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launchd-442.21.tar.gz
[apple/launchd.git] / support / launchctl.c
diff --git a/support/launchctl.c b/support/launchctl.c
new file mode 100644 (file)
index 0000000..9e74f83
--- /dev/null
@@ -0,0 +1,4106 @@
+/*
+ * Copyright (c) 2005-2011 Apple Inc. All rights reserved.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_START@
+ * 
+ * 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.
+ * 
+ * @APPLE_APACHE_LICENSE_HEADER_END@
+ */
+
+#include "config.h"
+#include "launch.h"
+#include "launch_priv.h"
+#include "bootstrap.h"
+#include "vproc.h"
+#include "vproc_priv.h"
+#include "vproc_internal.h"
+#include "bootstrap_priv.h"
+#include "launch_internal.h"
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <CoreFoundation/CFPriv.h>
+#include <CoreFoundation/CFLogUtilities.h>
+#include <TargetConditionals.h>
+#include <IOKit/IOKitLib.h>
+#include <NSSystemDirectories.h>
+#include <mach/mach.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/sysctl.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/fcntl.h>
+#include <sys/event.h>
+#include <sys/resource.h>
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/reboot.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/in_var.h>
+#include <netinet6/nd6.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <libgen.h>
+#include <libinfo.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pwd.h>
+#include <grp.h>
+#include <netdb.h>
+#include <syslog.h>
+#include <glob.h>
+#include <readline/readline.h>
+#include <readline/history.h>
+#include <dns_sd.h>
+#include <paths.h>
+#include <utmpx.h>
+#include <bootfiles.h>
+#include <sysexits.h>
+#include <util.h>
+#include <spawn.h>
+#include <sys/syslimits.h>
+#include <fnmatch.h>
+#include <assumes.h>
+#include <dlfcn.h>
+
+#if HAVE_LIBAUDITD
+#include <bsm/auditd_lib.h>
+#ifndef        AUDITD_PLIST_FILE
+#define        AUDITD_PLIST_FILE "/System/Library/LaunchDaemons/com.apple.auditd.plist"
+#endif
+#endif
+
+extern char **environ;
+
+#define LAUNCH_SECDIR _PATH_TMP "launch-XXXXXX"
+#define LAUNCH_ENV_KEEPCONTEXT "LaunchKeepContext"
+#define LAUNCH_ENV_BOOTSTRAPPINGSYSTEM "LaunchBootstrappingSystem"
+
+#define CFTypeCheck(cf, type) (CFGetTypeID(cf) == type ## GetTypeID())
+#define CFReleaseIfNotNULL(cf) if (cf) CFRelease(cf);
+
+struct load_unload_state {
+       launch_data_t pass1;
+       char *session_type;
+       bool editondisk:1, load:1, forceload:1;
+};
+
+static void launchctl_log(int level, const char *fmt, ...);
+static void launchctl_log_CFString(int level, CFStringRef string);
+static void myCFDictionaryApplyFunction(const void *key, const void *value, void *context);
+static void job_override(CFTypeRef key, CFTypeRef val, CFMutableDictionaryRef job);
+static CFTypeRef CFTypeCreateFromLaunchData(launch_data_t obj);
+static CFArrayRef CFArrayCreateFromLaunchArray(launch_data_t arr);
+static CFDictionaryRef CFDictionaryCreateFromLaunchDictionary(launch_data_t dict);
+static bool launch_data_array_append(launch_data_t a, launch_data_t o);
+static void insert_event(launch_data_t, const char *, const char *, launch_data_t);
+static void distill_jobs(launch_data_t);
+static void distill_config_file(launch_data_t);
+static void distill_fsevents(launch_data_t);
+static void sock_dict_cb(launch_data_t what, const char *key, void *context);
+static void sock_dict_edit_entry(launch_data_t tmp, const char *key, launch_data_t fdarray, launch_data_t thejob);
+static launch_data_t CF2launch_data(CFTypeRef);
+static launch_data_t read_plist_file(const char *file, bool editondisk, bool load);
+static CFPropertyListRef CreateMyPropertyListFromFile(const char *);
+static CFPropertyListRef CFPropertyListCreateFromFile(CFURLRef plistURL);
+static void WriteMyPropertyListToFile(CFPropertyListRef, const char *);
+static bool path_goodness_check(const char *path, bool forceload);
+static void readpath(const char *, struct load_unload_state *);
+static void readfile(const char *, struct load_unload_state *);
+static int _fd(int);
+static int demux_cmd(int argc, char *const argv[]);
+static void submit_job_pass(launch_data_t jobs);
+static void do_mgroup_join(int fd, int family, int socktype, int protocol, const char *mgroup);
+static mach_port_t str2bsport(const char *s);
+static void print_jobs(launch_data_t j, const char *key, void *context);
+static void print_obj(launch_data_t obj, const char *key, void *context);
+static bool str2lim(const char *buf, rlim_t *res);
+static const char *lim2str(rlim_t val, char *buf);
+static const char *num2name(int n);
+static ssize_t name2num(const char *n);
+static void unloadjob(launch_data_t job);
+static void print_key_value(launch_data_t obj, const char *key, void *context);
+static void print_launchd_env(launch_data_t obj, const char *key, void *context);
+static void loopback_setup_ipv4(void);
+static void loopback_setup_ipv6(void);
+static pid_t fwexec(const char *const *argv, int *wstatus);
+static void do_potential_fsck(void);
+static bool path_check(const char *path);
+static bool is_safeboot(void);
+static bool is_netboot(void);
+static void apply_sysctls_from_file(const char *thefile);
+static void empty_dir(const char *thedir, struct stat *psb);
+static int touch_file(const char *path, mode_t m);
+static void do_sysversion_sysctl(void);
+static void do_application_firewall_magic(int sfd, launch_data_t thejob);
+static void preheat_page_cache_hack(void);
+static void do_bootroot_magic(void);
+static void do_single_user_mode(bool);
+static bool do_single_user_mode2(void);
+static void do_crash_debug_mode(void);
+static bool do_crash_debug_mode2(void);
+static void read_launchd_conf(void);
+static bool job_disabled_logic(launch_data_t obj);
+static void fix_bogus_file_metadata(void);
+static void do_file_init(void) __attribute__((constructor));
+static void setup_system_context(void);
+static void handle_system_bootstrapper_crashes_separately(void);
+static void fatal_signal_handler(int sig, siginfo_t *si, void *uap);
+
+typedef enum {
+       BOOTCACHE_START = 1,
+       BOOTCACHE_TAG,
+       BOOTCACHE_STOP,
+} BootCache_action_t;
+
+static void do_BootCache_magic(BootCache_action_t what);
+
+static int bootstrap_cmd(int argc, char *const argv[]);
+static int load_and_unload_cmd(int argc, char *const argv[]);
+//static int reload_cmd(int argc, char *const argv[]);
+static int start_stop_remove_cmd(int argc, char *const argv[]);
+static int submit_cmd(int argc, char *const argv[]);
+static int list_cmd(int argc, char *const argv[]);
+
+static int setenv_cmd(int argc, char *const argv[]);
+static int unsetenv_cmd(int argc, char *const argv[]);
+static int getenv_and_export_cmd(int argc, char *const argv[]);
+static int wait4debugger_cmd(int argc, char *const argv[]);
+
+static int limit_cmd(int argc, char *const argv[]);
+static int stdio_cmd(int argc, char *const argv[]);
+static int fyi_cmd(int argc, char *const argv[]);
+static int logupdate_cmd(int argc, char *const argv[]);
+static int umask_cmd(int argc, char *const argv[]);
+static int getrusage_cmd(int argc, char *const argv[]);
+static int bsexec_cmd(int argc, char *const argv[]);
+static int _bslist_cmd(mach_port_t bport, unsigned int depth, bool show_job, bool local_only);
+static int bslist_cmd(int argc, char *const argv[]);
+static int _bstree_cmd(mach_port_t bsport, unsigned int depth, bool show_jobs);
+static int bstree_cmd(int argc __attribute__((unused)), char * const argv[] __attribute__((unused)));
+static int managerpid_cmd(int argc __attribute__((unused)), char * const argv[] __attribute__((unused)));
+static int manageruid_cmd(int argc __attribute__((unused)), char * const argv[] __attribute__((unused)));
+static int managername_cmd(int argc __attribute__((unused)), char * const argv[] __attribute__((unused)));
+static int asuser_cmd(int argc, char * const argv[]);
+static int exit_cmd(int argc, char *const argv[]) __attribute__((noreturn));
+static int help_cmd(int argc, char *const argv[]);
+
+static const struct {
+       const char *name;
+       int (*func)(int argc, char *const argv[]);
+       const char *desc;
+} cmds[] = {
+       { "load",                       load_and_unload_cmd,    "Load configuration files and/or directories" },
+       { "unload",                     load_and_unload_cmd,    "Unload configuration files and/or directories" },
+//     { "reload",                     reload_cmd,                             "Reload configuration files and/or directories" },
+       { "start",                      start_stop_remove_cmd,  "Start specified job" },
+       { "stop",                       start_stop_remove_cmd,  "Stop specified job" },
+       { "submit",                     submit_cmd,                             "Submit a job from the command line" },
+       { "remove",                     start_stop_remove_cmd,  "Remove specified job" },
+       { "bootstrap",          bootstrap_cmd,                  "Bootstrap launchd" },
+       { "list",                       list_cmd,                               "List jobs and information about jobs" },
+       { "setenv",                     setenv_cmd,                             "Set an environmental variable in launchd" },
+       { "unsetenv",           unsetenv_cmd,                   "Unset an environmental variable in launchd" },
+       { "getenv",                     getenv_and_export_cmd,  "Get an environmental variable from launchd" },
+       { "export",                     getenv_and_export_cmd,  "Export shell settings from launchd" },
+       { "debug",                      wait4debugger_cmd,              "Set the WaitForDebugger flag for the target job to true." },
+       { "limit",                      limit_cmd,                              "View and adjust launchd resource limits" },
+       { "stdout",                     stdio_cmd,                              "Redirect launchd's standard out to the given path" },
+       { "stderr",                     stdio_cmd,                              "Redirect launchd's standard error to the given path" },
+       { "shutdown",           fyi_cmd,                                "Prepare for system shutdown" },
+       { "singleuser",         fyi_cmd,                                "Switch to single-user mode" },
+       { "getrusage",          getrusage_cmd,                  "Get resource usage statistics from launchd" },
+       { "log",                        logupdate_cmd,                  "Adjust the logging level or mask of launchd" },
+       { "umask",                      umask_cmd,                              "Change launchd's umask" },
+       { "bsexec",                     bsexec_cmd,                             "Execute a process within a different Mach bootstrap subset" },
+       { "bslist",                     bslist_cmd,                             "List Mach bootstrap services and optional servers" },
+       { "bstree",                     bstree_cmd,                             "Show the entire Mach bootstrap tree. Requires root privileges." },
+       { "managerpid",         managerpid_cmd,                 "Print the PID of the launchd managing this Mach bootstrap." },
+       { "manageruid",         manageruid_cmd,                 "Print the UID of the launchd managing this Mach bootstrap." },
+       { "managername",        managername_cmd,                "Print the name of this Mach bootstrap." },
+       { "asuser",                     asuser_cmd,                             "Execute a subcommand in the given user's context." },
+       { "exit",                       exit_cmd,                               "Exit the interactive invocation of launchctl" },
+       { "quit",                       exit_cmd,                               "Quit the interactive invocation of launchctl" },
+       { "help",                       help_cmd,                               "This help output" },
+};
+
+static bool _launchctl_istty;
+static bool _launchctl_verbose;
+static bool _launchctl_is_managed;
+static bool _launchctl_apple_internal;
+static bool _launchctl_system_context;
+static bool _launchctl_uid0_context;
+static bool _launchctl_system_bootstrap;
+static bool _launchctl_peruser_bootstrap;
+static bool _launchctl_verbose_boot = false;
+static bool _launchctl_startup_debugging = false;
+
+static bool _launchctl_overrides_db_changed = false;
+static CFMutableDictionaryRef _launchctl_overrides_db = NULL;
+
+static char *_launchctl_job_overrides_db_path;
+static char *_launchctl_managername = NULL;
+
+int
+main(int argc, char *const argv[])
+{
+       char *l;
+
+       if (getenv(LAUNCH_ENV_BOOTSTRAPPINGSYSTEM)) {
+               /* We're bootstrapping the install environment, so we can't talk to
+                * mDNSResponder or opendirectoryd.
+                *
+                * See <rdar://problem/9877230>.
+                */
+               si_search_module_set_flags("mdns", 1);
+               si_search_module_set_flags("ds", 1);
+       }
+
+       int64_t is_managed = 0;
+       (void)vproc_swap_integer(NULL, VPROC_GSK_IS_MANAGED, NULL, &is_managed);
+       _launchctl_is_managed = is_managed;
+
+       _launchctl_istty = isatty(STDIN_FILENO);
+       argc--, argv++;
+
+       if (argc > 0 && argv[0][0] == '-') {
+               char *flago;
+
+               for (flago = argv[0] + 1; *flago; flago++) {
+                       switch (*flago) {
+                       case 'v':
+                               _launchctl_verbose = true;
+                               break;
+                       case 'u':
+                               if (argc > 1) {
+                                       if (strncmp(argv[1], "root", sizeof("root")) == 0) {
+                                               _launchctl_uid0_context = true;
+                                       } else {
+                                               launchctl_log(LOG_ERR, "Unknown user: %s", argv[1]);
+                                               exit(EXIT_FAILURE);
+                                       }
+                                       argc--, argv++;
+                               } else {
+                                       launchctl_log(LOG_ERR, "-u option requires an argument.");
+                               }
+                               break;
+                       case '1':
+                               _launchctl_system_context = true;
+                               break;
+                       default:
+                               launchctl_log(LOG_ERR, "Unknown argument: '-%c'", *flago);
+                               break;
+                       }
+               }
+               argc--, argv++;
+       }
+
+       /* Running in the context of the root user's per-user launchd is only from
+        * within that session.
+        */
+       if (_launchctl_uid0_context) {
+               int64_t manager_uid = -1, manager_pid = -1;
+               (void)vproc_swap_integer(NULL, VPROC_GSK_MGR_UID, NULL, &manager_uid);
+               (void)vproc_swap_integer(NULL, VPROC_GSK_MGR_PID, NULL, &manager_pid);
+               if (manager_uid || manager_pid == 1) {
+                       launchctl_log(LOG_ERR, "Running in the root user's per-user context is not supported outside of the root user's bootstrap.");
+                       exit(EXIT_FAILURE);
+               }
+       } else if (!(_launchctl_system_context || _launchctl_uid0_context)) {
+               /* Running in the system context is implied when we're running as root
+                * and not running as a bootstrapper.
+                */
+               _launchctl_system_context = (!_launchctl_is_managed && getuid() == 0);
+       }
+
+       if (_launchctl_system_context) {
+               if (getuid() == 0) {
+                       setup_system_context();
+               } else {
+                       launchctl_log(LOG_ERR, "You must be root to run in the system context.");
+                       exit(EXIT_FAILURE);
+               }
+       } else if (_launchctl_uid0_context) {
+               if (getuid() != 0) {
+                       launchctl_log(LOG_ERR, "You must be root to run in the root user context.");
+                       exit(EXIT_FAILURE);
+               }
+       }
+
+       if (!readline) {
+               launchctl_log(LOG_ERR, "missing library: readline");
+               exit(EXIT_FAILURE);
+       }
+
+       if (argc == 0) {
+               while ((l = readline(_launchctl_istty ? "launchd% " : NULL))) {
+                       char *inputstring = l, *argv2[100], **ap = argv2;
+                       int i = 0;
+
+                       while ((*ap = strsep(&inputstring, " \t"))) {
+                               if (**ap != '\0') {
+                                       ap++;
+                                       i++;
+                               }
+                       }
+
+                       if (i > 0) {
+                               demux_cmd(i, argv2);
+                       }
+
+                       free(l);
+               }
+
+               if (_launchctl_istty) {
+                       fputc('\n', stdout);
+               }
+       }
+
+       if (argc > 0) {
+               exit(demux_cmd(argc, argv));
+       }
+
+       exit(EXIT_SUCCESS);
+}
+
+int
+demux_cmd(int argc, char *const argv[])
+{
+       size_t i;
+
+       optind = 1;
+       optreset = 1;
+
+       for (i = 0; i < (sizeof cmds / sizeof cmds[0]); i++) {
+               if (!strcmp(cmds[i].name, argv[0])) {
+                       return cmds[i].func(argc, argv);
+               }
+       }
+
+       launchctl_log(LOG_ERR, "%s: unknown subcommand \"%s\"", getprogname(), argv[0]);
+       return 1;
+}
+
+void
+launchctl_log(int level, const char *fmt, ...)
+{
+       va_list ap;
+       va_start(ap, fmt);
+
+       if (_launchctl_is_managed) {
+               vsyslog(level, fmt, ap);
+       } else {
+               char *buff = NULL;
+               (void)vasprintf(&buff, fmt, ap);
+
+               FILE *where = stdout;
+               if (level < LOG_NOTICE) {
+                       where = stderr;
+               }
+
+               fprintf(where, "%s\n", buff);
+               free(buff);
+       }
+
+       va_end(ap);
+}
+
+void
+launchctl_log_CFString(int level, CFStringRef string)
+{
+       // Big enough. Don't feel like jumping through CF's hoops.
