diff --git a/adb/services.c b/adb/services.c
index 495a083..54d21a8 100644
--- a/adb/services.c
+++ b/adb/services.c
@@ -202,7 +202,7 @@
     int c;
 
     for(;;) {
-        r = read(fd, buf, 4096);
+        r = adb_read(fd, buf, 4096);
         if(r == 0) goto done;
         if(r < 0) {
             if(errno == EINTR) continue;
diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 66b60cc..0252ef3 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -275,6 +275,22 @@
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <string.h>
+#include <unistd.h>
+
+/*
+ * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
+ * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
+ * not already defined, then define it here.
+ */
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp) ({         \
+    typeof (exp) _rc;                      \
+    do {                                   \
+        _rc = (exp);                       \
+    } while (_rc == -1 && errno == EINTR); \
+    _rc; })
+#endif
 
 #define OS_PATH_SEPARATOR '/'
 #define OS_PATH_SEPARATOR_STR "/"
@@ -310,7 +326,7 @@
 {
     if ((options & O_CREAT) == 0)
     {
-        return  open(path, options);
+        return  TEMP_FAILURE_RETRY( open(path, options) );
     }
     else
     {
@@ -319,19 +335,19 @@
         va_start( args, options );
         mode = va_arg( args, int );
         va_end( args );
-        return open(path, options, mode);
+        return TEMP_FAILURE_RETRY( open( path, options, mode ) );
     }
 }
 
 static __inline__ int  adb_open_mode( const char*  pathname, int  options, int  mode )
 {
-    return open( pathname, options, mode );
+    return TEMP_FAILURE_RETRY( open( pathname, options, mode ) );
 }
 
 
 static __inline__ int  adb_open( const char*  pathname, int  options )
 {
-    int  fd = open( pathname, options );
+    int  fd = TEMP_FAILURE_RETRY( open( pathname, options ) );
     if (fd < 0)
         return -1;
     close_on_exec( fd );
@@ -357,7 +373,7 @@
 
 static __inline__  int  adb_read(int  fd, void*  buf, size_t  len)
 {
-    return read(fd, buf, len);
+    return TEMP_FAILURE_RETRY( read( fd, buf, len ) );
 }
 
 #undef   read
@@ -365,7 +381,7 @@
 
 static __inline__  int  adb_write(int  fd, const void*  buf, size_t  len)
 {
-    return write(fd, buf, len);
+    return TEMP_FAILURE_RETRY( write( fd, buf, len ) );
 }
 #undef   write
 #define  write  ___xxx_write
@@ -386,7 +402,7 @@
 
 static __inline__  int  adb_creat(const char*  path, int  mode)
 {
-    int  fd = creat(path, mode);
+    int  fd = TEMP_FAILURE_RETRY( creat( path, mode ) );
 
     if ( fd < 0 )
         return -1;
@@ -401,7 +417,7 @@
 {
     int fd;
 
-    fd = accept(serverfd, addr, addrlen);
+    fd = TEMP_FAILURE_RETRY( accept( serverfd, addr, addrlen ) );
     if (fd >= 0)
         close_on_exec(fd);
 
diff --git a/debuggerd/Android.mk b/debuggerd/Android.mk
index 15083f4..e48b9af 100644
--- a/debuggerd/Android.mk
+++ b/debuggerd/Android.mk
@@ -23,13 +23,11 @@
 LOCAL_CFLAGS += -DWITH_VFP_D32
 endif # ARCH_ARM_HAVE_VFP_D32
 
-LOCAL_SHARED_LIBRARIES := libcutils libc libcorkscrew
-
-ifeq ($(HAVE_SELINUX),true)
-LOCAL_SHARED_LIBRARIES += libselinux
-LOCAL_C_INCLUDES += external/libselinux/include
-LOCAL_CFLAGS += -DHAVE_SELINUX
-endif
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+	libc \
+	libcorkscrew \
+	libselinux
 
 include $(BUILD_EXECUTABLE)
 
diff --git a/debuggerd/backtrace.c b/debuggerd/backtrace.c
index 62f7f32..ba76e7d 100644
--- a/debuggerd/backtrace.c
+++ b/debuggerd/backtrace.c
@@ -125,10 +125,9 @@
     char task_path[64];
     snprintf(task_path, sizeof(task_path), "/proc/%d/task", pid);
     DIR* d = opendir(task_path);
-    if (d) {
-        struct dirent debuf;
-        struct dirent *de;
-        while (!readdir_r(d, &debuf, &de) && de) {
+    if (d != NULL) {
+        struct dirent* de = NULL;
+        while ((de = readdir(d)) != NULL) {
             if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) {
                 continue;
             }
diff --git a/debuggerd/tombstone.c b/debuggerd/tombstone.c
index 592f4f2..5f2db43 100644
--- a/debuggerd/tombstone.c
+++ b/debuggerd/tombstone.c
@@ -35,9 +35,7 @@
 #include <corkscrew/demangle.h>
 #include <corkscrew/backtrace.h>
 
