/*
* Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_APACHE_LICENSE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
*
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * 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_LICENSE_HEADER_END@
+ * @APPLE_APACHE_LICENSE_HEADER_END@
*/
+
+static const char *const __rcs_file_version__ = "$Revision: 1.88 $";
+
#include <CoreFoundation/CoreFoundation.h>
+#include <CoreFoundation/CFPriv.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/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 <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 <utmp.h>
+#include <utmpx.h>
+#include "bootstrap_public.h"
+#include "bootstrap_private.h"
#include "launch.h"
#include "launch_priv.h"
#define LAUNCH_SECDIR "/tmp/launch-XXXXXX"
+#define MACHINIT_JOBKEY_ONDEMAND "OnDemand"
+#define MACHINIT_JOBKEY_SERVICENAME "ServiceName"
+#define MACHINIT_JOBKEY_COMMAND "Command"
+#define MACHINIT_JOBKEY_SERVERPORT "ServerPort"
+#define MACHINIT_JOBKEY_SERVICEPORT "ServicePort"
+
+#define assumes(e) \
+ (__builtin_expect(!(e), 0) ? _log_launchctl_bug(__rcs_file_version__, __FILE__, __LINE__, #e), false : true)
+
+
+struct load_unload_state {
+ launch_data_t pass0;
+ launch_data_t pass1;
+ launch_data_t pass2;
+ char *session_type;
+ unsigned int editondisk:1, load:1, forceload:1, __pad:29;
+};
+
+static void myCFDictionaryApplyFunction(const void *key, const void *value, void *context);
static bool launch_data_array_append(launch_data_t a, launch_data_t o);
+static void distill_jobs(launch_data_t);
static void distill_config_file(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 read_plist_file(const char *file, bool editondisk, bool load);
static CFPropertyListRef CreateMyPropertyListFromFile(const char *);
static void WriteMyPropertyListToFile(CFPropertyListRef, const char *);
-static void readpath(const char *, launch_data_t, launch_data_t, bool editondisk, bool load);
+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 launch_data_t do_rendezvous_magic(const struct addrinfo *res, const char *serv);
static void submit_job_pass(launch_data_t jobs);
-
+static void submit_mach_jobs(launch_data_t jobs);
+static void let_go_of_mach_jobs(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);
+static void print_obj(launch_data_t obj, const char *key, void *context);
+static bool is_legacy_mach_job(launch_data_t obj);
+static bool delay_to_second_pass(launch_data_t o);
+static void delay_to_second_pass2(launch_data_t o, 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 _log_launchctl_bug(const char *rcs_rev, const char *path, unsigned int line, const char *test);
+static void loopback_setup_ipv4(void);
+static void loopback_setup_ipv6(void);
+static pid_t fwexec(const char *const *argv, bool _wait);
+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_func_to_dir(const char *thedir, void (*thefunc)(const char *));
+static void apply_sysctls_from_file(const char *thefile);
+static void empty_dir(const char *path);
+static int touch_file(const char *path, mode_t m);
+static void do_sysversion_sysctl(void);
+static void workaround4465949(void);
+
+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_and_stop_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 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(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 {
{ "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_and_stop_cmd, "Start specified jobs" },
- { "stop", start_and_stop_cmd, "Stop specified jobs" },
+ { "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" },
{ "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" },
{ "reloadttys", fyi_cmd, "Reload /etc/ttys" },
{ "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" },
+ { "exit", exit_cmd, "Exit the interactive invocation of launchctl" },
+ { "quit", exit_cmd, "Quit the interactive invocation of launchctl" },
{ "help", help_cmd, "This help output" },
};
-int main(int argc, char *const argv[])
+static bool istty = false;
+static bool verbose = false;
+
+int
+main(int argc, char *const argv[])
{
- bool istty = isatty(STDIN_FILENO);
char *l;
- if (argc > 1)
- exit(demux_cmd(argc - 1, argv + 1));
+ do_sysversion_sysctl();
+
+ 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':
+ verbose = true;
+ break;
+ default:
+ fprintf(stderr, "Unknown argument: '-%c'\n", *flago);
+ break;
+ }
+ }
+ argc--, argv++;
+ }
if (NULL == readline) {
fprintf(stderr, "missing library: readline\n");
exit(EXIT_FAILURE);
}
- while ((l = readline(istty ? "launchd% " : NULL))) {
- char *inputstring = l, *argv2[100], **ap = argv2;
- int i = 0;
-
- while ((*ap = strsep(&inputstring, " \t"))) {
- if (**ap != '\0') {
- ap++;
- i++;
+ if (argc == 0) {
+ while ((l = readline(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);
+ if (i > 0)
+ demux_cmd(i, argv2);
+
+ free(l);
+ }
- free(l);
+ if (istty) {
+ fputc('\n', stdout);
+ }
}
- if (istty)
- fputc('\n', stdout);
+ if (argc > 0) {
+ exit(demux_cmd(argc, argv));
+ }
exit(EXIT_SUCCESS);
}
-static int demux_cmd(int argc, char *const argv[])
+int
+demux_cmd(int argc, char *const argv[])
{
size_t i;
return 1;
}
-static int unsetenv_cmd(int argc, char *const argv[])
+int
+unsetenv_cmd(int argc, char *const argv[])
{
launch_data_t resp, tmp, msg;
return 0;
}
-static int setenv_cmd(int argc, char *const argv[])
+int
+setenv_cmd(int argc, char *const argv[])
{
launch_data_t resp, tmp, tmpv, msg;
return 0;
}