+       char *buff = malloc(4096);
+       (void)CFStringGetCString(string, buff, 4096, kCFStringEncodingUTF8);
+       launchctl_log(level, "%s", buff);
+       free(buff);
+}
+
+void
+read_launchd_conf(void)
+{
+       char s[1000], *c, *av[100];
+       const char *file;
+       size_t len;
+       int i;
+       FILE *f;
+
+       if (getppid() == 1) {
+               file = "/etc/launchd.conf";
+       } else {
+               file = "/etc/launchd-user.conf";
+       }
+
+       if (!(f = fopen(file, "r"))) {
+               return;
+       }
+
+       while ((c = fgets(s, (int) sizeof s, f))) {
+               len = strlen(c);
+               if (len && c[len - 1] == '\n') {
+                       c[len - 1] = '\0';
+               }
+
+               i = 0;
+
+               while ((av[i] = strsep(&c, " \t"))) {
+                       if (*(av[i]) != '\0') {
+                               i++;
+                       }
+               }
+
+               if (i > 0) {
+                       demux_cmd(i, av);
+               }
+       }
+
+       fclose(f);
+}
+
+static CFPropertyListRef
+CFPropertyListCreateFromFile(CFURLRef plistURL)
+{      
+       CFReadStreamRef plistReadStream = CFReadStreamCreateWithFile(NULL, plistURL);
+
+       CFErrorRef streamErr = NULL;
+       if (!CFReadStreamOpen(plistReadStream)) {
+               streamErr = CFReadStreamCopyError(plistReadStream);
+               CFStringRef errString = CFErrorCopyDescription(streamErr);
+
+               launchctl_log_CFString(LOG_ERR, errString);
+
+               CFRelease(errString);
+               CFRelease(streamErr);
+       }
+
+       CFPropertyListRef plist = NULL;
+       if (plistReadStream) {
+               CFStringRef errString = NULL;
+               CFPropertyListFormat plistFormat = 0;
+               plist = CFPropertyListCreateFromStream(NULL, plistReadStream, 0, kCFPropertyListImmutable, &plistFormat, &errString);
+               if (!plist) {
+                       launchctl_log_CFString(LOG_ERR, errString);
+                       CFRelease(errString);
+               }
+       }
+
+       CFReadStreamClose(plistReadStream);
+       CFRelease(plistReadStream);
+
+       return plist;
+}
+
+int
+unsetenv_cmd(int argc, char *const argv[])
+{
+       launch_data_t resp, tmp, msg;
+
+       if (argc != 2) {
+               launchctl_log(LOG_ERR, "%s usage: unsetenv <key>", getprogname());
+               return 1;
+       }
+
+       msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+
+       tmp = launch_data_new_string(argv[1]);
+       launch_data_dict_insert(msg, tmp, LAUNCH_KEY_UNSETUSERENVIRONMENT);
+
+       resp = launch_msg(msg);
+
+       launch_data_free(msg);
+
+       if (resp) {
+               launch_data_free(resp);
+       } else {
+               launchctl_log(LOG_ERR, "launch_msg(\"%s\"): %s", LAUNCH_KEY_UNSETUSERENVIRONMENT, strerror(errno));
+       }
+
+       return 0;
+}
+
+int
+setenv_cmd(int argc, char *const argv[])
+{
+       launch_data_t resp, tmp, tmpv, msg;
+
+       if (argc != 3) {
+               launchctl_log(LOG_ERR, "%s usage: setenv <key> <value>", getprogname());
+               return 1;
+       }
+
+       msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+       tmp = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+
+       tmpv = launch_data_new_string(argv[2]);
+       launch_data_dict_insert(tmp, tmpv, argv[1]);
+       launch_data_dict_insert(msg, tmp, LAUNCH_KEY_SETUSERENVIRONMENT);
+
+       resp = launch_msg(msg);
+       launch_data_free(msg);
+
+       if (resp) {
+               launch_data_free(resp);
+       } else {
+               launchctl_log(LOG_ERR, "launch_msg(\"%s\"): %s", LAUNCH_KEY_SETUSERENVIRONMENT, strerror(errno));
+       }
+
+       return 0;
+}
+
+void
+print_launchd_env(launch_data_t obj, const char *key, void *context)
+{
+       bool *is_csh = context;
+
+       /* XXX escape the double quotes */
+       if (*is_csh) {
+               launchctl_log(LOG_NOTICE, "setenv %s \"%s\";", key, launch_data_get_string(obj));
+       } else {
+               launchctl_log(LOG_NOTICE, "%s=\"%s\"; export %s;", key, launch_data_get_string(obj), key);
+       }
+}
+
+void
+print_key_value(launch_data_t obj, const char *key, void *context)
+{
+       const char *k = context;
+
+       if (!strcmp(key, k)) {
+               launchctl_log(LOG_NOTICE, "%s", launch_data_get_string(obj));
+       }
+}
+
+int
+getenv_and_export_cmd(int argc, char *const argv[])
+{
+       launch_data_t resp;
+       bool is_csh = false;
+       char *k;
+
+       if (!strcmp(argv[0], "export")) {
+               char *s = getenv("SHELL");
+               if (s) {
+                       is_csh = strstr(s, "csh") ? true : false;
+               }
+       } else if (argc != 2) {
+               launchctl_log(LOG_ERR, "%s usage: getenv <key>", getprogname());
+               return 1;
+       }
+
+       k = argv[1];
+
+       if (vproc_swap_complex(NULL, VPROC_GSK_ENVIRONMENT, NULL, &resp) == NULL) {
+               if (!strcmp(argv[0], "export")) {
+                       launch_data_dict_iterate(resp, print_launchd_env, &is_csh);
+               } else {
+                       launch_data_dict_iterate(resp, print_key_value, k);
+               }
+               launch_data_free(resp);
+               return 0;
+       } else {
+               return 1;
+       }
+
+       return 0;
+}
+
+int
+wait4debugger_cmd(int argc, char * const argv[])
+{
+       if (argc != 3) {
+               launchctl_log(LOG_ERR, "%s usage: debug <label> <value>", argv[0]);
+               return 1;
+       }
+
+       int result = 1;
+       int64_t inval = 0;
+       if (strncmp(argv[2], "true", sizeof("true")) == 0) {
+               inval = 1;
+       } else if (strncmp(argv[2], "false", sizeof("false")) != 0) {
+               inval = atoi(argv[2]);
+               inval &= 1;
+       }
+
+       vproc_t vp = vprocmgr_lookup_vproc(argv[1]);
+       if (vp) {
+               vproc_err_t verr = vproc_swap_integer(vp, VPROC_GSK_WAITFORDEBUGGER, &inval, NULL);
+               if (verr) {
+                       launchctl_log(LOG_ERR, "Failed to set WaitForDebugger flag on %s.", argv[1]);
+               } else {
+                       result = 0;
+               }
+               vproc_release(vp);
+       }
+
+       return result;
+}
+
+void
+unloadjob(launch_data_t job)
+{
+       launch_data_t tmps;
+
+       tmps = launch_data_dict_lookup(job, LAUNCH_JOBKEY_LABEL);
+
+       if (!tmps) {
+               launchctl_log(LOG_ERR, "%s: Error: Missing Key: %s", getprogname(), LAUNCH_JOBKEY_LABEL);
+               return;
+       }
+
+       if (_vproc_send_signal_by_label(launch_data_get_string(tmps), VPROC_MAGIC_UNLOAD_SIGNAL) != NULL) {
+               launchctl_log(LOG_ERR, "%s: Error unloading: %s", getprogname(), launch_data_get_string(tmps));
+       }
+}
+
+void
+job_override(CFTypeRef key, CFTypeRef val, CFMutableDictionaryRef job)
+{
+       if (!CFTypeCheck(key, CFString)) {
+               return;
+       }
+       if (CFStringCompare(key, CFSTR(LAUNCH_JOBKEY_LABEL), kCFCompareCaseInsensitive) == 0) {
+               return;
+       }
+
+       CFDictionarySetValue(job, key, val);
+}
+
+launch_data_t
+read_plist_file(const char *file, bool editondisk, bool load)
+{
+       CFPropertyListRef plist = CreateMyPropertyListFromFile(file);
+       launch_data_t r = NULL;
+
+       if (NULL == plist) {
+               launchctl_log(LOG_ERR, "%s: no plist was returned for: %s", getprogname(), file);
+               return NULL;
+       }
+
+       CFStringRef label = CFDictionaryGetValue(plist, CFSTR(LAUNCH_JOBKEY_LABEL));
+       if (!(label && CFTypeCheck(label, CFString))) {
+               return NULL;
+       }
+
+       if (_launchctl_overrides_db) {
+               CFDictionaryRef overrides = CFDictionaryGetValue(_launchctl_overrides_db, label);
+               if (overrides && CFTypeCheck(overrides, CFDictionary)) {
+                       CFDictionaryApplyFunction(overrides, (CFDictionaryApplierFunction)job_override, (void *)plist);
+               }
+       }
+
+       if (editondisk) {
+               if (_launchctl_overrides_db) {
+                       CFMutableDictionaryRef job = (CFMutableDictionaryRef)CFDictionaryGetValue(_launchctl_overrides_db, label);
+                       if (!job || !CFTypeCheck(job, CFDictionary)) {
+                               job = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+                               CFDictionarySetValue(_launchctl_overrides_db, label, job);
+                               CFRelease(job);
+                       }
+
+                       CFDictionarySetValue(job, CFSTR(LAUNCH_JOBKEY_DISABLED), load ? kCFBooleanFalse : kCFBooleanTrue);
+                       CFDictionarySetValue((CFMutableDictionaryRef)plist, CFSTR(LAUNCH_JOBKEY_DISABLED), load ? kCFBooleanFalse : kCFBooleanTrue);
+                       _launchctl_overrides_db_changed = true;
+               } else {
+                       if (load) {
+                               CFDictionaryRemoveValue((CFMutableDictionaryRef)plist, CFSTR(LAUNCH_JOBKEY_DISABLED));
+                       } else {
+                               CFDictionarySetValue((CFMutableDictionaryRef)plist, CFSTR(LAUNCH_JOBKEY_DISABLED), kCFBooleanTrue);
+                       }
+                       WriteMyPropertyListToFile(plist, file);
+               }
+       }
+
+       r = CF2launch_data(plist);
+
+       CFRelease(plist);
+
+       return r;
+}
+
+static bool
+sysctl_hw_streq(int mib_slot, const char *str)
+{
+       char buf[1000];
+       size_t bufsz = sizeof(buf);
+       int mib[] = { CTL_HW, mib_slot };
+
+       if (sysctl(mib, 2, buf, &bufsz, NULL, 0) != -1) {
+               if (strcmp(buf, str) == 0) {
+                       return true;
+               }
+       }
+
+       return false;
+}
+
+static void
+limitloadtohardware_iterator(launch_data_t val, const char *key, void *ctx)
+{
+       bool *result = ctx;
+
+       char name[128];
+       (void)snprintf(name, sizeof(name), "hw.%s", key);
+
+       int mib[2];
+       size_t sz = 2;
+       if (*result != true && osx_assumes_zero(sysctlnametomib(name, mib, &sz)) == 0) {
+               if (launch_data_get_type(val) == LAUNCH_DATA_ARRAY) {
+                       size_t c = launch_data_array_get_count(val);
+
+                       size_t i = 0;
+                       for (i = 0; i < c; i++) {
+                               launch_data_t oai = launch_data_array_get_index(val, i);
+                               if (sysctl_hw_streq(mib[1], launch_data_get_string(oai))) {
+                                       *result = true;
+                                       i = c;
+                               }
+                       }
+               }
+       }
+}
+
+void
+readfile(const char *what, struct load_unload_state *lus)
+{
+       char ourhostname[1024];
+       launch_data_t tmpd, tmps, thejob, tmpa;
+       bool job_disabled = false;
+       size_t i, c;
+
+       gethostname(ourhostname, sizeof(ourhostname));
+
+       if (NULL == (thejob = read_plist_file(what, lus->editondisk, lus->load))) {
+               launchctl_log(LOG_ERR, "%s: no plist was returned for: %s", getprogname(), what);
+               return;
+       }
+
+
+       if (NULL == launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LABEL)) {
+               launchctl_log(LOG_ERR, "%s: missing the Label key: %s", getprogname(), what);
+               goto out_bad;
+       }
+
+       if ((launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_PROGRAM) == NULL) && 
+               (launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_PROGRAMARGUMENTS) == NULL)) {
+               launchctl_log(LOG_ERR, "%s: neither a Program nor a ProgramArguments key was specified: %s", getprogname(), what);
+               goto out_bad;
+       }
+
+       if (NULL != (tmpa = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LIMITLOADFROMHOSTS))) {
+               c = launch_data_array_get_count(tmpa);
+
+               for (i = 0; i < c; i++) {
+                       launch_data_t oai = launch_data_array_get_index(tmpa, i);
+                       if (!strcasecmp(ourhostname, launch_data_get_string(oai))) {
+                               goto out_bad;
+                       }
+               }
+       }
+
+       if (NULL != (tmpa = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LIMITLOADTOHOSTS))) {
+               c = launch_data_array_get_count(tmpa);
+
+               for (i = 0; i < c; i++) {
+                       launch_data_t oai = launch_data_array_get_index(tmpa, i);
+                       if (!strcasecmp(ourhostname, launch_data_get_string(oai))) {
+                               break;
+                       }
+               }
+
+               if (i == c) {
+                       goto out_bad;
+               }
+       }
+
+       if (NULL != (tmpd = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LIMITLOADTOHARDWARE))) {
+               bool result = false;
+               launch_data_dict_iterate(tmpd, limitloadtohardware_iterator, &result);
+               if (!result) {
+                       goto out_bad;
+               }
+       }
+
+       if (NULL != (tmpd = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LIMITLOADFROMHARDWARE))) {
+               bool result = false;
+               launch_data_dict_iterate(tmpd, limitloadtohardware_iterator, &result);
+               if (result) {
+                       goto out_bad;
+               }
+       }
+
+       /* If the manager is Aqua, the LimitLoadToSessionType should default to
+        * "Aqua".
+        *
+        * <rdar://problem/8297909>
+        */
+       if (!_launchctl_managername) {
+               if (vproc_swap_string(NULL, VPROC_GSK_MGR_NAME, NULL, &_launchctl_managername)) {
+                       if (bootstrap_port) {
+                               /* This is only an error if we are running with a neutered
+                                * bootstrap port, otherwise we wouldn't expect this operating to
+                                * succeed.
+                                *
+                                * <rdar://problem/10514286>
+                                */
+                               launchctl_log(LOG_ERR, "Could not obtain manager name: ppid/bootstrap: %d/0x%x", getppid(), bootstrap_port);
+                       }
+
+                       _launchctl_managername = "";
+               }
+       }
+
+       if (!lus->session_type) {
+               if (strcmp(_launchctl_managername, "Aqua") == 0) {
+                       lus->session_type = "Aqua";
+               }
+       }
+
+       if (lus->session_type && !(tmpa = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LIMITLOADTOSESSIONTYPE))) {
+               tmpa = launch_data_new_string("Aqua");
+               launch_data_dict_insert(thejob, tmpa, LAUNCH_JOBKEY_LIMITLOADTOSESSIONTYPE);
+       }
+
+       if ((tmpa = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LIMITLOADTOSESSIONTYPE))) {
+               const char *allowed_session;
+               bool skipjob = true;
+
+               /* My sincere apologies to anyone who has to deal with this
+                * LimitLoadToSessionType madness. It was like this when I got here, but
+                * I've knowingly made it worse, hopefully to the benefit of the end
+                * user.
+                *
+                * See <rdar://problem/8769211> and <rdar://problem/7114980>.