-#ifdef HAVE_SELINUX
 #include <selinux/android.h>
-#endif
 
 #include "machine.h"
 #include "tombstone.h"
@@ -416,9 +414,8 @@
     }
 
     bool detach_failed = false;
-    struct dirent debuf;
-    struct dirent *de;
-    while (!readdir_r(d, &debuf, &de) && de) {
+    struct dirent* de;
+    while ((de = readdir(d)) != NULL) {
         /* Ignore "." and ".." */
         if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) {
             continue;
@@ -696,12 +693,10 @@
     mkdir(TOMBSTONE_DIR, 0755);
     chown(TOMBSTONE_DIR, AID_SYSTEM, AID_SYSTEM);
 
-#ifdef HAVE_SELINUX
     if (selinux_android_restorecon(TOMBSTONE_DIR) == -1) {
         *detach_failed = false;
         return NULL;
     }
-#endif
 
     int fd;
     char* path = find_and_open_tombstone(&fd);
diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index 92e9219..5025dae 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -57,9 +57,7 @@
     libz
 
 ifneq ($(HOST_OS),windows)
-ifeq ($(HAVE_SELINUX), true)
 LOCAL_STATIC_LIBRARIES += libselinux
-endif # HAVE_SELINUX
 endif # HOST_OS != windows
 
 include $(BUILD_HOST_EXECUTABLE)
diff --git a/fs_mgr/fs_mgr.c b/fs_mgr/fs_mgr.c
index 99adb81..e51c9cf 100644
--- a/fs_mgr/fs_mgr.c
+++ b/fs_mgr/fs_mgr.c
@@ -173,7 +173,7 @@
  * then return an empty buffer.  This effectively ignores lines that are too long.
  * On EOF, return null.
  */
-static char *getline(char *buf, int size, FILE *file)
+static char *fs_getline(char *buf, int size, FILE *file)
 {
     int cnt = 0;
     int eof = 0;
@@ -247,7 +247,7 @@
     }
 
     entries = 0;
-    while (getline(line, sizeof(line), fstab_file)) {
+    while (fs_getline(line, sizeof(line), fstab_file)) {
         /* if the last character is a newline, shorten the string by 1 byte */
         len = strlen(line);
         if (line[len - 1] == '\n') {
@@ -274,7 +274,7 @@
     fseek(fstab_file, 0, SEEK_SET);
 
     cnt = 0;
-    while (getline(line, sizeof(line), fstab_file)) {
+    while (fs_getline(line, sizeof(line), fstab_file)) {
         /* if the last character is a newline, shorten the string by 1 byte */
         len = strlen(line);
         if (line[len - 1] == '\n') {
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index 7e34da8..3a2500e 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -62,6 +62,7 @@
 #define AID_DRMRPC        1026  /* group for drm rpc */
 #define AID_NFC           1027  /* nfc subsystem */
 #define AID_SDCARD_R      1028  /* external storage read access */
+#define AID_CLAT          1029  /* clat part of nat464 */
 
 #define AID_SHELL         2000  /* adb and debug shell user */
 #define AID_CACHE         2001  /* cache access */
@@ -139,6 +140,7 @@
     { "net_bw_acct", AID_NET_BW_ACCT, },
     { "misc",      AID_MISC, },
     { "nobody",    AID_NOBODY, },
+    { "clat",      AID_CLAT, },
 };
 
 #define android_id_count \
diff --git a/init/Android.mk b/init/Android.mk
index a1c1e7a..00d2144 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -33,13 +33,11 @@
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
 LOCAL_UNSTRIPPED_PATH := $(TARGET_ROOT_OUT_UNSTRIPPED)
 
-LOCAL_STATIC_LIBRARIES := libfs_mgr libcutils libc
-
-ifeq ($(HAVE_SELINUX),true)
-LOCAL_STATIC_LIBRARIES += libselinux
-LOCAL_C_INCLUDES += external/libselinux/include
-LOCAL_CFLAGS += -DHAVE_SELINUX
-endif
+LOCAL_STATIC_LIBRARIES := \
+	libfs_mgr \
+	libcutils \
+	libc \
+	libselinux
 
 include $(BUILD_EXECUTABLE)
 
diff --git a/init/builtins.c b/init/builtins.c
index aaf85d9..baa3e7f 100644
--- a/init/builtins.c
+++ b/init/builtins.c
@@ -35,10 +35,8 @@
 #include <sys/system_properties.h>
 #include <fs_mgr.h>
 
