <X11/keysym.h>
13 #include <X11/Xutil.h>
16 main(int argc, char **argv) {
17 char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
18 char buf[32], passwd[256];
19 int num, prev_nitem, screen;
30 XSetWindowAttributes wa;
32 if((argc > 1) && !strncmp(argv[1], "-v", 3)) {
33 fputs("slock-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
36 if(!(sp = getspnam(getenv("USER")))) {
37 fputs("slock: cannot retrieve password entry (make sure to suid slock)\n", stderr);
41 if(!(dpy = XOpenDisplay(0))) {
42 fputs("slock: cannot open display\n", stderr);
45 screen = DefaultScreen(dpy);
49 while(XGrabKeyboard(dpy, RootWindow(dpy, screen), True, GrabModeAsync,
50 GrabModeAsync, CurrentTime) != GrabSuccess)
53 wa.override_redirect = 1;
54 wa.background_pixel = BlackPixel(dpy, screen);
55 w = XCreateWindow(dpy, RootWindow(dpy, screen), 0, 0,
56 DisplayWidth(dpy, screen), DisplayHeight(dpy, screen),
57 0, DefaultDepth(dpy, screen), CopyFromParent,
58 DefaultVisual(dpy, screen), CWOverrideRedirect | CWBackPixel, &wa);
60 XAllocNamedColor(dpy, DefaultColormap(dpy, screen), "black", &black, &dummy);
61 pmap = XCreateBitmapFromData(dpy, w, curs, 8, 8);
62 invisible = XCreatePixmapCursor(dpy, pmap, pmap, &black, &black, 0, 0);
63 XDefineCursor(dpy, w, invisible);
68 while(running && !XNextEvent(dpy, &ev))
69 if(ev.type == KeyPress) {
72 num = XLookupString(&ev.xkey, buf, sizeof(buf), &ksym, 0);
73 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
74 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
75 || IsPrivateKeypadKey(ksym))
77 /* first check if a control mask is omitted */
78 if(ev.xkey.state & ControlMask) {
81 case XK_H: ksym = XK_BackSpace;
84 case XK_U: passwd[0] = 0;
90 if((running = strncmp(crypt(passwd, sp->sp_pwdp), sp->sp_pwdp, sizeof(passwd))))
102 if(num && !iscntrl((int) buf[0])) {
105 strncat(passwd, buf, sizeof(passwd));
107 strncpy(passwd, buf, sizeof(passwd));
112 XFreePixmap(dpy, pmap);
113 XDestroyWindow(dpy, w);