Apple: Added privileged_startx

11 files changed, 582 insertions, 6 deletions

diff --git a/Makefile.am b/Makefile.am
index ae259bd..d514251 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -63,10 +63,14 @@ CPP_FILES_FLAGS = \
 	-D__bindir__="$(bindir)"
 
 if LAUNCHD
-launchagents_PRE = org.x.startx.plist.pre
-launchagents_DATA = $(launchagents_PRE:plist.pre=plist)
+launchagents_PRE = org.x.startx.plist.cpp
+launchagents_DATA = $(launchagents_PRE:plist.cpp=plist)
+
+SUBDIRS = privileged_startx
 endif
 
+DIST_SUBDIRS = privileged_startx
+
 xinitrc: xinitrc.cpp Makefile
 startx: startx.cpp Makefile
 
diff --git a/configure.ac b/configure.ac
index f473580..f33fd13 100644
--- a/configure.ac
+++ b/configure.ac
@@ -92,12 +92,13 @@ AC_ARG_WITH(xinit,
 	[XINIT="$withval"],
 	[XINIT="$DEFAULT_XINIT"])
 
-AC_ARG_WITH(launchd,          AS_HELP_STRING([--with-launchd], [Build with suppo
-rt for Apple's launchd (default: auto)]), [LAUNCHD=$withval], [LAUNCHD=auto])
-AC_ARG_WITH(launchagents-dir,AS_HELP_STRING([--with-launchagents-dir=PATH], [Pat
-h to launchd's LaunchAgents directory (default: /Library/LaunchAgents)]),
+AC_ARG_WITH(launchd,            AS_HELP_STRING([--with-launchd], [Build with support for Apple's launchd (default: auto)]), [LAUNCHD=$withval], [LAUNCHD=auto])
+AC_ARG_WITH(launchagents-dir,   AS_HELP_STRING([--with-launchagents-dir=PATH], [Path to launchd's LaunchAgents directory (default: /Library/LaunchAgents)]),
                                 [ launchagentsdir="${withval}" ],
                                 [ launchagentsdir="/Library/LaunchAgents" ])
+AC_ARG_WITH(launchdaemons-dir,  AS_HELP_STRING([--with-launchdaemons-dir=PATH], [Path to launchd's LaunchDaemonss directory (default: /Library/LaunchDaemons)]),
+                                [ launchdaemonsdir="${withval}" ],
+                                [ launchdaemonsdir="/Library/LaunchDaemons" ])
 
 if test "x$LAUNCHD" = "xauto"; then
 	unset LAUNCHD
@@ -121,8 +122,10 @@ if test "x$LAUNCHD" = "xyes" ; then
 else
 	AM_CONDITIONAL(APPLE,false)
         launchagentsdir=""
+        launchdaemonsdir=""
 fi
 AC_SUBST([launchagentsdir])
+AC_SUBST([launchdaemonsdir])
 AM_CONDITIONAL(LAUNCHD, [test "x$LAUNCHD" = "xyes"])
 
