organize repository layout

1 files changed, 0 insertions, 576 deletions

diff --git a/slock/slock.c b/slock/slock.c
deleted file mode 100644
index 962cc1d..0000000
--- a/slock/slock.c
+++ /dev/null
@@ -1,576 +0,0 @@
-/* See LICENSE file for license details. */
-#define _XOPEN_SOURCE 500
-#if HAVE_SHADOW_H
-#include <shadow.h>
-#endif
-
-#include <ctype.h>
-#include <errno.h>
-#include <grp.h>
-#include <pwd.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <spawn.h>
-#include <sys/types.h>
-#include <time.h>
-#include <poll.h>
-#include <X11/extensions/Xrandr.h>
-#include <X11/keysym.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xft/Xft.h>
-#include <Imlib2.h>
-#include "../accent.h"
-
-#include "arg.h"
-#include "util.h"
-
-char *argv0;
-
-enum {
-	INIT,
-	INPUT,
-	FAILED,
-	NUMCOLS
-};
-
-struct lock {
-        int screen;
-        Window root, win;
-        Pixmap pmap;
-        Pixmap bgmap;
-        unsigned long colors[NUMCOLS];
-        XftDraw *draw;
-};
-
-struct xrandr {
-        int active;
-        int evbase;
-        int errbase;
-};
-
-#include "config.h"
-
-static ColorShm *accentshm;
-static char accentcol[8] = "#005577";
-static XftFont *font;
-
-static const char *icon[] = {
-"                   ██████████████                                   ██████████████                   ",
-"                   ██████████████                                   █████████████                   ",
-"                   ██████▓▓▓█████                                   █████▓▓▓██████                   ",
-"                   █████▓▓▓▓█████                                   █████▓▓▓▓█████                   ",
-"                   █████▓▓▓▓█████                                   █████▓▓▓▓█████                   ",
-"                   █████▓▓▓▓▓████                                   ████▓▓▓▓▓█████                   ",
-"                   █████▓▓▓▓▓████████   █████████████████████   ████████▓▓▓▓▓█████                   ",
-"                   ██████▓▓▓▓▓▓▓█████   █████████████████████   █████▓▓▓▓▓▓▓██████                   ",
-"▓▓▓▓▓▓▓▓           ██████▓▓▓▓▓▓▓█████   █████████████████████   █████▓▓▓▓▓▓▓██████           ▓▓▓▓▓▓▓▓",
-"▓▓▓▓▓▓▓▓▓              █████▓▓▓▓▓████   ████▓▒▒▒▒▓▓▓▒▒▒▒▓████   ████▓▓▓▓▓█████              ▓▓▓▓▓▓▓▓▓",
-"▓▓▓▓▓▓▓▓▓              █████▓▓▓▓▓████   ████▓▒▒▒▒▓▓▓▒▒▒▒▓████   ████▓▓▓▓▓█████              ▓▓▓▓▓▓▓▓▓",
-"▓▓▓▓▒░░░▒▓▓▓▓          █████▓▓▓▓▓▓▓▓█████▓▓▓▓▒▒▒▒▒▒▒▒▒▒▒▒▓▓▓█████▓▓▓▓▓▓▓▓█████          ▓▓▓▓▒░░░▒▓▓▓▓",
-"▓▓▓▓▒░░░▒▓▓▓▓          █████▓▓▓▓▓▓▓▓█████▓▓▓▓▒▒▒▒▒▒▒▒▒▒▒▒▓▓▓█████▓▓▓▓▓▓▓▓█████          ▓▓▓▓▒░░░░▓▓▓▓",
-"▓▓▓▓▒▒▒▒░░░░▒▓▓▓▓  █████████▓▓▓▓▓▒▒▒▓███▓▓▓▓▓▓▓▓█████▓▓▓▓▓▓▓▓███▓▒▒▒▒▓▓▓▓█████████  ▓▓▓▓▒░░░░▒▒▒▒▓▓▓▓",
-"   ▒▒▒▒▒░░░░▒▓▓▓▓  ██████████▓▓▓▒▒▒▒▓███▓▓▓▓▓███████████▓▓▓▓▓███▓▒▒▒▒▓▓▓▓█████████  ▓▓▓▓▒░░░░▒▒▒▒▒   ",
-"   ▓▓▓▓▓░░░░▒▒▒▒▓▓▓▓████████████▓▒▒▒▓███████▓▓▓▓█████▓▓▓▓███████▓▒▒▒▒▓████████████▓▓▓▒▒▒▒░░░░▒▓▓▓▓   ",