+                */
+               if (!lus->session_type && launch_data_get_type(tmpa) == LAUNCH_DATA_STRING) {
+                       if (strcasecmp("System", _launchctl_managername) == 0 && strcasecmp("System", launch_data_get_string(tmpa)) == 0) {
+                               skipjob = false;
+                       }
+               }
+
+               if (lus->session_type) switch (launch_data_get_type(tmpa)) {
+               case LAUNCH_DATA_ARRAY:
+                       c = launch_data_array_get_count(tmpa);
+                       for (i = 0; i < c; i++) {
+                               tmps = launch_data_array_get_index(tmpa, i);
+                               allowed_session = launch_data_get_string(tmps);
+                               if (strcasecmp(lus->session_type, allowed_session) == 0) {
+                                       skipjob = false;
+                                       /* we have to do the following so job_reparent_hack() works within launchd */
+                                       tmpa = launch_data_new_string(lus->session_type);
+                                       launch_data_dict_insert(thejob, tmpa, LAUNCH_JOBKEY_LIMITLOADTOSESSIONTYPE);
+                                       break;
+                               }
+                       }
+                       break;
+               case LAUNCH_DATA_STRING:
+                       allowed_session = launch_data_get_string(tmpa);
+                       if (strcasecmp(lus->session_type, allowed_session) == 0) {
+                               skipjob = false;
+                       }
+                       break;
+               default:
+                       break;
+               }
+
+               if (skipjob) {
+                       goto out_bad;
+               }
+       }
+
+       if ((tmpd = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_DISABLED))) {
+               job_disabled = job_disabled_logic(tmpd);
+       }
+
+       if (lus->forceload) {
+               job_disabled = false;
+       }
+
+       if (job_disabled && lus->load) {
+               goto out_bad;
+       }
+
+       if (_launchctl_system_bootstrap || _launchctl_peruser_bootstrap) {
+               uuid_t uuid;
+               uuid_clear(uuid);
+
+               launch_data_t lduuid = launch_data_new_opaque(uuid, sizeof(uuid_t));
+               launch_data_dict_insert(thejob, lduuid, LAUNCH_JOBKEY_SECURITYSESSIONUUID);
+       }
+
+       launch_data_array_append(lus->pass1, thejob);
+
+       if (_launchctl_verbose) {
+               launchctl_log(LOG_NOTICE, "Will load: %s", what);
+       }
+
+       return;
+out_bad:
+       if (_launchctl_verbose) {
+               launchctl_log(LOG_NOTICE, "Ignored: %s", what);
+       }
+       launch_data_free(thejob);
+}
+
+static void
+job_disabled_dict_logic(launch_data_t obj, const char *key, void *context)
+{
+       bool *r = context;
+
+       if (launch_data_get_type(obj) != LAUNCH_DATA_STRING) {
+               return;
+       }
+
+       if (strcasecmp(key, LAUNCH_JOBKEY_DISABLED_MACHINETYPE) == 0) {
+               if (sysctl_hw_streq(HW_MACHINE, launch_data_get_string(obj))) {
+                       *r = true;
+               }
+       } else if (strcasecmp(key, LAUNCH_JOBKEY_DISABLED_MODELNAME) == 0) {
+               if (sysctl_hw_streq(HW_MODEL, launch_data_get_string(obj))) {
+                       *r = true;
+               }
+       }
+}
+
+bool
+job_disabled_logic(launch_data_t obj)
+{
+       bool r = false;
+
+       switch (launch_data_get_type(obj)) {
+               case LAUNCH_DATA_DICTIONARY:
+                       launch_data_dict_iterate(obj, job_disabled_dict_logic, &r);
+                       break;
+               case LAUNCH_DATA_BOOL:
+                       r = launch_data_get_bool(obj);
+                       break;
+               default:
+                       break;
+       }
+
+       return r;
+}
+
+bool
+path_goodness_check(const char *path, bool forceload)
+{
+       struct stat sb;
+
+       if (stat(path, &sb) == -1) {
+               launchctl_log(LOG_ERR, "%s: Couldn't stat(\"%s\"): %s", getprogname(), path, strerror(errno));
+               return false;
+       }
+
+       if (forceload) {
+               return true;
+       }
+
+       if (sb.st_mode & (S_IWOTH|S_IWGRP)) {
+               launchctl_log(LOG_ERR, "%s: Dubious permissions on file (skipping): %s", getprogname(), path);
+               return false;
+       }
+
+       if (sb.st_uid != 0 && sb.st_uid != getuid()) {
+               launchctl_log(LOG_ERR, "%s: Dubious ownership on file (skipping): %s", getprogname(), path);
+               return false;
+       }
+
+       if (!(S_ISREG(sb.st_mode) || S_ISDIR(sb.st_mode))) {
+               launchctl_log(LOG_ERR, "%s: Dubious path. Not a regular file or directory (skipping): %s", getprogname(), path);
+               return false;
+       }
+
+       if ((!S_ISDIR(sb.st_mode)) && (fnmatch("*.plist", path, FNM_CASEFOLD) == FNM_NOMATCH)) {
+               launchctl_log(LOG_ERR, "%s: Dubious file. Not of type .plist (skipping): %s", getprogname(), path);
+               return false;
+       }
+
+       return true;
+}
+
+void
+readpath(const char *what, struct load_unload_state *lus)
+{
+       char buf[MAXPATHLEN];
+       struct stat sb;
+       struct dirent *de;
+       DIR *d;
+
+       if (!path_goodness_check(what, lus->forceload)) {
+               return;
+       }
+
+       if (stat(what, &sb) == -1) {
+               return;
+       }
+
+       if (S_ISREG(sb.st_mode)) {
+               readfile(what, lus);
+       } else if (S_ISDIR(sb.st_mode)) {
+               if ((d = opendir(what)) == NULL) {
+                       launchctl_log(LOG_ERR, "%s: opendir() failed to open the directory", getprogname());
+                       return;
+               }
+
+               while ((de = readdir(d))) {
+                       if (de->d_name[0] == '.') {
+                               continue;
+                       }
+                       snprintf(buf, sizeof(buf), "%s/%s", what, de->d_name);
+
+                       if (!path_goodness_check(buf, lus->forceload)) {
+                               continue;
+                       }
+
+                       readfile(buf, lus);
+               }
+               closedir(d);
+       }
+}
+
+void
+insert_event(launch_data_t job, const char *stream, const char *key, launch_data_t event)
+{
+       launch_data_t launchevents, streamdict;
+
+       launchevents = launch_data_dict_lookup(job, LAUNCH_JOBKEY_LAUNCHEVENTS);
+       if (launchevents == NULL) {
+               launchevents = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+               launch_data_dict_insert(job, launchevents, LAUNCH_JOBKEY_LAUNCHEVENTS);
+       }
+
+       streamdict = launch_data_dict_lookup(launchevents, stream);
+       if (streamdict == NULL) {
+               streamdict = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+               launch_data_dict_insert(launchevents, streamdict, stream);
+       }
+
+       launch_data_dict_insert(streamdict, event, key);
+}
+
+struct distill_context {
+       launch_data_t base;
+       launch_data_t newsockdict;
+};
+
+void
+distill_jobs(launch_data_t jobs)
+{
+       size_t i, c = launch_data_array_get_count(jobs);
+       launch_data_t job;
+
+       for (i = 0; i < c; i++) {
+               job = launch_data_array_get_index(jobs, i);
+               distill_config_file(job);
+               distill_fsevents(job);
+       }
+}
+
+void
+distill_config_file(launch_data_t id_plist)
+{
+       struct distill_context dc = { id_plist, NULL };
+       launch_data_t tmp;
+
+       if ((tmp = launch_data_dict_lookup(dc.base, LAUNCH_JOBKEY_SOCKETS))) {
+               dc.newsockdict = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+               launch_data_dict_iterate(tmp, sock_dict_cb, &dc);
+               launch_data_dict_insert(dc.base, dc.newsockdict, LAUNCH_JOBKEY_SOCKETS);
+       }
+}
+
+void
+sock_dict_cb(launch_data_t what, const char *key, void *context)
+{
+       struct distill_context *dc = context;
+       launch_data_t fdarray = launch_data_alloc(LAUNCH_DATA_ARRAY);
+
+       launch_data_dict_insert(dc->newsockdict, fdarray, key);
+
+       if (launch_data_get_type(what) == LAUNCH_DATA_DICTIONARY) {
+               sock_dict_edit_entry(what, key, fdarray, dc->base);
+       } else if (launch_data_get_type(what) == LAUNCH_DATA_ARRAY) {
+               launch_data_t tmp;
+               size_t i;
+
+               for (i = 0; i < launch_data_array_get_count(what); i++) {
+                       tmp = launch_data_array_get_index(what, i);
+                       sock_dict_edit_entry(tmp, key, fdarray, dc->base);
+               }
+       }
+}
+
+void
+sock_dict_edit_entry(launch_data_t tmp, const char *key, launch_data_t fdarray, launch_data_t thejob)
+{
+       launch_data_t a, val;
+       int sfd, st = SOCK_STREAM;
+       bool passive = true;
+
+       if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_TYPE))) {
+               if (!strcasecmp(launch_data_get_string(val), "stream")) {
+                       st = SOCK_STREAM;
+               } else if (!strcasecmp(launch_data_get_string(val), "dgram")) {
+                       st = SOCK_DGRAM;
+               } else if (!strcasecmp(launch_data_get_string(val), "seqpacket")) {
+                       st = SOCK_SEQPACKET;
+               }
+       }
+
+       if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_PASSIVE))) {
+               passive = launch_data_get_bool(val);
+       }
+
+       if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_SECUREWITHKEY))) {
+               char secdir[] = LAUNCH_SECDIR, buf[1024];
+               launch_data_t uenv = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_USERENVIRONMENTVARIABLES);
+
+               if (NULL == uenv) {
+                       uenv = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+                       launch_data_dict_insert(thejob, uenv, LAUNCH_JOBKEY_USERENVIRONMENTVARIABLES);
+               }
+
+               mkdtemp(secdir);
+
+               sprintf(buf, "%s/%s", secdir, key);
+
+               a = launch_data_new_string(buf);
+               launch_data_dict_insert(tmp, a, LAUNCH_JOBSOCKETKEY_PATHNAME);
+               a = launch_data_new_string(buf);
+               launch_data_dict_insert(uenv, a, launch_data_get_string(val));
+       }
+
+       if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_PATHNAME))) {
+               struct sockaddr_un sun;
+               mode_t sun_mode = 0;
+               mode_t oldmask;
+               bool setm = false;
+
+               memset(&sun, 0, sizeof(sun));
+
+               sun.sun_family = AF_UNIX;
+
+               strncpy(sun.sun_path, launch_data_get_string(val), sizeof(sun.sun_path));
+
+               if (posix_assumes_zero(sfd = _fd(socket(AF_UNIX, st, 0))) == -1) {
+                       return;
+               }
+
+               if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_PATHMODE))) {
+                       sun_mode = (mode_t)launch_data_get_integer(val);
+                       setm = true;
+               }
+
+               if (passive) {
+                       if (unlink(sun.sun_path) == -1 && errno != ENOENT) {
+                               close(sfd);
+                               return;
+                       }
+                       oldmask = umask(S_IRWXG|S_IRWXO);
+                       if (bind(sfd, (struct sockaddr *)&sun, (socklen_t) sizeof sun) == -1) {
+                               close(sfd);
+                               umask(oldmask);
+                               return;
+                       }
+                       umask(oldmask);
+                       if (setm) {
+                               chmod(sun.sun_path, sun_mode);
+                       }
+                       if ((st == SOCK_STREAM || st == SOCK_SEQPACKET) && listen(sfd, -1) == -1) {
+                               close(sfd);
+                               return;
+                       }
+               } else if (connect(sfd, (struct sockaddr *)&sun, (socklen_t) sizeof sun) == -1) {
+                       close(sfd);
+                       return;
+               }
+
+               val = launch_data_new_fd(sfd);
+               launch_data_array_append(fdarray, val);
+       } else {
+               launch_data_t rnames = NULL;
+               const char *node = NULL, *serv = NULL, *mgroup = NULL;
+               char servnbuf[50];
+               struct addrinfo hints, *res0, *res;
+               int gerr, sock_opt = 1;
+
+               memset(&hints, 0, sizeof(hints));
+
+               hints.ai_socktype = st;
+               if (passive) {
+                       hints.ai_flags |= AI_PASSIVE;
+               }
+
+               if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_NODENAME))) {
+                       node = launch_data_get_string(val);
+               }
+               if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_MULTICASTGROUP))) {
+                       mgroup = launch_data_get_string(val);
+               }
+               if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_SERVICENAME))) {
+                       if (LAUNCH_DATA_INTEGER == launch_data_get_type(val)) {
+                               sprintf(servnbuf, "%lld", launch_data_get_integer(val));
+                               serv = servnbuf;
+                       } else {
+                               serv = launch_data_get_string(val);
+                       }
+               }
+               if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_FAMILY))) {
+                       if (!strcasecmp("IPv4", launch_data_get_string(val))) {
+                               hints.ai_family = AF_INET;
+                       } else if (!strcasecmp("IPv6", launch_data_get_string(val))) {
+                               hints.ai_family = AF_INET6;
+                       }
+               }
+               if ((val = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_PROTOCOL))) {
+                       if (!strcasecmp("TCP", launch_data_get_string(val))) {
+                               hints.ai_protocol = IPPROTO_TCP;
+                       } else if (!strcasecmp("UDP", launch_data_get_string(val))) {
+                               hints.ai_protocol = IPPROTO_UDP;
+                       }
+               }
+               if ((rnames = launch_data_dict_lookup(tmp, LAUNCH_JOBSOCKETKEY_BONJOUR))) {
+                       if (LAUNCH_DATA_BOOL != launch_data_get_type(rnames) || launch_data_get_bool(rnames)) {
+                               launch_data_t newevent;
+                               char eventkey[100];
+
+                               newevent = launch_data_copy(tmp);
+                               snprintf(eventkey, sizeof(eventkey), "com.apple.launchd.%s", key);
+                               insert_event(thejob, "com.apple.bonjour.registration", eventkey, newevent);
+                       }
+               }
+
+               if ((gerr = getaddrinfo(node, serv, &hints, &res0)) != 0) {
+                       launchctl_log(LOG_ERR, "getaddrinfo(): %s", gai_strerror(gerr));
+                       return;
+               }
+
+               for (res = res0; res; res = res->ai_next) {
+                       if ((sfd = _fd(socket(res->ai_family, res->ai_socktype, res->ai_protocol))) == -1) {
+                               launchctl_log(LOG_ERR, "socket(): %s", strerror(errno));
+                               return;
+                       }
+
+                       do_application_firewall_magic(sfd, thejob);
+
+                       if (hints.ai_flags & AI_PASSIVE) {
+                               if (AF_INET6 == res->ai_family && -1 == setsockopt(sfd, IPPROTO_IPV6, IPV6_V6ONLY,
+                                                       (void *)&sock_opt, (socklen_t) sizeof sock_opt)) {
+                                       launchctl_log(LOG_ERR, "setsockopt(IPV6_V6ONLY): %m");
+                                       return;
+                               }
+                               if (mgroup) {
+                                       if (setsockopt(sfd, SOL_SOCKET, SO_REUSEPORT, (void *)&sock_opt, (socklen_t) sizeof sock_opt) == -1) {
+                                               launchctl_log(LOG_ERR, "setsockopt(SO_REUSEPORT): %s", strerror(errno));
+                                               return;
+                                       }
+                               } else {
+                                       if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void *)&sock_opt, (socklen_t) sizeof sock_opt) == -1) {
+                                               launchctl_log(LOG_ERR, "setsockopt(SO_REUSEADDR): %s", strerror(errno));
+                                               return;
+                                       }
+                               }
+                               if (bind(sfd, res->ai_addr, res->ai_addrlen) == -1) {
+                                       launchctl_log(LOG_ERR, "bind(): %s", strerror(errno));
+                                       return;
+                               }
+                               /* The kernel may have dynamically assigned some part of the
+                                * address. (The port being a common example.)
+                                */
+                               if (getsockname(sfd, res->ai_addr, &res->ai_addrlen) == -1) {
+                                       launchctl_log(LOG_ERR, "getsockname(): %s", strerror(errno));
+                                       return;
+                               }
+
+                               if (mgroup) {
+                                       do_mgroup_join(sfd, res->ai_family, res->ai_socktype, res->ai_protocol, mgroup);
+                               }
+                               if ((res->ai_socktype == SOCK_STREAM || res->ai_socktype == SOCK_SEQPACKET) && listen(sfd, -1) == -1) {
+                                       launchctl_log(LOG_ERR, "listen(): %s", strerror(errno));
+                                       return;
+                               }
+                       } else {
+                               if (connect(sfd, res->ai_addr, res->ai_addrlen) == -1) {
+                                       launchctl_log(LOG_ERR, "connect(): %s", strerror(errno));
+                                       return;
+                               }
+                       }
+                       val = launch_data_new_fd(sfd);
+                       launch_data_array_append(fdarray, val);
+               }
+       }
+}
+
+void
+distill_fsevents(launch_data_t id_plist)
+{
+       launch_data_t copy, newevent;
+       launch_data_t tmp, tmp2;
+
+       if ((tmp = launch_data_dict_lookup(id_plist, LAUNCH_JOBKEY_QUEUEDIRECTORIES))) {
+               copy = launch_data_copy(tmp);
+               (void)launch_data_dict_remove(id_plist, LAUNCH_JOBKEY_QUEUEDIRECTORIES);
+
+               newevent = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+               launch_data_dict_insert(newevent, copy, LAUNCH_JOBKEY_QUEUEDIRECTORIES);
+               insert_event(id_plist, "com.apple.fsevents.matching", "com.apple.launchd." LAUNCH_JOBKEY_QUEUEDIRECTORIES, newevent);
+       }
+
+       if ((tmp = launch_data_dict_lookup(id_plist, LAUNCH_JOBKEY_WATCHPATHS))) {
+               copy = launch_data_copy(tmp);
+               (void)launch_data_dict_remove(id_plist, LAUNCH_JOBKEY_WATCHPATHS);
+
+               newevent = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+               launch_data_dict_insert(newevent, copy, LAUNCH_JOBKEY_WATCHPATHS);
+               insert_event(id_plist, "com.apple.fsevents.matching", "com.apple.launchd." LAUNCH_JOBKEY_WATCHPATHS, newevent);
+       }
+
+       if ((tmp = launch_data_dict_lookup(id_plist, LAUNCH_JOBKEY_KEEPALIVE))) {
+               if ((tmp2 = launch_data_dict_lookup(tmp, LAUNCH_JOBKEY_KEEPALIVE_PATHSTATE))) {
+                       copy = launch_data_copy(tmp2);
+                       (void)launch_data_dict_remove(tmp, LAUNCH_JOBKEY_KEEPALIVE_PATHSTATE);
+
+                       newevent = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+                       launch_data_dict_insert(newevent, copy, LAUNCH_JOBKEY_KEEPALIVE_PATHSTATE);