 # Checks for pkg-config packages
@@ -182,3 +185,4 @@ XORG_MANPAGE_SECTIONS
 XORG_RELEASE_VERSION
 
 AC_OUTPUT([Makefile])
+AC_OUTPUT([privileged_startx/Makefile])
diff --git a/privileged_startx/10-tmpdirs.cpp b/privileged_startx/10-tmpdirs.cpp
new file mode 100755
index 0000000..dd5071c
--- /dev/null
+++ b/privileged_startx/10-tmpdirs.cpp
@@ -0,0 +1,37 @@
+XCOMM!/bin/sh
+XCOMM Copyright (c) 2008 Apple Inc.
+XCOMM
+XCOMM Permission is hereby granted, free of charge, to any person
+XCOMM obtaining a copy of this software and associated documentation files
+XCOMM (the "Software"), to deal in the Software without restriction,
+XCOMM including without limitation the rights to use, copy, modify, merge,
+XCOMM publish, distribute, sublicense, and/or sell copies of the Software,
+XCOMM and to permit persons to whom the Software is furnished to do so,
+XCOMM subject to the following conditions:
+XCOMM
+XCOMM The above copyright notice and this permission notice shall be
+XCOMM included in all copies or substantial portions of the Software.
+XCOMM
+XCOMM THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+XCOMM EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+XCOMM MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+XCOMM NONINFRINGEMENT.  IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
+XCOMM HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+XCOMM WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+XCOMM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+XCOMM DEALINGS IN THE SOFTWARE.
+XCOMM
+XCOMM Except as contained in this notice, the name(s) of the above
+XCOMM copyright holders shall not be used in advertising or otherwise to
+XCOMM promote the sale, use or other dealings in this Software without
+XCOMM prior written authorization.
+
+XCOMM Make sure these are owned by root
+for dir in /tmp/.ICE-unix /tmp/.X11-unix /tmp/.font-unix ; do
+	# Use mktemp rather than mkdir to avoid possible security issue
+	# if $dir exists and is a symlink
+	if mktemp -d ${dir} > /dev/null ; then
+		chmod 1777 $dir
+		chown root:wheel $dir
+	fi
+done
diff --git a/privileged_startx/20-font_cache.cpp b/privileged_startx/20-font_cache.cpp
new file mode 100755
index 0000000..c13384b
--- /dev/null
+++ b/privileged_startx/20-font_cache.cpp
@@ -0,0 +1,35 @@
+XCOMM!/bin/sh
+XCOMM Copyright (c) 2008 Apple Inc.
+XCOMM
+XCOMM Permission is hereby granted, free of charge, to any person
+XCOMM obtaining a copy of this software and associated documentation files
+XCOMM (the "Software"), to deal in the Software without restriction,
+XCOMM including without limitation the rights to use, copy, modify, merge,
+XCOMM publish, distribute, sublicense, and/or sell copies of the Software,
+XCOMM and to permit persons to whom the Software is furnished to do so,
+XCOMM subject to the following conditions:
+XCOMM
+XCOMM The above copyright notice and this permission notice shall be
+XCOMM included in all copies or substantial portions of the Software.
+XCOMM
+XCOMM THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+XCOMM EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+XCOMM MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+XCOMM NONINFRINGEMENT.  IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
+XCOMM HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+XCOMM WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+XCOMM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+XCOMM DEALINGS IN THE SOFTWARE.
+XCOMM
+XCOMM Except as contained in this notice, the name(s) of the above
+XCOMM copyright holders shall not be used in advertising or otherwise to
+XCOMM promote the sale, use or other dealings in this Software without
+XCOMM prior written authorization.
+
+if [ -x BINDIR/font_cache ] ; then
+	BINDIR/font_cache &
+elif [ -x BINDIR/font_cache.sh ] ; then
+	BINDIR/font_cache.sh -s &
+elif [ -x /usr/X11/bin/fc-cache ] ; then
+	BINDIR/fc-cache &
+fi
diff --git a/privileged_startx/Makefile.am b/privileged_startx/Makefile.am
new file mode 100644
index 0000000..0a3956d
--- /dev/null
+++ b/privileged_startx/Makefile.am
@@ -0,0 +1,64 @@
+# Copyright (c) 2008 Apple Inc.
+#
+# 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 ABOVE LISTED COPYRIGHT
+# HOLDER(S) 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.