-"   ████▓▒░░░░░░▒▒▓▓▓████████████▓▒▒▒▓████████▓▓▓▓▓▓▓▓▓▓▓████████▓▒▒▒▓████████████▓▓▓▓▒░░░░░░░▓████   ",
-"   ████▓▒▒▒▒░░░░▒▓▓▓▓███████████▓▒▒▒▓▓▓▓████▓▒▒▒▒▒▒▒▒▒▒▒▓████▓▓▓▓▒▒▒▓████████████▓▓▓▒▒░░░▒▒▒▒▓████   ",
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-"       ▓▓▓▓▓▒░░░▒▒▒▒▒▒▒▒▓▓▓▓████▓▓▓▒▒░░░▒███▒░░░░░░░░░░░▒▓██▓░░░▒▒▓▓▓████▓▓▓▓▒▒▒▒▒▒▒▒░░░▒▓▓▓▓▓       ",
-"           ▓▓▓▓▓▓▒▒▒▒▒▒▒▒▒▒▒▓██████▓▒░░░░░░░▒▒▒▒▒▒▒▒▒▒▒▒▒▒░░░░░░▒▓██████▓▒▒▒▒▒▒▒▒▒▒▒▓▓▓▓▓▓           ",
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-"           ████▓▓▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▒▓▓████           ",
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-"           █████████████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▒▒▒▒▒▒▒▒▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█████████████           ",
-"           █████▓▓▓▓████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓████▓▓▓▓█████           ",
-"           ████▓▓▒▒▒▓███████████▓▓▓▓▓▓▓▓▒░░░░░░░░░░░░░░░░░░░▒▒▓▓▓▓▓▓▓███████████▓▒▒▒▒▓████           ",
-"        ████▓▓▓▓▒▒▒▒▓▓▓▓████████▓▓▓▓▓▓▓▓▒▒▒▒▒░░░░░░░░░░░░▒▒▒▒▓▓▓▓▓▓▓▓█████████▓▓▓▒▒▒▒▓▓▓▓████        ",
-"       █████▓▒▒▒▒▒▒▒▒▓▓▓▓▓▓▓████████████▓▓▓▓▒░░░░░░░░░░░▒▓▓▓▓████████████▓▓▓▓▓▓▓▒▒▒▒▒▒▒▒▓█████       ",
-"       █████▓▒▒▒▒▒▒▒▒▓▓▓▓▓▓▓████████████▓▓▓▓▒░░░░░░░░░░░▒▓▓▓▓████████████▓▓▓▓▓▓▓▒▒▒▒▒▒▒▒▓█████       ",
-"       █████▓▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓███████████████████████████████████████████▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▒▓█████       ",
-"       █████▓▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓██████████████████████████████████████████▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▒▓█████       ",
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-"       ██████▓▓▓▓▓▓▓▓████████▓▓▓█████████████▓▓▓█████▓▓▓█████████████▓▓▓████████▓▓▓▓▓▓▓▓▓█████       ",
-"       █████████▓▓▓▓▓████████▓▓▓▓████████████▓▓▓█████▓▓▓▓████████████▓▓▓████████▓▓▓▓▓█████████       ",
-"           █████▓▓▓▓▓████████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓████████▓▓▓▓▓█████           ",
-"           ██████▓▓▓▓▓▓▓████████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓████████▓▓▓▓▓▓▓▓█████           ",
-"           ██████▓▓▓▓▓▓▓▓████████▓▓▓█████████▓▓▓▓▓▓▓▓▓▓▓█████████▓▓▓████████▓▓▓▓▓▓▓▓██████           ",
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-"                       ██████▓▓▓▓▓▓██████▓▓▓████▓▓▓▓▓████▓▓▓██████▓▓▓▓▓▓▓█████                       ",
-"                       ██████▓▓▓▓▓▓▓█████▓▓▓████▓▓▓▓▓████▓▓▓██████▓▓▓▓▓▓▓█████                       ",
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-"                       ██████▓▓▓▓▓▓▓█████████▓▓▓▓███▓▓▓▓██████████▓▓▓▓▓▓██████                       ",
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-"                       █████████████████████▓▓▓▓▓▓▓▓▓▓▓▓▓█████████████████████                       ",
-"                            ████████████████▓▓▓▓▓▓▓▓▓▓▓██████████████████                           ",
