1 /* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details.
4 #define _XOPEN_SOURCE 500
17 #include <sys/types.h>
18 #include <X11/keysym.h>
20 #include <X11/Xutil.h>
23 main(int argc, char **argv) {
24 char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
25 char buf[32], passwd[256];
41 XSetWindowAttributes wa;
43 if((argc > 1) && !strncmp(argv[1], "-v", 3)) {
44 fputs("slock-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
48 fputs("slock: cannot retrieve password entry (make sure to suid slock)\n", stderr);
52 sp = getspnam(getenv("USER"));
55 pw = getpwuid(getuid());
58 if(!(dpy = XOpenDisplay(0))) {
59 fputs("slock: cannot open display\n", stderr);
62 screen = DefaultScreen(dpy);
67 wa.override_redirect = 1;
68 wa.background_pixel = BlackPixel(dpy, screen);
69 w = XCreateWindow(dpy, RootWindow(dpy, screen), 0, 0,
70 DisplayWidth(dpy, screen), DisplayHeight(dpy, screen),
71 0, DefaultDepth(dpy, screen), CopyFromParent,
72 DefaultVisual(dpy, screen), CWOverrideRedirect | CWBackPixel, &wa);
74 XAllocNamedColor(dpy, DefaultColormap(dpy, screen), "black", &black, &dummy);
75 pmap = XCreateBitmapFromData(dpy, w, curs, 8, 8);
76 invisible = XCreatePixmapCursor(dpy, pmap, pmap, &black, &black, 0, 0);
77 XDefineCursor(dpy, w, invisible);
78 running = XGrabPointer(dpy, RootWindow(dpy, screen), False,
79 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
80 GrabModeAsync, GrabModeSync, None, invisible, CurrentTime) == GrabSuccess
81 && XGrabKeyboard(dpy, RootWindow(dpy, screen), True, GrabModeAsync,
82 GrabModeAsync, CurrentTime) == GrabSuccess;
87 while(running && !XNextEvent(dpy, &ev))
88 if(ev.type == KeyPress) {
91 num = XLookupString(&ev.xkey, buf, sizeof(buf), &ksym, 0);
92 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
93 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
94 || IsPrivateKeypadKey(ksym))
99 if((running = strncmp(crypt(passwd, sp->sp_pwdp), sp->sp_pwdp, sizeof(passwd))))
101 if((running = strncmp(crypt(passwd, pw->pw_passwd), pw->pw_passwd, sizeof(passwd))))
114 if(num && !iscntrl((int) buf[0])) {
117 strncat(passwd, buf, sizeof(passwd));
119 strncpy(passwd, buf, sizeof(passwd));
124 XUngrabPointer(dpy, CurrentTime);
125 XFreePixmap(dpy, pmap);
126 XDestroyWindow(dpy, w);