-static int getenv_and_export_cmd(int argc, char *const argv[] __attribute__((unused)))
+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)
+ fprintf(stdout, "setenv %s \"%s\";\n", key, launch_data_get_string(obj));
+ else
+ fprintf(stdout, "%s=\"%s\"; export %s;\n", 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))
+ fprintf(stdout, "%s\n", launch_data_get_string(obj));
+}
+
+int
+getenv_and_export_cmd(int argc, char *const argv[] __attribute__((unused)))
{
launch_data_t resp, msg;
bool is_csh = false;
- const char *k;
- void print_launchd_env(launch_data_t obj, const char *key, void *context __attribute__((unused))) {
- if (is_csh)
- fprintf(stdout, "setenv %s %s;\n", key, launch_data_get_string(obj));
- else
- fprintf(stdout, "%s=%s; export %s;\n", key, launch_data_get_string(obj), key);
- }
- void print_key_value(launch_data_t obj, const char *key, void *context __attribute__((unused))) {
- if (!strcmp(key, k))
- fprintf(stdout, "%s\n", launch_data_get_string(obj));
- }
+ char *k;
if (!strcmp(argv[0], "export")) {
char *s = getenv("SHELL");
launch_data_free(msg);
if (resp) {
- launch_data_dict_iterate(resp, (!strcmp(argv[0], "export")) ? print_launchd_env : print_key_value, 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);
} else {
fprintf(stderr, "launch_msg(\"" LAUNCH_KEY_GETUSERENVIRONMENT "\"): %s\n", strerror(errno));
return 0;
}
-static void unloadjob(launch_data_t job)
+void
+unloadjob(launch_data_t job)
{
launch_data_t resp, tmp, tmps, msg;
int e;
launch_data_free(resp);
}
-static launch_data_t read_plist_file(const char *file, bool editondisk, bool load)
+launch_data_t
+read_plist_file(const char *file, bool editondisk, bool load)
{
CFPropertyListRef plist = CreateMyPropertyListFromFile(file);
launch_data_t r = NULL;
return r;
}
-static void delay_to_second_pass2(launch_data_t o, const char *key, void *context)
+void
+delay_to_second_pass2(launch_data_t o, const char *key, void *context)
{
bool *res = context;
size_t i;
}
}
-static bool delay_to_second_pass(launch_data_t o)
+bool
+delay_to_second_pass(launch_data_t o)
{
bool res = false;
return res;
}
-static void readfile(const char *what, launch_data_t pass1, launch_data_t pass2, bool editondisk, bool load)
+void
+readfile(const char *what, struct load_unload_state *lus)
{
- launch_data_t tmpd, thejob;
+ char ourhostname[1024];
+ launch_data_t tmpd, tmps, thejob, tmpa;
bool job_disabled = false;
+ size_t i, c;
- if (NULL == (thejob = read_plist_file(what, editondisk, load))) {
+ gethostname(ourhostname, sizeof(ourhostname));
+
+ if (NULL == (thejob = read_plist_file(what, lus->editondisk, lus->load))) {
fprintf(stderr, "%s: no plist was returned for: %s\n", getprogname(), what);
return;
}
+ if (is_legacy_mach_job(thejob)) {
+ fprintf(stderr, "%s: Please convert the following to launchd: %s\n", getprogname(), what);
+ launch_data_array_append(lus->pass0, thejob);
+ return;
+ }
+
+ if (NULL == launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LABEL)) {
+ fprintf(stderr, "%s: missing the Label key: %s\n", 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 ((tmpa = launch_data_dict_lookup(thejob, LAUNCH_JOBKEY_LIMITLOADTOSESSIONTYPE))) {
+ const char *allowed_session;
+ bool skipjob = true;
+
+ 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;
+ 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 = launch_data_get_bool(tmpd);
- if (job_disabled && load) {
- launch_data_free(thejob);
- return;
- }
+ if (lus->forceload)
+ job_disabled = false;
+
+ if (job_disabled && lus->load)
+ goto out_bad;
if (delay_to_second_pass(thejob))
- launch_data_array_append(pass2, thejob);
+ launch_data_array_append(lus->pass2, thejob);
else
- launch_data_array_append(pass1, thejob);
+ launch_data_array_append(lus->pass1, thejob);
+
+ if (verbose)
+ fprintf(stdout, "Will load: %s\n", what);
+
+ return;
+out_bad:
+ if (verbose)
+ fprintf(stdout, "Ignored: %s\n", what);
+ launch_data_free(thejob);
+}
+
+bool
+path_goodness_check(const char *path, bool forceload)
+{
+ struct stat sb;
+
+ if (stat(path, &sb) == -1) {
+ fprintf(stderr, "%s: Couldn't stat(\"%s\"): %s\n", getprogname(), path, strerror(errno));
+ return false;
+ }
+
+ if (forceload)
+ return true;
+
+ if (sb.st_mode & (S_IWOTH|S_IWGRP)) {
+ fprintf(stderr, "%s: Dubious permissions on file (skipping): %s\n", getprogname(), path);
+ return false;
+ }
+
+ if (sb.st_uid != 0 && sb.st_uid != getuid()) {
+ fprintf(stderr, "%s: Dubious ownership on file (skipping): %s\n", getprogname(), path);
+ return false;
+ }
+
+ if (!(S_ISREG(sb.st_mode) || S_ISDIR(sb.st_mode))) {
+ fprintf(stderr, "%s: Dubious path. Not a regular file or directory (skipping): %s\n", getprogname(), path);
+ return false;
+ }
+
+ return true;
}
-static void readpath(const char *what, launch_data_t pass1, launch_data_t pass2, bool editondisk, bool load)
+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) && !(sb.st_mode & S_IWOTH)) {
- readfile(what, pass1, pass2, editondisk, load);
- } else {
+ if (S_ISREG(sb.st_mode)) {
+ readfile(what, lus);
+ } else if (S_ISDIR(sb.st_mode)) {
if ((d = opendir(what)) == NULL) {
fprintf(stderr, "%s: opendir() failed to open the directory\n", getprogname());
return;
continue;
snprintf(buf, sizeof(buf), "%s/%s", what, de->d_name);
- readfile(buf, pass1, pass2, editondisk, load);
+ if (!path_goodness_check(buf, lus->forceload))
+ continue;
+
+ readfile(buf, lus);
}
closedir(d);
}
launch_data_t newsockdict;
};
-static void distill_config_file(launch_data_t id_plist)
+void