-#ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
 #include <selinux/label.h>
-#endif
 
 #include "init.h"
 #include "keywords.h"
@@ -515,24 +513,20 @@
 }
 
 int do_setcon(int nargs, char **args) {
-#ifdef HAVE_SELINUX
     if (is_selinux_enabled() <= 0)
         return 0;
     if (setcon(args[1]) < 0) {
         return -errno;
     }
-#endif
     return 0;
 }
 
 int do_setenforce(int nargs, char **args) {
-#ifdef HAVE_SELINUX
     if (is_selinux_enabled() <= 0)
         return 0;
     if (security_setenforce(atoi(args[1])) < 0) {
         return -errno;
     }
-#endif
     return 0;
 }
 
@@ -760,7 +754,6 @@
 }
 
 int do_setsebool(int nargs, char **args) {
-#ifdef HAVE_SELINUX
     SELboolean *b = alloca(nargs * sizeof(SELboolean));
     char *v;
     int i;
@@ -789,7 +782,7 @@
 
     if (security_set_boolean_list(nargs - 1, b, 0) < 0)
         return -errno;
-#endif
+
     return 0;
 }
 
diff --git a/init/devices.c b/init/devices.c
index c30303f..dd875d6 100644
--- a/init/devices.c
+++ b/init/devices.c
@@ -30,11 +30,9 @@
 #include <sys/un.h>
 #include <linux/netlink.h>
 
-#ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
 #include <selinux/label.h>
 #include <selinux/android.h>
-#endif
 
 #include <private/android_filesystem_config.h>
 #include <sys/time.h>
@@ -53,9 +51,7 @@
 #define FIRMWARE_DIR2   "/vendor/firmware"
 #define FIRMWARE_DIR3   "/firmware/image"
 
-#ifdef HAVE_SELINUX
 extern struct selabel_handle *sehandle;
-#endif
 
 static int device_fd = -1;
 
@@ -193,17 +189,15 @@
     unsigned gid;
     mode_t mode;
     dev_t dev;
-#ifdef HAVE_SELINUX
     char *secontext = NULL;
-#endif
 
     mode = get_device_perm(path, &uid, &gid) | (block ? S_IFBLK : S_IFCHR);
-#ifdef HAVE_SELINUX
+
     if (sehandle) {
         selabel_lookup(sehandle, &secontext, path, mode);
         setfscreatecon(secontext);
     }
-#endif
+
     dev = makedev(major, minor);
     /* Temporarily change egid to avoid race condition setting the gid of the
      * device node. Unforunately changing the euid would prevent creation of
@@ -214,12 +208,11 @@
     mknod(path, mode, dev);
     chown(path, uid, -1);
     setegid(AID_ROOT);
-#ifdef HAVE_SELINUX
+
     if (secontext) {
         freecon(secontext);
         setfscreatecon(NULL);
     }
-#endif
 }
 
 static void add_platform_device(const char *name)
@@ -882,12 +875,12 @@
     suseconds_t t0, t1;
     struct stat info;
     int fd;
-#ifdef HAVE_SELINUX
+
     sehandle = NULL;
     if (is_selinux_enabled() > 0) {
         sehandle = selinux_android_file_context_handle();
     }
-#endif
+
     /* is 64K enough? udev uses 16MB! */
     device_fd = uevent_open_socket(64*1024, true);
     if(device_fd < 0)
diff --git a/init/init.c b/init/init.c
index 1c80d9c..b20b434 100755
--- a/init/init.c
+++ b/init/init.c
@@ -33,11 +33,9 @@
 #include <sys/un.h>
 #include <sys/personality.h>
 
-#ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
 #include <selinux/label.h>
 #include <selinux/android.h>
-#endif
 
 #include <libgen.h>
 
@@ -61,10 +59,8 @@
 #include "ueventd.h"
 #include "watchdogd.h"
 
-#ifdef HAVE_SELINUX
 struct selabel_handle *sehandle;
 struct selabel_handle *sehandle_prop;
-#endif
 
 static int property_triggers_enabled = 0;
 
@@ -78,9 +74,7 @@
 static unsigned revision = 0;
 static char qemu[32];
 