+                       insert_event(id_plist, "com.apple.fsevents.matching", "com.apple.launchd." LAUNCH_JOBKEY_KEEPALIVE_PATHSTATE, newevent);
+               }
+       }
+}
+
+void
+do_mgroup_join(int fd, int family, int socktype, int protocol, const char *mgroup)
+{
+       struct addrinfo hints, *res0, *res;
+       struct ip_mreq mreq;
+       struct ipv6_mreq m6req;
+       int gerr;
+
+       memset(&hints, 0, sizeof(hints));
+
+       hints.ai_flags |= AI_PASSIVE;
+       hints.ai_family = family;
+       hints.ai_socktype = socktype;
+       hints.ai_protocol = protocol;
+
+       if ((gerr = getaddrinfo(mgroup, NULL, &hints, &res0)) != 0) {
+               launchctl_log(LOG_ERR, "getaddrinfo(): %s", gai_strerror(gerr));
+               return;
+       }
+
+       for (res = res0; res; res = res->ai_next) {
+               if (AF_INET == family) {
+                       memset(&mreq, 0, sizeof(mreq));
+                       mreq.imr_multiaddr = ((struct sockaddr_in *)res->ai_addr)->sin_addr;
+                       if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, (socklen_t) sizeof mreq) == -1) {
+                               launchctl_log(LOG_ERR, "setsockopt(IP_ADD_MEMBERSHIP): %s", strerror(errno));
+                               continue;
+                       }
+                       break;
+               } else if (AF_INET6 == family) {
+                       memset(&m6req, 0, sizeof(m6req));
+                       m6req.ipv6mr_multiaddr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
+                       if (setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, &m6req, (socklen_t) sizeof m6req) == -1) {
+                               launchctl_log(LOG_ERR, "setsockopt(IPV6_JOIN_GROUP): %s", strerror(errno));
+                               continue;
+                       }
+                       break;
+               } else {
+                       launchctl_log(LOG_ERR, "unknown family during multicast group bind!");
+                       break;
+               }
+       }
+
+       freeaddrinfo(res0);
+}
+
+CFPropertyListRef
+CreateMyPropertyListFromFile(const char *posixfile)
+{
+       CFPropertyListRef propertyList;
+       CFStringRef       errorString;
+       CFDataRef         resourceData;
+       SInt32            errorCode;
+       CFURLRef          fileURL;
+
+       fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, (const UInt8 *)posixfile, strlen(posixfile), false);
+       if (!fileURL) {
+               launchctl_log(LOG_ERR, "%s: CFURLCreateFromFileSystemRepresentation(%s) failed", getprogname(), posixfile);
+       }
+       if (!CFURLCreateDataAndPropertiesFromResource(kCFAllocatorDefault, fileURL, &resourceData, NULL, NULL, &errorCode)) {
+               launchctl_log(LOG_ERR, "%s: CFURLCreateDataAndPropertiesFromResource(%s) failed: %d", getprogname(), posixfile, (int)errorCode);
+       }
+
+       propertyList = CFPropertyListCreateFromXMLData(kCFAllocatorDefault, resourceData, kCFPropertyListMutableContainersAndLeaves, &errorString);
+       if (fileURL) {
+               CFRelease(fileURL);
+       }
+
+       if (resourceData) {
+               CFRelease(resourceData);
+       }
+
+       return propertyList;
+}
+
+void
+WriteMyPropertyListToFile(CFPropertyListRef plist, const char *posixfile)
+{
+       CFDataRef       resourceData;
+       CFURLRef        fileURL;
+       SInt32          errorCode;
+
+       fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, (const UInt8 *)posixfile, strlen(posixfile), false);
+       if (!fileURL) {
+               launchctl_log(LOG_ERR, "%s: CFURLCreateFromFileSystemRepresentation(%s) failed", getprogname(), posixfile);
+       }
+       resourceData = CFPropertyListCreateXMLData(kCFAllocatorDefault, plist);
+       if (resourceData == NULL) {
+               launchctl_log(LOG_ERR, "%s: CFPropertyListCreateXMLData(%s) failed", getprogname(), posixfile);
+       }
+       if (!CFURLWriteDataAndPropertiesToResource(fileURL, resourceData, NULL, &errorCode)) {
+               launchctl_log(LOG_ERR, "%s: CFURLWriteDataAndPropertiesToResource(%s) failed: %d", getprogname(), posixfile, (int)errorCode);
+       }
+
+       if (resourceData) {
+               CFRelease(resourceData);
+       }
+}
+
+static inline Boolean
+_is_launch_data_t(launch_data_t obj) 
+{
+       Boolean result = true;
+
+       switch (launch_data_get_type(obj)) {
+               case LAUNCH_DATA_STRING         : break;
+               case LAUNCH_DATA_INTEGER        : break;
+               case LAUNCH_DATA_REAL           : break;
+               case LAUNCH_DATA_BOOL           : break;
+               case LAUNCH_DATA_ARRAY          : break;
+               case LAUNCH_DATA_DICTIONARY     : break;
+               case LAUNCH_DATA_FD             : break;
+               case LAUNCH_DATA_MACHPORT       : break;
+               default                                         : result = false;
+       }
+
+       return result;
+}
+
+static void
+_launch_data_iterate(launch_data_t obj, const char *key, CFMutableDictionaryRef dict)
+{
+       if (obj && _is_launch_data_t(obj)) {
+               CFStringRef cfKey = CFStringCreateWithCString(NULL, key, kCFStringEncodingUTF8);
+               CFTypeRef cfVal = CFTypeCreateFromLaunchData(obj);
+
+               if (cfVal) {
+                       CFDictionarySetValue(dict, cfKey, cfVal);
+                       CFRelease(cfVal);
+               }
+               CFRelease(cfKey);
+       }
+}
+
+static CFTypeRef
+CFTypeCreateFromLaunchData(launch_data_t obj)
+{
+       CFTypeRef cfObj = NULL;
+
+       switch (launch_data_get_type(obj)) {
+       case LAUNCH_DATA_STRING: {
+               const char *str = launch_data_get_string(obj);                  
+               cfObj = CFStringCreateWithCString(NULL, str, kCFStringEncodingUTF8);
+               break;
+       }                       
+       case LAUNCH_DATA_INTEGER: {
+               long long integer = launch_data_get_integer(obj);
+               cfObj = CFNumberCreate(NULL, kCFNumberLongLongType, &integer);
+               break;
+       }
+       case LAUNCH_DATA_REAL: {
+               double real = launch_data_get_real(obj);
+               cfObj = CFNumberCreate(NULL, kCFNumberDoubleType, &real);
+               break;
+       }
+       case LAUNCH_DATA_BOOL: {
+               bool yesno = launch_data_get_bool(obj);
+               cfObj = yesno ? kCFBooleanTrue : kCFBooleanFalse;
+               break;
+       }
+       case LAUNCH_DATA_ARRAY: {
+               cfObj = (CFTypeRef)CFArrayCreateFromLaunchArray(obj);
+               break;
+       }
+       case LAUNCH_DATA_DICTIONARY: {
+               cfObj = (CFTypeRef)CFDictionaryCreateFromLaunchDictionary(obj);
+               break;
+       }
+       case LAUNCH_DATA_FD: {
+               int fd = launch_data_get_fd(obj);
+               cfObj = CFNumberCreate(NULL, kCFNumberIntType, &fd);
+               break;
+       }
+       case LAUNCH_DATA_MACHPORT: {
+               mach_port_t port = launch_data_get_machport(obj);
+               cfObj = CFNumberCreate(NULL, kCFNumberIntType, &port);
+               break;
+       }
+       default:
+               break;
+       }
+
+       return cfObj;
+}
+
+#pragma mark CFArray
+static CFArrayRef
+CFArrayCreateFromLaunchArray(launch_data_t arr)
+{
+       CFArrayRef result = NULL;       
+       CFMutableArrayRef mutResult = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
+
+       if (launch_data_get_type(arr) == LAUNCH_DATA_ARRAY) {
+               unsigned int count = launch_data_array_get_count(arr);
+               unsigned int i = 0;
+
+               for (i = 0; i < count; i++) {
+                       launch_data_t launch_obj = launch_data_array_get_index(arr, i);
+                       CFTypeRef obj = CFTypeCreateFromLaunchData(launch_obj);
+
+                       if (obj) {
+                               CFArrayAppendValue(mutResult, obj);
+                               CFRelease(obj);
+                       }
+               }
+
+               result = CFArrayCreateCopy(NULL, mutResult);
+       }
+
+       if (mutResult) {
+               CFRelease(mutResult);
+       }
+       return result;
+}
+
+#pragma mark CFDictionary / CFPropertyList
+static CFDictionaryRef
+CFDictionaryCreateFromLaunchDictionary(launch_data_t dict)
+{
+       CFDictionaryRef result = NULL;
+
+       if (launch_data_get_type(dict) == LAUNCH_DATA_DICTIONARY) {
+               CFMutableDictionaryRef mutResult = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+
+               launch_data_dict_iterate(dict, (void (*)(launch_data_t, const char *, void *))_launch_data_iterate, mutResult);
+
+               result = CFDictionaryCreateCopy(NULL, mutResult);
+               CFRelease(mutResult);   
+       }
+
+       return result;
+}
+
+void
+myCFDictionaryApplyFunction(const void *key, const void *value, void *context)
+{
+       launch_data_t ik, iw, where = context;
+
+       ik = CF2launch_data(key);
+       iw = CF2launch_data(value);
+
+       launch_data_dict_insert(where, iw, launch_data_get_string(ik));
+       launch_data_free(ik);
+}
+
+launch_data_t
+CF2launch_data(CFTypeRef cfr)
+{
+       launch_data_t r;
+       CFTypeID cft = CFGetTypeID(cfr);
+
+       if (cft == CFStringGetTypeID()) {
+               char buf[4096];
+               CFStringGetCString(cfr, buf, sizeof(buf), kCFStringEncodingUTF8);
+               r = launch_data_alloc(LAUNCH_DATA_STRING);
+               launch_data_set_string(r, buf);
+       } else if (cft == CFBooleanGetTypeID()) {
+               r = launch_data_alloc(LAUNCH_DATA_BOOL);
+               launch_data_set_bool(r, CFBooleanGetValue(cfr));
+       } else if (cft == CFArrayGetTypeID()) {
+               CFIndex i, ac = CFArrayGetCount(cfr);
+               r = launch_data_alloc(LAUNCH_DATA_ARRAY);
+               for (i = 0; i < ac; i++) {
+                       CFTypeRef v = CFArrayGetValueAtIndex(cfr, i);
+                       if (v) {
+                               launch_data_t iv = CF2launch_data(v);
+                               launch_data_array_set_index(r, iv, i);
+                       }
+               }
+       } else if (cft == CFDictionaryGetTypeID()) {
+               r = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+               CFDictionaryApplyFunction(cfr, myCFDictionaryApplyFunction, r);
+       } else if (cft == CFDataGetTypeID()) {
+               r = launch_data_alloc(LAUNCH_DATA_OPAQUE);
+               launch_data_set_opaque(r, CFDataGetBytePtr(cfr), CFDataGetLength(cfr));
+       } else if (cft == CFNumberGetTypeID()) {
+               long long n;
+               double d;
+               CFNumberType cfnt = CFNumberGetType(cfr);
+               switch (cfnt) {
+               case kCFNumberSInt8Type:
+               case kCFNumberSInt16Type:
+               case kCFNumberSInt32Type:
+               case kCFNumberSInt64Type:
+               case kCFNumberCharType:
+               case kCFNumberShortType:
+               case kCFNumberIntType:
+               case kCFNumberLongType:
+               case kCFNumberLongLongType:
+                       CFNumberGetValue(cfr, kCFNumberLongLongType, &n);
+                       r = launch_data_alloc(LAUNCH_DATA_INTEGER);
+                       launch_data_set_integer(r, n);
+                       break;
+               case kCFNumberFloat32Type:
+               case kCFNumberFloat64Type:
+               case kCFNumberFloatType:
+               case kCFNumberDoubleType:
+                       CFNumberGetValue(cfr, kCFNumberDoubleType, &d);
+                       r = launch_data_alloc(LAUNCH_DATA_REAL);
+                       launch_data_set_real(r, d);
+                       break;
+               default:
+                       r = NULL;
+                       break;
+               }
+       } else {
+               r = NULL;
+       }
+       return r;
+}
+
+int
+help_cmd(int argc, char *const argv[])
+{
+       size_t i, l, cmdwidth = 0;
+
+       int level = LOG_NOTICE;
+       if (argc == 0 || argv == NULL) {
+               level = LOG_ERR;
+       }
+
+       launchctl_log(level, "usage: %s <subcommand>", getprogname());
+
+       for (i = 0; i < (sizeof cmds / sizeof cmds[0]); i++) {
+               l = strlen(cmds[i].name);
+               if (l > cmdwidth) {
+                       cmdwidth = l;
+               }
+       }
+
+       for (i = 0; i < (sizeof cmds / sizeof cmds[0]); i++) {
+               launchctl_log(level, "\t%-*s\t%s", (int)cmdwidth, cmds[i].name, cmds[i].desc);
+       }
+
+       return 0;
+}
+
+int
+exit_cmd(int argc __attribute__((unused)), char *const argv[] __attribute__((unused)))
+{
+       exit(0);
+}
+
+int
+_fd(int fd)
+{
+       if (fd >= 0)
+               fcntl(fd, F_SETFD, 1);
+       return fd;
+}
+
+void
+do_single_user_mode(bool sflag)
+{
+       if (sflag) {
+               while (!do_single_user_mode2()) {
+                       sleep(1);
+               }
+       }
+}
+
+bool
+do_single_user_mode2(void)
+{
+       bool runcom_fsck = true; /* should_fsck(); */
+       int wstatus;
+       int fd;
+       pid_t p;
+
+       switch ((p = fork())) {
+       case -1:
+               syslog(LOG_ERR, "can't fork single-user shell, trying again: %m");
+               return false;
+       case 0:
+               break;
+       default:
+               (void)osx_assumes_zero(waitpid(p, &wstatus, 0));
+               if (WIFEXITED(wstatus)) {
+                       if (WEXITSTATUS(wstatus) == EXIT_SUCCESS) {
+                               return true;
+                       } else {
+                               launchctl_log(LOG_NOTICE, "single user mode: exit status: %d", WEXITSTATUS(wstatus));
+                       }
+               } else {
+                       launchctl_log(LOG_NOTICE, "single user mode shell: %s", strsignal(WTERMSIG(wstatus)));
+               }
+               return false;
+       }
+
+       revoke(_PATH_CONSOLE);
+       if (posix_assumes_zero((fd = open(_PATH_CONSOLE, O_RDWR))) == -1) {
+               _exit(EXIT_FAILURE);
+       }
+       if (posix_assumes_zero(login_tty(fd)) == -1) {
+               _exit(EXIT_FAILURE);
+       }
+
+       mach_timespec_t wt = { 5, 0 };
+       IOKitWaitQuiet(kIOMasterPortDefault, &wt); /* This will hopefully return after all the kexts have shut up. */
+
+       setenv("TERM", "vt100", 1);
+       if (runcom_fsck) {
+               fprintf(stdout, "Singleuser boot -- fsck not done\n");
+               fprintf(stdout, "Root device is mounted read-only\n");
+               fprintf(stdout, "If you want to make modifications to files:\n");
+               fprintf(stdout, "\t/sbin/fsck -fy\n\t/sbin/mount -uw /\n");
+               fprintf(stdout, "If you wish to boot the system:\n");
+               fprintf(stdout, "\texit\n");
+               fflush(stdout);
+       }
+
+       execl(_PATH_BSHELL, "-sh", NULL);
+       fprintf(stderr, "can't exec %s for single user: %m\n", _PATH_BSHELL);
+       _exit(EXIT_FAILURE);
+}
+
+void
+do_crash_debug_mode(void)
+{
+       while (!do_crash_debug_mode2()) {
+               sleep(1);
+       }
+}
+
+bool
+do_crash_debug_mode2(void)
+{
+       int wstatus;
+       int fd;
+       pid_t p;
+
+       switch ((p = fork())) {
+       case -1:
+               syslog(LOG_ERR, "can't fork crash debug shell, trying again: %m");
+               return false;
+       case 0:
+               break;
+       default:
+               (void)osx_assumes_zero(waitpid(p, &wstatus, 0));
+               if (WIFEXITED(wstatus)) {
+                       if (WEXITSTATUS(wstatus) == EXIT_SUCCESS) {
+                               return true;
+                       } else {
+                               launchctl_log(LOG_NOTICE, "crash debug mode: exit status: %d", WEXITSTATUS(wstatus));
+                       }
+               } else {
+                       launchctl_log(LOG_NOTICE, "crash debug mode shell: %s", strsignal(WTERMSIG(wstatus)));
+               }
+               return false;
+       }
+
+       revoke(_PATH_CONSOLE);
+       if (posix_assumes_zero((fd = open(_PATH_CONSOLE, O_RDWR))) == -1) {
+               _exit(EXIT_FAILURE);
+       }
+       if (posix_assumes_zero(login_tty(fd)) == -1) {
+               _exit(EXIT_FAILURE);
+       }
+
+       /* The idea is to wait until all the kexts have quiesced to prevent a bunch
+        * of log messages from being slammed onto the console prompt. It mostly
+        * works.
+        */
+       mach_timespec_t wt = { 5, 0 };
+       IOKitWaitQuiet(kIOMasterPortDefault, &wt);
+
+       setenv("TERM", "vt100", 1);
+       fprintf(stdout, "Entering boot-time debugging mode...\n");
+       fprintf(stdout, "The system bootstrapper process has crashed. To debug:\n");
+       fprintf(stdout, "\tgdb attach %i\n", getppid());
+       fprintf(stdout, "You can try booting the system with:\n");
+       fprintf(stdout, "\tlaunchctl load -S System -D All\n");
+
+       execl(_PATH_BSHELL, "-sh", NULL);
+       fprintf(stderr, "can't exec %s for crash debug: %m\n", _PATH_BSHELL);
+       _exit(EXIT_FAILURE);
+}
+
+static void
+exit_at_sigterm(int sig)
+{
+       if (sig == SIGTERM) {
+               _exit(EXIT_SUCCESS);
+       }
+}
+
+void
+fatal_signal_handler(int sig __attribute__((unused)), siginfo_t *si __attribute__((unused)), void *uap __attribute__((unused)))
+{
+       do_crash_debug_mode();
+}
+
+void
+handle_system_bootstrapper_crashes_separately(void)
+{
+       if (!_launchctl_startup_debugging) {
+               return;
+       }
+
+       fprintf(stdout, "com.apple.launchctl.System\t\t\t*** Handling system bootstrapper crashes separately. ***\n");
+       struct sigaction fsa;
+
+       fsa.sa_sigaction = fatal_signal_handler;
+       fsa.sa_flags = SA_SIGINFO;
+       sigemptyset(&fsa.sa_mask);
+
+       (void)posix_assumes_zero(sigaction(SIGILL, &fsa, NULL));
+       (void)posix_assumes_zero(sigaction(SIGFPE, &fsa, NULL));
+       (void)posix_assumes_zero(sigaction(SIGBUS, &fsa, NULL));
+       (void)posix_assumes_zero(sigaction(SIGTRAP, &fsa, NULL));
+       (void)posix_assumes_zero(sigaction(SIGABRT, &fsa, NULL));
+}
+
+static void
+system_specific_bootstrap(bool sflag)
+{
+       int hnmib[] = { CTL_KERN, KERN_HOSTNAME };
+       struct kevent kev;
+       int kq;
+#if HAVE_LIBAUDITD
+       launch_data_t lda, ldb;
+#endif
+
+       handle_system_bootstrapper_crashes_separately();
+
+       // Disable Libinfo lookups to mdns and ds while bootstrapping (8698260)
+       si_search_module_set_flags("mdns", 1);
+       si_search_module_set_flags("ds", 1);
+
+       /* rc.cdrom's hack to load the system means that we're not the real system
+        * bootstrapper. So we set this environment variable, and if the real
+        * bootstrapper detects it, it will disable lookups to mDNSResponder and
+        * opendirectoryd to prevent deadlocks at boot.
+        *
+        * See <rdar://problem/9877230>.
+        */
+       (void)setenv(LAUNCH_ENV_BOOTSTRAPPINGSYSTEM, "1", 1);
+
+       do_sysversion_sysctl();
+
+       do_single_user_mode(sflag);
+
+       (void)posix_assumes_zero(kq = kqueue());
+       EV_SET(&kev, 0, EVFILT_TIMER, EV_ADD|EV_ONESHOT, NOTE_SECONDS, 60, 0);
+       (void)posix_assumes_zero(kevent(kq, &kev, 1, NULL, 0, NULL));
+
+       __OSX_COMPILETIME_ASSERT__(SIG_ERR == (typeof(SIG_ERR))-1);
+       EV_SET(&kev, SIGTERM, EVFILT_SIGNAL, EV_ADD, 0, 0, 0);
+       (void)posix_assumes_zero(kevent(kq, &kev, 1, NULL, 0, NULL));
+       (void)posix_assumes_zero(signal(SIGTERM, SIG_IGN));
+       (void)posix_assumes_zero(sysctl(hnmib, 2, NULL, NULL, "localhost", sizeof("localhost")));
+
+       loopback_setup_ipv4();
+       loopback_setup_ipv6();
+
+       apply_sysctls_from_file("/etc/sysctl.conf");
+
+#if TARGET_OS_EMBEDDED
+       if (path_check("/etc/rc.boot")) {
+               const char *rcboot_tool[] = { "/etc/rc.boot", NULL };
+
+               (void)posix_assumes_zero(signal(SIGTERM, exit_at_sigterm));
+               (void)posix_assumes_zero(fwexec(rcboot_tool, NULL));
+       }
+#endif
+
+       if (path_check("/etc/rc.cdrom")) {
+               const char *rccdrom_tool[] = { _PATH_BSHELL, "/etc/rc.cdrom", "multiuser", NULL };
+
+               /* The bootstrapper should always be killable during install-time. This 
+                * is a special case for /etc/rc.cdrom, which runs a process and never
+                * exits.
