- if (LAUNCH_DATA_DICTIONARY == launch_data_get_type(msg)) {
- launch_data_dict_iterate(msg, ipc_readmsg2, &rmc);
- } else if (LAUNCH_DATA_STRING == launch_data_get_type(msg)) {
- ipc_readmsg2(NULL, launch_data_get_string(msg), &rmc);
- } else {
- rmc.resp = launch_data_new_errno(EINVAL);
- }
-
- if (NULL == rmc.resp)
- rmc.resp = launch_data_new_errno(ENOSYS);
-
- launch_data_close_fds(msg);
-
- if (launchd_msg_send(rmc.c->conn, rmc.resp) == -1) {
- if (errno == EAGAIN) {
- kevent_mod(launchd_getfd(rmc.c->conn), EVFILT_WRITE, EV_ADD, 0, 0, &rmc.c->kqconn_callback);
- } else {
- syslog(LOG_DEBUG, "launchd_msg_send() == -1: %m");
- ipc_close(rmc.c);
- }
- }
- launch_data_free(rmc.resp);
-}
-
-static void
-attach_bonjourfds_to_job(launch_data_t o, const char *key, void *context __attribute__((unused)))
-{
- struct jobcb *j = NULL;
-
- TAILQ_FOREACH(j, &jobs, tqe) {
- if (strcmp(j->label, key) == 0)
- break;
- }
-
- if (j == NULL)
- return;
-
- launch_data_dict_insert(j->ldj, launch_data_copy(o), LAUNCH_JOBKEY_BONJOURFDS);
- launch_data_revoke_fds(o);
-}
-
-static void ipc_readmsg2(launch_data_t data, const char *cmd, void *context)
-{
- struct readmsg_context *rmc = context;
- launch_data_t resp = NULL;
- struct jobcb *j;
-
- if (rmc->resp)
- return;
-
- if (!strcmp(cmd, LAUNCH_KEY_STARTJOB)) {
- TAILQ_FOREACH(j, &jobs, tqe) {
- if (!strcmp(j->label, launch_data_get_string(data))) {
- job_start(j);
- resp = launch_data_new_errno(0);
- }
- }
- if (NULL == resp)
- resp = launch_data_new_errno(ESRCH);
- } else if (!strcmp(cmd, LAUNCH_KEY_STOPJOB)) {
- TAILQ_FOREACH(j, &jobs, tqe) {
- if (!strcmp(j->label, launch_data_get_string(data))) {
- job_stop(j);
- resp = launch_data_new_errno(0);
- }
- }
- if (NULL == resp)
- resp = launch_data_new_errno(ESRCH);
- } else if (!strcmp(cmd, LAUNCH_KEY_REMOVEJOB)) {
- TAILQ_FOREACH(j, &jobs, tqe) {
- if (!strcmp(j->label, launch_data_get_string(data))) {
- job_remove(j);
- resp = launch_data_new_errno(0);
- }
- }
- if (NULL == resp)
- resp = launch_data_new_errno(ESRCH);
- } else if (!strcmp(cmd, LAUNCH_KEY_SUBMITJOB)) {
- if (launch_data_get_type(data) == LAUNCH_DATA_ARRAY) {
- launch_data_t tmp;
- size_t i;
-
- resp = launch_data_alloc(LAUNCH_DATA_ARRAY);
- for (i = 0; i < launch_data_array_get_count(data); i++) {
- tmp = load_job(launch_data_array_get_index(data, i));
- launch_data_array_set_index(resp, tmp, i);
- }
- } else {
- resp = load_job(data);
- }
- } else if (!strcmp(cmd, LAUNCH_KEY_WORKAROUNDBONJOUR)) {
- launch_data_dict_iterate(data, attach_bonjourfds_to_job, NULL);
- resp = launch_data_new_errno(0);
- } else if (!strcmp(cmd, LAUNCH_KEY_UNSETUSERENVIRONMENT)) {
- unsetenv(launch_data_get_string(data));
- resp = launch_data_new_errno(0);
- } else if (!strcmp(cmd, LAUNCH_KEY_GETUSERENVIRONMENT)) {
- char **tmpenviron = environ;
- resp = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
- for (; *tmpenviron; tmpenviron++) {
- char envkey[1024];
- launch_data_t s = launch_data_alloc(LAUNCH_DATA_STRING);
- launch_data_set_string(s, strchr(*tmpenviron, '=') + 1);
- strncpy(envkey, *tmpenviron, sizeof(envkey));
- *(strchr(envkey, '=')) = '\0';
- launch_data_dict_insert(resp, s, envkey);
- }
- } else if (!strcmp(cmd, LAUNCH_KEY_SETUSERENVIRONMENT)) {
- launch_data_dict_iterate(data, set_user_env, NULL);
- resp = launch_data_new_errno(0);
- } else if (!strcmp(cmd, LAUNCH_KEY_CHECKIN)) {
- if (rmc->c->j) {