-"                            ██████████████████████████████████████████████                           ",
-"                                            █████████████                                            ",
-"                                            █████████████                                            ",
-NULL};
-
-static void
-updateaccent(void)
-{
-        if (!readaccent(&accentshm, accentcol))
-                memcpy(accentcol, "#005577", 8);
-}
-
-static void
-drawlogo(Display *dpy, struct lock *lock, const char *col)
-{
-        XftColor xftc;
-        XGlyphInfo ext;
-        int i, x, y, w, h, lines = 0, maxw = 0, lineh;
-        size_t len;
-
-        w = DisplayWidth(dpy, lock->screen);
-        h = DisplayHeight(dpy, lock->screen);
-        lineh = font->ascent + font->descent;
-
-        for (i = 0; icon[i]; i++) {
-                len = strlen(icon[i]);
-                while (len && icon[i][len - 1] == ' ')
-                        len--;
-                XftTextExtentsUtf8(dpy, font, (FcChar8 *)icon[i], len, &ext);
-                if (ext.xOff > maxw)
-                        maxw = ext.xOff;
-                lines++;
-        }
-        x = (w - maxw) / 2;
-        y = (h - lines * lineh) / 2 + font->ascent;
-
-        if (!XftColorAllocName(dpy, DefaultVisual(dpy, lock->screen),
-                               DefaultColormap(dpy, lock->screen), col, &xftc))
-                return;
-
-        XClearWindow(dpy, lock->win);
-        for (i = 0; icon[i]; i++) {
-                len = strlen(icon[i]);
-                while (len && icon[i][len - 1] == ' ')
-                        len--;
-                XftDrawStringUtf8(lock->draw, &xftc, font, x, y,
-                                  (FcChar8 *)icon[i], len);
-                y += lineh;
-        }
-
-        XftColorFree(dpy, DefaultVisual(dpy, lock->screen),
-                     DefaultColormap(dpy, lock->screen), &xftc);
-}
-
-static void
-blurbackground(Display *dpy, struct lock *lock)
-{
-        int w = DisplayWidth(dpy, lock->screen);
-        int h = DisplayHeight(dpy, lock->screen);
-
-        imlib_context_set_display(dpy);
-        imlib_context_set_visual(DefaultVisual(dpy, lock->screen));
-        imlib_context_set_colormap(DefaultColormap(dpy, lock->screen));
-        imlib_context_set_drawable(lock->root);
-
-        Imlib_Image img = imlib_create_image_from_drawable(0, 0, 0, w, h, 1);
-        if (!img)
-                return;
-        imlib_context_set_image(img);
-        imlib_image_blur(20);
-
-        lock->bgmap = XCreatePixmap(dpy, lock->root, w, h,
-                                    DefaultDepth(dpy, lock->screen));
-        imlib_context_set_drawable(lock->bgmap);
-        imlib_render_image_on_drawable(0, 0);
-        imlib_free_image();
-
-        XSetWindowBackgroundPixmap(dpy, lock->win, lock->bgmap);
-}
-
-static void
-die(const char *errstr, ...)