+                *
+                * <rdar://problem/6103485>
+                */
+               (void)posix_assumes_zero(signal(SIGTERM, exit_at_sigterm));
+               (void)posix_assumes_zero(fwexec(rccdrom_tool, NULL));
+               (void)reboot(RB_HALT);
+               _exit(EXIT_FAILURE);
+       } else if (is_netboot()) {
+               const char *rcnetboot_tool[] = { _PATH_BSHELL, "/etc/rc.netboot", "init", NULL };
+               if (posix_assumes_zero(fwexec(rcnetboot_tool, NULL)) == -1) {
+                       (void)reboot(RB_HALT);
+                       _exit(EXIT_FAILURE);
+               }
+       } else {
+               do_potential_fsck();
+       }
+
+#if TARGET_OS_EMBEDDED
+       if (path_check("/usr/libexec/FinishRestoreFromBackup")) {
+               const char *finish_restore[] = { "/usr/libexec/FinishRestoreFromBackup", NULL };
+               if (fwexec(finish_restore, NULL) == -1) {
+                       launchctl_log(LOG_ERR, "Couldn't finish restore: %d: %s", errno, strerror(errno));
+                       (void)reboot(RB_HALT);
+
+                       _exit(EXIT_FAILURE);
+               }
+       }
+#endif
+
+       if (path_check("/usr/libexec/cc_fips_test")) {
+               const char *fips_tool[] = { "/usr/libexec/cc_fips_test", "-P", NULL };
+               if (fwexec(fips_tool, NULL) == -1) {
+                       launchctl_log(LOG_ERR, "FIPS self check failure: %d: %s", errno, strerror(errno));
+                       (void)reboot(RB_HALT);
+
+                       _exit(EXIT_FAILURE);
+               }
+       }
+
+       if (path_check("/etc/rc.server")) {
+               const char *rcserver_tool[] = { _PATH_BSHELL, "/etc/rc.server", NULL };
+               (void)posix_assumes_zero(fwexec(rcserver_tool, NULL));
+       }
+
+       read_launchd_conf();
+
+       if (path_check("/var/account/acct")) {
+               (void)posix_assumes_zero(acct("/var/account/acct"));
+       }
+
+#if !TARGET_OS_EMBEDDED
+       if (path_check("/etc/fstab")) {
+               const char *mount_tool[] = { "mount", "-vat", "nonfs", NULL };
+               (void)posix_assumes_zero(fwexec(mount_tool, NULL));
+       }
+#endif
+
+       if (path_check("/etc/rc.installer_cleanup")) {
+               const char *rccleanup_tool[] = { _PATH_BSHELL, "/etc/rc.installer_cleanup", "multiuser", NULL };
+               (void)posix_assumes_zero(fwexec(rccleanup_tool, NULL));
+       }
+
+       if (path_check("/etc/rc.deferred_install")) {
+               int status = 0;
+               const char *deferredinstall_tool[] = { _PATH_BSHELL, "/etc/rc.deferred_install", NULL };
+               if (posix_assumes_zero(fwexec(deferredinstall_tool, &status)) == 0) {
+                       if (WEXITSTATUS(status) == EXIT_SUCCESS) {
+                               if (_launchctl_apple_internal) {
+                                       launchctl_log(LOG_NOTICE, "Deferred install script completed successfully. Rebooting in 3 seconds...");
+                                       sleep(3);
+                               }
+
+                               (void)remove(deferredinstall_tool[1]);
+                               (void)reboot(RB_AUTOBOOT);
+                               exit(EXIT_FAILURE);
+                       } else {
+                               launchctl_log(LOG_NOTICE, "Deferred install script exited with status %i. Continuing boot and hoping it'll work...", WEXITSTATUS(status));
+                               (void)remove(deferredinstall_tool[1]);
+                       }
+               }
+       }
+
+       empty_dir(_PATH_VARRUN, NULL);
+       empty_dir(_PATH_TMP, NULL);
+       (void)remove(_PATH_NOLOGIN);
+
+       if (path_check("/usr/libexec/dirhelper")) {
+               const char *dirhelper_tool[] = { "/usr/libexec/dirhelper", "-machineBoot", NULL };
+               (void)posix_assumes_zero(fwexec(dirhelper_tool, NULL));
+       }
+
+       (void)posix_assumes_zero(touch_file(_PATH_UTMPX, DEFFILEMODE));
+#if !TARGET_OS_EMBEDDED
+       (void)posix_assumes_zero(touch_file(_PATH_VARRUN "/.systemStarterRunning", DEFFILEMODE));
+#endif
+
+#if HAVE_LIBAUDITD
+       /* Only start auditing if not "Disabled" in auditd plist. */
+       if ((lda = read_plist_file(AUDITD_PLIST_FILE, false, false)) != NULL && ((ldb = launch_data_dict_lookup(lda, LAUNCH_JOBKEY_DISABLED)) == NULL || job_disabled_logic(ldb) == false)) {
+               (void)osx_assumes_zero(audit_quick_start());
+               launch_data_free(lda);  
+       }
+#else
+       if (path_check("/etc/security/rc.audit")) {
+               const char *audit_tool[] = { _PATH_BSHELL, "/etc/security/rc.audit", NULL };
+               (void)posix_assumes_zero(fwexec(audit_tool, NULL));
+       }
+#endif
+
+       do_BootCache_magic(BOOTCACHE_START);
+
+       preheat_page_cache_hack();
+
+       _vproc_set_global_on_demand(true);
+
+       char *load_launchd_items[] = { "load", "-D", "all", NULL };
+       int load_launchd_items_cnt = 3;
+
+       if (is_safeboot()) {
+               load_launchd_items[2] = "system";
+       }
+
+       (void)posix_assumes_zero(load_and_unload_cmd(load_launchd_items_cnt, load_launchd_items));
+
+       /* See <rdar://problem/5066316>. */
+       if (!_launchctl_apple_internal) {
+               mach_timespec_t w = { 5, 0 };
+               IOKitWaitQuiet(kIOMasterPortDefault, &w);
+       }
+
+       do_BootCache_magic(BOOTCACHE_TAG);
+
+       do_bootroot_magic();
+
+       _vproc_set_global_on_demand(false);
+
+       (void)posix_assumes_zero(kevent(kq, NULL, 0, &kev, 1, NULL));
+
+       /* warmd now handles cutting off the BootCache. We just kick it off. */
+       (void)close(kq);
+}
+
+void
+do_BootCache_magic(BootCache_action_t what)
+{
+       const char *bcc_tool[] = { "/usr/sbin/BootCacheControl", NULL, NULL };
+
+       if (is_safeboot() || !path_check(bcc_tool[0])) {
+               return;
+       }
+
+       switch (what) {
+       case BOOTCACHE_START:
+               bcc_tool[1] = "start";
+               break;
+       case BOOTCACHE_TAG:
+               bcc_tool[1] = "tag";
+               break;
+       case BOOTCACHE_STOP:
+               bcc_tool[1] = "stop";
+               break;
+       }
+
+       fwexec(bcc_tool, NULL);
+}
+
+int
+bootstrap_cmd(int argc, char *const argv[])
+{
+       char *session = NULL;
+       bool sflag = false;
+       int ch;
+
+       while ((ch = getopt(argc, argv, "sS:")) != -1) {
+               switch (ch) {
+               case 's':
+                       sflag = true;
+                       break;
+               case 'S':
+                       session = optarg;
+                       break;
+               case '?':
+               default:
+                       break;
+               }
+       }
+
+       optind = 1;
+       optreset = 1;
+
+       if (!session) {
+               launchctl_log(LOG_ERR, "usage: %s bootstrap [-s] -S <session-type>", getprogname());
+               return 1;
+       }
+
+       if (strcasecmp(session, "System") == 0) {
+               _launchctl_system_bootstrap = true;
+               system_specific_bootstrap(sflag);
+       } else {
+               char *load_launchd_items[] = {
+                       "load", 
+                       "-S",
+                       session,
+                       "-D",
+                       "all",
+                       NULL,
+                       NULL,
+                       NULL,
+               };
+               size_t the_argc = 5;
+
+               bool bootstrap_login_items = false;
+               if (strcasecmp(session, VPROCMGR_SESSION_AQUA) == 0) {
+                       bootstrap_login_items = true;
+               } else if (strcasecmp(session, VPROCMGR_SESSION_BACKGROUND) == 0
+                                  || strcasecmp(session, VPROCMGR_SESSION_LOGINWINDOW) == 0) {
+                       /* If we're bootstrapping either the LoginWindow or Background
+                        * sessions, then we only load items from /System and /Library. We
+                        * do not attempt to load anything from a user's home directory, as
+                        * it might not be available at this time.
+                        */
+                       load_launchd_items[4] = "system";
+                       if (!is_safeboot()) {
+                               load_launchd_items[5] = "-D";
+                               load_launchd_items[6] = "local";
+                               the_argc += 2;
+                       }
+
+                       if (strcasecmp(session, VPROCMGR_SESSION_BACKGROUND) == 0) {
+                               /* This is to force a bootstrapped job to inherit its security
+                                * session from the launchd that it resides in.
+                                */
+                               _launchctl_peruser_bootstrap = true;
+                               read_launchd_conf();
+                       }
+               }
+
+               if (is_safeboot()) {
+                       load_launchd_items[4] = "system";
+               }
+
+               int result = load_and_unload_cmd(the_argc, load_launchd_items);
+               if (result) {
+                       syslog(LOG_ERR, "Could not bootstrap session: %s", session);
+                       return 1;
+               }
+
+               /* This will tell launchd to start listening on MachServices again. When
+                * bootstrapping, launchd ignores requests from everyone but the
+                * bootstrapper (us), so this unsets the "weird bootstrap" mode.
+                */
+               int64_t junk = 0;
+               vproc_err_t verr = vproc_swap_integer(NULL, VPROC_GSK_WEIRD_BOOTSTRAP, &junk, NULL);
+               if (!verr) {
+#if !TARGET_OS_EMBEDDED
+                       if (bootstrap_login_items) {
+                               void *smf = dlopen("/System/Library/Frameworks/ServiceManagement.framework/Versions/A/ServiceManagement", 0);
+                               if (smf) {
+                                       void (*_SMLoginItemBootstrapItemsFunc)(void) = dlsym(smf, "_SMLoginItemBootstrapItems");
+                                       if (_SMLoginItemBootstrapItemsFunc) {
+                                               _SMLoginItemBootstrapItemsFunc();
+                                       } else {
+                                               launchctl_log(LOG_ERR, "Could not find login item bootstrap function. LoginItems will be unavailable.");
+                                       }
+                               } else {
+                                       launchctl_log(LOG_ERR, "Failed to open ServiceManagement framework. LoginItems will be unavailable.");
+                               }
+                       }
+#endif
+               } else if (bootstrap_login_items) {
+                       launchctl_log(LOG_ERR, "Failed to unset weird bootstrap. LoginItems will be unavailable.");
+               }
+       }
+
+       return 0;
+}
+
+int
+load_and_unload_cmd(int argc, char *const argv[])
+{
+       NSSearchPathEnumerationState es = 0;
+       char nspath[PATH_MAX * 2]; /* safe side, we need to append */
+       bool badopts = false;
+       struct load_unload_state lus;
+       size_t i;
+       int ch;
+
+       memset(&lus, 0, sizeof(lus));
+
+       if (strcmp(argv[0], "load") == 0) {
+               lus.load = true;
+       }
+
+       while ((ch = getopt(argc, argv, "wFS:D:")) != -1) {
+               switch (ch) {
+               case 'w':
+                       lus.editondisk = true;
+                       break;
+               case 'F':
+                       lus.forceload = true;
+                       break;
+               case 'S':
+                       lus.session_type = optarg;
+                       break;
+               case 'D':
+                       if (strcasecmp(optarg, "all") == 0) {
+                               es |= NSAllDomainsMask;
+                       } else if (strcasecmp(optarg, "user") == 0) {
+                               es |= NSUserDomainMask;
+                       } else if (strcasecmp(optarg, "local") == 0) {
+                               es |= NSLocalDomainMask;
+                       } else if (strcasecmp(optarg, "network") == 0) {
+                               es |= NSNetworkDomainMask;
+                       } else if (strcasecmp(optarg, "system") == 0) {
+                               es |= NSSystemDomainMask;
+                       } else {
+                               badopts = true;
+                       }
+                       break;
+               case '?':
+               default:
+                       badopts = true;
+                       break;
+               }
+       }
+       argc -= optind;
+       argv += optind;
+
+       if (lus.session_type == NULL) {
+               es &= ~NSUserDomainMask;
+       }
+
+       if (argc == 0 && es == 0) {
+               badopts = true;
+       }
+
+       if (badopts) {
+               launchctl_log(LOG_ERR, "usage: %s load [-wF] [-D <user|local|network|system|all>] paths...", getprogname());
+               return 1;
+       }
+
+       int dbfd = -1;
+       vproc_err_t verr = vproc_swap_string(NULL, VPROC_GSK_JOB_OVERRIDES_DB, NULL, &_launchctl_job_overrides_db_path);
+       if (verr) {
+               if (bootstrap_port) {
+                       launchctl_log(LOG_ERR, "Could not get location of job overrides database: ppid/bootstrap: %d/0x%x", getppid(), bootstrap_port);
+               }
+       } else {
+               dbfd = open(_launchctl_job_overrides_db_path, O_RDONLY | O_EXLOCK | O_CREAT, S_IRUSR | S_IWUSR);
+               if (dbfd != -1) {
+                       _launchctl_overrides_db = (CFMutableDictionaryRef)CreateMyPropertyListFromFile(_launchctl_job_overrides_db_path);
+                       if (!_launchctl_overrides_db) {
+                               _launchctl_overrides_db = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+                       }
+               } else if (errno != EROFS) {
+                       launchctl_log(LOG_ERR, "Could not open job overrides database at: %s: %d: %s", _launchctl_job_overrides_db_path, errno, strerror(errno));
+               }
+       }
+
+       /* Only one pass! */
+       lus.pass1 = launch_data_alloc(LAUNCH_DATA_ARRAY);
+
+       es = NSStartSearchPathEnumeration(NSLibraryDirectory, es);
+
+       while ((es = NSGetNextSearchPathEnumeration(es, nspath))) {
+               glob_t g;
+
+               if (lus.session_type) {
+                       strcat(nspath, "/LaunchAgents");
+               } else {
+                       strcat(nspath, "/LaunchDaemons");
+               }
+
+               if (glob(nspath, GLOB_TILDE|GLOB_NOSORT, NULL, &g) == 0) {
+                       for (i = 0; i < g.gl_pathc; i++) {
+                               readpath(g.gl_pathv[i], &lus);
+                       }
+                       globfree(&g);
+               }
+       }
+
+       for (i = 0; i < (size_t)argc; i++) {
+               readpath(argv[i], &lus);
+       }
+
+       if (launch_data_array_get_count(lus.pass1) == 0) {
+               if (!_launchctl_is_managed) {
+                       launchctl_log(LOG_ERR, "nothing found to %s", lus.load ? "load" : "unload");
+               }
+               launch_data_free(lus.pass1);
+               return _launchctl_is_managed ? 0 : 1;
+       }
+
+       if (lus.load) {
+               distill_jobs(lus.pass1);
+               submit_job_pass(lus.pass1);
+       } else {
+               for (i = 0; i < launch_data_array_get_count(lus.pass1); i++) {
+                       unloadjob(launch_data_array_get_index(lus.pass1, i));
+               }
+       }
+
+       if (_launchctl_overrides_db_changed) {
+               WriteMyPropertyListToFile(_launchctl_overrides_db, _launchctl_job_overrides_db_path);
+       }
+
+       flock(dbfd, LOCK_UN);
+       close(dbfd);
+       return 0;
+}
+
+void
+submit_job_pass(launch_data_t jobs)
+{
+       launch_data_t msg, resp;
+       size_t i;
+       int e;
+
+       if (launch_data_array_get_count(jobs) == 0)
+               return;
+
+       msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+
+       launch_data_dict_insert(msg, jobs, LAUNCH_KEY_SUBMITJOB);
+
+       resp = launch_msg(msg);
+
+       if (resp) {
+               switch (launch_data_get_type(resp)) {
+               case LAUNCH_DATA_ERRNO:
+                       if ((e = launch_data_get_errno(resp)))
+                               launchctl_log(LOG_ERR, "%s", strerror(e));
+                       break;
+               case LAUNCH_DATA_ARRAY:
+                       for (i = 0; i < launch_data_array_get_count(jobs); i++) {
+                               launch_data_t obatind = launch_data_array_get_index(resp, i);
+                               launch_data_t jatind = launch_data_array_get_index(jobs, i);
+                               const char *lab4job = launch_data_get_string(launch_data_dict_lookup(jatind, LAUNCH_JOBKEY_LABEL));
+                               if (LAUNCH_DATA_ERRNO == launch_data_get_type(obatind)) {
+                                       e = launch_data_get_errno(obatind);
+                                       switch (e) {
+                                       case EEXIST:
+                                               launchctl_log(LOG_ERR, "%s: %s", lab4job, "Already loaded");
+                                               break;
+                                       case ESRCH:
+                                               launchctl_log(LOG_ERR, "%s: %s", lab4job, "Not loaded");
+                                               break;
+                                       case ENEEDAUTH:
+                                               launchctl_log(LOG_ERR, "%s: %s", lab4job, "Could not set security session");
+                                       default:
+                                               launchctl_log(LOG_ERR, "%s: %s", lab4job, strerror(e));
+                                       case 0:
+                                               break;
+                                       }
+                               }
+                       }
+                       break;
+               default:
+                       launchctl_log(LOG_ERR, "unknown respose from launchd!");
+                       break;
+               }
+               launch_data_free(resp);
+       } else {
+               launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+       }
+
+       launch_data_free(msg);
+}
+
+int
+start_stop_remove_cmd(int argc, char *const argv[])
+{
+       launch_data_t resp, msg;
+       const char *lmsgcmd = LAUNCH_KEY_STOPJOB;
+       int e, r = 0;
+
+       if (0 == strcmp(argv[0], "start"))
+               lmsgcmd = LAUNCH_KEY_STARTJOB;
+
+       if (0 == strcmp(argv[0], "remove"))
+               lmsgcmd = LAUNCH_KEY_REMOVEJOB;
+
+       if (argc != 2) {
+               launchctl_log(LOG_ERR, "usage: %s %s <job label>", getprogname(), argv[0]);
+               return 1;
+       }
+
+       msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+       launch_data_dict_insert(msg, launch_data_new_string(argv[1]), lmsgcmd);
+
+       resp = launch_msg(msg);
+       launch_data_free(msg);
+
+       if (resp == NULL) {
+               launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+               return 1;
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_ERRNO) {
+               if ((e = launch_data_get_errno(resp))) {
+                       launchctl_log(LOG_ERR, "%s %s error: %s", getprogname(), argv[0], strerror(e));
+                       r = 1;
+               }
+       } else {
+               launchctl_log(LOG_ERR, "%s %s returned unknown response", getprogname(), argv[0]);
+               r = 1;
+       }
+
+       launch_data_free(resp);
+       return r;
+}
+
+void
+print_jobs(launch_data_t j, const char *key __attribute__((unused)), void *context __attribute__((unused)))
+{
+       static size_t depth = 0;
+       launch_data_t lo = launch_data_dict_lookup(j, LAUNCH_JOBKEY_LABEL);
+       launch_data_t pido = launch_data_dict_lookup(j, LAUNCH_JOBKEY_PID);
+       launch_data_t stato = launch_data_dict_lookup(j, LAUNCH_JOBKEY_LASTEXITSTATUS);
+       const char *label = launch_data_get_string(lo);
+       size_t i;
+
+       if (pido) {
+               fprintf(stdout, "%lld\t-\t%s\n", launch_data_get_integer(pido), label);
+       } else if (stato) {
+               int wstatus = (int)launch_data_get_integer(stato);
+               if (WIFEXITED(wstatus)) {
+                       fprintf(stdout, "-\t%d\t%s\n", WEXITSTATUS(wstatus), label);
+               } else if (WIFSIGNALED(wstatus)) {
+                       fprintf(stdout, "-\t-%d\t%s\n", WTERMSIG(wstatus), label);
+               } else {
+                       fprintf(stdout, "-\t???\t%s\n", label);
+               }
+       } else {
+               fprintf(stdout, "-\t-\t%s\n", label);
+       }
+       for (i = 0; i < depth; i++) {
+               fprintf(stdout, "\t");
+       }
+}
+
+void
+print_obj(launch_data_t obj, const char *key, void *context __attribute__((unused)))
+{
+       static size_t indent = 0;
+       size_t i, c;
+
+       for (i = 0; i < indent; i++) {
+               fprintf(stdout, "\t");
+       }
+
+       if (key) {
+               fprintf(stdout, "\"%s\" = ", key);
+       }
+
+       switch (launch_data_get_type(obj)) {
+       case LAUNCH_DATA_STRING:
+               fprintf(stdout, "\"%s\";\n", launch_data_get_string(obj));
+               break;
+       case LAUNCH_DATA_INTEGER:
+               fprintf(stdout, "%lld;\n", launch_data_get_integer(obj));
+               break;
+       case LAUNCH_DATA_REAL:
+               fprintf(stdout, "%f;\n", launch_data_get_real(obj));
+               break;
+       case LAUNCH_DATA_BOOL:
+               fprintf(stdout, "%s;\n", launch_data_get_bool(obj) ? "true" : "false");
+               break;
+       case LAUNCH_DATA_ARRAY:
+               c = launch_data_array_get_count(obj);
+               fprintf(stdout, "(\n");
+               indent++;
+               for (i = 0; i < c; i++) {
+                       print_obj(launch_data_array_get_index(obj, i), NULL, NULL);
+               }
+               indent--;
+               for (i = 0; i < indent; i++) {
+                       fprintf(stdout, "\t");
+               }
+               fprintf(stdout, ");\n");
+               break;
+       case LAUNCH_DATA_DICTIONARY:
+               fprintf(stdout, "{\n");
+               indent++;
+               launch_data_dict_iterate(obj, print_obj, NULL);
+               indent--;
+               for (i = 0; i < indent; i++) {
+                       fprintf(stdout, "\t");
+               }
+               fprintf(stdout, "};\n");
+               break;
+       case LAUNCH_DATA_FD:
+               fprintf(stdout, "file-descriptor-object;\n");
+               break;
+       case LAUNCH_DATA_MACHPORT:
+               fprintf(stdout, "mach-port-object;\n");
+               break;
+       default:
+               fprintf(stdout, "???;\n");
+               break;
+       }
+}
+
+int
+list_cmd(int argc, char *const argv[])
+{
+       if (_launchctl_is_managed) {
+               /* This output is meant for a command line, so don't print anything if
+                * we're managed by launchd.