- resp = launch_data_copy(rmc->c->j->ldj);
- if (NULL == launch_data_dict_lookup(resp, LAUNCH_JOBKEY_TIMEOUT)) {
- launch_data_t to = launch_data_new_integer(LAUNCHD_MIN_JOB_RUN_TIME);
- launch_data_dict_insert(resp, to, LAUNCH_JOBKEY_TIMEOUT);
- }
- rmc->c->j->checkedin = true;
- } else {
- resp = launch_data_new_errno(EACCES);
- }
- } else if (!strcmp(cmd, LAUNCH_KEY_RELOADTTYS)) {
- update_ttys();
- resp = launch_data_new_errno(0);
- } else if (!strcmp(cmd, LAUNCH_KEY_SHUTDOWN)) {
- do_shutdown();
- resp = launch_data_new_errno(0);
- } else if (!strcmp(cmd, LAUNCH_KEY_GETJOBS)) {
- resp = get_jobs(NULL);
- launch_data_revoke_fds(resp);
- } else if (!strcmp(cmd, LAUNCH_KEY_GETRESOURCELIMITS)) {
- resp = adjust_rlimits(NULL);
- } else if (!strcmp(cmd, LAUNCH_KEY_SETRESOURCELIMITS)) {
- resp = adjust_rlimits(data);
- } else if (!strcmp(cmd, LAUNCH_KEY_GETJOB)) {
- resp = get_jobs(launch_data_get_string(data));
- launch_data_revoke_fds(resp);
- } else if (!strcmp(cmd, LAUNCH_KEY_GETJOBWITHHANDLES)) {
- resp = get_jobs(launch_data_get_string(data));
- } else if (!strcmp(cmd, LAUNCH_KEY_SETLOGMASK)) {
- resp = launch_data_new_integer(setlogmask(launch_data_get_integer(data)));
- } else if (!strcmp(cmd, LAUNCH_KEY_GETLOGMASK)) {
- int oldmask = setlogmask(LOG_UPTO(LOG_DEBUG));
- resp = launch_data_new_integer(oldmask);
- setlogmask(oldmask);
- } else if (!strcmp(cmd, LAUNCH_KEY_SETUMASK)) {
- resp = launch_data_new_integer(umask(launch_data_get_integer(data)));
- } else if (!strcmp(cmd, LAUNCH_KEY_GETUMASK)) {
- mode_t oldmask = umask(0);
- resp = launch_data_new_integer(oldmask);
- umask(oldmask);
- } else if (!strcmp(cmd, LAUNCH_KEY_GETRUSAGESELF)) {
- struct rusage rusage;
- getrusage(RUSAGE_SELF, &rusage);
- resp = launch_data_new_opaque(&rusage, sizeof(rusage));
- } else if (!strcmp(cmd, LAUNCH_KEY_GETRUSAGECHILDREN)) {
- struct rusage rusage;
- getrusage(RUSAGE_CHILDREN, &rusage);
- resp = launch_data_new_opaque(&rusage, sizeof(rusage));
- } else if (!strcmp(cmd, LAUNCH_KEY_SETSTDOUT)) {
- resp = setstdio(STDOUT_FILENO, data);
- } else if (!strcmp(cmd, LAUNCH_KEY_SETSTDERR)) {
- resp = setstdio(STDERR_FILENO, data);
- } else if (!strcmp(cmd, LAUNCH_KEY_BATCHCONTROL)) {
- batch_job_enable(launch_data_get_bool(data), rmc->c);
- resp = launch_data_new_errno(0);
- } else if (!strcmp(cmd, LAUNCH_KEY_BATCHQUERY)) {
- resp = launch_data_alloc(LAUNCH_DATA_BOOL);
- launch_data_set_bool(resp, batch_disabler_count == 0);
- }
-
- rmc->resp = resp;
-}
-
-static launch_data_t setstdio(int d, launch_data_t o)
-{
- launch_data_t resp = launch_data_new_errno(0);
-
- if (launch_data_get_type(o) == LAUNCH_DATA_STRING) {
- char **where = &pending_stderr;
- if (d == STDOUT_FILENO)
- where = &pending_stdout;
- if (*where)
- free(*where);
- *where = strdup(launch_data_get_string(o));
- } else if (launch_data_get_type(o) == LAUNCH_DATA_FD) {
- dup2(launch_data_get_fd(o), d);
- } else {
- launch_data_set_errno(resp, EINVAL);
- }
-
- return resp;
-}
-
-static void batch_job_enable(bool e, struct conncb *c)
-{
- if (e && c->disabled_batch) {
- batch_disabler_count--;
- c->disabled_batch = 0;
- if (batch_disabler_count == 0)
- kevent_mod(asynckq, EVFILT_READ, EV_ENABLE, 0, 0, &kqasync_callback);
- } else if (!e && !c->disabled_batch) {
- if (batch_disabler_count == 0)
- kevent_mod(asynckq, EVFILT_READ, EV_DISABLE, 0, 0, &kqasync_callback);
- batch_disabler_count++;
- c->disabled_batch = 1;
- }
-}
-