+#
+# Except as contained in this notice, the name(s) of the above
+# copyright holders shall not be used in advertising or otherwise to
+# promote the sale, use or other dealings in this Software without
+# prior written authorization.
+
+include $(top_srcdir)/cpprules.in
+
+xinitrcdir = $(libdir)/X11/xinit
+privstartxdir = $(xinitrcdir)/privileged_startx.d
+
+xinitrc_PROGRAMS = privileged_startx
+privstartx_SCRIPTS = 10-tmpdirs 20-font_cache
+
+AM_CPPFLAGS = -DXINITDIR=\"$(xinitrcdir)\" -DSCRIPTDIR=\"$(privstartxdir)\" -DBINDIR=\"$(bindir)\"
+
+CPP_FILES_FLAGS = -DXINITDIR="$(xinitrcdir)" -DSCRIPTDIR="$(privstartxdir)" -DBINDIR="$(bindir)"
+
+privileged_startx_SOURCES =	\
+	privileged_startxServer.c \
+	privileged_startxUser.c \
+	server.c \
+	client.c \
+	privileged_startx.c
+
+BUILT_SOURCES = \
+	privileged_startxServer.c \
+	privileged_startxUser.c \
+	privileged_startxServer.h \
+	privileged_startx.h
+
+launchdaemons_PRE = org.x.privileged_startx.plist.cpp
+launchdaemons_DATA = $(launchdaemons_PRE:plist.cpp=plist)
+
+10-tmpdirs: 10-tmpdirs.cpp Makefile
+20-font_cache: 20-font_cache.cpp Makefile
+
+CLEANFILES = $(privstartx_SCRIPTS) $(BUILT_SOURCES) $(launchdaemons_DATA)
+
+EXTRA_DIST = 10-tmpdirs.cpp 20-font_cache.cpp org.x.privileged_startx.plist.cpp privileged_startx.defs
+
+$(BUILT_SOURCES): privileged_startx.defs
+	mig -sheader privileged_startxServer.h privileged_startx.defs
diff --git a/privileged_startx/client.c b/privileged_startx/client.c
new file mode 100644
index 0000000..2a24a70
--- /dev/null
+++ b/privileged_startx/client.c
@@ -0,0 +1,56 @@
+/* Copyright (c) 2008 Apple Inc.
+ *
+ * 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 ABOVE LISTED COPYRIGHT
+ * HOLDER(S) 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.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#include <mach/mach.h>
+#include <mach/mach_error.h>
+#include <servers/bootstrap.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "privileged_startx.h"
+
+int client_main(void) {
+    kern_return_t kr;
+    mach_port_t mp;
+    
+    kr = bootstrap_look_up(bootstrap_port, BOOTSTRAP_NAME, &mp);
+    if (kr != KERN_SUCCESS) {
+        fprintf(stderr, "bootstrap_look_up(): %s\n", bootstrap_strerror(kr));
+        exit(EXIT_FAILURE);
+    }
+    
+    kr = privileged_startx(mp);
+    if (kr != KERN_SUCCESS) {
+        fprintf(stderr, "privileged_startx client: %s\n", mach_error_string(kr));
+        exit(EXIT_FAILURE);
+    }
+    
+    exit(EXIT_SUCCESS);
+}
diff --git a/privileged_startx/org.x.privileged_startx.plist.cpp b/privileged_startx/org.x.privileged_startx.plist.cpp
new file mode 100644
index 0000000..e878dc3
--- /dev/null
+++ b/privileged_startx/org.x.privileged_startx.plist.cpp
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>Label</key>
+		<string>org.x.privileged_startx</string>
+	<key>MachServices</key>
+		<dict>
+			<key>org.x.privileged_startx</key>
+				<true/>
+		</dict>
+	<key>ProgramArguments</key>
+		<array>
+			<string>XINITDIR/privileged_startx</string>
+			<string>-d</string>
+			<string>SCRIPTDIR</string>
+		</array>
+	<key>TimeOut</key>
+		<integer>60</integer>
+</dict>
+</plist>
diff --git a/privileged_startx/privileged_startx.c b/privileged_startx/privileged_startx.c
new file mode 100644
index 0000000..725a1b0
--- /dev/null
+++ b/privileged_startx/privileged_startx.c
@@ -0,0 +1,59 @@
+/* Copyright (c) 2008 Apple Inc.
+ *
+ * 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 ABOVE LISTED COPYRIGHT
+ * HOLDER(S) 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.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#ifndef SCRIPTDIR
+#define SCRIPTDIR="/usr/X11/lib/X11/xinit/privileged_startx.d"
+#endif
+
+static void usage(const char *prog) {
+    fprintf(stderr, "%s: usage\n", prog);
+    fprintf(stderr, "    %s [-d [<script dir>]]\n\n", prog);
+    fprintf(stderr, "              -d: Passed when called from launchd to denote server-mode.\n");
+    fprintf(stderr, "    <script dir>: Directory to use instead of %s\n", SCRIPTDIR);
+}
+
+int client_main(void);
+int server_main(const char *dir);
+
+int main(int argc, char *argv[]) {
+
+    if(argc == 1) {
+        return client_main();
+    } else if(!strncmp(argv[1], "-d", 2)) {