+                */
+               return 1;
+       }
+
+       launch_data_t resp, msg = NULL;
+       int r = 0;
+
+       bool plist_output = false;
+       char *label = NULL;     
+       if (argc > 3) {
+               launchctl_log(LOG_ERR, "usage: %s list [-x] [label]", getprogname());
+               return 1;
+       } else if (argc >= 2) {
+               plist_output = (strncmp(argv[1], "-x", sizeof("-x")) == 0);
+               label = plist_output ? argv[2] : argv[1];
+       }
+
+       if (label) {
+               msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+               launch_data_dict_insert(msg, launch_data_new_string(label), LAUNCH_KEY_GETJOB);
+
+               resp = launch_msg(msg);
+               launch_data_free(msg);
+
+               if (resp == NULL) {
+                       launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+                       r = 1;
+               } else if (launch_data_get_type(resp) == LAUNCH_DATA_DICTIONARY) {
+                       if (plist_output) {
+                               CFDictionaryRef respDict = CFDictionaryCreateFromLaunchDictionary(resp);
+                               CFStringRef plistStr = NULL;
+                               if (respDict) {
+                                       CFDataRef plistData = CFPropertyListCreateXMLData(NULL, (CFPropertyListRef)respDict);
+                                       CFRelease(respDict);
+                                       if (plistData) {
+                                               plistStr = CFStringCreateWithBytes(NULL, CFDataGetBytePtr(plistData), CFDataGetLength(plistData), kCFStringEncodingUTF8, false);
+                                               CFRelease(plistData);
+                                       } else {
+                                               r = 1;
+                                       }
+                               } else {
+                                       r = 1;
+                               }
+
+                               if (plistStr) {
+                                       launchctl_log_CFString(LOG_NOTICE, plistStr);
+                                       CFRelease(plistStr);
+                                       r = 0;
+                               }
+                       } else {
+                               print_obj(resp, NULL, NULL);
+                               r = 0;
+                       }
+                       launch_data_free(resp);
+               } else {
+                       launchctl_log(LOG_ERR, "%s %s returned unknown response", getprogname(), argv[0]);
+                       r = 1;
+                       launch_data_free(resp);
+               }
+       } else if (vproc_swap_complex(NULL, VPROC_GSK_ALLJOBS, NULL, &resp) == NULL) {
+               fprintf(stdout, "PID\tStatus\tLabel\n");
+               launch_data_dict_iterate(resp, print_jobs, NULL);
+               launch_data_free(resp);
+
+               r = 0;
+       }
+
+       return r;
+}
+
+int
+stdio_cmd(int argc __attribute__((unused)), char *const argv[])
+{
+       launchctl_log(LOG_ERR, "%s %s: This sub-command no longer does anything", getprogname(), argv[0]);
+       return 1;
+}
+
+int
+fyi_cmd(int argc, char *const argv[])
+{
+       launch_data_t resp, msg;
+       const char *lmsgk = NULL;
+       int e, r = 0;
+
+       if (argc != 1) {
+               launchctl_log(LOG_ERR, "usage: %s %s", getprogname(), argv[0]);
+               return 1;
+       }
+
+       if (!strcmp(argv[0], "shutdown")) {
+               lmsgk = LAUNCH_KEY_SHUTDOWN;
+       } else if (!strcmp(argv[0], "singleuser")) {
+               lmsgk = LAUNCH_KEY_SINGLEUSER;
+       } else {
+               return 1;
+       }
+
+       msg = launch_data_new_string(lmsgk);
+       resp = launch_msg(msg);
+       launch_data_free(msg);
+
+       if (resp == NULL) {
+               launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+               return 1;
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_ERRNO) {
+               if ((e = launch_data_get_errno(resp))) {
+                       launchctl_log(LOG_ERR, "%s %s error: %s", getprogname(), argv[0], strerror(e));
+                       r = 1;
+               }
+       } else {
+               launchctl_log(LOG_ERR, "%s %s returned unknown response", getprogname(), argv[0]);
+               r = 1;
+       }
+
+       launch_data_free(resp);
+
+       return r;
+}
+
+int
+logupdate_cmd(int argc, char *const argv[])
+{
+       int64_t inval, outval;
+       bool badargs = false, maskmode = false, onlymode = false, levelmode = false;
+       static const struct {
+               const char *name;
+               int level;
+       } logtbl[] = {
+               { "debug",      LOG_DEBUG },
+               { "info",       LOG_INFO },
+               { "notice",     LOG_NOTICE },
+               { "warning",    LOG_WARNING },
+               { "error",      LOG_ERR },
+               { "critical",   LOG_CRIT },
+               { "alert",      LOG_ALERT },
+               { "emergency",  LOG_EMERG },
+       };
+       size_t i, j, logtblsz = sizeof logtbl / sizeof logtbl[0];
+       int m = 0;
+
+       if (argc >= 2) {
+               if (!strcmp(argv[1], "mask"))
+                       maskmode = true;
+               else if (!strcmp(argv[1], "only"))
+                       onlymode = true;
+               else if (!strcmp(argv[1], "level"))
+                       levelmode = true;
+               else
+                       badargs = true;
+       }
+
+       if (maskmode)
+               m = LOG_UPTO(LOG_DEBUG);
+
+       if (argc > 2 && (maskmode || onlymode)) {
+               for (i = 2; i < (size_t)argc; i++) {
+                       for (j = 0; j < logtblsz; j++) {
+                               if (!strcmp(argv[i], logtbl[j].name)) {
+                                       if (maskmode)
+                                               m &= ~(LOG_MASK(logtbl[j].level));
+                                       else
+                                               m |= LOG_MASK(logtbl[j].level);
+                                       break;
+                               }
+                       }
+                       if (j == logtblsz) {
+                               badargs = true;
+                               break;
+                       }
+               }
+       } else if (argc > 2 && levelmode) {
+               for (j = 0; j < logtblsz; j++) {
+                       if (!strcmp(argv[2], logtbl[j].name)) {
+                               m = LOG_UPTO(logtbl[j].level);
+                               break;
+                       }
+               }
+               if (j == logtblsz)
+                       badargs = true;
+       } else if (argc != 1) {
+               badargs = true;
+       }
+
+       if (badargs) {
+               launchctl_log(LOG_ERR, "usage: %s [[mask loglevels...] | [only loglevels...] [level loglevel]]", getprogname());
+               return 1;
+       }
+
+       inval = m;
+
+       if (vproc_swap_integer(NULL, VPROC_GSK_GLOBAL_LOG_MASK, argc != 1 ? &inval : NULL, &outval) == NULL) {
+               if (argc == 1) {
+                       for (j = 0; j < logtblsz; j++) {
+                               if (outval & LOG_MASK(logtbl[j].level)) {
+                                       launchctl_log(LOG_NOTICE, "%s ", logtbl[j].name);
+                               }
+                       }
+                       launchctl_log(LOG_NOTICE, "");
+               }
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+static const struct {
+       const char *name;
+       int lim;
+} limlookup[] = {
+       { "cpu",        RLIMIT_CPU },
+       { "filesize",   RLIMIT_FSIZE },
+       { "data",       RLIMIT_DATA },
+       { "stack",      RLIMIT_STACK },
+       { "core",       RLIMIT_CORE },
+       { "rss",        RLIMIT_RSS },
+       { "memlock",    RLIMIT_MEMLOCK },
+       { "maxproc",    RLIMIT_NPROC },
+       { "maxfiles",   RLIMIT_NOFILE }
+};
+
+static const size_t limlookupcnt = sizeof limlookup / sizeof limlookup[0];
+
+ssize_t
+name2num(const char *n)
+{
+       size_t i;
+
+       for (i = 0; i < limlookupcnt; i++) {
+               if (!strcmp(limlookup[i].name, n)) {
+                       return limlookup[i].lim;
+               }
+       }
+       return -1;
+}
+
+const char *
+num2name(int n)
+{
+       size_t i;
+
+       for (i = 0; i < limlookupcnt; i++) {
+               if (limlookup[i].lim == n)
+                       return limlookup[i].name;
+       }
+       return NULL;
+}
+
+const char *
+lim2str(rlim_t val, char *buf)
+{
+       if (val == RLIM_INFINITY)
+               strcpy(buf, "unlimited");
+       else
+               sprintf(buf, "%lld", val);
+       return buf;
+}
+
+bool
+str2lim(const char *buf, rlim_t *res)
+{
+       char *endptr;
+       *res = strtoll(buf, &endptr, 10);
+       if (!strcmp(buf, "unlimited")) {
+               *res = RLIM_INFINITY;
+               return false;
+       } else if (*endptr == '\0') {
+                return false;
+       }
+       return true;
+}
+
+int
+limit_cmd(int argc, char *const argv[])
+{
+       char slimstr[100];
+       char hlimstr[100];
+       struct rlimit *lmts = NULL;
+       launch_data_t resp, resp1 = NULL, msg, tmp;
+       int r = 0;
+       size_t i, lsz = -1;
+       ssize_t which = 0;
+       rlim_t slim = -1, hlim = -1;
+       bool badargs = false;
+
+       if (argc > 4)
+               badargs = true;
+
+       if (argc >= 3 && str2lim(argv[2], &slim))
+               badargs = true;
+       else
+               hlim = slim;
+
+       if (argc == 4 && str2lim(argv[3], &hlim))
+               badargs = true;
+
+       if (argc >= 2 && -1 == (which = name2num(argv[1])))
+               badargs = true;
+
+       if (badargs) {
+               launchctl_log(LOG_ERR, "usage: %s %s [", getprogname(), argv[0]);
+               for (i = 0; i < limlookupcnt; i++)
+                       launchctl_log(LOG_ERR, "%s %s", limlookup[i].name, (i + 1) == limlookupcnt ? "" : "| ");
+               launchctl_log(LOG_ERR, "[both | soft hard]]");
+               return 1;
+       }
+
+       msg = launch_data_new_string(LAUNCH_KEY_GETRESOURCELIMITS);
+       resp = launch_msg(msg);
+       launch_data_free(msg);
+
+       if (resp == NULL) {
+               launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+               return 1;
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_OPAQUE) {
+               lmts = launch_data_get_opaque(resp);
+               lsz = launch_data_get_opaque_size(resp);
+               if (argc <= 2) {
+                       for (i = 0; i < (lsz / sizeof(struct rlimit)); i++) {
+                               if (argc == 2 && (size_t)which != i)
+                                       continue;
+                               launchctl_log(LOG_NOTICE, "\t%-12s%-15s%-15s", num2name((int)i),
+                                               lim2str(lmts[i].rlim_cur, slimstr),
+                                               lim2str(lmts[i].rlim_max, hlimstr));
+                       }
+               }
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_STRING) {
+               launchctl_log(LOG_ERR, "%s %s error: %s", getprogname(), argv[0], launch_data_get_string(resp));
+               r = 1;
+       } else {
+               launchctl_log(LOG_ERR, "%s %s returned unknown response", getprogname(), argv[0]);
+               r = 1;
+       }
+
+       if (argc <= 2 || r != 0) {
+               launch_data_free(resp);
+               return r;
+       } else {
+               resp1 = resp;
+       }
+
+       lmts[which].rlim_cur = slim;
+       lmts[which].rlim_max = hlim;
+
+       bool maxfiles_exceeded = false;
+       if (strncmp(argv[1], "maxfiles", sizeof("maxfiles")) == 0) {
+               if (argc > 2) {
+                       maxfiles_exceeded = (strncmp(argv[2], "unlimited", sizeof("unlimited")) == 0);
+               }
+
+               if (argc > 3) {
+                       maxfiles_exceeded = (maxfiles_exceeded || strncmp(argv[3], "unlimited", sizeof("unlimited")) == 0);
+               }
+
+               if (maxfiles_exceeded) {
+                       launchctl_log(LOG_ERR, "Neither the hard nor soft limit for \"maxfiles\" can be unlimited. Please use a numeric parameter for both.");
+                       return 1;
+               }
+       }
+
+       msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+       tmp = launch_data_new_opaque(lmts, lsz);
+       launch_data_dict_insert(msg, tmp, LAUNCH_KEY_SETRESOURCELIMITS);
+       resp = launch_msg(msg);
+       launch_data_free(msg);
+
+       if (resp == NULL) {
+               launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+               return 1;
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_STRING) {
+               launchctl_log(LOG_ERR, "%s %s error: %s", getprogname(), argv[0], launch_data_get_string(resp));
+               r = 1;
+       } else if (launch_data_get_type(resp) != LAUNCH_DATA_OPAQUE) {
+               launchctl_log(LOG_ERR, "%s %s returned unknown response", getprogname(), argv[0]);
+               r = 1;
+       }
+
+       launch_data_free(resp);
+       launch_data_free(resp1);
+
+       return r;
+}
+
+int
+umask_cmd(int argc, char *const argv[])
+{
+       bool badargs = false;
+       char *endptr;
+       long m = 0;
+       int64_t inval, outval;
+
+       if (argc == 2) {
+               m = strtol(argv[1], &endptr, 8);
+               if (*endptr != '\0' || m > 0777)
+                       badargs = true;
+       }
+
+       if (argc > 2 || badargs) {
+               launchctl_log(LOG_ERR, "usage: %s %s <mask>", getprogname(), argv[0]);
+               return 1;
+       }
+
+       inval = m;
+
+       if (vproc_swap_integer(NULL, VPROC_GSK_GLOBAL_UMASK, argc == 2 ? &inval : NULL, &outval) == NULL) {
+               if (argc == 1) {
+                       launchctl_log(LOG_NOTICE, "%o", (unsigned int)outval);
+               }
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+void
+setup_system_context(void)
+{
+       if (getenv(LAUNCHD_SOCKET_ENV)) {
+               return;
+       }
+
+       if (getenv(LAUNCH_ENV_KEEPCONTEXT)) {
+               return;
+       }
+
+       if (geteuid() != 0) {
+               launchctl_log(LOG_ERR, "You must be the root user to perform this operation.");
+               return;
+       }
+
+       /* Use the system launchd's socket. */
+       setenv("__USE_SYSTEM_LAUNCHD", "1", 0);
+
+       /* Put ourselves in the system launchd's bootstrap. */
+       mach_port_t rootbs = str2bsport("/");
+       mach_port_deallocate(mach_task_self(), bootstrap_port);
+       task_set_bootstrap_port(mach_task_self(), rootbs);
+       bootstrap_port = rootbs;
+}
+
+int
+submit_cmd(int argc, char *const argv[])
+{
+       launch_data_t msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+       launch_data_t job = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+       launch_data_t resp, largv = launch_data_alloc(LAUNCH_DATA_ARRAY);
+       int ch, i, r = 0;
+
+       launch_data_dict_insert(job, launch_data_new_bool(false), LAUNCH_JOBKEY_ONDEMAND);
+
+       while ((ch = getopt(argc, argv, "l:p:o:e:")) != -1) {
+               switch (ch) {
+               case 'l':
+                       launch_data_dict_insert(job, launch_data_new_string(optarg), LAUNCH_JOBKEY_LABEL);
+                       break;
+               case 'p':
+                       launch_data_dict_insert(job, launch_data_new_string(optarg), LAUNCH_JOBKEY_PROGRAM);
+                       break;
+               case 'o':
+                       launch_data_dict_insert(job, launch_data_new_string(optarg), LAUNCH_JOBKEY_STANDARDOUTPATH);
+                       break;
+               case 'e':
+                       launch_data_dict_insert(job, launch_data_new_string(optarg), LAUNCH_JOBKEY_STANDARDERRORPATH);
+                       break;
+               default:
+                       launchctl_log(LOG_ERR, "usage: %s submit ...", getprogname());
+                       return 1;
+               }
+       }
+       argc -= optind;
+       argv += optind;
+
+       for (i = 0; argv[i]; i++) {
+               launch_data_array_append(largv, launch_data_new_string(argv[i]));
+       }
+
+       launch_data_dict_insert(job, largv, LAUNCH_JOBKEY_PROGRAMARGUMENTS);
+
+       launch_data_dict_insert(msg, job, LAUNCH_KEY_SUBMITJOB);
+
+       resp = launch_msg(msg);
+       launch_data_free(msg);
+
+       if (resp == NULL) {
+               launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+               return 1;
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_ERRNO) {
+               errno = launch_data_get_errno(resp);
+               if (errno) {
+                       launchctl_log(LOG_ERR, "%s %s error: %s", getprogname(), argv[0], strerror(errno));
+                       r = 1;
+               }
+       } else {
+               launchctl_log(LOG_ERR, "%s %s error: %s", getprogname(), argv[0], "unknown response");
+       }
+
+       launch_data_free(resp);
+
+       return r;
+}
+
+int
+getrusage_cmd(int argc, char *const argv[])
+{
+       launch_data_t resp, msg;
+       bool badargs = false;
+       int r = 0;
+
+       if (argc != 2)
+               badargs = true;
+       else if (strcmp(argv[1], "self") && strcmp(argv[1], "children"))
+               badargs = true;
+
+       if (badargs) {
+               launchctl_log(LOG_ERR, "usage: %s %s self | children", getprogname(), argv[0]);
+               return 1;
+       }
+
+       if (!strcmp(argv[1], "self")) {
+               msg = launch_data_new_string(LAUNCH_KEY_GETRUSAGESELF);
+       } else {
+               msg = launch_data_new_string(LAUNCH_KEY_GETRUSAGECHILDREN);
+       }
+
+       resp = launch_msg(msg);
+       launch_data_free(msg);
+
+       if (resp == NULL) {
+               launchctl_log(LOG_ERR, "launch_msg(): %s", strerror(errno));
+               return 1;
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_ERRNO) {
+               launchctl_log(LOG_ERR, "%s %s error: %s", getprogname(), argv[0], strerror(launch_data_get_errno(resp)));
+               r = 1;
+       } else if (launch_data_get_type(resp) == LAUNCH_DATA_OPAQUE) {
+               struct rusage *rusage = launch_data_get_opaque(resp);
+               launchctl_log(LOG_NOTICE, "\t%-10f\tuser time used",
+                               (double)rusage->ru_utime.tv_sec + (double)rusage->ru_utime.tv_usec / (double)1000000);
+               launchctl_log(LOG_NOTICE, "\t%-10f\tsystem time used",