-static launch_data_t load_job(launch_data_t pload)
-{
- launch_data_t tmp, resp;
- const char *label;
- struct jobcb *j;
- bool startnow, hasprog = false, hasprogargs = false;
-
- if ((label = job_get_string(pload, LAUNCH_JOBKEY_LABEL))) {
- TAILQ_FOREACH(j, &jobs, tqe) {
- if (!strcmp(j->label, label)) {
- resp = launch_data_new_errno(EEXIST);
- goto out;
- }
- }
- } else {
- resp = launch_data_new_errno(EINVAL);
- goto out;
- }
-
- if (launch_data_dict_lookup(pload, LAUNCH_JOBKEY_PROGRAM))
- hasprog = true;
- if (launch_data_dict_lookup(pload, LAUNCH_JOBKEY_PROGRAMARGUMENTS))
- hasprogargs = true;
-
- if (!hasprog && !hasprogargs) {
- resp = launch_data_new_errno(EINVAL);
- goto out;
- }
-
- j = calloc(1, sizeof(struct jobcb) + strlen(label) + 1);
- strcpy(j->label, label);
- j->ldj = launch_data_copy(pload);
- launch_data_revoke_fds(pload);
- j->kqjob_callback = job_callback;
-
-
- if (launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_ONDEMAND) == NULL) {
- tmp = launch_data_alloc(LAUNCH_DATA_BOOL);
- launch_data_set_bool(tmp, true);
- launch_data_dict_insert(j->ldj, tmp, LAUNCH_JOBKEY_ONDEMAND);
- }
-
- TAILQ_INSERT_TAIL(&jobs, j, tqe);
-
- j->debug = job_get_bool(j->ldj, LAUNCH_JOBKEY_DEBUG);
-
- startnow = !job_get_bool(j->ldj, LAUNCH_JOBKEY_ONDEMAND);
-
- if (job_get_bool(j->ldj, LAUNCH_JOBKEY_RUNATLOAD))
- startnow = true;
-
- if ((tmp = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_QUEUEDIRECTORIES))) {
- size_t i;
-
- j->qdirs_cnt = launch_data_array_get_count(tmp);
- j->qdirs = malloc(sizeof(int) * j->qdirs_cnt);
-
- for (i = 0; i < j->qdirs_cnt; i++) {
- const char *thepath = launch_data_get_string(launch_data_array_get_index(tmp, i));
-
- if (-1 == (j->qdirs[i] = _fd(open(thepath, O_EVTONLY))))
- job_log_error(j, LOG_ERR, "open(\"%s\", O_EVTONLY)", thepath);
- }
-
- }
-
- if ((tmp = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_STARTINTERVAL))) {
- j->start_interval = launch_data_get_integer(tmp);
-
- if (j->start_interval == 0)
- job_log(j, LOG_WARNING, "StartInterval is zero, ignoring");
- else if (-1 == kevent_mod((uintptr_t)&j->start_interval, EVFILT_TIMER, EV_ADD, NOTE_SECONDS, j->start_interval, &j->kqjob_callback))
- job_log_error(j, LOG_ERR, "adding kevent timer");
- }
-
- if ((tmp = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_STARTCALENDARINTERVAL))) {
- launch_data_t tmp_k;
-
- j->start_cal_interval = calloc(1, sizeof(struct tm));
- j->start_cal_interval->tm_min = -1;
- j->start_cal_interval->tm_hour = -1;
- j->start_cal_interval->tm_mday = -1;
- j->start_cal_interval->tm_wday = -1;
- j->start_cal_interval->tm_mon = -1;
-
- if (LAUNCH_DATA_DICTIONARY == launch_data_get_type(tmp)) {
- if ((tmp_k = launch_data_dict_lookup(tmp, LAUNCH_JOBKEY_CAL_MINUTE)))
- j->start_cal_interval->tm_min = launch_data_get_integer(tmp_k);
- if ((tmp_k = launch_data_dict_lookup(tmp, LAUNCH_JOBKEY_CAL_HOUR)))
- j->start_cal_interval->tm_hour = launch_data_get_integer(tmp_k);
- if ((tmp_k = launch_data_dict_lookup(tmp, LAUNCH_JOBKEY_CAL_DAY)))
- j->start_cal_interval->tm_mday = launch_data_get_integer(tmp_k);
- if ((tmp_k = launch_data_dict_lookup(tmp, LAUNCH_JOBKEY_CAL_WEEKDAY)))
- j->start_cal_interval->tm_wday = launch_data_get_integer(tmp_k);
- if ((tmp_k = launch_data_dict_lookup(tmp, LAUNCH_JOBKEY_CAL_MONTH)))
- j->start_cal_interval->tm_mon = launch_data_get_integer(tmp_k);
- }
-
- job_set_alarm(j);
- }
-
