diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
new file mode 100644
index 0000000..c855187
--- /dev/null
+++ b/include/private/android_filesystem_config.h
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* This file is used to define the properties of the filesystem
+** images generated by build tools (mkbootfs and mkyaffs2image) and
+** by the device side of adb.
+*/
+
+#ifndef _ANDROID_FILESYSTEM_CONFIG_H_
+#define _ANDROID_FILESYSTEM_CONFIG_H_
+
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+/* This is the master Users and Groups config for the platform.
+** DO NOT EVER RENUMBER.
+*/
+
+#define AID_ROOT             0  /* traditional unix root user */
+
+#define AID_SYSTEM        1000  /* system server */
+
+#define AID_RADIO         1001  /* telephony subsystem, RIL */
+#define AID_BLUETOOTH     1002  /* bluetooth subsystem */
+#define AID_GRAPHICS      1003  /* graphics devices */
+#define AID_INPUT         1004  /* input devices */
+#define AID_AUDIO         1005  /* audio devices */
+#define AID_CAMERA        1006  /* camera devices */
+#define AID_LOG           1007  /* log devices */
+#define AID_COMPASS       1008  /* compass device */
+#define AID_MOUNT         1009  /* mountd socket */
+#define AID_WIFI          1010  /* wifi subsystem */
+#define AID_ADB           1011  /* android debug bridge (adbd) */
+#define AID_INSTALL       1012  /* group for installing packages */
+#define AID_MEDIA         1013  /* mediaserver process */
+#define AID_DHCP          1014  /* dhcp client */
+
+#define AID_SHELL         2000  /* adb and debug shell user */
+#define AID_CACHE         2001  /* cache access */
+#define AID_DIAG          2002  /* access to diagnostic resources */
+
+/* The 3000 series are intended for use as supplemental group id's only.
+ * They indicate special Android capabilities that the kernel is aware of. */
+#define AID_NET_BT_ADMIN  3001  /* bluetooth: create any socket */
+#define AID_NET_BT        3002  /* bluetooth: create sco, rfcomm or l2cap sockets */
+#define AID_INET          3003  /* can create AF_INET and AF_INET6 sockets */
+#define AID_NET_RAW       3004  /* can create raw INET sockets */
+
+#define AID_MISC          9998  /* access to misc storage */
+#define AID_NOBODY        9999
+
+#define AID_APP          10000 /* first app user */
+
+#if !defined(EXCLUDE_FS_CONFIG_STRUCTURES)
+struct android_id_info {
+    const char *name;
+    unsigned aid;
+};
+
+static struct android_id_info android_ids[] = {
+    { "root",      AID_ROOT, },
+    { "system",    AID_SYSTEM, },
+    { "radio",     AID_RADIO, },
+    { "bluetooth", AID_BLUETOOTH, },
+    { "graphics",  AID_GRAPHICS, },
+    { "input",     AID_INPUT, },
+    { "audio",     AID_AUDIO, },
+    { "camera",    AID_CAMERA, },
+    { "log",       AID_LOG, },
+    { "compass",   AID_COMPASS, },
+    { "mount",     AID_MOUNT, },
+    { "wifi",      AID_WIFI, },
+    { "dhcp",      AID_DHCP, },
+    { "adb",       AID_ADB, },
+    { "install",   AID_INSTALL, },
+    { "media",     AID_MEDIA, },
+    { "shell",     AID_SHELL, },
+    { "cache",     AID_CACHE, },
+    { "diag",      AID_DIAG, },
+    { "net_bt_admin", AID_NET_BT_ADMIN, },
+    { "net_bt",    AID_NET_BT, },
+    { "inet",      AID_INET, }, 
+    { "net_raw",   AID_NET_RAW, },
+    { "misc",      AID_MISC, },
+    { "nobody",    AID_NOBODY, },
+};
+
+#define android_id_count \
+    (sizeof(android_ids) / sizeof(android_ids[0]))
+    
+struct fs_path_config {
+    unsigned mode;
+    unsigned uid;
+    unsigned gid;
+    const char *prefix;
+};
+
+/* Rules for directories.
+** These rules are applied based on "first match", so they
+** should start with the most specific path and work their
+** way up to the root.
+*/
+
+static struct fs_path_config android_dirs[] = {
+    { 00770, AID_SYSTEM, AID_CACHE,  "cache" },
+    { 00771, AID_SYSTEM, AID_SYSTEM, "data/app" },
+    { 00771, AID_SYSTEM, AID_SYSTEM, "data/app-private" },
+    { 00771, AID_SYSTEM, AID_SYSTEM, "data/dalvik-cache" },
+    { 00771, AID_SYSTEM, AID_SYSTEM, "data/data" },
+    { 00771, AID_SHELL,  AID_SHELL,  "data/local/tmp" },
+    { 00771, AID_SHELL,  AID_SHELL,  "data/local" },
+    { 01771, AID_SYSTEM, AID_MISC,   "data/misc" },
+    { 00770, AID_DHCP,   AID_DHCP,   "data/misc/dhcp" },
+    { 00771, AID_SYSTEM, AID_SYSTEM, "data" },
+    { 00750, AID_ROOT,   AID_SHELL,  "sbin" },
+    { 00755, AID_ROOT,   AID_SHELL,  "system/bin" },
+    { 00755, AID_ROOT,   AID_SHELL,  "system/xbin" },
+    { 00777, AID_ROOT,   AID_ROOT,   "system/etc/ppp" }, /* REMOVE */
+    { 00777, AID_ROOT,   AID_ROOT,   "sdcard" },
+    { 00755, AID_ROOT,   AID_ROOT,   0 },
+};
+
+/* Rules for files.