+                               (double)rusage->ru_stime.tv_sec + (double)rusage->ru_stime.tv_usec / (double)1000000);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tmax resident set size", rusage->ru_maxrss);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tshared text memory size", rusage->ru_ixrss);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tunshared data size", rusage->ru_idrss);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tunshared stack size", rusage->ru_isrss);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tpage reclaims", rusage->ru_minflt);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tpage faults", rusage->ru_majflt);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tswaps", rusage->ru_nswap);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tblock input operations", rusage->ru_inblock);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tblock output operations", rusage->ru_oublock);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tmessages sent", rusage->ru_msgsnd);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tmessages received", rusage->ru_msgrcv);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tsignals received", rusage->ru_nsignals);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tvoluntary context switches", rusage->ru_nvcsw);
+               launchctl_log(LOG_NOTICE, "\t%-10ld\tinvoluntary context switches", rusage->ru_nivcsw);
+       } else {
+               launchctl_log(LOG_ERR, "%s %s returned unknown response", getprogname(), argv[0]);
+               r = 1;
+       } 
+
+       launch_data_free(resp);
+
+       return r;
+}
+
+bool
+launch_data_array_append(launch_data_t a, launch_data_t o)
+{
+       size_t offt = launch_data_array_get_count(a);
+
+       return launch_data_array_set_index(a, o, offt);
+}
+
+mach_port_t
+str2bsport(const char *s)
+{
+       bool getrootbs = strcmp(s, "/") == 0;
+       mach_port_t last_bport, bport = bootstrap_port;
+       task_t task = mach_task_self();
+       kern_return_t result;
+
+       if (strcmp(s, "..") == 0 || getrootbs) {
+               do {
+                       last_bport = bport;
+                       result = bootstrap_parent(last_bport, &bport);
+
+                       if (result == BOOTSTRAP_NOT_PRIVILEGED) {
+                               launchctl_log(LOG_ERR, "Permission denied");
+                               return 1;
+                       } else if (result != BOOTSTRAP_SUCCESS) {
+                               launchctl_log(LOG_ERR, "bootstrap_parent() %d", result);
+                               return 1;
+                       }
+               } while (getrootbs && last_bport != bport);
+       } else if (strcmp(s, "0") == 0 || strcmp(s, "NULL") == 0) {
+               bport = MACH_PORT_NULL;
+       } else {
+               int pid = atoi(s);
+
+               result = task_for_pid(mach_task_self(), pid, &task);
+
+               if (result != KERN_SUCCESS) {
+                       launchctl_log(LOG_ERR, "task_for_pid() %s", mach_error_string(result));
+                       return 1;
+               }
+
+               result = task_get_bootstrap_port(task, &bport);
+
+               if (result != KERN_SUCCESS) {
+                       launchctl_log(LOG_ERR, "Couldn't get bootstrap port: %s", mach_error_string(result));
+                       return 1;
+               }
+       }
+
+       return bport;
+}
+
+int
+bsexec_cmd(int argc, char *const argv[])
+{
+       kern_return_t result;
+       mach_port_t bport;
+
+       if (argc < 3) {
+               launchctl_log(LOG_ERR, "usage: %s bsexec <PID> prog...", getprogname());
+               return 1;
+       }
+
+       bport = str2bsport(argv[1]);
+
+       result = task_set_bootstrap_port(mach_task_self(), bport);
+
+       if (result != KERN_SUCCESS) {
+               launchctl_log(LOG_ERR, "Couldn't switch to new bootstrap port: %s", mach_error_string(result));
+               return 1;
+       }
+
+       setgid(getgid());
+       setuid(getuid());
+
+       setenv(LAUNCH_ENV_KEEPCONTEXT, "1", 1);
+       if (fwexec((const char *const *)argv + 2, NULL) == -1) {
+               launchctl_log(LOG_ERR, "%s bsexec failed: %s", getprogname(), strerror(errno));
+               return 1;
+       }
+
+       return 0;
+}
+
+int
+_bslist_cmd(mach_port_t bport, unsigned int depth, bool show_job, bool local_only)
+{
+       kern_return_t result;
+       name_array_t service_names;
+       name_array_t service_jobs;
+       mach_msg_type_number_t service_cnt, service_jobs_cnt, service_active_cnt;
+       bootstrap_status_array_t service_actives;
+       unsigned int i;
+
+       if (bport == MACH_PORT_NULL) {
+               launchctl_log(LOG_ERR, "Invalid bootstrap port");
+               return 1;
+       }
+
+       uint64_t flags = 0;
+       flags |= local_only ? BOOTSTRAP_FORCE_LOCAL : 0;
+       result = bootstrap_info(bport, &service_names, &service_cnt, &service_jobs, &service_jobs_cnt, &service_actives, &service_active_cnt, flags);
+       if (result != BOOTSTRAP_SUCCESS) {
+               launchctl_log(LOG_ERR, "bootstrap_info(): %d", result);
+               return 1;
+       }
+
+#define bport_state(x) (((x) == BOOTSTRAP_STATUS_ACTIVE) ? "A" : ((x) == BOOTSTRAP_STATUS_ON_DEMAND) ? "D" : "I")
+
+       for (i = 0; i < service_cnt ; i++) {
+               if (!show_job) {
+                       fprintf(stdout, "%*s%-3s%s\n", depth, "", bport_state((service_actives[i])), service_names[i]);
+               } else {
+                       fprintf(stdout, "%*s%-3s%s (%s)\n", depth, "", bport_state((service_actives[i])), service_names[i], service_jobs[i]);
+               }
+       }
+
+       return 0;
+}
+
+int
+bslist_cmd(int argc, char *const argv[])
+{
+       if (_launchctl_is_managed) {
+               /* This output is meant for a command line, so don't print anything if
+                * we're managed by launchd.
+                */
+               return 1;
+       }
+
+       mach_port_t bport = bootstrap_port;
+       bool show_jobs = false;
+       if (argc > 2 && strcmp(argv[2], "-j") == 0) {
+               show_jobs = true;
+       }
+
+       if (argc > 1) {
+               if (show_jobs) {
+                       bport = str2bsport(argv[1]);
+               } else if (strcmp(argv[1], "-j") == 0) {
+                       show_jobs = true;
+               }
+       }
+
+       if (bport == MACH_PORT_NULL) {
+               launchctl_log(LOG_ERR, "Invalid bootstrap port");
+               return 1;
+       }
+
+       return _bslist_cmd(bport, 0, show_jobs, false);
+}
+
+int
+_bstree_cmd(mach_port_t bsport, unsigned int depth, bool show_jobs)
+{
+       if (bsport == MACH_PORT_NULL) {
+               launchctl_log(LOG_ERR, "No root port!");
+               return 1;
+       }
+
+       mach_port_array_t child_ports = NULL;
+       name_array_t child_names = NULL;
+       bootstrap_property_array_t child_props = NULL;
+       unsigned int cnt = 0;
+
+       kern_return_t kr = bootstrap_lookup_children(bsport, &child_ports, &child_names, &child_props, (mach_msg_type_number_t *)&cnt);
+       if (kr != BOOTSTRAP_SUCCESS && kr != BOOTSTRAP_NO_CHILDREN) {
+               if (kr == BOOTSTRAP_NOT_PRIVILEGED) {
+                       launchctl_log(LOG_ERR, "You must be root to perform this operation.");
+               } else {
+                       launchctl_log(LOG_ERR, "bootstrap_lookup_children(): %d", kr);
+               }
+
+               return 1;
+       }
+
+       unsigned int i = 0;
+       _bslist_cmd(bsport, depth, show_jobs, true);
+
+       for (i = 0; i < cnt; i++) {
+               char *type = NULL;
+               if (child_props[i] & BOOTSTRAP_PROPERTY_PERUSER) {
+                       type = "Per-user";
+               } else if (child_props[i] & BOOTSTRAP_PROPERTY_EXPLICITSUBSET) {
+                       type = "Explicit Subset";
+               } else if (child_props[i] & BOOTSTRAP_PROPERTY_IMPLICITSUBSET) {
+                       type = "Implicit Subset";
+               } else if (child_props[i] & BOOTSTRAP_PROPERTY_MOVEDSUBSET) {
+                       type = "Moved Subset";
+               } else if (child_props[i] & BOOTSTRAP_PROPERTY_XPC_SINGLETON) {
+                       type = "XPC Singleton Domain";
+               } else if (child_props[i] & BOOTSTRAP_PROPERTY_XPC_DOMAIN) {
+                       type = "XPC Private Domain";
+               } else {
+                       type = "Unknown";
+               }
+
+               fprintf(stdout, "%*s%s (%s)/\n", depth, "", child_names[i], type);
+               if (child_ports[i] != MACH_PORT_NULL) {
+                       _bstree_cmd(child_ports[i], depth + 4, show_jobs);
+               }
+       }
+
+       return 0;
+}
+
+int
+bstree_cmd(int argc, char * const argv[])
+{
+       if (_launchctl_is_managed) {
+               /* This output is meant for a command line, so don't print anything if
+                * we're managed by launchd.
+                */
+               return 1;
+       }
+
+       bool show_jobs = false;
+       if (geteuid() != 0) {
+               launchctl_log(LOG_ERR, "You must be root to perform this operation.");
+               return 1;
+       } else {
+               if (argc == 2 && strcmp(argv[1], "-j") == 0) {
+                       show_jobs = true;
+               }
+               fprintf(stdout, "System/\n");
+       }
+
+       return _bstree_cmd(str2bsport("/"), 4, show_jobs);
+}
+
+int
+managerpid_cmd(int argc __attribute__((unused)), char * const argv[] __attribute__((unused)))
+{
+       int64_t manager_pid = 0;
+       vproc_err_t verr = vproc_swap_integer(NULL, VPROC_GSK_MGR_PID, NULL, (int64_t *)&manager_pid);
+       if (verr) {
+               launchctl_log(LOG_NOTICE, "Unknown job manager!");
+               return 1;
+       }
+
+       launchctl_log(LOG_NOTICE, "%d", (pid_t)manager_pid);
+       return 0;
+}
+
+int
+manageruid_cmd(int argc __attribute__((unused)), char * const argv[] __attribute__((unused)))
+{
+       int64_t manager_uid = 0;
+       vproc_err_t verr = vproc_swap_integer(NULL, VPROC_GSK_MGR_UID, NULL, (int64_t *)&manager_uid);
+       if (verr) {
+               launchctl_log(LOG_NOTICE, "Unknown job manager!");
+               return 1;
+       }
+
+       launchctl_log(LOG_NOTICE, "%lli", manager_uid);
+       return 0;
+}
+
+int
+managername_cmd(int argc __attribute__((unused)), char * const argv[] __attribute__((unused)))
+{
+       char *manager_name = NULL;
+       vproc_err_t verr = vproc_swap_string(NULL, VPROC_GSK_MGR_NAME, NULL, &manager_name);
+       if (verr) {
+               launchctl_log(LOG_NOTICE, "Unknown job manager!");
+               return 1;
+       }
+
+       launchctl_log(LOG_NOTICE, "%s", manager_name);
+       free(manager_name);
+
+       return 0;
+}
+
+int
+asuser_cmd(int argc, char * const argv[])
+{
+       /* This code plays fast and loose with Mach ports. Do NOT use it as any sort
+        * of reference for port handling. Or really anything else in this file.
+        */
+       uid_t req_uid = (uid_t)-2;
+       if (argc > 2) {
+               req_uid = atoi(argv[1]);
+               if (req_uid == (uid_t)-2) {
+                       launchctl_log(LOG_ERR, "You cannot run a command nobody.");
+                       return 1;
+               }
+       } else {
+               launchctl_log(LOG_ERR, "Usage: launchctl asuser <UID> <command> [arguments...].");
+               return 1;
+       }
+
+       if (geteuid() != 0) {
+               launchctl_log(LOG_ERR, "You must be root to run a command as another user.");
+               return 1;
+       }
+
+       mach_port_t rbs = MACH_PORT_NULL;
+       kern_return_t kr = bootstrap_get_root(bootstrap_port, &rbs);
+       if (kr != BOOTSTRAP_SUCCESS) {
+               launchctl_log(LOG_ERR, "bootstrap_get_root(): %u", kr);
+               return 1;
+       }
+
+       mach_port_t bp = MACH_PORT_NULL;
+       kr = bootstrap_look_up_per_user(rbs, NULL, req_uid, &bp);
+       if (kr != BOOTSTRAP_SUCCESS) {
+               launchctl_log(LOG_ERR, "bootstrap_look_up_per_user(): %u", kr);
+               return 1;
+       }
+
+       bootstrap_port = bp;
+       kr = task_set_bootstrap_port(mach_task_self(), bp);
+       if (kr != KERN_SUCCESS) {
+               launchctl_log(LOG_ERR, "task_set_bootstrap_port(): 0x%x: %s", kr, mach_error_string(kr));
+               return 1;
+       }
+
+       name_t sockpath;
+       sockpath[0] = 0;
+       kr = _vprocmgr_getsocket(sockpath);
+       if (kr != BOOTSTRAP_SUCCESS) {
+               launchctl_log(LOG_ERR, "_vprocmgr_getsocket(): %u", kr);
+               return 1;
+       }
+
+       setenv(LAUNCHD_SOCKET_ENV, sockpath, 1);
+       setenv(LAUNCH_ENV_KEEPCONTEXT, "1", 1);
+       if (fwexec((const char *const *)argv + 2, NULL) == -1) {
+               launchctl_log(LOG_ERR, "Couldn't spawn command: %s", argv[2]);
+               return 1;
+       }
+
+       return 0;
+}
+
+void
+loopback_setup_ipv4(void)
+{
+       struct ifaliasreq ifra;
+       struct ifreq ifr;
+       int s;
+
+       memset(&ifr, 0, sizeof(ifr));
+       strcpy(ifr.ifr_name, "lo0");
+
+       if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
+               return;
+
+       if (posix_assumes_zero(ioctl(s, SIOCGIFFLAGS, &ifr)) != -1) {
+               ifr.ifr_flags |= IFF_UP;
+               (void)posix_assumes_zero(ioctl(s, SIOCSIFFLAGS, &ifr));
+       }
+
+       memset(&ifra, 0, sizeof(ifra));
+       strcpy(ifra.ifra_name, "lo0");
+       ((struct sockaddr_in *)&ifra.ifra_addr)->sin_family = AF_INET;
+       ((struct sockaddr_in *)&ifra.ifra_addr)->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+       ((struct sockaddr_in *)&ifra.ifra_addr)->sin_len = sizeof(struct sockaddr_in);
+       ((struct sockaddr_in *)&ifra.ifra_mask)->sin_family = AF_INET;
+       ((struct sockaddr_in *)&ifra.ifra_mask)->sin_addr.s_addr = htonl(IN_CLASSA_NET);
+       ((struct sockaddr_in *)&ifra.ifra_mask)->sin_len = sizeof(struct sockaddr_in);
+
+       (void)posix_assumes_zero(ioctl(s, SIOCAIFADDR, &ifra));
+       (void)close(s);
+}
+
+void
+loopback_setup_ipv6(void)
+{
+       struct in6_aliasreq ifra6;
+       struct ifreq ifr;
+       int s6;
+
+       memset(&ifr, 0, sizeof(ifr));
+       strcpy(ifr.ifr_name, "lo0");
+
+       if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) == -1)
+               return;
+
+       memset(&ifr, 0, sizeof(ifr));
+       strcpy(ifr.ifr_name, "lo0");
+
+       if (posix_assumes_zero(ioctl(s6, SIOCGIFFLAGS, &ifr)) != -1) {
+               ifr.ifr_flags |= IFF_UP;
+               (void)posix_assumes_zero(ioctl(s6, SIOCSIFFLAGS, &ifr));
+       }
+
+       memset(&ifra6, 0, sizeof(ifra6));
+       strcpy(ifra6.ifra_name, "lo0");
+
+       ifra6.ifra_addr.sin6_family = AF_INET6;
+       ifra6.ifra_addr.sin6_addr = in6addr_loopback;
+       ifra6.ifra_addr.sin6_len = sizeof(struct sockaddr_in6);
+       ifra6.ifra_prefixmask.sin6_family = AF_INET6;
+       memset(&ifra6.ifra_prefixmask.sin6_addr, 0xff, sizeof(struct in6_addr));
+       ifra6.ifra_prefixmask.sin6_len = sizeof(struct sockaddr_in6);
+       ifra6.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME;
+       ifra6.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME;
+
+       if (ioctl(s6, SIOCAIFADDR_IN6, &ifra6) == -1 && errno != EEXIST) {
+               (void)osx_assumes_zero(errno);
+       }
+
+       (void)close(s6);
+}
+
+pid_t
+fwexec(const char *const *argv, int *wstatus)
+{
+       int wstatus2;
+       pid_t p;
+
+       /* We'd use posix_spawnp(), but we want to workaround: 6288899 */
+       if ((p = vfork()) == -1) {
+               return -1;
+       } else if (p == 0) {
+               execvp(argv[0], (char *const *)argv);
+               _exit(EXIT_FAILURE);
+       }
+
+       if (waitpid(p, wstatus ? wstatus : &wstatus2, 0) == -1) {
+               return -1;
+       }
+
+       if (wstatus) {
+               return p;
+       } else if (WIFEXITED(wstatus2) && WEXITSTATUS(wstatus2) == EXIT_SUCCESS) {
+               return p;
+       }
+
+       return -1;
+}
+
+void
+do_potential_fsck(void)
+{
+       /* XXX: This whole function's logic needs to be redone. */
+
+       const char *safe_fsck_tool[] = { "fsck", "-fy", NULL };
+       const char *fsck_tool[] = { "fsck", "-q", NULL };
+       const char *remount_tool[] = { "mount", "-uw", "/", NULL };
+#if TARGET_OS_EMBEDDED
+       const char *nvram_tool[] = { "/usr/sbin/nvram", "auto-boot=false", NULL };
+#endif /* TARGET_OS_EMBEDDED */
+       struct statfs sfs;
+       int status = 0;
+
+       if (posix_assumes_zero(statfs("/", &sfs)) == -1) {
+               return;
+       }
+
+       if (!(sfs.f_flags & MNT_RDONLY)) {
+               return;
+       }
+
+       if (!is_safeboot()) {
+#if 0
+               /* We have disabled this block for now. We need to revisit this optimization after Leopard. */
+               if (sfs.f_flags & MNT_JOURNALED) {
+                       goto out;
+               }
+#endif
+               launchctl_log(LOG_NOTICE, "Running fsck on the boot volume...");
+               if (fwexec(fsck_tool, &status) != -1) {
+                       if (WEXITSTATUS(status) != 0) {
+                               launchctl_log(LOG_NOTICE, "fsck exited with status: %d", WEXITSTATUS(status));
+                       } else {
+                               goto out;
+                       }
+               } else {
+                       launchctl_log(LOG_NOTICE, "fwexec(): %d: %s", errno, strerror(errno));
+               }
+       }
+
+       launchctl_log(LOG_NOTICE, "Running safe fsck on the boot volume...");
+       if (fwexec(safe_fsck_tool, &status) != -1) {
+               if (WEXITSTATUS(status) != 0) {
+                       launchctl_log(LOG_NOTICE, "Safe fsck exited with status: %d", WEXITSTATUS(status));
+               } else {
+                       goto out;
+               }
+       } else {
+               launchctl_log(LOG_NOTICE, "fwexec(): %d: %s", errno, strerror(errno));
+       }
+
+       /* someday, we should keep booting read-only, but as of today, other sub-systems cannot handle that scenario */
+#if TARGET_OS_EMBEDDED
+       launchctl_log(LOG_NOTICE, "fsck failed! Booting into restore mode...");
+       (void)posix_assumes_zero(fwexec(nvram_tool, NULL));
+       (void)reboot(RB_AUTOBOOT);
+#else
+       launchctl_log(LOG_NOTICE, "fsck failed! Shutting down in 3 seconds.");
+       sleep(3);
+       (void)reboot(RB_HALT);
+#endif
+
+       return;
+out:
+       /* 
+        * Once this is fixed:
+        *
+        * <rdar://problem/3948774> Mount flag updates should be possible with NULL as the forth argument to mount()
+        *
+        * We can then do this one system call instead of calling out a full blown process.
