[dwm] slock and fingerprint

[pancake]

I've written a small patch for slock for those who want to unlock
the X windows using a fingerprint device.

It's using thinkfinger.sf.net driver and utilities.

Enjoy.

  --pancake

[EMAIL PROTECTED]/prg/slock$ hg diff
diff -r 03007b1332bc slock.c
--- a/slock.c   Sat Jan 13 14:10:56 2007 +0100
+++ b/slock.c   Mon Jan 29 00:41:51 2007 +0100
@@ -6,6 +6,7 @@
 #include <shadow.h>
 #endif
 
+#include <signal.h>
 #include <ctype.h>
 #include <pwd.h>
 #include <stdlib.h>
@@ -62,11 +63,19 @@ main(int argc, char **argv) {
        XColor black, dummy;
        XEvent ev;
        XSetWindowAttributes wa;
+       pid_t pid;
 
        if((argc > 1) && !strncmp(argv[1], "-v", 3)) {
                fputs("slock-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", 
stdout);
                exit(EXIT_SUCCESS);
        }
+
+       if (!(pid=fork())) {
+               setuid(geteuid());
+               system("while : ; do lt-tf-tool --no-init --verify && pkill 
slock && break ; sleep 1; done");
+               exit(1);
+       }
+
        pws = get_password();
        if(!(dpy = XOpenDisplay(0))) {
                fputs("slock: cannot open display\n", stderr);
@@ -133,5 +142,6 @@ main(int argc, char **argv) {
        XFreePixmap(dpy, pmap);
        XDestroyWindow(dpy, w);
        XCloseDisplay(dpy);
+       kill(pid,SIGKILL);
        return 0;
 }