-{
-	va_list ap;
-
-	va_start(ap, errstr);
-	vfprintf(stderr, errstr, ap);
-	va_end(ap);
-	exit(1);
-}
-
-#ifdef __linux__
-#include <fcntl.h>
-#include <linux/oom.h>
-
-static void
-dontkillme(void)
-{
-	FILE *f;
-	const char oomfile[] = "/proc/self/oom_score_adj";
-
-	if (!(f = fopen(oomfile, "w"))) {
-		if (errno == ENOENT)
-			return;
-		die("slock: fopen %s: %s\n", oomfile, strerror(errno));
-	}
-	fprintf(f, "%d", OOM_SCORE_ADJ_MIN);
-	if (fclose(f)) {
-		if (errno == EACCES)
-			die("slock: unable to disable OOM killer. "
-			    "Make sure to suid or sgid slock.\n");
-		else
-			die("slock: fclose %s: %s\n", oomfile, strerror(errno));
-	}
-}
-#endif
-
-static const char *
-gethash(void)
-{
-	const char *hash;
-	struct passwd *pw;
-
-	/* Check if the current user has a password entry */
-	errno = 0;
-	if (!(pw = getpwuid(getuid()))) {
-		if (errno)
-			die("slock: getpwuid: %s\n", strerror(errno));
-		else
-			die("slock: cannot retrieve password entry\n");
-	}
-	hash = pw->pw_passwd;
-
-#if HAVE_SHADOW_H
-	if (!strcmp(hash, "x")) {
-		struct spwd *sp;
-		if (!(sp = getspnam(pw->pw_name)))
-			die("slock: getspnam: cannot retrieve shadow entry. "
-			    "Make sure to suid or sgid slock.\n");
-		hash = sp->sp_pwdp;
-	}
-#else
-	if (!strcmp(hash, "*")) {
-#ifdef __OpenBSD__
-		if (!(pw = getpwuid_shadow(getuid())))
-			die("slock: getpwnam_shadow: cannot retrieve shadow entry. "
-			    "Make sure to suid or sgid slock.\n");
-		hash = pw->pw_passwd;
-#else
-		die("slock: getpwuid: cannot retrieve shadow entry. "
-		    "Make sure to suid or sgid slock.\n");
-#endif /* __OpenBSD__ */
-	}
-#endif /* HAVE_SHADOW_H */
-
-	return hash;
-}
-
-static void
-readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
-       const char *hash)
-{
-        XRRScreenChangeNotifyEvent *rre;
-        char buf[32], passwd[256], *inputhash;
-        int num, screen, running, failure;
-        unsigned int len;
-        KeySym ksym;
-        XEvent ev;
-        struct pollfd pfd;
-        time_t last;
-        const char *col, *oldcol = NULL;
-        char lastaccent[8];
-
-        len = 0;
-        running = 1;
-        failure = 0;
-
-        updateaccent();
-        memcpy(lastaccent, accentcol, 8);
-        col = accentcol;
-        last = time(NULL);
-        for (screen = 0; screen < nscreens; screen++)
-                drawlogo(dpy, locks[screen], col);
-
-        pfd.fd = ConnectionNumber(dpy);
-        pfd.events = POLLIN;
-
-        while (running) {
-               /* poll at ~60Hz so accent gradients appear smooth */
-               if (poll(&pfd, 1, 5) > 0) {
-                        while (XPending(dpy)) {
-                                XNextEvent(dpy, &ev);
-                                if (ev.type == KeyPress) {
-                                        last = time(NULL);
-                                        explicit_bzero(&buf, sizeof(buf));
-                                        num = XLookupString(&ev.xkey, buf, sizeof(buf), &ksym, 0);
-                                        if (IsKeypadKey(ksym)) {
-                                                if (ksym == XK_KP_Enter)
-                                                        ksym = XK_Return;
-                                                else if (ksym >= XK_KP_0 && ksym <= XK_KP_9)
-                                                        ksym = (ksym - XK_KP_0) + XK_0;
-                                        }
-                                        if (IsFunctionKey(ksym) ||
-                                            IsKeypadKey(ksym) ||
-                                            IsMiscFunctionKey(ksym) ||
-                                            IsPFKey(ksym) ||
-                                            IsPrivateKeypadKey(ksym))
-                                                continue;
-                                        switch (ksym) {
-                                        case XK_Return:
-                                                passwd[len] = '\0';
-                                                errno = 0;
-                                                if (!(inputhash = crypt(passwd, hash)))
-                                                        fprintf(stderr, "slock: crypt: %s\n", strerror(errno));
-                                                else
-                                                        running = !!strcmp(inputhash, hash);
-                                                if (running) {
-                                                        XBell(dpy, 100);
-                                                        failure = 1;