+distill_jobs(launch_data_t jobs)
+{
+ size_t i, c = launch_data_array_get_count(jobs);
+
+ for (i = 0; i < c; i++)
+ distill_config_file(launch_data_array_get_index(jobs, i));
+}
+
+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(id_plist, LAUNCH_JOBKEY_SOCKETS))) {
+ 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);
}
}
-static void sock_dict_cb(launch_data_t what, const char *key, void *context)
+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);
}
}
-static void sock_dict_edit_entry(launch_data_t tmp, const char *key, launch_data_t fdarray, launch_data_t thejob)
+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;
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));
if ((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, 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, SOMAXCONN) == -1) {
close(sfd);
launch_data_array_append(fdarray, val);
} else {
launch_data_t rnames = NULL;
- const char *node = NULL, *serv = NULL;
+ const char *node = NULL, *serv = NULL, *mgroup = NULL;
char servnbuf[50];
struct addrinfo hints, *res0, *res;
int gerr, sock_opt = 1;
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));
fprintf(stderr, "setsockopt(IPV6_V6ONLY): %m");
return;
}
- if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void *)&sock_opt, sizeof(sock_opt)) == -1) {
- fprintf(stderr, "socket(): %s\n", strerror(errno));
- return;
+ if (mgroup) {
+ if (setsockopt(sfd, SOL_SOCKET, SO_REUSEPORT, (void *)&sock_opt, sizeof(sock_opt)) == -1) {
+ fprintf(stderr, "setsockopt(SO_REUSEPORT): %s\n", strerror(errno));
+ return;
+ }
+ } else {
+ if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void *)&sock_opt, sizeof(sock_opt)) == -1) {
+ fprintf(stderr, "setsockopt(SO_REUSEADDR): %s\n", strerror(errno));
+ return;
+ }
}
if (bind(sfd, res->ai_addr, res->ai_addrlen) == -1) {
fprintf(stderr, "bind(): %s\n", 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, SOMAXCONN) == -1) {
fprintf(stderr, "listen(): %s\n", strerror(errno));
}
}
-static launch_data_t do_rendezvous_magic(const struct addrinfo *res, const char *serv)
+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) {
+ fprintf(stderr, "getaddrinfo(): %s\n", 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, sizeof(mreq)) == -1) {
+ fprintf(stderr, "setsockopt(IP_ADD_MEMBERSHIP): %s\n", 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, sizeof(m6req)) == -1) {
+ fprintf(stderr, "setsockopt(IPV6_JOIN_GROUP): %s\n", strerror(errno));
+ continue;
+ }
+ break;
+ } else {
+ fprintf(stderr, "unknown family during multicast group bind!\n");
+ break;
+ }
+ }
+
+ freeaddrinfo(res0);
+}
+
+
+launch_data_t
+do_rendezvous_magic(const struct addrinfo *res, const char *serv)
{
struct stat sb;
DNSServiceRef service;
return NULL;
}
-static CFPropertyListRef CreateMyPropertyListFromFile(const char *posixfile)
+CFPropertyListRef
+CreateMyPropertyListFromFile(const char *posixfile)
{
CFPropertyListRef propertyList;
CFStringRef errorString;
SInt32 errorCode;
CFURLRef fileURL;
- fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, posixfile, strlen(posixfile), false);
+ fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, (const UInt8 *)posixfile, strlen(posixfile), false);
if (!fileURL)
fprintf(stderr, "%s: CFURLCreateFromFileSystemRepresentation(%s) failed\n", getprogname(), posixfile);
if (!CFURLCreateDataAndPropertiesFromResource(kCFAllocatorDefault, fileURL, &resourceData, NULL, NULL, &errorCode))
return propertyList;
}
-static void WriteMyPropertyListToFile(CFPropertyListRef plist, const char *posixfile)
+void
+WriteMyPropertyListToFile(CFPropertyListRef plist, const char *posixfile)
{
CFDataRef resourceData;
CFURLRef fileURL;
SInt32 errorCode;
- fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, posixfile, strlen(posixfile), false);
+ fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, (const UInt8 *)posixfile, strlen(posixfile), false);
if (!fileURL)
fprintf(stderr, "%s: CFURLCreateFromFileSystemRepresentation(%s) failed\n", getprogname(), posixfile);
resourceData = CFPropertyListCreateXMLData(kCFAllocatorDefault, plist);
fprintf(stderr, "%s: CFURLWriteDataAndPropertiesToResource(%s) failed: %d\n", getprogname(), posixfile, (int)errorCode);
}
-void myCFDictionaryApplyFunction(const void *key, const void *value, void *context)
+void
+myCFDictionaryApplyFunction(const void *key, const void *value, void *context)
{
launch_data_t ik, iw, where = context;
launch_data_free(ik);
}
-static launch_data_t CF2launch_data(CFTypeRef cfr)
+launch_data_t
+CF2launch_data(CFTypeRef cfr)
{
launch_data_t r;
CFTypeID cft = CFGetTypeID(cfr);
return r;
}
-static int help_cmd(int argc, char *const argv[])
+int
+help_cmd(int argc, char *const argv[])
{
FILE *where = stdout;
int l, cmdwidth = 0;
where = stderr;
fprintf(where, "usage: %s <subcommand>\n", 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++)
fprintf(where, "\t%-*s\t%s\n", cmdwidth, cmds[i].name, cmds[i].desc);
return 0;
}
-static int _fd(int fd)
+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;
}
-static int load_and_unload_cmd(int argc, char *const argv[])
+int
+bootstrap_cmd(int argc __attribute__((unused)), char *const argv[] __attribute__((unused)))
{
- launch_data_t pass1, pass2;
- int i, ch;
- bool wflag = false;
- bool lflag = false;
+ int memmib[] = { CTL_HW, HW_MEMSIZE };
+ int mvnmib[] = { CTL_KERN, KERN_MAXVNODES };
+ int hnmib[] = { CTL_KERN, KERN_HOSTNAME };
+ uint64_t mem = 0;
+ uint32_t mvn;
+ size_t memsz = sizeof(mem);
+ struct group *tfp_gr;