- if ((tmp = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_WATCHPATHS))) {
- size_t i;
-
- j->vnodes_cnt = launch_data_array_get_count(tmp);
- j->vnodes = malloc(sizeof(int) * j->vnodes_cnt);
-
- for (i = 0; i < j->vnodes_cnt; i++) {
- const char *thepath = launch_data_get_string(launch_data_array_get_index(tmp, i));
-
- if (-1 == (j->vnodes[i] = _fd(open(thepath, O_EVTONLY))))
- job_log_error(j, LOG_ERR, "open(\"%s\", O_EVTONLY)", thepath);
- }
-
- }
-
- if ((tmp = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_USERENVIRONMENTVARIABLES)))
- launch_data_dict_iterate(tmp, setup_job_env, NULL);
-
- if (job_get_bool(j->ldj, LAUNCH_JOBKEY_ONDEMAND))
- job_watch(j);
-
- if (startnow)
- job_start(j);
-
- resp = launch_data_new_errno(0);
-out:
- return resp;
-}
-
-static launch_data_t get_jobs(const char *which)
-{
- struct jobcb *j;
- launch_data_t tmp, resp = NULL;
-
- if (which) {
- TAILQ_FOREACH(j, &jobs, tqe) {
- if (!strcmp(which, j->label))
- resp = launch_data_copy(j->ldj);
- }
- if (resp == NULL)
- resp = launch_data_new_errno(ESRCH);
- } else {
- resp = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
-
- TAILQ_FOREACH(j, &jobs, tqe) {
- tmp = launch_data_copy(j->ldj);
- launch_data_dict_insert(resp, tmp, j->label);
- }
- }
-
- return resp;
-}
-
-static void usage(FILE *where)
-{
- fprintf(where, "%s: [-d] [-- command [args ...]]\n", getprogname());
- fprintf(where, "\t-d\tdaemonize\n");
- fprintf(where, "\t-h\tthis usage statement\n");
-
- if (where == stdout)
- exit(EXIT_SUCCESS);
-}
-
-#ifdef EVFILT_MACH_IMPLEMENTED
-static void **machcbtable = NULL;
-static size_t machcbtable_cnt = 0;
-static int machcbreadfd = -1;
-static int machcbwritefd = -1;
-static mach_port_t mach_demand_port_set = MACH_PORT_NULL;
-static pthread_t mach_demand_thread;
-
-static void mach_callback(void *obj __attribute__((unused)), struct kevent *kev __attribute__((unused)))
-{
- struct kevent mkev;
- mach_port_t mp;
-
- read(machcbreadfd, &mp, sizeof(mp));
-
- EV_SET(&mkev, mp, EVFILT_MACHPORT, 0, 0, 0, machcbtable[MACH_PORT_INDEX(mp)]);
-
- (*((kq_callback *)mkev.udata))(mkev.udata, &mkev);
-}
-#endif
-
-int kevent_mod(uintptr_t ident, short filter, u_short flags, u_int fflags, intptr_t data, void *udata)
-{
- struct kevent kev;
- int q = mainkq;
-#ifdef EVFILT_MACH_IMPLEMENTED
- kern_return_t kr;
- pthread_attr_t attr;
- int pthr_r, pfds[2];
-#endif
-
- if (EVFILT_TIMER == filter || EVFILT_VNODE == filter)
- q = asynckq;
-
- if (flags & EV_ADD && NULL == udata) {
- syslog(LOG_ERR, "%s(): kev.udata == NULL!!!", __func__);
- syslog(LOG_ERR, "kev: ident %d filter %d flags 0x%x fflags 0x%x",
- ident, filter, flags, fflags);
- errno = EINVAL;
- return -1;
- }
-
-#ifdef EVFILT_MACH_IMPLEMENTED
- if (filter != EVFILT_MACHPORT) {
-#endif
-#ifdef PID1_REAP_ADOPTED_CHILDREN
- if (filter == EVFILT_PROC && getpid() == 1)
- return 0;
-#endif
- EV_SET(&kev, ident, filter, flags, fflags, data, udata);
- return kevent(q, &kev, 1, NULL, 0, NULL);
-#ifdef EVFILT_MACH_IMPLEMENTED
- }
-
- if (machcbtable == NULL) {
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-
- pthr_r = pthread_create(&mach_demand_thread, &attr, mach_demand_loop, NULL);
- if (pthr_r != 0) {
- syslog(LOG_ERR, "pthread_create(mach_demand_loop): %s", strerror(pthr_r));
- exit(EXIT_FAILURE);
- }
-
- pthread_attr_destroy(&attr);
-
- machcbtable = malloc(0);
- pipe(pfds);
- machcbwritefd = _fd(pfds[1]);
- machcbreadfd = _fd(pfds[0]);