-#ifdef HAVE_SELINUX
 static int selinux_enabled = 1;
-#endif
 
 static struct action *cur_action = NULL;
 static struct command *cur_command = NULL;
@@ -164,10 +158,9 @@
     pid_t pid;
     int needs_console;
     int n;
-#ifdef HAVE_SELINUX
     char *scon = NULL;
     int rc;
-#endif
+
         /* starting a service removes it from the disabled or reset
          * state and immediately takes it out of the restarting
          * state if it was in there
@@ -204,7 +197,6 @@
         return;
     }
 
-#ifdef HAVE_SELINUX
     if (is_selinux_enabled() > 0) {
         char *mycon = NULL, *fcon = NULL;
 
@@ -230,7 +222,6 @@
             return;
         }
     }
-#endif
 
     NOTICE("starting '%s'\n", svc->name);
 
@@ -267,9 +258,7 @@
         for (ei = svc->envvars; ei; ei = ei->next)
             add_environment(ei->name, ei->value);
 
-#ifdef HAVE_SELINUX
         setsockcreatecon(scon);
-#endif
 
         for (si = svc->sockets; si; si = si->next) {
             int socket_type = (
@@ -282,11 +271,9 @@
             }
         }
 
-#ifdef HAVE_SELINUX
         freecon(scon);
         scon = NULL;
         setsockcreatecon(NULL);
-#endif
 
         if (svc->ioprio_class != IoSchedClass_NONE) {
             if (android_set_ioprio(getpid(), svc->ioprio_class, svc->ioprio_pri)) {
@@ -332,15 +319,12 @@
                 _exit(127);
             }
         }
-
-#ifdef HAVE_SELINUX
         if (svc->seclabel) {
             if (is_selinux_enabled() > 0 && setexeccon(svc->seclabel) < 0) {
                 ERROR("cannot setexeccon('%s'): %s\n", svc->seclabel, strerror(errno));
                 _exit(127);
             }
         }
-#endif
 
         if (!dynamic_args) {
             if (execve(svc->args[0], (char**) svc->args, (char**) ENV) < 0) {
@@ -367,9 +351,7 @@
         _exit(127);
     }
 
-#ifdef HAVE_SELINUX
     freecon(scon);
-#endif
 
     if (pid < 0) {
         ERROR("failed to start '%s'\n", svc->name);
@@ -620,11 +602,9 @@
     *value++ = 0;
     if (name_len == 0) return;
 
-#ifdef HAVE_SELINUX
     if (!strcmp(name,"selinux")) {
         selinux_enabled = atoi(value);
     }
-#endif
 
     if (for_emulator) {
         /* in the emulator, export any kernel option with the
@@ -772,7 +752,6 @@
 }
 #endif
 
-#ifdef HAVE_SELINUX
 static const struct selinux_opt seopts_prop[] = {
         { SELABEL_OPT_PATH, "/data/system/property_contexts" },
         { SELABEL_OPT_PATH, "/property_contexts" },
@@ -831,8 +810,6 @@
     return 0;
 }
 
-#endif
-
 int main(int argc, char **argv)
 {
     int fd_count = 0;
@@ -886,7 +863,6 @@
 
     process_kernel_cmdline();
 
-#ifdef HAVE_SELINUX
     union selinux_callback cb;
     cb.func_log = klog_write;
     selinux_set_callback(SELINUX_CB_LOG, cb);
@@ -911,7 +887,6 @@
      */
     restorecon("/dev");
     restorecon("/dev/socket");
-#endif
 
     is_charger = !strcmp(bootmode, "charger");
 
diff --git a/init/init.h b/init/init.h
index b7e06c9..955e1f0 100644
--- a/init/init.h
+++ b/init/init.h
@@ -95,9 +95,7 @@
     gid_t supp_gids[NR_SVC_SUPP_GIDS];
     size_t nr_supp_gids;
 
-#ifdef HAVE_SELINUX
     char *seclabel;
-#endif
 
     struct socketinfo *sockets;
     struct svcenvinfo *envvars;
@@ -136,10 +134,8 @@
 
 int load_565rle_image( char *file_name );
 
-#ifdef HAVE_SELINUX
 extern struct selabel_handle *sehandle;
 extern struct selabel_handle *sehandle_prop;
 extern int selinux_reload_policy(void);
-#endif
 
 #endif	/* _INIT_INIT_H */
diff --git a/init/init_parser.c b/init/init_parser.c
index 5393e52..beb9188 100644
--- a/init/init_parser.c
+++ b/init/init_parser.c
@@ -799,13 +799,11 @@
         }
         break;
     case K_seclabel:
-#ifdef HAVE_SELINUX
         if (nargs != 2) {
             parse_error(state, "seclabel option requires a label string\n");
         } else {
             svc->seclabel = args[1];
         }
-#endif
         break;
 
     default:
diff --git a/init/property_service.c b/init/property_service.c
index f58e07d..61dd86f 100755
--- a/init/property_service.c
+++ b/init/property_service.c
@@ -40,10 +40,8 @@
 #include <sys/atomics.h>
 #include <private/android_filesystem_config.h>
 
