twin/slock
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applied two patches, BSD_AUTH patch and Gottox' DPMS support patch

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This commit is contained in:
Anselm R Garbe
2008-02-22 10:13:12 +00:00
parent a430a647e4
commit 98e2fef63d
3 changed files with 39 additions and 8 deletions
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34
slock.c
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@@ -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);