- kevent_mod(machcbreadfd, EVFILT_READ, EV_ADD, 0, 0, &kqmach_callback);
- kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_PORT_SET, &mach_demand_port_set);
- if (kr != KERN_SUCCESS) {
- syslog(LOG_ERR, "mach_port_allocate(demand_port_set): %s", mach_error_string(kr));
- exit(EXIT_FAILURE);
- }
- }
-
- if (flags & EV_ADD) {
- kr = mach_port_move_member(mach_task_self(), ident, mach_demand_port_set);
- if (kr != KERN_SUCCESS) {
- syslog(LOG_ERR, "mach_port_move_member(): %s", mach_error_string(kr));
- exit(EXIT_FAILURE);
- }
-
- if (MACH_PORT_INDEX(ident) > machcbtable_cnt)
- machcbtable = realloc(machcbtable, MACH_PORT_INDEX(ident) * sizeof(void *));
-
- machcbtable[MACH_PORT_INDEX(ident)] = udata;
- } else if (flags & EV_DELETE) {
- kr = mach_port_move_member(mach_task_self(), ident, MACH_PORT_NULL);
- if (kr != KERN_SUCCESS) {
- syslog(LOG_ERR, "mach_port_move_member(): %s", mach_error_string(kr));
- exit(EXIT_FAILURE);
- }
- } else {
- syslog(LOG_DEBUG, "kevent_mod(EVFILT_MACHPORT) with flags: %d", flags);
- errno = EINVAL;
- return -1;
- }
-
- return 0;
-#endif
-}
-
-static int _fd(int fd)
-{
- if (fd >= 0)
- fcntl(fd, F_SETFD, 1);
- return fd;
-}
-
-static void ipc_close(struct conncb *c)
-{
- batch_job_enable(true, c);
-
- TAILQ_REMOVE(&connections, c, tqe);
- launchd_close(c->conn);
- free(c);
-}
-
-static void setup_job_env(launch_data_t obj, const char *key, void *context __attribute__((unused)))
-{
- if (LAUNCH_DATA_STRING == launch_data_get_type(obj))
- setenv(key, launch_data_get_string(obj), 1);
-}
-
-static void unsetup_job_env(launch_data_t obj, const char *key, void *context __attribute__((unused)))
-{
- if (LAUNCH_DATA_STRING == launch_data_get_type(obj))
- unsetenv(key);
-}
-
-static void job_reap(struct jobcb *j)
-{
- bool od = job_get_bool(j->ldj, LAUNCH_JOBKEY_ONDEMAND);
- time_t td = time(NULL) - j->start_time;
- bool bad_exit = false;
- int status;
-
- job_log(j, LOG_DEBUG, "Reaping");
-
- if (j->execfd) {
- close(j->execfd);
- j->execfd = 0;
- }
-
-#ifdef PID1_REAP_ADOPTED_CHILDREN
- if (getpid() == 1)
- status = pid1_child_exit_status;
- else
-#endif
- if (-1 == waitpid(j->p, &status, 0)) {
- job_log_error(j, LOG_ERR, "waitpid(%d, ...)", j->p);
- return;
- }
-
- if (WIFEXITED(status) && WEXITSTATUS(status) != 0) {
- job_log(j, LOG_WARNING, "exited with exit code: %d", WEXITSTATUS(status));
- bad_exit = true;
- }
-
- if (WIFSIGNALED(status)) {
- int s = WTERMSIG(status);
- if (SIGKILL == s || SIGTERM == s) {
- job_log(j, LOG_NOTICE, "exited: %s", strsignal(s));
- } else {
- job_log(j, LOG_WARNING, "exited abnormally: %s", strsignal(s));
- bad_exit = true;
- }
- }
-
- if (!od) {
- if (td < LAUNCHD_MIN_JOB_RUN_TIME) {
- job_log(j, LOG_WARNING, "respawning too quickly! throttling");
- bad_exit = true;
- j->throttle = true;
- } else if (td >= LAUNCHD_REWARD_JOB_RUN_TIME) {
- job_log(j, LOG_INFO, "lived long enough, forgiving past exit failures");
- j->failed_exits = 0;
- }
- }
-
- if (bad_exit)
- j->failed_exits++;
-
- if (j->failed_exits > 0) {
- int failures_left = LAUNCHD_FAILED_EXITS_THRESHOLD - j->failed_exits;
- if (failures_left)
- job_log(j, LOG_WARNING, "%d more failure%s without living at least %d seconds will cause job removal",
- failures_left, failures_left > 1 ? "s" : "", LAUNCHD_REWARD_JOB_RUN_TIME);
- }
-
- total_children--;
- j->p = 0;
-}
-
-static bool job_restart_fitness_test(struct jobcb *j)
-{
- bool od = job_get_bool(j->ldj, LAUNCH_JOBKEY_ONDEMAND);
