Import slock-0.9 as i3lock

diff --git a/i3lock/LICENSE b/i3lock/LICENSE
new file mode 100644 (file)
index 0000000..faf1c09
--- /dev/null
+++ b/i3lock/LICENSE
@@ -0,0 +1,21 @@
+MIT/X Consortium License
+
+© 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"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

diff --git a/i3lock/Makefile b/i3lock/Makefile
new file mode 100644 (file)
index 0000000..2036f04
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+++ b/i3lock/Makefile
@@ -0,0 +1,50 @@
+# slock - simple screen locker
+# © 2006-2007 Anselm R. Garbe, Sander van Dijk
+
+include config.mk
+
+SRC = slock.c
+OBJ = ${SRC:.c=.o}
+
+all: options slock
+
+options:
+       @echo slock build options:
+       @echo "CFLAGS   = ${CFLAGS}"
+       @echo "LDFLAGS  = ${LDFLAGS}"
+       @echo "CC       = ${CC}"
+
+.c.o:
+       @echo CC $<
+       @${CC} -c ${CFLAGS} $<
+
+${OBJ}: config.mk
+
+slock: ${OBJ}
+       @echo CC -o $@
+       @${CC} -o $@ ${OBJ} ${LDFLAGS}
+
+clean:
+       @echo cleaning
+       @rm -f slock ${OBJ} slock-${VERSION}.tar.gz
+
+dist: clean
+       @echo creating dist tarball
+       @mkdir -p slock-${VERSION}
+       @cp -R LICENSE Makefile README config.mk ${SRC} slock-${VERSION}
+       @tar -cf slock-${VERSION}.tar slock-${VERSION}
+       @gzip slock-${VERSION}.tar
+       @rm -rf slock-${VERSION}
+
+install: all
+       @echo installing executable file to ${DESTDIR}${PREFIX}/bin
+       @mkdir -p ${DESTDIR}${PREFIX}/bin
+       @cp -f slock ${DESTDIR}${PREFIX}/bin
+       @chmod 755 ${DESTDIR}${PREFIX}/bin/slock
+       @chmod u+s ${DESTDIR}${PREFIX}/bin/slock
+
+uninstall:
+       @echo removing executable file from ${DESTDIR}${PREFIX}/bin
+       @rm -f ${DESTDIR}${PREFIX}/bin/slock
+
+.PHONY: all options clean dist install uninstall

diff --git a/i3lock/README b/i3lock/README
new file mode 100644 (file)
index 0000000..a81290d
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+++ b/i3lock/README
@@ -0,0 +1,24 @@
+slock - simple screen locker
+============================
+simple screen locker utility for X. 
+
+
+Requirements
+------------
+In order to build slock you need the Xlib header files.
+
+
+Installation
+------------
+Edit config.mk to match your local setup (slock is installed into
+the /usr/local namespace by default).
+
+Afterwards enter the following command to build and install slock
+(if necessary as root):
+
+    make clean install
+
+
+Running slock
+-------------
+Simply invoke the 'slock' command. To get out of it, enter your password.

