slock

simple X display locker utility
git clone git://git.suckless.org/slock
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commit 98e2fef63d2e6dbda63929867db70bee1f8b55f5
parent a430a647e48a894499143b03da86e5707b4127df
Author: Anselm R Garbe <garbeam@gmail.com>
Date:   Fri, 22 Feb 2008 10:13:12 +0000

applied two patches, BSD_AUTH patch and Gottox' DPMS support patch
Diffstat:
LICENSE | 2+-
config.mk | 11++++++++---
slock.c | 34++++++++++++++++++++++++++++++----
3 files changed, 39 insertions(+), 8 deletions(-)

diff --git 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 @@ -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 @@ -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);