+
+ if (assumes((tfp_gr = getgrnam("procview")) != NULL)) {
+ int tfp_r_mib[3] = { CTL_KERN, KERN_TFP, KERN_TFP_READ_GROUP };
+ gid_t tfp_r_gid = tfp_gr->gr_gid;
+ assumes(sysctl(tfp_r_mib, 3, NULL, NULL, &tfp_r_gid, sizeof(tfp_r_gid)) != -1);
+ }
+
+ if (assumes((tfp_gr = getgrnam("procmod")) != NULL)) {
+ int tfp_rw_mib[3] = { CTL_KERN, KERN_TFP, KERN_TFP_RW_GROUP };
+ gid_t tfp_rw_gid = tfp_gr->gr_gid;
+ assumes(sysctl(tfp_rw_mib, 3, NULL, NULL, &tfp_rw_gid, sizeof(tfp_rw_gid)) != -1);
+ }
+
+ if (assumes(sysctl(memmib, 2, &mem, &memsz, NULL, 0) != -1)) {
+ mvn = mem / (64 * 1024) + 1024;
+ assumes(sysctl(mvnmib, 2, NULL, NULL, &mvn, sizeof(mvn)) != -1);
+ }
+ assumes(sysctl(hnmib, 2, NULL, NULL, "localhost", sizeof("localhost")) != -1);
+
+ loopback_setup_ipv4();
+ loopback_setup_ipv6();
+
+ apply_sysctls_from_file("/etc/sysctl-macosxserver.conf");
+ apply_sysctls_from_file("/etc/sysctl.conf");
+
+ if (path_check("/System/Installation") && path_check("/etc/rc.cdrom")) {
+ const char *rccdrom_tool[] = { _PATH_BSHELL, "/etc/rc.cdrom", "multiuser", NULL };
+ assumes(fwexec(rccdrom_tool, true) != -1);
+ assumes(reboot(RB_HALT) != -1);
+ _exit(EXIT_FAILURE);
+ } else if (is_netboot()) {
+ const char *rcnetboot_tool[] = { _PATH_BSHELL, "/etc/rc.netboot", "init", NULL };
+ if (!assumes(fwexec(rcnetboot_tool, true) != -1)) {
+ assumes(reboot(RB_HALT) != -1);
+ _exit(EXIT_FAILURE);
+ }
+ } else {
+ do_potential_fsck();
+ }
+
+ if (path_check("/var/account/acct")) {
+ assumes(acct("/var/account/acct") != -1);
+ }
+
+ if (path_check("/etc/fstab")) {
+ const char *mount_tool[] = { "mount", "-vat", "nonfs", NULL };
+ assumes(fwexec(mount_tool, true) != -1);
+ }
+
+ if (path_check("/etc/rc.installer_cleanup")) {
+ const char *rccleanup_tool[] = { _PATH_BSHELL, "/etc/rc.installer_cleanup", "multiuser", NULL };
+ assumes(fwexec(rccleanup_tool, true) != -1);
+ }
+
+ apply_func_to_dir(_PATH_VARRUN, empty_dir);
+ apply_func_to_dir(_PATH_TMP, empty_dir);
+ remove(_PATH_NOLOGIN);
+
+ // XXX --> RMRF_ITEMS="/var/tmp/folders.*
+
+ // 775 www:www /var/run/davlocks 4489695
+ // 775 root:daemon /var/run/StartupItems
+
+ assumes(touch_file(_PATH_UTMP, DEFFILEMODE) != -1);
+ assumes(touch_file(_PATH_UTMPX, DEFFILEMODE) != -1);
+ assumes(touch_file(_PATH_VARRUN "/.systemStarterRunning", DEFFILEMODE) != -1);
+
+ if (!path_check("/var/db/netinfo/local.nidb.migrated") && !path_check("/var/db/netinfo/local.nidb")) {
+ const char *create_nidb_tool[] = { "/usr/libexec/create_nidb", NULL };
+
+ fprintf(stderr, "NetInfo database missing. Creating...\n");
+
+ mkdir("/var/db/netinfo", ACCESSPERMS);
+ remove("/var/db/.AppleSetupDone");
+ assumes(fwexec(create_nidb_tool, true) != -1);
+ }
+
+ if (path_check("/etc/security/rc.audit")) {
+ const char *audit_tool[] = { _PATH_BSHELL, "/etc/security/rc.audit", NULL };
+ assumes(fwexec(audit_tool, true) != -1);
+ }
+
+ if (path_check("/Library/Preferences/com.apple.sharing.firewall.plist")) {
+ const char *fw_tool[] = { "/usr/libexec/FirewallTool", NULL };
+ assumes(fwexec(fw_tool, true) != -1);
+ }
+
+ const char *bcc_tool[] = { "BootCacheControl", "start", NULL };
+ assumes(fwexec(bcc_tool, true) != -1);
+
+ char *load_launchd_items[] = { "load", "-D", "all", "/etc/mach_init.d", NULL };
+ if (is_safeboot())
+ load_launchd_items[2] = "system";
+ assumes(load_and_unload_cmd(4, load_launchd_items) == 0);
+
+ const char *bcc_tag_tool[] = { "BootCacheControl", "tag", NULL };
+ assumes(fwexec(bcc_tag_tool, true) != -1);
+
+ const char *SystemStarter_tool[] = { "SystemStarter", NULL };
+ assumes(fwexec(SystemStarter_tool, false) != -1);
+
+ workaround4465949();
+
+ if (path_check("/etc/rc.local")) {
+ const char *rc_local_tool[] = { _PATH_BSHELL, "/etc/rc.local", NULL };
+ assumes(fwexec(rc_local_tool, false) != -1);
+ }
+
+ return 0;
+}
+
+void
+workaround4465949(void)
+{
+ const char *pbs_tool[] = { "/System/Library/CoreServices/pbs", NULL };
+ const char *lca_tool[] = { "/System/Library/CoreServices/Language Chooser.app/Contents/MacOS/Language Chooser", NULL};
+ char *const reloadttys_argv[] = { "reloadttys", NULL };
+ int wstatus;
+ pid_t pbs_p;
+
+ if (path_check("/System/Library/LaunchDaemons/com.apple.loginwindow.plist")) {
+ return;
+ }
+
+ if (path_check(pbs_tool[0]) && path_check(lca_tool[0]) &&
+ !path_check("/var/db/.AppleSetupDone") &&
+ path_check("/var/db/.RunLanguageChooserToo")) {
+ if (assumes((pbs_p = fwexec(pbs_tool, false)) != -1)) {
+ assumes(fwexec(lca_tool, true) != -1);
+ assumes(kill(pbs_p, SIGTERM) != -1);
+ assumes(waitpid(pbs_p, &wstatus, 0) != -1);
+ }
+ }
+
+ assumes(fyi_cmd(1, reloadttys_argv) == 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"))
- lflag = true;
+ lus.load = true;
- while ((ch = getopt(argc, argv, "w")) != -1) {
+ while ((ch = getopt(argc, argv, "wFS:D:")) != -1) {
switch (ch) {
case 'w':
- wflag = true;
+ 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:
- fprintf(stderr, "usage: %s load [-w] paths...\n", getprogname());
- return 1;
+ badopts = true;
+ break;
}
}
argc -= optind;
argv += optind;
- if (argc == 0) {
- fprintf(stderr, "usage: %s load [-w] paths...\n", getprogname());
+ if (lus.session_type == NULL)
+ es &= ~NSUserDomainMask;
+
+ if (argc == 0 && es == 0)
+ badopts = true;
+
+ if (badopts) {
+ fprintf(stderr, "usage: %s load [-wF] [-D <user|local|network|system|all>] paths...\n", getprogname());
return 1;
}
- /* I wish I didn't need to do two passes, but I need to load mDNSResponder and use it too.
