3 files changed, 39 insertions, 8 deletions

diff --git a/LICENSE b/LICENSE
index 9425c10..490492c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT/X Consortium License
 
-© 2006-2007 Anselm R. Garbe <garbeam at gmail dot com>
+© 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
diff --git a/config.mk b/config.mk
index 345475c..d17c762 100644
--- a/config.mk
+++ b/config.mk
@@ -11,17 +11,22 @@ X11LIB = /usr/X11R6/lib
 
 # includes and libs
 INCS = -I. -I/usr/include -I${X11INC}
-LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11
+LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext
 
 # flags
-CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\" -DHAVE_SHADOW_H
+CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\"  -DHAVE_SHADOW_H
 LDFLAGS = ${LIBS}
 #CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\" -DHAVE_SHADOW_H
 #LDFLAGS = -g ${LIBS}
 
-# On *BSD remove -DHAVE_SHADOW_H from CFLAGS
+# On *BSD remove -DHAVE_SHADOW_H from CFLAGS and add -DHAVE_BSD_AUTH
 # On OpenBSD and Darwin remove -lcrypt from LIBS
 
 # compiler and linker
 CC = cc
 LD = ${CC}
+
+# Install mode. On BSD systems MODE=2755 and GROUP=auth
+# On others MODE=4755 and GROUP=root
+#MODE=2755
+#GROUP=auth
diff --git a/slock.c b/slock.c
index 4723102..2dc9648 100644
--- a/slock.c
+++ b/slock.c
@@ -1,4 +1,4 @@
-/* © 2006-2007 Anselm R. Garbe <garbeam at gmail dot com>
+/* © 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details. */
 #define _XOPEN_SOURCE 500
 #if HAVE_SHADOW_H
@@ -16,6 +16,12 @@
 #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
 
 void
 eprint(const char *errstr, ...) {
@@ -27,6 +33,7 @@ eprint(const char *errstr, ...) {
         exit(EXIT_FAILURE);
 }
 
+#ifndef HAVE_BSD_AUTH
 const char *
 get_password() { /* only run as root */
         const char *rval;
@@ -46,18 +53,23 @@ get_password() { /* only run as root */
                 rval = sp->sp_pwdp;
         }
 #endif
+
         /* drop privileges */
         if(setgid(pw->pw_gid) < 0 || setuid(pw->pw_uid) < 0)
                 eprint("slock: cannot drop privileges\n");
         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;
+#endif
         unsigned int len;
         Bool running = True;
         Cursor invisible;
@@ -70,10 +82,14 @@ main(int argc, char **argv) {
         XSetWindowAttributes wa;
 
         if((argc == 2) && !strcmp("-v", argv[1]))
-                eprint("slock-"VERSION", © 2006-2007 Anselm R. Garbe\n");
+                eprint("slock-"VERSION", © 2006-2008 Anselm R Garbe\n");
         else if(argc != 1)
                 eprint("usage: slock [-v]\n");
+
+#ifndef HAVE_BSD_AUTH
         pws = get_password();
+#endif
+
         if(!(dpy = XOpenDisplay(0)))
                 eprint("slock: cannot open display\n");
         screen = DefaultScreen(dpy);
@@ -109,7 +125,9 @@ main(int argc, char **argv) {
         XSync(dpy, False);
 
         /* main event loop */
-        while(running && !XNextEvent(dpy, &ev))
+        while(running && !XNextEvent(dpy, &ev)) {
+                if(len == 0) 
+                        DPMSForceLevel(dpy, DPMSModeOff);
                 if(ev.type == KeyPress) {
                         buf[0] = 0;
                         num = XLookupString(&ev.xkey, buf, sizeof buf, &ksym, 0);
@@ -120,7 +138,14 @@ main(int argc, char **argv) {
                         switch(ksym) {
                         case XK_Return:
                                 passwd[len] = 0;
-                                if((running = strcmp(crypt(passwd, pws), pws)) != 0)
+
+#ifdef HAVE_BSD_AUTH
+                                running = !auth_userokay(getlogin(), NULL, "auth-xlock", passwd);
+#else
+                                running = strcmp(crypt(passwd, pws), pws);
+#endif
+
+                                if (running != 0)
                                         XBell(dpy, 100);
                                 len = 0;
                                 break;
@@ -139,6 +164,7 @@ main(int argc, char **argv) {
                                 break;
                         }
                 }
+        }
         XUngrabPointer(dpy, CurrentTime);
         XFreePixmap(dpy, pmap);
         XDestroyWindow(dpy, w);