+** These rules are applied based on "first match", so they
+** should start with the most specific path and work their
+** way up to the root. Prefixes ending in * denotes wildcard
+** and will allow partial matches.
+*/
+static struct fs_path_config android_files[] = {
+    { 00555, AID_ROOT,      AID_ROOT,      "system/etc/ppp/ip-up" },
+    { 00555, AID_ROOT,      AID_ROOT,      "system/etc/ppp/ip-down" },
+    { 00440, AID_ROOT,      AID_SHELL,     "system/etc/init.goldfish.rc" },
+    { 00550, AID_ROOT,      AID_SHELL,     "system/etc/init.goldfish.sh" },
+    { 00440, AID_ROOT,      AID_SHELL,     "system/etc/init.trout.rc" },
+    { 00550, AID_ROOT,      AID_SHELL,     "system/etc/init.ril" },
+    { 00550, AID_ROOT,      AID_SHELL,     "system/etc/init.testmenu" },
+    { 00550, AID_ROOT,      AID_SHELL,     "system/etc/init.gprs-pppd" },
+    { 00550, AID_DHCP,      AID_SHELL,     "system/etc/dhcpcd/dhcpcd-run-hooks" },
+    { 00440, AID_BLUETOOTH, AID_BLUETOOTH, "system/etc/dbus.conf" },
+    { 00440, AID_BLUETOOTH, AID_BLUETOOTH, "system/etc/bluez/hcid.conf" },
+    { 00440, AID_BLUETOOTH, AID_BLUETOOTH, "system/etc/bluez/input.conf" },
+    { 00440, AID_BLUETOOTH, AID_BLUETOOTH, "system/etc/bluez/audio.conf" },
+    { 00440, AID_RADIO,     AID_AUDIO,     "/system/etc/AudioPara4.csv" },
+    { 00644, AID_SYSTEM,    AID_SYSTEM,    "data/app/*" },
+    { 00644, AID_SYSTEM,    AID_SYSTEM,    "data/app-private/*" },
+    { 00644, AID_APP,       AID_APP,       "data/data/*" },
+        /* the following two files are INTENTIONALLY set-gid and not set-uid.
+         * Do not change. */
+    { 02755, AID_ROOT,      AID_NET_RAW,   "system/bin/ping" },
+    { 02755, AID_ROOT,      AID_INET,      "system/bin/netcfg" },
+    	/* the following four files are INTENTIONALLY set-uid, but they
+	 * are NOT included on user builds. */
+    { 06755, AID_ROOT,      AID_ROOT,      "system/xbin/su" },
+    { 06755, AID_ROOT,      AID_ROOT,      "system/xbin/librank" },
+    { 06755, AID_ROOT,      AID_ROOT,      "system/xbin/procrank" },
+    { 06755, AID_ROOT,      AID_ROOT,      "system/xbin/procmem" },
+    { 00755, AID_ROOT,      AID_SHELL,     "system/bin/*" },
+    { 00755, AID_ROOT,      AID_SHELL,     "system/xbin/*" },
+    { 00750, AID_ROOT,      AID_SHELL,     "sbin/*" },
+    { 00755, AID_ROOT,      AID_ROOT,      "bin/*" },
+    { 00750, AID_ROOT,      AID_SHELL,     "init*" },
+    { 00644, AID_ROOT,      AID_ROOT,       0 },
+};
+
+static inline void fs_config(const char *path, int dir,
+                             unsigned *uid, unsigned *gid, unsigned *mode)
+{
+    struct fs_path_config *pc;
+    int plen;
+    
+    pc = dir ? android_dirs : android_files;
+    plen = strlen(path);
+    for(; pc->prefix; pc++){
+        int len = strlen(pc->prefix);
+        if (dir) {
+            if(plen < len) continue;
+            if(!strncmp(pc->prefix, path, len)) break;
+            continue;
+        }
+        /* If name ends in * then allow partial matches. */
+        if (pc->prefix[len -1] == '*') {
+            if(!strncmp(pc->prefix, path, len - 1)) break;
+        } else if (plen == len){
+            if(!strncmp(pc->prefix, path, len)) break;
+        }
+    }
+    *uid = pc->uid;
+    *gid = pc->gid;
+    *mode = (*mode & (~07777)) | pc->mode;
+    
+#if 0
+    fprintf(stderr,"< '%s' '%s' %d %d %o >\n", 
+            path, pc->prefix ? pc->prefix : "", *uid, *gid, *mode);
+#endif
+}
+#endif
+#endif