+ /* I wish I didn't need to do three passes, but I need to load mDNSResponder and use it too.
+ * And loading legacy mach init jobs is extra fun.
*
* In later versions of launchd, I hope to load everything in the first pass,
* then do the Bonjour magic on the jobs that need it, and reload them, but for now,
* launchd doesn't have reload support right now.
*/
- pass1 = launch_data_alloc(LAUNCH_DATA_ARRAY);
- pass2 = launch_data_alloc(LAUNCH_DATA_ARRAY);
+ lus.pass0 = launch_data_alloc(LAUNCH_DATA_ARRAY);
+ lus.pass1 = launch_data_alloc(LAUNCH_DATA_ARRAY);
+ lus.pass2 = launch_data_alloc(LAUNCH_DATA_ARRAY);
+
+ es = NSStartSearchPathEnumeration(NSLibraryDirectory, es);
+
+ while ((es = NSGetNextSearchPathEnumeration(es, nspath))) {
+ glob_t g;
- for (i = 0; i < argc; i++)
- readpath(argv[i], pass1, pass2, wflag, lflag);
+ 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 (0 == launch_data_array_get_count(pass1) && 0 == launch_data_array_get_count(pass2)) {
- fprintf(stderr, "nothing found to %s\n", lflag ? "load" : "unload");
- launch_data_free(pass1);
- launch_data_free(pass2);
+ if (launch_data_array_get_count(lus.pass0) == 0 &&
+ launch_data_array_get_count(lus.pass1) == 0 &&
+ launch_data_array_get_count(lus.pass2) == 0) {
+ fprintf(stderr, "nothing found to %s\n", lus.load ? "load" : "unload");
+ launch_data_free(lus.pass0);
+ launch_data_free(lus.pass1);
+ launch_data_free(lus.pass2);
return 1;
}
- if (lflag) {
- if (0 < launch_data_array_get_count(pass1)) {
- submit_job_pass(pass1);
- }
- if (0 < launch_data_array_get_count(pass2)) {
- submit_job_pass(pass2);
- }
+ if (lus.load) {
+ distill_jobs(lus.pass1);
+ submit_mach_jobs(lus.pass0);
+ submit_job_pass(lus.pass1);
+ let_go_of_mach_jobs(lus.pass0);
+ distill_jobs(lus.pass2);
+ submit_job_pass(lus.pass2);
} else {
- for (i = 0; i < (int)launch_data_array_get_count(pass1); i++)
- unloadjob(launch_data_array_get_index(pass1, i));
- for (i = 0; i < (int)launch_data_array_get_count(pass2); i++)
- unloadjob(launch_data_array_get_index(pass2, i));
+ for (i = 0; i < launch_data_array_get_count(lus.pass1); i++)
+ unloadjob(launch_data_array_get_index(lus.pass1, i));
+ for (i = 0; i < launch_data_array_get_count(lus.pass2); i++)
+ unloadjob(launch_data_array_get_index(lus.pass2, i));
}
return 0;
}
-static void submit_job_pass(launch_data_t jobs)
+void
+submit_mach_jobs(launch_data_t jobs)
+{
+ size_t i, c;
+
+ c = launch_data_array_get_count(jobs);
+
+ for (i = 0; i < c; i++) {
+ launch_data_t tmp, oai = launch_data_array_get_index(jobs, i);
+ const char *sn = NULL, *cmd = NULL;
+ bool d = true;
+ mach_port_t msr, msv;
+ kern_return_t kr;
+ uid_t u = getuid();
+
+ if ((tmp = launch_data_dict_lookup(oai, MACHINIT_JOBKEY_ONDEMAND)))
+ d = launch_data_get_bool(tmp);
+ if ((tmp = launch_data_dict_lookup(oai, MACHINIT_JOBKEY_SERVICENAME)))
+ sn = launch_data_get_string(tmp);
+ if ((tmp = launch_data_dict_lookup(oai, MACHINIT_JOBKEY_COMMAND)))
+ cmd = launch_data_get_string(tmp);
+
+ if ((kr = bootstrap_create_server(bootstrap_port, (char *)cmd, u, d, &msr)) != KERN_SUCCESS) {
+ fprintf(stderr, "%s: bootstrap_create_server(): %d\n", getprogname(), kr);
+ continue;
+ }
+ if ((kr = bootstrap_create_service(msr, (char*)sn, &msv)) != KERN_SUCCESS) {
+ fprintf(stderr, "%s: bootstrap_create_service(): %d\n", getprogname(), kr);
+ mach_port_destroy(mach_task_self(), msr);
+ continue;
+ }
+ launch_data_dict_insert(oai, launch_data_new_machport(msr), MACHINIT_JOBKEY_SERVERPORT);
+ launch_data_dict_insert(oai, launch_data_new_machport(msv), MACHINIT_JOBKEY_SERVICEPORT);
+ }
+}
+
+void
+let_go_of_mach_jobs(launch_data_t jobs)
+{
+ size_t i, c = launch_data_array_get_count(jobs);
+
+ for (i = 0; i < c; i++) {
+ launch_data_t tmp, oai = launch_data_array_get_index(jobs, i);
+ if ((tmp = launch_data_dict_lookup(oai, MACHINIT_JOBKEY_SERVICEPORT))) {
+ mach_port_destroy(mach_task_self(), launch_data_get_machport(tmp));
+ } else {
+ fprintf(stderr, "%s: ack! missing service port!\n", getprogname());
+ }
+ if ((tmp = launch_data_dict_lookup(oai, MACHINIT_JOBKEY_SERVERPORT))) {
+ mach_port_destroy(mach_task_self(), launch_data_get_machport(tmp));
+ } else {
+ fprintf(stderr, "%s: ack! missing server port!\n", getprogname());
+ }
+ }
+}
+
+void
+submit_job_pass(launch_data_t jobs)
{
launch_data_t msg, resp;
size_t i;
int e;
- for (i = 0; i < launch_data_array_get_count(jobs); i++)