+        *
+        * assumes(mount(sfs.f_fstypename, "/", MNT_UPDATE, NULL) != -1);
+        */
+#if TARGET_OS_EMBEDDED
+       if (path_check("/etc/fstab")) {
+               const char *mount_tool[] = { "mount", "-vat", "nonfs", NULL };
+               if (posix_assumes_zero(fwexec(mount_tool, NULL)) == -1) {
+                       (void)fwexec(nvram_tool, NULL);
+                       (void)reboot(RB_AUTOBOOT);
+               }
+       } else
+#endif
+       {
+               (void)posix_assumes_zero(fwexec(remount_tool, NULL));
+       }
+
+       fix_bogus_file_metadata();
+}
+
+void
+fix_bogus_file_metadata(void)
+{
+       static const struct {
+               const char *path;
+               const uid_t owner;
+               const gid_t group;
+               const mode_t needed_bits;
+               const mode_t bad_bits;
+               const bool create;
+       } f[] = {
+               { "/sbin/launchd", 0, 0, S_IRUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH, S_ISUID|S_ISGID|S_ISVTX|S_IWOTH, false },
+               { _PATH_TMP, 0, 0, S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO, S_ISUID|S_ISGID, true },
+               { _PATH_VARTMP, 0, 0, S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO, S_ISUID|S_ISGID, true },
+               { "/var/folders", 0, 0, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH, S_ISUID | S_ISGID, true },
+               { LAUNCHD_DB_PREFIX, 0, 0, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH, S_IWGRP | S_IWOTH, true },
+               { LAUNCHD_DB_PREFIX "/com.apple.launchd", 0, 0, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH, S_IWGRP | S_IWOTH, true },
+               // Fixing <rdar://problem/7571633>.
+               { _PATH_VARDB, 0, 0, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH, S_IWGRP | S_IWOTH | S_ISUID | S_ISGID, true },
+#if !TARGET_OS_EMBEDDED
+               { _PATH_VARDB "mds/", 0, 0, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH, S_IWGRP | S_IWOTH | S_ISUID | S_ISGID, true },
+               // Similar fix for <rdar://problem/6550172>.
+               { "/Library/StartupItems", 0, 0, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH, S_IWGRP | S_IWOTH | S_ISUID | S_ISGID, true },
+#endif
+       };
+       struct stat sb;
+       size_t i;
+
+       for (i = 0; i < (sizeof(f) / sizeof(f[0])); i++) {
+               mode_t i_needed_bits;
+               mode_t i_bad_bits;
+               bool fix_mode = false;
+               bool fix_id = false;
+
+               if (stat(f[i].path, &sb) == -1) {
+                       launchctl_log(LOG_NOTICE, "Crucial filesystem check: Path not present: %s. %s", f[i].path, f[i].create ? "Will create." : "");
+                       if (f[i].create) {
+                               if (posix_assumes_zero(mkdir(f[i].path, f[i].needed_bits)) == -1) {
+                                       continue;
+                               } else if (posix_assumes_zero(stat(f[i].path, &sb)) == -1) {
+                                       continue;
+                               }
+                       } else {
+                               continue;
+                       }
+               }
+
+               i_needed_bits = ~sb.st_mode & f[i].needed_bits;
+               i_bad_bits = sb.st_mode & f[i].bad_bits;
+
+               if (i_bad_bits) {
+                       launchctl_log(LOG_ERR, "Crucial filesystem check: Removing bogus mode bits 0%o on path: %s", i_bad_bits, f[i].path);
+                       fix_mode = true;
+               }
+               if (i_needed_bits) {
+                       launchctl_log(LOG_ERR, "Crucial filesystem check: Adding missing mode bits 0%o on path: %s", i_needed_bits, f[i].path);
+                       fix_mode = true;
+               }
+               if (sb.st_uid != f[i].owner) {
+                       launchctl_log(LOG_ERR, "Crucial filesystem check: Fixing bogus UID %u on path: %s", sb.st_uid, f[i].path);
+                       fix_id = true;
+               }
+               if (sb.st_gid != f[i].group) {
+                       launchctl_log(LOG_ERR, "Crucial filesystem check: Fixing bogus GID %u on path: %s", sb.st_gid, f[i].path);
+                       fix_id = true;
+               }
+
+               if (fix_mode) {
+                       (void)posix_assumes_zero(chmod(f[i].path, (sb.st_mode & ~i_bad_bits) | i_needed_bits));
+               }
+               if (fix_id) {
+                       (void)posix_assumes_zero(chown(f[i].path, f[i].owner, f[i].group));
+               }
+       }
+}
+
+
+bool
+path_check(const char *path)
+{
+       struct stat sb;
+
+       if (stat(path, &sb) == 0)
+               return true;
+       return false;
+}
+
+bool
+is_safeboot(void)
+{
+       int sbmib[] = { CTL_KERN, KERN_SAFEBOOT };
+       uint32_t sb = 0;
+       size_t sbsz = sizeof(sb);
+
+       if (posix_assumes_zero(sysctl(sbmib, 2, &sb, &sbsz, NULL, 0)) == -1) {
+               return false;
+       }
+
+       return (bool)sb;
+}
+
+bool
+is_netboot(void)
+{
+       int nbmib[] = { CTL_KERN, KERN_NETBOOT };
+       uint32_t nb = 0;
+       size_t nbsz = sizeof(nb);
+
+       if (posix_assumes_zero(sysctl(nbmib, 2, &nb, &nbsz, NULL, 0)) == -1) {
+               return false;
+       }
+
+       return (bool)nb;
+}
+
+void
+empty_dir(const char *thedir, struct stat *psb)
+{
+       struct dirent *de;
+       struct stat psb2;
+       DIR *od;
+       int currend_dir_fd;
+
+       if (!psb) {
+               psb = &psb2;
+               if (posix_assumes_zero(lstat(thedir, psb)) == -1) {
+                       return;
+               }
+       }
+
+       if (posix_assumes_zero(currend_dir_fd = open(".", 0)) == -1) {
+               return;
+       }
+
+       if (posix_assumes_zero(chdir(thedir)) == -1) {
+               goto out;
+       }
+
+       if (!(od = opendir("."))) {
+               (void)osx_assumes_zero(errno);
+               goto out;
+       }
+
+       while ((de = readdir(od))) {
+               struct stat sb;
+
+               if (strcmp(de->d_name, ".") == 0) {
+                       continue;
+               }
+
+               if (strcmp(de->d_name, "..") == 0) {
+                       continue;
+               }
+
+               if (posix_assumes_zero(lstat(de->d_name, &sb)) == -1) {
+                       continue;
+               }
+
+               if (psb->st_dev != sb.st_dev) {
+                       (void)posix_assumes_zero(unmount(de->d_name, MNT_FORCE));
+
+                       /* Let's lstat() again to see if the unmount() worked and what was
+                        * under it.
+                        */
+                       if (posix_assumes_zero(lstat(de->d_name, &sb)) == -1) {
+                               continue;
+                       }
+
+                       if (osx_assumes(psb->st_dev == sb.st_dev)) {
+                               continue;
+                       }
+               }
+
+               if (S_ISDIR(sb.st_mode)) {
+                       empty_dir(de->d_name, &sb);
+               }
+
+               (void)posix_assumes_zero(lchflags(de->d_name, 0));
+               (void)posix_assumes_zero(remove(de->d_name));
+       }
+
+       (void)closedir(od);
+
+out:
+       (void)posix_assumes_zero(fchdir(currend_dir_fd));
+       (void)posix_assumes_zero(close(currend_dir_fd));
+}
+
+int
+touch_file(const char *path, mode_t m)
+{
+       int fd = open(path, O_CREAT, m);
+
+       if (fd == -1)
+               return -1;
+
+       return close(fd);
+}
+
+void
+apply_sysctls_from_file(const char *thefile)
+{
+       const char *sysctl_tool[] = { "sysctl", "-w", NULL, NULL };
+       size_t ln_len = 0;
+       char *val, *tmpstr;
+       FILE *sf;
+
+       if (!(sf = fopen(thefile, "r")))
+               return;
+
+       while ((val = fgetln(sf, &ln_len))) {
+               if (ln_len == 0) {
+                       continue;
+               }
+               if (!(tmpstr = malloc(ln_len + 1))) {
+                       (void)osx_assumes_zero(errno);
+                       continue;
+               }
+               memcpy(tmpstr, val, ln_len);
+               tmpstr[ln_len] = 0;
+               val = tmpstr;
+
+               if (val[ln_len - 1] == '\n' || val[ln_len - 1] == '\r') {
+                       val[ln_len - 1] = '\0';
+               }
+
+               while (*val && isspace(*val))
+                       val++;
+               if (*val == '\0' || *val == '#') {
+                       goto skip_sysctl_tool;
+               }
+               sysctl_tool[2] = val;
+               (void)posix_assumes_zero(fwexec(sysctl_tool, NULL));
+skip_sysctl_tool:
+               free(tmpstr);
+       }
+
+       (void)fclose(sf);
+}
+
+static CFStringRef
+copySystemBuildVersion(void)
+{
+    CFStringRef build = NULL;
+    const char path[] = "/System/Library/CoreServices/SystemVersion.plist";
+    CFURLRef plistURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorSystemDefault, (const uint8_t *)path, sizeof(path) - 1, false);
+
+       CFPropertyListRef plist = NULL;
+    if (plistURL && (plist = CFPropertyListCreateFromFile(plistURL))) {
+               if (CFTypeCheck(plist, CFDictionary)) {
+                       build = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)plist, _kCFSystemVersionBuildVersionKey);
+                       if (build && CFTypeCheck(build, CFString)) {
+                               CFRetain(build);
+                       } else {
+                               build = CFSTR("99Z999");
+                       }
+               }
+
+               CFRelease(plist);
+    } else {
+               build = CFSTR("99Z999");
+       }
+
+       if (plistURL) {
+               CFRelease(plistURL);
+       }
+
+    return build;
+}
+
+void
+do_sysversion_sysctl(void)
+{
+       int mib[] = { CTL_KERN, KERN_OSVERSION };
+       CFStringRef buildvers;
+       char buf[1024];
+       size_t bufsz = sizeof(buf);
+
+       /* <rdar://problem/4477682> ER: launchd should set kern.osversion very early in boot */
+
+       if (sysctl(mib, 2, buf, &bufsz, NULL, 0) == -1) {
+               launchctl_log(LOG_ERR, "sysctl(): %s", strerror(errno));
+               return;
+       }
+
+       if (buf[0] != '\0') {
+               return;
+       }
+
+       buildvers = copySystemBuildVersion();
+       if (buildvers) {
+               CFStringGetCString(buildvers, buf, sizeof(buf), kCFStringEncodingUTF8);
+               (void)posix_assumes_zero(sysctl(mib, 2, NULL, 0, buf, strlen(buf) + 1));
+       }
+
+       CFRelease(buildvers);
+}
+
+void
+do_application_firewall_magic(int sfd, launch_data_t thejob)
+{
+       const char *prog = NULL, *partialprog = NULL;
+       char *path, *pathtmp, **pathstmp;
+       char *paths[100];
+       launch_data_t tmp;
+
+       /*
+        * Sigh...
+        * <rdar://problem/4684434> setsockopt() with the executable path as the argument
+        */
+
+       if ((tmp = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_PROGRAM))) {
+               prog = launch_data_get_string(tmp);
+       }
+
+       if (!prog) {
+               if ((tmp = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_PROGRAMARGUMENTS))) {
+                       if ((tmp = launch_data_array_get_index(tmp, 0))) {
+                               if ((partialprog = launch_data_get_string(tmp))) {
+                                       if (partialprog[0] == '/') {
+                                               prog = partialprog;
+                                       }
+                               }
+                       }
+               }
+       }
+
+       if (!prog) {
+               pathtmp = path = strdup(getenv("PATH"));
+
+               pathstmp = paths;
+
+               while ((*pathstmp = strsep(&pathtmp, ":"))) {
+                       if (**pathstmp != '\0') {
+                               pathstmp++;
+                       }
+               }
+
+               free(path);
+               pathtmp = alloca(MAXPATHLEN);
+
+               pathstmp = paths;
+
+               for (; *pathstmp; pathstmp++) {
+                       snprintf(pathtmp, MAXPATHLEN, "%s/%s", *pathstmp, partialprog);
+                       if (path_check(pathtmp)) {
+                               prog = pathtmp;
+                               break;
+                       }
+               }
+       }
+
+       if (prog != NULL) {
+               /* The networking team has asked us to ignore the failure of this API if
+                * errno == ENOPROTOOPT.
+                */
+               if (setsockopt(sfd, SOL_SOCKET, SO_EXECPATH, prog, (socklen_t)(strlen(prog) + 1)) == -1 && errno != ENOPROTOOPT) {
+                       (void)osx_assumes_zero(errno);
+               }
+       }
+}
+
+
+void
+preheat_page_cache_hack(void)
+{
+       struct dirent *de;
+       DIR *thedir;
+
+       /* Disable this hack for now */
+       return;
+
+       if ((thedir = opendir("/etc/preheat_at_boot")) == NULL) {
+               return;
+       }
+
+       while ((de = readdir(thedir))) {
+               struct stat sb;
+               void *junkbuf;
+               int fd;
+
+               if (de->d_name[0] == '.') {
+                       continue;
+               }
+
+               if ((fd = open(de->d_name, O_RDONLY)) == -1) {
+                       continue;
+               }
+
+               if (fstat(fd, &sb) != -1) { 
+                       if ((sb.st_size < 10*1024*1024) && (junkbuf = malloc((size_t)sb.st_size)) != NULL) {
+                               ssize_t n = read(fd, junkbuf, (size_t)sb.st_size);
+                               if (posix_assumes_zero(n) != -1 && n != (ssize_t)sb.st_size) {
+                                       (void)osx_assumes_zero(n);
+                               }
+                               free(junkbuf);
+                       }
+               }
+
+               close(fd);
+       }
+
+       closedir(thedir);
+}
+
+void
+do_bootroot_magic(void)
+{
+       const char *kextcache_tool[] = { "kextcache", "-U", "/", NULL };
+       CFTypeRef bootrootProp;
+       io_service_t chosen;
+       int wstatus;
+       pid_t p;
+
+       chosen = IORegistryEntryFromPath(kIOMasterPortDefault, "IODeviceTree:/chosen");
+
+       if (!osx_assumes(chosen)) {
+               return;
+       }
+
+       bootrootProp = IORegistryEntryCreateCFProperty(chosen, CFSTR(kBootRootActiveKey), kCFAllocatorDefault, 0);
+
+       IOObjectRelease(chosen);
+
+       if (!bootrootProp) {
+               return;
+       }
+
+       CFRelease(bootrootProp);
+
+       if (posix_assumes_zero(p = fwexec(kextcache_tool, &wstatus)) == -1) {
+               return;
+       }
+
+       if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) == EX_OSFILE) {
+               (void)reboot(RB_AUTOBOOT);
+       }
+}
+
+void
+do_file_init(void)
+{
+       struct stat sb;
+
+       if (stat("/AppleInternal", &sb) == 0 && stat("/var/db/disableAppleInternal", &sb) == -1) {
+               _launchctl_apple_internal = true;
+       }
+
+       char bootargs[128];
+       size_t len = sizeof(bootargs);
+       int r = sysctlbyname("kern.bootargs", bootargs, &len, NULL, 0);
+       if (r == 0 && (strnstr(bootargs, "-v", len) != NULL || strnstr(bootargs, "-s", len))) {
+               _launchctl_verbose_boot = true;
+       }
+
+       if (stat("/var/db/.launchd_shutdown_debugging", &sb) == 0 && _launchctl_verbose_boot) {
+               _launchctl_startup_debugging = true;
+       }
+}