+        if(argc == 2)
+            return server_main(NULL);
+        else if(argc == 3)
+            return server_main(argv[2]);
+    }
+
+    usage(argv[0]);
+    return 1;
+}
diff --git a/privileged_startx/privileged_startx.defs b/privileged_startx/privileged_startx.defs
new file mode 100644
index 0000000..86f2b3a
--- /dev/null
+++ b/privileged_startx/privileged_startx.defs
@@ -0,0 +1,40 @@
+/* Copyright (c) 2008 Apple Inc.
+ *
+ * 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 ABOVE LISTED COPYRIGHT
+ * HOLDER(S) 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.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#include <mach/std_types.defs>
+#include <mach/mach_types.defs>
+import "privileged_startx_types.h";
+
+subsystem privileged_startx 12345;
+serverprefix do_;
+
+routine privileged_startx(
+	port		:	mach_port_t);
+
+routine idle_exit(
+	port		:	mach_port_t);
diff --git a/privileged_startx/privileged_startx_types.h b/privileged_startx/privileged_startx_types.h
new file mode 100644
index 0000000..fef7195
--- /dev/null
+++ b/privileged_startx/privileged_startx_types.h
@@ -0,0 +1,6 @@
+#ifndef _PRIV_STARTX_TYPES_H_
+#define _PRIV_STARTX_TYPES_H_
+
+#define BOOTSTRAP_NAME "org.x.privileged_startx"
+
+#endif
diff --git a/privileged_startx/server.c b/privileged_startx/server.c
new file mode 100644
index 0000000..7afd424
--- /dev/null
+++ b/privileged_startx/server.c
@@ -0,0 +1,250 @@
+/* Copyright (c) 2008 Apple Inc.
+ *
+ * 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 ABOVE LISTED COPYRIGHT
+ * HOLDER(S) 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.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#include <mach/mach.h>
+#include <mach/mach_error.h>
+#include <servers/bootstrap.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fts.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <sys/time.h>
+#include <launch.h>
+#include <asl.h>
+#include <pthread.h>
+#include <errno.h>
+
+#include "privileged_startx.h"
+#include "privileged_startxServer.h"
+
+union MaxMsgSize {
+    union __RequestUnion__privileged_startx_subsystem req;
+    union __ReplyUnion__privileged_startx_subsystem rep; 
+};
+
+/* globals to trigger idle exit */
+#define DEFAULT_IDLE_TIMEOUT 60 /* 60 second timeout, then the server exits */
+
+struct idle_globals {
+	mach_port_t      mp;
+	long    timeout;
+	struct timeval   lastmsg;
+};
+
+struct idle_globals idle_globals;
+
+#ifndef SCRIPTDIR
+#define SCRIPTDIR="/usr/X11/lib/X11/xinit/privileged_startx.d"
+#endif
+
+/* Default script dir */
+const char *script_dir = SCRIPTDIR;
+
+static void* idle_thread(void* param __attribute__((unused)));
+
+int server_main(const char *dir) {
+    mach_msg_size_t mxmsgsz = sizeof(union MaxMsgSize) + MAX_TRAILER_SIZE;
+    mach_port_t mp;
+    kern_return_t kr;
+    long idle_timeout = DEFAULT_IDLE_TIMEOUT;
+
+    launch_data_t config = NULL, checkin = NULL;
+    checkin = launch_data_new_string(LAUNCH_KEY_CHECKIN);
+    config = launch_msg(checkin);
+    if (!config || launch_data_get_type(config) == LAUNCH_DATA_ERRNO) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR, "launchd checkin failed");
+        exit(EXIT_FAILURE);
+    }
+
+    launch_data_t tmv;
+    tmv = launch_data_dict_lookup(config, LAUNCH_JOBKEY_TIMEOUT);
+    if (tmv) {
+        idle_timeout = launch_data_get_integer(tmv);
+        asl_log(NULL, NULL, ASL_LEVEL_DEBUG,
+                "idle timeout set: %ld seconds", idle_timeout);
+    }
+
+    if(dir) {
+        script_dir = dir;
+        asl_log(NULL, NULL, ASL_LEVEL_DEBUG,
+                "script directory set: %s", script_dir);
+    }
+
+    launch_data_t svc;
+    svc = launch_data_dict_lookup(config, LAUNCH_JOBKEY_MACHSERVICES);
+    if (!svc) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR, "no mach services");
+        exit(EXIT_FAILURE);
+    }
+
+    svc = launch_data_dict_lookup(svc, BOOTSTRAP_NAME);
+    if (!svc) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR, "no mach service: %s",
+                BOOTSTRAP_NAME);
+        exit(EXIT_FAILURE);
+    }
+
+    mp = launch_data_get_machport(svc);
+    if (mp == MACH_PORT_NULL) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR, "NULL mach service: %s",
+                BOOTSTRAP_NAME);