- distill_config_file(launch_data_array_get_index(jobs, i));
+ if (launch_data_array_get_count(jobs) == 0)
+ return;
msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
launch_data_free(msg);
}
-static int start_and_stop_cmd(int argc, char *const argv[])
+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 (!strcmp(argv[0], "start"))
+ if (0 == strcmp(argv[0], "start"))
lmsgcmd = LAUNCH_KEY_STARTJOB;
+ if (0 == strcmp(argv[0], "remove"))
+ lmsgcmd = LAUNCH_KEY_REMOVEJOB;
+
if (argc != 2) {
fprintf(stderr, "usage: %s %s <job label>\n", getprogname(), argv[0]);
return 1;
return r;
}
-static void print_jobs(launch_data_t j __attribute__((unused)), const char *label, void *context __attribute__((unused)))
+void
+print_jobs(launch_data_t j)
{
+ 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);
+ launch_data_t sjobs = launch_data_dict_lookup(j, LAUNCH_JOBKEY_SUBJOBS);
+ const char *label = launch_data_get_string(lo);
+ size_t i, c;
+
+ if (pido) {
+ fprintf(stdout, "%lld\t-\t", launch_data_get_integer(pido));
+ } else if (stato) {
+ int wstatus = (int)launch_data_get_integer(stato);
+ if (WIFEXITED(wstatus)) {
+ fprintf(stdout, "-\t%d\t", WEXITSTATUS(wstatus));
+ } else if (WIFSIGNALED(wstatus)) {
+ fprintf(stdout, "-\t-%d\t", WTERMSIG(wstatus));
+ } else {
+ fprintf(stdout, "-\t???\t");
+ }
+ } else {
+ fprintf(stdout, "-\t-\t");
+ }
+ for (i = 0; i < depth; i++)
+ fprintf(stdout, "\t");
+
fprintf(stdout, "%s\n", label);
+
+ if (sjobs) {
+ launch_data_t oai;
+
+ c = launch_data_array_get_count(sjobs);
+
+ depth++;
+ for (i = 0; i < c; i++) {
+ oai = launch_data_array_get_index(sjobs, i);
+ print_jobs(oai);
+ }
+ depth--;
+ }
}
-static int list_cmd(int argc, char *const argv[])
+void
+print_obj(launch_data_t obj, const char *key, void *context __attribute__((unused)))
{
- launch_data_t resp, msg;
- int ch, r = 0;
- bool vflag = false;
+ static size_t indent = 0;
+ size_t i, c;
- while ((ch = getopt(argc, argv, "v")) != -1) {
- switch (ch) {
- case 'v':
- vflag = true;
- break;
- default:
- fprintf(stderr, "usage: %s list [-v]\n", getprogname());
- return 1;
- }
+ 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[])
+{
+ launch_data_t resp, msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
+ int r = 0;
- if (vflag) {
- fprintf(stderr, "usage: %s list: \"-v\" flag not implemented yet\n", getprogname());
+ if (argc > 2) {
+ fprintf(stderr, "usage: %s list [label]\n", getprogname());
return 1;
+ } else if (argc == 2) {
+ launch_data_dict_insert(msg, launch_data_new_string(argv[1]), LAUNCH_KEY_GETJOB);
+ } else {
+ launch_data_dict_insert(msg, launch_data_new_string(""), LAUNCH_KEY_GETJOB);
}
- msg = launch_data_new_string(LAUNCH_KEY_GETJOBS);
resp = launch_msg(msg);
launch_data_free(msg);
fprintf(stderr, "launch_msg(): %s\n", strerror(errno));
return 1;
} else if (launch_data_get_type(resp) == LAUNCH_DATA_DICTIONARY) {
- launch_data_dict_iterate(resp, print_jobs, NULL);
+ if (argc == 1) {
+ fprintf(stdout, "PID\tStatus\tLabel\n");
+ print_jobs(resp);
+ } else {
+ print_obj(resp, NULL, NULL);
+ }
} else {
fprintf(stderr, "%s %s returned unknown response\n", getprogname(), argv[0]);
r = 1;
return r;
}
-static int stdio_cmd(int argc, char *const argv[])
+int
+stdio_cmd(int argc, char *const argv[])
{
launch_data_t resp, msg, tmp;
int e, fd = -1, r = 0;
return 1;
}
- fd = open(argv[1], O_CREAT|O_APPEND|O_WRONLY, DEFFILEMODE);
+ fd = open(argv[1], O_CREAT|O_APPEND|O_WRONLY|O_NOCTTY, DEFFILEMODE);
msg = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
return r;
}
-static int fyi_cmd(int argc, char *const argv[])
+int
+fyi_cmd(int argc, char *const argv[])
{
launch_data_t resp, msg;
const char *lmsgk = LAUNCH_KEY_RELOADTTYS;
return 1;
}
- if (!strcmp(argv[0], "shutdown"))
+ if (!strcmp(argv[0], "shutdown")) {
lmsgk = LAUNCH_KEY_SHUTDOWN;
+ } else if (!strcmp(argv[0], "singleuser")) {
+ lmsgk = LAUNCH_KEY_SINGLEUSER;
+ }
msg = launch_data_new_string(lmsgk);
resp = launch_msg(msg);
return r;
}
-static int logupdate_cmd(int argc, char *const argv[])
+int
+logupdate_cmd(int argc, char *const argv[])
{
launch_data_t resp, msg;
int e, i, j, r = 0, m = 0;
return r;
}
-static int limit_cmd(int argc __attribute__((unused)), char *const argv[])
+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 __attribute__((unused)), 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, which = 0;