diff --git a/i3lock/config.mk b/i3lock/config.mk
new file mode 100644 (file)
index 0000000..cfa5369
--- /dev/null
+++ b/i3lock/config.mk
@@ -0,0 +1,30 @@
+# slock version
+VERSION = 0.9
+
+# Customize below to fit your system
+
+# paths
+PREFIX = /usr/local
+
+X11INC = /usr/X11R6/include
+X11LIB = /usr/X11R6/lib
+
+# includes and libs
+INCS = -I. -I/usr/include -I${X11INC}
+LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext
+
+# flags
+CPPFLAGS = -DVERSION=\"${VERSION}\" -DHAVE_SHADOW_H
+CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
+LDFLAGS = -s ${LIBS}
+
+# On *BSD remove -DHAVE_SHADOW_H from CPPFLAGS and add -DHAVE_BSD_AUTH
+# On OpenBSD and Darwin remove -lcrypt from LIBS
+
+# compiler and linker
+CC = 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/i3lock/slock.c b/i3lock/slock.c
new file mode 100644 (file)
index 0000000..6f2e8af
--- /dev/null
+++ b/i3lock/slock.c
@@ -0,0 +1,178 @@
+/* See LICENSE file for license details. */
+#define _XOPEN_SOURCE 500
+#if HAVE_SHADOW_H
+#include <shadow.h>
+#endif
+
+#include <ctype.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#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
+
+static void
+die(const char *errstr, ...) {
+       va_list ap;
+
+       va_start(ap, errstr);
+       vfprintf(stderr, errstr, ap);
+       va_end(ap);
+       exit(EXIT_FAILURE);
+}
+
+#ifndef HAVE_BSD_AUTH
+static const char *
+get_password() { /* only run as root */
+       const char *rval;
+       struct passwd *pw;
+
+       if(geteuid() != 0)
+               die("slock: cannot retrieve password entry (make sure to suid slock)\n");
+       pw = getpwuid(getuid());
+       endpwent();
+       rval =  pw->pw_passwd;
+
+#if HAVE_SHADOW_H
+       {
+               struct spwd *sp;
+               sp = getspnam(getenv("USER"));
+               endspent();
+               rval = sp->sp_pwdp;
+       }
+#endif
+
+       /* drop privileges */
+       if(setgid(pw->pw_gid) < 0 || setuid(pw->pw_uid) < 0)
+               die("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;
+       Display *dpy;
+       KeySym ksym;
+       Pixmap pmap;
+       Window root, w;
+       XColor black, dummy;
+       XEvent ev;
+       XSetWindowAttributes wa;
+
+       if((argc == 2) && !strcmp("-v", argv[1]))
+               die("slock-"VERSION", © 2006-2008 Anselm R Garbe\n");
+       else if(argc != 1)
+               die("usage: slock [-v]\n");
+
+#ifndef HAVE_BSD_AUTH
+       pws = get_password();
+#endif
+
+       if(!(dpy = XOpenDisplay(0)))
+               die("slock: cannot open display\n");
+       screen = DefaultScreen(dpy);
+       root = RootWindow(dpy, screen);
+
+       /* init */
+       wa.override_redirect = 1;
+       wa.background_pixel = BlackPixel(dpy, screen);
+       w = XCreateWindow(dpy, root, 0, 0, DisplayWidth(dpy, screen), DisplayHeight(dpy, screen),
+                       0, DefaultDepth(dpy, screen), CopyFromParent,
+                       DefaultVisual(dpy, screen), CWOverrideRedirect | CWBackPixel, &wa);
+       XAllocNamedColor(dpy, DefaultColormap(dpy, screen), "black", &black, &dummy);
+       pmap = XCreateBitmapFromData(dpy, w, curs, 8, 8);
+       invisible = XCreatePixmapCursor(dpy, pmap, pmap, &black, &black, 0, 0);
+       XDefineCursor(dpy, w, invisible);
+       XMapRaised(dpy, w);
+       for(len = 1000; len; len--) {
+               if(XGrabPointer(dpy, root, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+                       GrabModeAsync, GrabModeAsync, None, invisible, CurrentTime) == GrabSuccess)
+                       break;
+               usleep(1000);
+       }
+       if((running = running && (len > 0))) {
+               for(len = 1000; len; len--) {
+                       if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
+                               == GrabSuccess)
+                               break;
+                       usleep(1000);
+               }
+               running = (len > 0);
+       }
+       len = 0;
+       XSync(dpy, False);
+
+       /* main event loop */
+       while(running && !XNextEvent(dpy, &ev)) {
+               if(len == 0 && DPMSCapable(dpy)) {
+                       DPMSEnable(dpy);
+                       DPMSForceLevel(dpy, DPMSModeOff);
+               }
+               if(ev.type == KeyPress) {
+                       buf[0] = 0;
+                       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;
+#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;
+                       case XK_Escape:
+                               len = 0;
+                               break;
+                       case XK_BackSpace:
+                               if(len)
+                                       --len;
+                               break;
+                       default:
+                               if(num && !iscntrl((int) buf[0]) && (len + num < sizeof passwd)) { 
+                                       memcpy(passwd + len, buf, num);
+                                       len += num;
+                               }
+                               break;
+                       }
+               }
+       }
+       XUngrabPointer(dpy, CurrentTime);
+       XFreePixmap(dpy, pmap);
+       XDestroyWindow(dpy, w);
+       XCloseDisplay(dpy);
+       return 0;
+}