-#ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
 #include <selinux/label.h>
-#endif
 
 #include "property_service.h"
 #include "init.h"
@@ -125,7 +123,7 @@
         /* dev is a tmpfs that we can use to carve a shared workspace
          * out of, so let's do that...
          */
-    fd = open("/dev/__properties__", O_RDWR | O_CREAT, 0600);
+    fd = open("/dev/__properties__", O_RDWR | O_CREAT | O_NOFOLLOW, 0600);
     if (fd < 0)
         return -1;
 
@@ -138,7 +136,7 @@
 
     close(fd);
 
-    fd = open("/dev/__properties__", O_RDONLY);
+    fd = open("/dev/__properties__", O_RDONLY | O_NOFOLLOW);
     if (fd < 0)
         return -1;
 
@@ -201,7 +199,6 @@
 
 static int check_mac_perms(const char *name, char *sctx)
 {
-#ifdef HAVE_SELINUX
     if (is_selinux_enabled() <= 0)
         return 1;
 
@@ -225,15 +222,10 @@
     freecon(tctx);
  err:
     return result;
-
-#endif
-    return 1;
 }
 
 static int check_control_mac_perms(const char *name, char *sctx)
 {
-#ifdef HAVE_SELINUX
-
     /*
      *  Create a name prefix out of ctl.<service name>
      *  The new prefix allows the use of the existing
@@ -247,9 +239,6 @@
         return 0;
 
     return check_mac_perms(ctl_name, sctx);
-
-#endif
-    return 1;
 }
 
 /*
@@ -320,13 +309,12 @@
 
 static void write_persistent_property(const char *name, const char *value)
 {
-    const char *tempPath = PERSISTENT_PROPERTY_DIR "/.temp";
+    char tempPath[PATH_MAX];
     char path[PATH_MAX];
-    int fd, length;
+    int fd;
 
-    snprintf(path, sizeof(path), "%s/%s", PERSISTENT_PROPERTY_DIR, name);
-
-    fd = open(tempPath, O_WRONLY|O_CREAT|O_TRUNC, 0600);
+    snprintf(tempPath, sizeof(tempPath), "%s/.temp.XXXXXX", PERSISTENT_PROPERTY_DIR);
+    fd = mkstemp(tempPath);
     if (fd < 0) {
         ERROR("Unable to write persistent property to temp file %s errno: %d\n", tempPath, errno);
         return;
@@ -334,6 +322,7 @@
     write(fd, value, strlen(value));
     close(fd);
 
+    snprintf(path, sizeof(path), "%s/%s", PERSISTENT_PROPERTY_DIR, name);
     if (rename(tempPath, path)) {
         unlink(tempPath);
         ERROR("Unable to rename persistent property file %s to %s\n", tempPath, path);
@@ -345,8 +334,8 @@
     prop_area *pa;
     prop_info *pi;
 
-    int namelen = strlen(name);
-    int valuelen = strlen(value);
+    size_t namelen = strlen(name);
+    size_t valuelen = strlen(value);
 
     if(namelen >= PROP_NAME_MAX) return -1;
     if(valuelen >= PROP_VALUE_MAX) return -1;
@@ -396,11 +385,9 @@
          * to prevent them from being overwritten by default values.
          */
         write_persistent_property(name, value);
-#ifdef HAVE_SELINUX
     } else if (strcmp("selinux.reload_policy", name) == 0 &&
                strcmp("1", value) == 0) {
         selinux_reload_policy();
-#endif
     }
     property_changed(name, value);
     return 0;
@@ -425,13 +412,13 @@
     /* Check socket options here */
     if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cr, &cr_size) < 0) {
         close(s);
-        ERROR("Unable to recieve socket options\n");
+        ERROR("Unable to receive socket options\n");
         return;
     }
 
     r = TEMP_FAILURE_RETRY(recv(s, &msg, sizeof(msg), 0));
     if(r != sizeof(prop_msg)) {
-        ERROR("sys_prop: mis-match msg size recieved: %d expected: %d errno: %d\n",
+        ERROR("sys_prop: mis-match msg size received: %d expected: %d errno: %d\n",
               r, sizeof(prop_msg), errno);
         close(s);
         return;
@@ -442,9 +429,7 @@
         msg.name[PROP_NAME_MAX-1] = 0;
         msg.value[PROP_VALUE_MAX-1] = 0;
 