+ size_t i, lsz = -1;
+ ssize_t which = 0;
rlim_t slim = -1, hlim = -1;
bool badargs = false;
- 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 }
- };
- size_t limlookupcnt = sizeof limlookup / sizeof limlookup[0];
- bool name2num(const char *n) {
- for (i = 0; i < limlookupcnt; i++) {
- if (!strcmp(limlookup[i].name, n)) {
- which = limlookup[i].lim;
- return false;
- }
- }
- return true;
- };
- const char *num2name(int n) {
- 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;
- };
if (argc > 4)
badargs = true;
if (argc == 4 && str2lim(argv[3], &hlim))
badargs = true;
- if (argc >= 2 && name2num(argv[1]))
+ if (argc >= 2 && -1 == (which = name2num(argv[1])))
badargs = true;
if (badargs) {
lsz = launch_data_get_opaque_size(resp);
if (argc <= 2) {
for (i = 0; i < (lsz / sizeof(struct rlimit)); i++) {
- if (argc == 2 && which != i)
+ if (argc == 2 && (size_t)which != i)
continue;
fprintf(stdout, "\t%-12s%-15s%-15s\n", num2name(i),
lim2str(lmts[i].rlim_cur, slimstr),
return r;
}
-static int umask_cmd(int argc, char *const argv[])
+int
+umask_cmd(int argc, char *const argv[])
{
launch_data_t resp, msg;
bool badargs = false;
return r;
}
-static int getrusage_cmd(int argc, char *const argv[])
+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:
+ fprintf(stderr, "usage: %s submit ...\n", 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) {
+ fprintf(stderr, "launch_msg(): %s\n", strerror(errno));
+ return 1;
+ } else if (launch_data_get_type(resp) == LAUNCH_DATA_ERRNO) {
+ errno = launch_data_get_errno(resp);
+ if (errno) {
+ fprintf(stderr, "%s %s error: %s\n", getprogname(), argv[0], strerror(errno));
+ r = 1;
+ }
+ } else {
+ fprintf(stderr, "%s %s error: %s\n", 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;
return r;
}
-static bool launch_data_array_append(launch_data_t a, launch_data_t o)
+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) {
+ fprintf(stderr, "Permission denied\n");
+ return 1;
+ } else if (result != BOOTSTRAP_SUCCESS) {
+ fprintf(stderr, "bootstrap_parent() %d\n", result);
+ return 1;
+ }
+ } while (getrootbs && last_bport != bport);
+ } else {
+ int pid = atoi(s);
+
+ result = task_for_pid(mach_task_self(), pid, &task);
+
+ if (result != KERN_SUCCESS) {
+ fprintf(stderr, "task_for_pid() %s\n", mach_error_string(result));
+ return 1;
+ }
+
+ result = task_get_bootstrap_port(task, &bport);
+
+ if (result != KERN_SUCCESS) {
+ fprintf(stderr, "Couldn't get bootstrap port: %s\n", 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) {
+ fprintf(stderr, "usage: %s bsexec <PID> prog...\n", getprogname());
+ return 1;
+ }
+
+ bport = str2bsport(argv[1]);
+
+ result = task_set_bootstrap_port(mach_task_self(), bport);
+
+ if (result != KERN_SUCCESS) {
+ fprintf(stderr, "Couldn't switch to new bootstrap port: %s\n", mach_error_string(result));
+ return 1;
+ }
+
+ setgid(getgid());
+ setuid(getuid());
+
+ execvp(argv[2], argv + 2);
+ fprintf(stderr, "execvp(): %s\n", strerror(errno));
+ return 1;
+}
+
+int
+bslist_cmd(int argc, char *const argv[])
+{
+ kern_return_t result;
+ mach_port_t bport = bootstrap_port;
+ name_array_t service_names;
+ mach_msg_type_number_t service_cnt, service_active_cnt;
+ bootstrap_status_array_t service_actives;
+ unsigned int i;
+
+ if (argc == 2)
+ bport = str2bsport(argv[1]);
+
+ if (bport == MACH_PORT_NULL) {
+ fprintf(stderr, "Invalid bootstrap port\n");
+ return 1;
+ }
+
+ result = bootstrap_info(bport, &service_names, &service_cnt, &service_actives, &service_active_cnt);
+ if (result != BOOTSTRAP_SUCCESS) {
+ fprintf(stderr, "bootstrap_info(): %d\n", 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++)
+ fprintf(stdout, "%-3s%s\n", bport_state((service_actives[i])), service_names[i]);
+
+ return 0;
+}
+
+bool
+is_legacy_mach_job(launch_data_t obj)
+{
+ bool has_servicename = launch_data_dict_lookup(obj, MACHINIT_JOBKEY_SERVICENAME);
+ bool has_command = launch_data_dict_lookup(obj, MACHINIT_JOBKEY_COMMAND);
+ bool has_label = launch_data_dict_lookup(obj, LAUNCH_JOBKEY_LABEL);
+
+ return has_command && has_servicename && !has_label;
+}
+
+void
+_log_launchctl_bug(const char *rcs_rev, const char *path, unsigned int line, const char *test)
+{
+ int saved_errno = errno;
+ char buf[100];
+ const char *file = strrchr(path, '/');
+ char *rcs_rev_tmp = strchr(rcs_rev, ' ');
+
+ if (!file) {
+ file = path;
+ } else {
+ file += 1;
+ }
+