-                                                }
-                                                explicit_bzero(&passwd, sizeof(passwd));
-                                                len = 0;
-                                                break;
-                                        case XK_Escape:
-                                                explicit_bzero(&passwd, sizeof(passwd));
-                                                len = 0;
-                                                break;
-                                        case XK_BackSpace:
-                                                if (len)
-                                                        passwd[--len] = '\0';
-                                                break;
-                                        default:
-                                                if (num && !iscntrl((int)buf[0]) &&
-                                                    (len + num < sizeof(passwd))) {
-                                                        memcpy(passwd + len, buf, num);
-                                                        len += num;
-                                                } else if (buf[0] == '\025') { /* ctrl-u clears input */
-                                                        explicit_bzero(&passwd, sizeof(passwd));
-                                                        len = 0;
-                                                }
-                                                break;
-                                        }
-                                } else if (rr->active && ev.type == rr->evbase + RRScreenChangeNotify) {
-                                        rre = (XRRScreenChangeNotifyEvent*)&ev;
-                                        for (screen = 0; screen < nscreens; screen++) {
-                                                if (locks[screen]->win == rre->window) {
-                                                        if (rre->rotation == RR_Rotate_90 ||
-                                                            rre->rotation == RR_Rotate_270)
-                                                                XResizeWindow(dpy, locks[screen]->win,
-                                                                              rre->height, rre->width);
-                                                        else
-                                                                XResizeWindow(dpy, locks[screen]->win,
-                                                                              rre->width, rre->height);
-                                                        XClearWindow(dpy, locks[screen]->win);
-                                                        drawlogo(dpy, locks[screen], col);
-                                                        break;
-                                                }
-                                        }
-                                } else {
-                                        for (screen = 0; screen < nscreens; screen++)
-                                                XRaiseWindow(dpy, locks[screen]->win);
-                                }
-                        }
-                }
-
-                updateaccent();
-                int idle = time(NULL) - last >= 3;
-
-                if (!idle && len)
-                        col = colorname[INPUT];
-                else if (!idle && (failure || failonclear))
-                        col = colorname[FAILED];
-                else
-                        col = accentcol;
-
-                if ((col == accentcol && memcmp(accentcol, lastaccent, 8) != 0) || col != oldcol) {
-                        memcpy(lastaccent, accentcol, 8);
-                        for (screen = 0; screen < nscreens; screen++)
-                                drawlogo(dpy, locks[screen], col);
-                        oldcol = col;
-                }
-        }
-}
-
-static struct lock *
-lockscreen(Display *dpy, struct xrandr *rr, int screen)
-{
-	char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
-	int i, ptgrab, kbgrab;
-	struct lock *lock;
-	XColor color, dummy;
-	XSetWindowAttributes wa;
-	Cursor invisible;
-
-	if (dpy == NULL || screen < 0 || !(lock = malloc(sizeof(struct lock))))
-		return NULL;
-
-	lock->screen = screen;
-	lock->root = RootWindow(dpy, lock->screen);
-
-        for (i = 0; i < NUMCOLS; i++) {
-                XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen),
-                                 colorname[i], &color, &dummy);
-                lock->colors[i] = color.pixel;
-        }
-
-	/* init */
-        wa.override_redirect = 1;