-#ifdef HAVE_SELINUX
         getpeercon(s, &source_ctx);
-#endif
 
         if(memcmp(msg.name,"ctl.",4) == 0) {
             // Keep the old close-socket-early behavior when handling
@@ -469,10 +454,7 @@
             // the property is written to memory.
             close(s);
         }
-#ifdef HAVE_SELINUX
         freecon(source_ctx);
-#endif
-
         break;
 
     default:
@@ -530,12 +512,14 @@
 static void load_persistent_properties()
 {
     DIR* dir = opendir(PERSISTENT_PROPERTY_DIR);
+    int dir_fd;
     struct dirent*  entry;
-    char path[PATH_MAX];
     char value[PROP_VALUE_MAX];
     int fd, length;
+    struct stat sb;
 
     if (dir) {
+        dir_fd = dirfd(dir);
         while ((entry = readdir(dir)) != NULL) {
             if (strncmp("persist.", entry->d_name, strlen("persist.")))
                 continue;
@@ -544,20 +528,39 @@
                 continue;
 #endif
             /* open the file and read the property value */
-            snprintf(path, sizeof(path), "%s/%s", PERSISTENT_PROPERTY_DIR, entry->d_name);
-            fd = open(path, O_RDONLY);
-            if (fd >= 0) {
-                length = read(fd, value, sizeof(value) - 1);
-                if (length >= 0) {
-                    value[length] = 0;
-                    property_set(entry->d_name, value);
-                } else {
-                    ERROR("Unable to read persistent property file %s errno: %d\n", path, errno);
-                }
-                close(fd);
-            } else {
-                ERROR("Unable to open persistent property file %s errno: %d\n", path, errno);
+            fd = openat(dir_fd, entry->d_name, O_RDONLY | O_NOFOLLOW);
+            if (fd < 0) {
+                ERROR("Unable to open persistent property file \"%s\" errno: %d\n",
+                      entry->d_name, errno);
+                continue;
             }
+            if (fstat(fd, &sb) < 0) {
+                ERROR("fstat on property file \"%s\" failed errno: %d\n", entry->d_name, errno);
+                close(fd);
+                continue;
+            }
+
+            // File must not be accessible to others, be owned by root/root, and
+            // not be a hard link to any other file.
+            if (((sb.st_mode & (S_IRWXG | S_IRWXO)) != 0)
+                    || (sb.st_uid != 0)
+                    || (sb.st_gid != 0)
+                    || (sb.st_nlink != 1)) {
+                ERROR("skipping insecure property file %s (uid=%lu gid=%lu nlink=%d mode=%o)\n",
+                      entry->d_name, sb.st_uid, sb.st_gid, sb.st_nlink, sb.st_mode);
+                close(fd);
+                continue;
+            }
+
+            length = read(fd, value, sizeof(value) - 1);
+            if (length >= 0) {
+                value[length] = 0;
+                property_set(entry->d_name, value);
+            } else {
+                ERROR("Unable to read persistent property file %s errno: %d\n",
+                      entry->d_name, errno);
+            }
+            close(fd);
         }
         closedir(dir);
     } else {
diff --git a/init/readme.txt b/init/readme.txt
index fe0d15d..9cc291c 100644
--- a/init/readme.txt
+++ b/init/readme.txt
@@ -88,6 +88,13 @@
    supplemental groups of the process (via setgroups()).
    Currently defaults to root.  (??? probably should default to nobody)
 
+seclabel <securitycontext>
+  Change to securitycontext before exec'ing this service.
+  Primarily for use by services run from the rootfs, e.g. ueventd, adbd.
+  Services on the system partition can instead use policy-defined transitions
+  based on their file security context.
+  If not specified and no transition is defined in policy, defaults to the init context.
+
 oneshot
    Do not restart the service when it exits.
 
@@ -182,6 +189,21 @@
    device by name.
    <mountoption>s include "ro", "rw", "remount", "noatime", ...
 
+restorecon <path>
+   Restore the file named by <path> to the security context specified
+   in the file_contexts configuration.
+   Not required for directories created by the init.rc as these are
+   automatically labeled correctly by init.
+
+setcon <securitycontext>
+   Set the current process security context to the specified string.
+   This is typically only used from early-init to set the init context
+   before any other process is started.
+
+setenforce 0|1
+   Set the SELinux system-wide enforcing status.
+   0 is permissive (i.e. log but do not deny), 1 is enforcing.
+
 setkey
    TBD
 
@@ -191,6 +213,10 @@
 setrlimit <resource> <cur> <max>
    Set the rlimit for a resource.
 