-
- if (j->firstborn) {
- job_log(j, LOG_DEBUG, "first born died, begin shutdown");
- do_shutdown();
- return false;
- } else if (job_get_bool(j->ldj, LAUNCH_JOBKEY_SERVICEIPC) && !j->checkedin) {
- job_log(j, LOG_WARNING, "failed to checkin");
- job_remove(j);
- return false;
- } else if (j->failed_exits >= LAUNCHD_FAILED_EXITS_THRESHOLD) {
- job_log(j, LOG_WARNING, "too many failures in succession");
- job_remove(j);
- return false;
- } else if (od || shutdown_in_progress) {
- if (!od && shutdown_in_progress)
- job_log(j, LOG_NOTICE, "exited while shutdown is in progress, will not restart unless demand requires it");
- job_watch(j);
- return false;
- }
-
- return true;
-}
-
-static void job_callback(void *obj, struct kevent *kev)
-{
- struct jobcb *j = obj;
- bool d = j->debug;
- bool startnow = true;
- int oldmask = 0;
-
- if (d) {
- oldmask = setlogmask(LOG_UPTO(LOG_DEBUG));
- job_log(j, LOG_DEBUG, "log level debug temporarily enabled while processing job");
- }
-
- if (kev->filter == EVFILT_PROC) {
- job_reap(j);
-
- startnow = job_restart_fitness_test(j);
-
- if (startnow && j->throttle) {
- j->throttle = false;
- job_log(j, LOG_WARNING, "will restart in %d seconds", LAUNCHD_MIN_JOB_RUN_TIME);
- if (-1 == kevent_mod((uintptr_t)j, EVFILT_TIMER, EV_ADD|EV_ONESHOT,
- NOTE_SECONDS, LAUNCHD_MIN_JOB_RUN_TIME, &j->kqjob_callback)) {
- job_log_error(j, LOG_WARNING, "failed to setup timer callback!, starting now!");
- } else {
- startnow = false;
- }
- }
- } else if (kev->filter == EVFILT_TIMER && (void *)kev->ident == j->start_cal_interval) {
- job_set_alarm(j);
- } else if (kev->filter == EVFILT_VNODE) {
- size_t i;
- const char *thepath = NULL;
-
- for (i = 0; i < j->vnodes_cnt; i++) {
- if (j->vnodes[i] == (int)kev->ident) {
- launch_data_t ld_vnodes = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_WATCHPATHS);
-
- thepath = launch_data_get_string(launch_data_array_get_index(ld_vnodes, i));
-
- job_log(j, LOG_DEBUG, "watch path modified: %s", thepath);
-
- if ((NOTE_DELETE|NOTE_RENAME|NOTE_REVOKE) & kev->fflags) {
- job_log(j, LOG_DEBUG, "watch path invalidated: %s", thepath);
- close(j->vnodes[i]);
- j->vnodes[i] = -1; /* this will get fixed in job_watch() */
- }
- }
- }
-
- for (i = 0; i < j->qdirs_cnt; i++) {
- if (j->qdirs[i] == (int)kev->ident) {
- launch_data_t ld_qdirs = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_QUEUEDIRECTORIES);
- int dcc_r;
-
- thepath = launch_data_get_string(launch_data_array_get_index(ld_qdirs, i));
-
- job_log(j, LOG_DEBUG, "queue directory modified: %s", thepath);
-
- if (-1 == (dcc_r = dir_has_files(thepath))) {
- job_log_error(j, LOG_ERR, "dir_has_files(\"%s\", ...)", thepath);
- } else if (0 == dcc_r) {
- job_log(j, LOG_DEBUG, "spurious wake up, directory empty: %s", thepath);
- startnow = false;
- }
- }
- }
- /* if we get here, then the vnodes either wasn't a qdir, or if it was, it has entries in it */
- } else if (kev->filter == EVFILT_READ && (int)kev->ident == j->execfd) {
- if (kev->data > 0) {
- int e;
-
- read(j->execfd, &e, sizeof(e));
- errno = e;
- job_log_error(j, LOG_ERR, "execve()");
- job_remove(j);
- j = NULL;
- startnow = false;
- } else {
- close(j->execfd);
- j->execfd = 0;
- }
- startnow = false;
- }
-
- if (startnow)
- job_start(j);
-
- if (d) {
- /* the job might have been removed, must not call job_log() */
- syslog(LOG_DEBUG, "restoring original log mask");
- setlogmask(oldmask);