+        exit(EXIT_FAILURE);
+    }
+
+    /* insert a send right so we can send our idle exit message */
+    kr = mach_port_insert_right(mach_task_self(), mp, mp,
+                                MACH_MSG_TYPE_MAKE_SEND);
+    if (kr != KERN_SUCCESS) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR, "send right failed: %s",
+                mach_error_string(kr));
+        exit(EXIT_FAILURE);
+    }
+
+    /* spawn a thread to monitor our idle timeout */
+    pthread_t thread;
+    idle_globals.mp = mp;
+    idle_globals.timeout = idle_timeout;
+    gettimeofday(&idle_globals.lastmsg, NULL);
+    pthread_create(&thread, NULL, &idle_thread, NULL);
+
+    /* Main event loop */
+    kr = mach_msg_server(privileged_startx_server, mxmsgsz, mp, 0);
+    if (kr != KERN_SUCCESS) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR,
+                "mach_msg_server(mp): %s\n", mach_error_string(kr));
+        exit(EXIT_FAILURE);
+    }
+
+    exit(EXIT_SUCCESS);
+}
+
+static int ftscmp(const FTSENT **a, const FTSENT **b) {
+    return strcmp((**a).fts_name, (**b).fts_name);
+}
+
+kern_return_t do_privileged_startx(mach_port_t test_port __attribute__((unused))) {
+    kern_return_t retval = KERN_SUCCESS;
+    char fn_buf[PATH_MAX + 1];
+    char *s;
+    int error_code;
+    FTS *ftsp;
+    FTSENT *ftsent;
+
+    const char * path_argv[2] = {script_dir, NULL};
+
+    /* Store that we were called, so the idle timer will reset */
+    gettimeofday(&idle_globals.lastmsg, NULL);
+
+    /* script_dir contains a set of files to run with root privs when X11 starts */
+    ftsp = fts_open(path_argv, FTS_PHYSICAL, ftscmp);
+    if(!ftsp) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR,
+                "do_privileged_startx: fts_open(%s): %s\n",
+                script_dir, strerror(errno));
+        return KERN_FAILURE;
+    }
+
+    /* Grab our dir */
+    ftsent = fts_read(ftsp);
+    if(!ftsent) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR,
+                "do_privileged_startx: fts_read(): %s\n", strerror(errno));
+        fts_close(ftsp);
+        return KERN_FAILURE;
+    }
+
+    /* Get a list of the files in this directory */
+    ftsent = fts_children(ftsp, 0);
+    if(!ftsent) {
+        asl_log(NULL, NULL, ASL_LEVEL_ERR,
+                "do_privileged_startx: fts_children(): %s\n", strerror(errno));
+        fts_close(ftsp);
+        return KERN_FAILURE;
+    }
+
+    /* Setup the buffer to have the path to the script dir */
+    strncpy(fn_buf, script_dir, PATH_MAX-1);
+    strcat(fn_buf, "/");
+    s = strrchr(fn_buf, 0);
+
+    /* Itterate over these files in alphabetical order */
+    for(; ftsent; ftsent = ftsent->fts_link) {
+        /* We only source regular files that are executable */
+        /* Note: This assumes we own them, which should always be the case */
+        if((ftsent->fts_statp->st_mode & S_IFREG) &&
+           (ftsent->fts_statp->st_mode & S_IXUSR)) {
+
+            /* Complete the full path filename in fn_buf */
+            strcpy(s, ftsent->fts_name);
+
+            /* Run it */
+            error_code = system(fn_buf);
+            if(error_code != 0) {
+                asl_log(NULL, NULL, ASL_LEVEL_ERR,
+                        "do_privileged_startx: %s: exited with status %d\n",
+                        fn_buf, error_code);
+                retval = KERN_FAILURE;
+            }
+        }
+    }
+
+    fts_close(ftsp);
+    return retval;
+}
+
+kern_return_t do_idle_exit(mach_port_t test_port __attribute__((unused))) {
+    struct timeval now;
+    gettimeofday(&now, NULL);
+
+    long delta = now.tv_sec - idle_globals.lastmsg.tv_sec;
+    if (delta >= idle_globals.timeout) {
+        exit(EXIT_SUCCESS);
+    }
+
+    return KERN_SUCCESS;
+}
+
+static void *idle_thread(void* param __attribute__((unused))) {
+    for(;;) {
+        struct timeval now;
+        gettimeofday(&now, NULL);
+        long delta = (now.tv_sec - idle_globals.lastmsg.tv_sec);
+        if (delta < idle_globals.timeout) {
+            /* sleep for remainder of timeout */
+            sleep(idle_globals.timeout - delta);
+        } else {
+            /* timeout has elapsed, attempt to idle exit */
+            idle_exit(idle_globals.mp);
+        }
+    }
+    return NULL;
+}