+setsebool <name>=<value>
+   Set SELinux boolean <name> to <value>.
+   <value> may be 1|true|on or 0|false|off
+
 start <service>
    Start a service running if it is not already running.
 
diff --git a/init/util.c b/init/util.c
index 743748b..918bc05 100755
--- a/init/util.c
+++ b/init/util.c
@@ -23,9 +23,7 @@
 #include <errno.h>
 #include <time.h>
 
-#ifdef HAVE_SELINUX
 #include <selinux/label.h>
-#endif
 
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -89,9 +87,7 @@
 {
     struct sockaddr_un addr;
     int fd, ret;
-#ifdef HAVE_SELINUX
     char *secon;
-#endif
 
     fd = socket(PF_UNIX, type, 0);
     if (fd < 0) {
@@ -110,14 +106,12 @@
         goto out_close;
     }
 
-#ifdef HAVE_SELINUX
     secon = NULL;
     if (sehandle) {
         ret = selabel_lookup(sehandle, &secon, addr.sun_path, S_IFSOCK);
         if (ret == 0)
             setfscreatecon(secon);
     }
-#endif
 
     ret = bind(fd, (struct sockaddr *) &addr, sizeof (addr));
     if (ret) {
@@ -125,10 +119,8 @@
         goto out_unlink;
     }
 
-#ifdef HAVE_SELINUX
     setfscreatecon(NULL);
     freecon(secon);
-#endif
 
     chown(addr.sun_path, uid, gid);
     chmod(addr.sun_path, perm);
@@ -468,31 +460,27 @@
 {
     int rc;
 
-#ifdef HAVE_SELINUX
     char *secontext = NULL;
 
     if (sehandle) {
         selabel_lookup(sehandle, &secontext, path, mode);
         setfscreatecon(secontext);
     }
-#endif
 
     rc = mkdir(path, mode);
 
-#ifdef HAVE_SELINUX
     if (secontext) {
         int save_errno = errno;
         freecon(secontext);
         setfscreatecon(NULL);
         errno = save_errno;
     }
-#endif
+
     return rc;
 }
 
 int restorecon(const char *pathname)
 {
-#ifdef HAVE_SELINUX
     char *secontext = NULL;
     struct stat sb;
     int i;
@@ -509,6 +497,5 @@
         return -errno;
     }
     freecon(secontext);
-#endif
     return 0;
 }
diff --git a/libsuspend/autosuspend.c b/libsuspend/autosuspend.c
index 7d1d973..eb1f66e 100644
--- a/libsuspend/autosuspend.c
+++ b/libsuspend/autosuspend.c
@@ -33,8 +33,6 @@
         return 0;
     }
 
-    autosuspend_inited = true;
-
     autosuspend_ops = autosuspend_earlysuspend_init();
     if (autosuspend_ops) {
         goto out;
@@ -56,6 +54,8 @@
     }
 
 out:
+    autosuspend_inited = true;
+
     ALOGV("autosuspend initialized\n");
     return 0;
 }
diff --git a/logcat/event.logtags b/logcat/event.logtags
index 09640e1..6040bd9 100644
--- a/logcat/event.logtags
+++ b/logcat/event.logtags
@@ -150,5 +150,8 @@
 80305 bionic_event_resolver_wrong_server (uid|1)
 80310 bionic_event_resolver_wrong_query (uid|1)
 
+# libcore failure logging
+90100 cert_pin_failure (certs|4)
+
 # NOTE - the range 1000000-2000000 is reserved for partners and others who
 # want to define their own log tags without conflicting with the core platform.
diff --git a/rootdir/init.rc b/rootdir/init.rc
index caef358..a76602c 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -200,6 +200,7 @@
     mkdir /data/misc/keystore 0700 keystore keystore
     mkdir /data/misc/keychain 0771 system system
     mkdir /data/misc/sms 0770 system radio
+    mkdir /data/misc/zoneinfo 0775 system system
     mkdir /data/misc/vpn 0770 system vpn
     mkdir /data/misc/systemkeys 0700 system system
     # give system access to wpa_supplicant.conf for backup and restore
@@ -494,7 +495,6 @@
     class main
     user keystore
     group keystore drmrpc
-    socket keystore stream 666
 
 service dumpstate /system/bin/dumpstate -s
     class main
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 086ba0d..dbbce06 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -57,11 +57,7 @@
 	touch \
 	lsof \
 	du \
-	md5
-
-ifeq ($(HAVE_SELINUX),true)
-
-TOOLS += \
+	md5 \
 	getenforce \
 	setenforce \
 	chcon \
@@ -71,9 +67,6 @@
 	setsebool \
 	load_policy
 