- }
-}
-
-static void job_start(struct jobcb *j)
-{
- int spair[2];
- int execspair[2];
- bool sipc;
- char nbuf[64];
- pid_t c;
-
- job_log(j, LOG_DEBUG, "Starting");
-
- if (j->p) {
- job_log(j, LOG_DEBUG, "already running");
- return;
- }
-
- j->checkedin = false;
-
- sipc = job_get_bool(j->ldj, LAUNCH_JOBKEY_SERVICEIPC);
-
- if (job_get_bool(j->ldj, LAUNCH_JOBKEY_INETDCOMPATIBILITY))
- sipc = true;
-
- if (sipc)
- socketpair(AF_UNIX, SOCK_STREAM, 0, spair);
-
- socketpair(AF_UNIX, SOCK_STREAM, 0, execspair);
-
- time(&j->start_time);
-
- switch (c = fork_with_bootstrap_port(launchd_bootstrap_port)) {
- case -1:
- job_log_error(j, LOG_ERR, "fork() failed, will try again in one second");
- close(execspair[0]);
- close(execspair[1]);
- if (sipc) {
- close(spair[0]);
- close(spair[1]);
- }
- if (job_get_bool(j->ldj, LAUNCH_JOBKEY_ONDEMAND))
- job_ignore(j);
- break;
- case 0:
- close(execspair[0]);
- /* wait for our parent to say they've attached a kevent to us */
- read(_fd(execspair[1]), &c, sizeof(c));
- if (j->firstborn) {
- setpgid(getpid(), getpid());
- if (isatty(STDIN_FILENO)) {
- if (tcsetpgrp(STDIN_FILENO, getpid()) == -1)
- job_log_error(j, LOG_WARNING, "tcsetpgrp()");
- }
- }
-
- if (sipc) {
- close(spair[0]);
- sprintf(nbuf, "%d", spair[1]);
- setenv(LAUNCHD_TRUSTED_FD_ENV, nbuf, 1);
- }
- job_start_child(j, execspair[1]);
- break;
- default:
- close(execspair[1]);
- j->execfd = _fd(execspair[0]);
- if (sipc) {
- close(spair[1]);
- ipc_open(_fd(spair[0]), j);
- }
- if (kevent_mod(j->execfd, EVFILT_READ, EV_ADD, 0, 0, &j->kqjob_callback) == -1)
- job_log_error(j, LOG_ERR, "kevent_mod(j->execfd): %m");
- if (kevent_mod(c, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, &j->kqjob_callback) == -1) {
- job_log_error(j, LOG_ERR, "kevent()");
- job_reap(j);
- } else {
- j->p = c;
- total_children++;
- if (job_get_bool(j->ldj, LAUNCH_JOBKEY_ONDEMAND))
- job_ignore(j);
- }
- /* this unblocks the child and avoids a race
- * between the above fork() and the kevent_mod() */
- write(j->execfd, &c, sizeof(c));
- break;
- }
-}
-
-static void job_start_child(struct jobcb *j, int execfd)
-{
- launch_data_t ldpa = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_PROGRAMARGUMENTS);
- bool inetcompat = job_get_bool(j->ldj, LAUNCH_JOBKEY_INETDCOMPATIBILITY);
- size_t i, argv_cnt;
- const char **argv, *file2exec = "/usr/libexec/launchproxy";
- int r;
- bool hasprog = false;
-
- job_setup_attributes(j);
-
- if (ldpa) {
- argv_cnt = launch_data_array_get_count(ldpa);
- argv = alloca((argv_cnt + 2) * sizeof(char *));
- for (i = 0; i < argv_cnt; i++)
- argv[i + 1] = launch_data_get_string(launch_data_array_get_index(ldpa, i));
- argv[argv_cnt + 1] = NULL;
- } else {
- argv = alloca(3 * sizeof(char *));
- argv[1] = job_get_string(j->ldj, LAUNCH_JOBKEY_PROGRAM);
- argv[2] = NULL;
- }
-
- if (job_get_string(j->ldj, LAUNCH_JOBKEY_PROGRAM))
- hasprog = true;
-
- if (inetcompat) {
- argv[0] = file2exec;
- } else {
- argv++;
- file2exec = job_get_file2exec(j->ldj);
- }
-
- if (hasprog) {
- r = execv(file2exec, (char *const*)argv);
- } else {
- r = execvp(file2exec, (char *const*)argv);
- }
-
- if (-1 == r) {
- write(execfd, &errno, sizeof(errno));
- job_log_error(j, LOG_ERR, "execv%s(\"%s\", ...)", hasprog ? "" : "p", file2exec);
- }
- exit(EXIT_FAILURE);
-}
-
-static void job_setup_attributes(struct jobcb *j)
-{
- launch_data_t srl = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_SOFTRESOURCELIMITS);