+ if (!rcs_rev_tmp) {
+ strlcpy(buf, rcs_rev, sizeof(buf));
+ } else {
+ strlcpy(buf, rcs_rev_tmp + 1, sizeof(buf));
+ rcs_rev_tmp = strchr(buf, ' ');
+ if (rcs_rev_tmp)
+ *rcs_rev_tmp = '\0';
+ }
+
+ fprintf(stderr, "Bug: %s:%u (%s):%u: %s\n", file, line, buf, saved_errno, test);
+}
+
+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 (assumes(ioctl(s, SIOCGIFFLAGS, &ifr) != -1)) {
+ ifr.ifr_flags |= IFF_UP;
+ assumes(ioctl(s, SIOCSIFFLAGS, &ifr) != -1);
+ }
+
+ 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);
+
+ assumes(ioctl(s, SIOCAIFADDR, &ifra) != -1);
+
+ assumes(close(s) == 0);
+}
+
+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 (assumes(ioctl(s6, SIOCGIFFLAGS, &ifr) != -1)) {
+ ifr.ifr_flags |= IFF_UP;
+ assumes(ioctl(s6, SIOCSIFFLAGS, &ifr) != -1);
+ }
+
+ 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;
+
+ assumes(ioctl(s6, SIOCAIFADDR_IN6, &ifra6) != -1);
+
+ assumes(close(s6) == 0);
+}
+
+pid_t
+fwexec(const char *const *argv, bool _wait)
+{
+ int wstatus;
+ pid_t p;
+
+ switch ((p = fork())) {
+ case -1:
+ break;
+ case 0:
+ setsid();
+ execvp(argv[0], (char *const *)argv);
+ _exit(EXIT_FAILURE);
+ break;
+ default:
+ if (!_wait)
+ return p;
+ if (p == waitpid(p, &wstatus, 0)) {
+ if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) == EXIT_SUCCESS)
+ return p;
+ }
+ break;
+ }
+
+ return -1;
+}
+
+void
+do_potential_fsck(void)
+{
+ const char *safe_fsck_tool[] = { "fsck", "-fy", NULL };
+ const char *fsck_tool[] = { "fsck", "-p", NULL };
+ const char *remount_tool[] = { "mount", "-uw", "/", NULL };
+ struct statfs sfs;
+
+ if (assumes(statfs("/", &sfs) != -1)) {
+ if (!(sfs.f_flags & MNT_RDONLY)) {
+ fprintf(stdout, "Root file system is read-write, skipping fsck.\n");
+ return;
+ }
+ }
+
+ if (!is_safeboot()) {
+ if (fwexec(fsck_tool, true) != -1)
+ goto out;
+ }
+
+ if (fwexec(safe_fsck_tool, true) != -1) {
+ goto out;
+ }
+
+ fprintf(stderr, "fsck failed! Leaving the root file system read-only...\n");
+
+ return;
+out:
+ assumes(fwexec(remount_tool, true) != -1);
+}
+
+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 (!assumes(sysctl(sbmib, 2, &sb, &sbsz, NULL, 0) == 0))
+ 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 (!assumes(sysctl(nbmib, 2, &nb, &nbsz, NULL, 0) == 0))
+ return false;
+
+ return (bool)nb;
+}
+
+void
+apply_func_to_dir(const char *thedir, void (*thefunc)(const char *))
+{
+ struct dirent *de;
+ DIR *od;
+ int currend_dir_fd;
+
+ if (!assumes((currend_dir_fd = open(".", 0)) != -1))
+ return;
+
+ if (!assumes(chdir(thedir) != -1))
+ goto out;
+
+ if (!assumes(od = opendir(".")))
+ goto out;
+
+ while ((de = readdir(od))) {
+ struct stat sb;
+
+ if (strcmp(de->d_name, ".") == 0)
+ continue;
+ if (strcmp(de->d_name, "..") == 0)
+ continue;
+
+ if (assumes(stat(de->d_name, &sb) != -1)) {
+ if (S_ISDIR(sb.st_mode))
+ apply_func_to_dir(de->d_name, thefunc);
+ thefunc(de->d_name);
+ }
+ }
+
+ assumes(closedir(od) != -1);
+
+out:
+ assumes(fchdir(currend_dir_fd) != -1);
+ assumes(close(currend_dir_fd) != -1);
+}
+
+void
+empty_dir(const char *path)
+{
+ assumes(chflags(path, 0) != -1);
+ assumes(remove(path) != -1);
+}
+
+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 (!assumes((tmpstr = malloc(ln_len + 1)) != NULL))
+ continue;
+ memcpy(tmpstr, val, ln_len);
+ tmpstr[ln_len] = 0;
+ val = tmpstr;
+
+ while (*val && isspace(*val))
+ val++;
+ if (*val == '\0' || *val == '#')
+ goto skip_sysctl_tool;
+ sysctl_tool[2] = val;
+ assumes(fwexec(sysctl_tool, true) != -1);
+skip_sysctl_tool:
+ free(tmpstr);
+ }
+
+ assumes(fclose(sf) == 0);
+}
+
+void
+do_sysversion_sysctl(void)
+{
+ int mib[] = { CTL_KERN, KERN_OSVERSION };
+ CFDictionaryRef versdict;
+ CFStringRef buildvers;
+ char buf[1024];
+ size_t bufsz = sizeof(buf);
+
+ /* <rdar://problem/4477682> ER: launchd should set kern.osversion very early in boot */
+
+ if (getuid() != 0)
+ return;
+
+ if (sysctl(mib, 2, buf, &bufsz, NULL, 0) == -1) {
+ fprintf(stderr, "sysctl(): %s\n", strerror(errno));
+ return;
+ }
+
+ if (buf[0] != '\0')
+ return;
+
+ versdict = _CFCopySystemVersionDictionary();
+ buildvers = CFDictionaryGetValue(versdict, _kCFSystemVersionBuildVersionKey);
+ CFStringGetCString(buildvers, buf, sizeof(buf), kCFStringEncodingUTF8);
+
+ if (sysctl(mib, 2, NULL, 0, buf, strlen(buf) + 1) == -1) {
+ fprintf(stderr, "sysctl(): %s\n", strerror(errno));
+ }
+
+ CFRelease(versdict);
+}