-        wa.background_pixel = lock->colors[INIT];
-        lock->win = XCreateWindow(dpy, lock->root, 0, 0,
-                                  DisplayWidth(dpy, lock->screen),
-                                  DisplayHeight(dpy, lock->screen),
-                                  0, DefaultDepth(dpy, lock->screen),
-                                  CopyFromParent,
-                                  DefaultVisual(dpy, lock->screen),
-                                  CWOverrideRedirect | CWBackPixel, &wa);
-	lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
-	invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap,
-	                                &color, &color, 0, 0);
-        XDefineCursor(dpy, lock->win, invisible);
-
-        blurbackground(dpy, lock);
-
-        if (!font)
-                font = XftFontOpenName(dpy, lock->screen, "monospace:size=10");
-        lock->draw = XftDrawCreate(dpy, lock->win,
-                                   DefaultVisual(dpy, lock->screen),
-                                   DefaultColormap(dpy, lock->screen));
-
-	/* Try to grab mouse pointer *and* keyboard for 600ms, else fail the lock */
-	for (i = 0, ptgrab = kbgrab = -1; i < 6; i++) {
-		if (ptgrab != GrabSuccess) {
-			ptgrab = XGrabPointer(dpy, lock->root, False,
-			                      ButtonPressMask | ButtonReleaseMask |
-			                      PointerMotionMask, GrabModeAsync,
-			                      GrabModeAsync, None, invisible, CurrentTime);
-		}
-		if (kbgrab != GrabSuccess) {
-			kbgrab = XGrabKeyboard(dpy, lock->root, True,
-			                       GrabModeAsync, GrabModeAsync, CurrentTime);
-		}
-
-		/* input is grabbed: we can lock the screen */
-		if (ptgrab == GrabSuccess && kbgrab == GrabSuccess) {
-			XMapRaised(dpy, lock->win);
-			if (rr->active)
-				XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask);
-
-			XSelectInput(dpy, lock->root, SubstructureNotifyMask);
-			return lock;
-		}
-
-		/* retry on AlreadyGrabbed but fail on other errors */
-		if ((ptgrab != AlreadyGrabbed && ptgrab != GrabSuccess) ||
-		    (kbgrab != AlreadyGrabbed && kbgrab != GrabSuccess))
-			break;
-
-		usleep(100000);
-	}
-
-	/* we couldn't grab all input: fail out */
-	if (ptgrab != GrabSuccess)
-		fprintf(stderr, "slock: unable to grab mouse pointer for screen %d\n",
-		        screen);
-	if (kbgrab != GrabSuccess)
-		fprintf(stderr, "slock: unable to grab keyboard for screen %d\n",
-		        screen);
-	return NULL;
-}
-
-static void
-usage(void)
-{
-	die("usage: slock [-v] [cmd [arg ...]]\n");
-}
-
-int
-main(int argc, char **argv) {
-	struct xrandr rr;
-	struct lock **locks;
-	struct passwd *pwd;
-	struct group *grp;
-	uid_t duid;
-	gid_t dgid;
-	const char *hash;
-	Display *dpy;
-	int s, nlocks, nscreens;
-
-	ARGBEGIN {
-	case 'v':
-		puts("slock-"VERSION);
-		return 0;
-	default:
-		usage();
-	} ARGEND
-
-	/* validate drop-user and -group */
-	errno = 0;
-	if (!(pwd = getpwnam(user)))
-		die("slock: getpwnam %s: %s\n", user,
-		    errno ? strerror(errno) : "user entry not found");
-	duid = pwd->pw_uid;
-	errno = 0;
-	if (!(grp = getgrnam(group)))
-		die("slock: getgrnam %s: %s\n", group,
-		    errno ? strerror(errno) : "group entry not found");
-	dgid = grp->gr_gid;
-
-#ifdef __linux__
-	dontkillme();
-#endif
-
-	hash = gethash();
-	errno = 0;
-	if (!crypt("", hash))
-		die("slock: crypt: %s\n", strerror(errno));
-
-	if (!(dpy = XOpenDisplay(NULL)))
-		die("slock: cannot open display\n");
-
-	/* drop privileges */
-	if (setgroups(0, NULL) < 0)
-		die("slock: setgroups: %s\n", strerror(errno));
-	if (setgid(dgid) < 0)
-		die("slock: setgid: %s\n", strerror(errno));
-	if (setuid(duid) < 0)
-		die("slock: setuid: %s\n", strerror(errno));
-
-	/* check for Xrandr support */
-	rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase);
-
-	/* get number of screens in display "dpy" and blank them */
-	nscreens = ScreenCount(dpy);
-	if (!(locks = calloc(nscreens, sizeof(struct lock *))))
-		die("slock: out of memory\n");
-	for (nlocks = 0, s = 0; s < nscreens; s++) {
-		if ((locks[s] = lockscreen(dpy, &rr, s)) != NULL)
-			nlocks++;
-		else
-			break;
-	}
-	XSync(dpy, 0);
-
-	/* did we manage to lock everything? */
-	if (nlocks != nscreens)
-		return 1;
-
-	/* run post-lock command */
-	if (argc > 0) {
-		pid_t pid;
-		extern char **environ;
-		int err = posix_spawnp(&pid, argv[0], NULL, NULL, argv, environ);
-		if (err) {
-			die("slock: failed to execute post-lock command: %s: %s\n",
-			    argv[0], strerror(err));
-		}
-	}
-
-	/* everything is now blank. Wait for the correct password */
-	readpw(dpy, &rr, locks, nscreens, hash);
-
-	return 0;
-}