-endif
-
-
 ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
 TOOLS += r
 endif
@@ -90,17 +83,13 @@
 	cp/cp.c cp/utils.c \
 	grep/grep.c grep/fastgrep.c grep/file.c grep/queue.c grep/util.c
 
-LOCAL_SHARED_LIBRARIES := libcutils libc libusbhost
-
 LOCAL_C_INCLUDES := bionic/libc/bionic
 
-ifeq ($(HAVE_SELINUX),true)
-
-LOCAL_CFLAGS += -DHAVE_SELINUX
-LOCAL_SHARED_LIBRARIES += libselinux
-LOCAL_C_INCLUDES += external/libselinux/include
-
-endif
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+	libc \
+	libusbhost \
+	libselinux
 
 LOCAL_MODULE := toolbox
 
diff --git a/toolbox/df.c b/toolbox/df.c
index 63940a1..9cd0743 100644
--- a/toolbox/df.c
+++ b/toolbox/df.c
@@ -9,16 +9,22 @@
 static void printsize(long long n)
 {
     char unit = 'K';
-    n /= 1024;
-    if (n > 1024) {
+    long long t;
+
+    n *= 10;
+
+    if (n > 1024*1024*10) {
         n /= 1024;
         unit = 'M';
     }
-    if (n > 1024) {
+
+    if (n > 1024*1024*10) {
         n /= 1024;
         unit = 'G';
     }
-    printf("%4lld%c", n, unit);
+
+    t = (n + 512) / 1024;
+    printf("%4lld.%1lld%c", t/10, t%10, unit);
 }
 
 static void df(char *s, int always) {
@@ -41,7 +47,7 @@
 }
 
 int df_main(int argc, char *argv[]) {
-    printf("Filesystem             Size   Used   Free   Blksize\n");
+    printf("Filesystem               Size     Used     Free   Blksize\n");
     if (argc == 1) {
         char s[2000];
         FILE *f = fopen("/proc/mounts", "r");
diff --git a/toolbox/id.c b/toolbox/id.c
index bc79288..8ec79c1 100644
--- a/toolbox/id.c
+++ b/toolbox/id.c
@@ -4,10 +4,7 @@
 #include <sys/types.h>
 #include <pwd.h>
 #include <grp.h>
-
-#ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
-#endif
 
 static void print_uid(uid_t uid)
 {
@@ -34,9 +31,7 @@
 {
     gid_t list[64];
     int n, max;
-#ifdef HAVE_SELINUX
     char *secctx;
-#endif
 
     max = getgroups(64, list);
     if (max < 0) max = 0;
@@ -53,12 +48,10 @@
             print_gid(list[n]);
         }
     }
-#ifdef HAVE_SELINUX
     if (getcon(&secctx) == 0) {
         printf(" context=%s", secctx);
         free(secctx);
     }
-#endif
     printf("\n");
     return 0;
 }
diff --git a/toolbox/ls.c b/toolbox/ls.c
index a4db99c..e530521 100644
--- a/toolbox/ls.c
+++ b/toolbox/ls.c
@@ -5,9 +5,7 @@
 #include <dirent.h>
 #include <errno.h>
 
-#ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
-#endif
 
 #include <sys/stat.h>
 #include <unistd.h>
@@ -260,11 +258,7 @@
         return -1;
     }
 
-#ifdef HAVE_SELINUX
     lgetfilecon(path, &maclabel);
-#else
-    maclabel = strdup("-");
-#endif
     if (!maclabel) {
         return -1;
     }
@@ -276,12 +270,12 @@
     switch(s.st_mode & S_IFMT) {
     case S_IFLNK: {
         char linkto[256];
-        int len;
+        ssize_t len;
 
         len = readlink(path, linkto, sizeof(linkto));
         if(len < 0) return -1;
 
-        if(len > sizeof(linkto)-1) {
+        if((size_t)len > sizeof(linkto)-1) {
             linkto[sizeof(linkto)-4] = '.';
             linkto[sizeof(linkto)-3] = '.';
             linkto[sizeof(linkto)-2] = '.';
@@ -307,7 +301,7 @@
 
 static int listfile(const char *dirname, const char *filename, int flags)
 {
-    if ((flags & LIST_LONG | LIST_SIZE | LIST_CLASSIFY | LIST_MACLABEL) == 0) {
+    if ((flags & (LIST_LONG | LIST_SIZE | LIST_CLASSIFY | LIST_MACLABEL)) == 0) {
         printf("%s\n", filename);
         return 0;
     }