- launch_data_t hrl = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_HARDRESOURCELIMITS);
- bool inetcompat = job_get_bool(j->ldj, LAUNCH_JOBKEY_INETDCOMPATIBILITY);
- launch_data_t tmp;
- size_t i;
- const char *tmpstr;
- struct group *gre = NULL;
- gid_t gre_g = 0;
- static const struct {
- const char *key;
- int val;
- } limits[] = {
- { LAUNCH_JOBKEY_RESOURCELIMIT_CORE, RLIMIT_CORE },
- { LAUNCH_JOBKEY_RESOURCELIMIT_CPU, RLIMIT_CPU },
- { LAUNCH_JOBKEY_RESOURCELIMIT_DATA, RLIMIT_DATA },
- { LAUNCH_JOBKEY_RESOURCELIMIT_FSIZE, RLIMIT_FSIZE },
- { LAUNCH_JOBKEY_RESOURCELIMIT_MEMLOCK, RLIMIT_MEMLOCK },
- { LAUNCH_JOBKEY_RESOURCELIMIT_NOFILE, RLIMIT_NOFILE },
- { LAUNCH_JOBKEY_RESOURCELIMIT_NPROC, RLIMIT_NPROC },
- { LAUNCH_JOBKEY_RESOURCELIMIT_RSS, RLIMIT_RSS },
- { LAUNCH_JOBKEY_RESOURCELIMIT_STACK, RLIMIT_STACK },
- };
-
- setpriority(PRIO_PROCESS, 0, job_get_integer(j->ldj, LAUNCH_JOBKEY_NICE));
-
- if (srl || hrl) {
- for (i = 0; i < (sizeof(limits) / sizeof(limits[0])); i++) {
- struct rlimit rl;
-
- if (getrlimit(limits[i].val, &rl) == -1) {
- job_log_error(j, LOG_WARNING, "getrlimit()");
- continue;
- }
-
- if (hrl)
- rl.rlim_max = job_get_integer(hrl, limits[i].key);
- if (srl)
- rl.rlim_cur = job_get_integer(srl, limits[i].key);
-
- if (setrlimit(limits[i].val, &rl) == -1)
- job_log_error(j, LOG_WARNING, "setrlimit()");
- }
- }
-
- if (!inetcompat && job_get_bool(j->ldj, LAUNCH_JOBKEY_SESSIONCREATE))
- launchd_SessionCreate(job_get_file2exec(j->ldj));
-
- if (job_get_bool(j->ldj, LAUNCH_JOBKEY_LOWPRIORITYIO)) {
- int lowprimib[] = { CTL_KERN, KERN_PROC_LOW_PRI_IO };
- int val = 1;
-
- if (sysctl(lowprimib, sizeof(lowprimib) / sizeof(lowprimib[0]), NULL, NULL, &val, sizeof(val)) == -1)
- job_log_error(j, LOG_WARNING, "sysctl(\"%s\")", "kern.proc_low_pri_io");
- }
- if ((tmpstr = job_get_string(j->ldj, LAUNCH_JOBKEY_ROOTDIRECTORY))) {
- chroot(tmpstr);
- chdir(".");
- }
- if ((tmpstr = job_get_string(j->ldj, LAUNCH_JOBKEY_GROUPNAME))) {
- gre = getgrnam(tmpstr);
- if (gre) {
- gre_g = gre->gr_gid;
- if (-1 == setgid(gre_g)) {
- job_log_error(j, LOG_ERR, "setgid(%d)", gre_g);
- exit(EXIT_FAILURE);
- }
- } else {
- job_log(j, LOG_ERR, "getgrnam(\"%s\") failed", tmpstr);
- exit(EXIT_FAILURE);
- }
- }
- if ((tmpstr = job_get_string(j->ldj, LAUNCH_JOBKEY_USERNAME))) {
- struct passwd *pwe = getpwnam(tmpstr);
- if (pwe) {
- uid_t pwe_u = pwe->pw_uid;
- uid_t pwe_g = pwe->pw_gid;
-
- if (pwe->pw_expire && time(NULL) >= pwe->pw_expire) {
- job_log(j, LOG_ERR, "expired account: %s", tmpstr);
- exit(EXIT_FAILURE);
- }
- if (job_get_bool(j->ldj, LAUNCH_JOBKEY_INITGROUPS)) {
- if (-1 == initgroups(tmpstr, gre ? gre_g : pwe_g)) {
- job_log_error(j, LOG_ERR, "initgroups()");
- exit(EXIT_FAILURE);
- }
- }
- if (!gre) {
- if (-1 == setgid(pwe_g)) {
- job_log_error(j, LOG_ERR, "setgid(%d)", pwe_g);
- exit(EXIT_FAILURE);
- }
- }
- if (-1 == setuid(pwe_u)) {
- job_log_error(j, LOG_ERR, "setuid(%d)", pwe_u);
- exit(EXIT_FAILURE);
- }
- } else {
- job_log(j, LOG_WARNING, "getpwnam(\"%s\") failed", tmpstr);
- exit(EXIT_FAILURE);
- }
- }
- if ((tmpstr = job_get_string(j->ldj, LAUNCH_JOBKEY_WORKINGDIRECTORY)))
- chdir(tmpstr);
- if (launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_UMASK))
- umask(job_get_integer(j->ldj, LAUNCH_JOBKEY_UMASK));
- if ((tmpstr = job_get_string(j->ldj, LAUNCH_JOBKEY_STANDARDOUTPATH))) {
- int sofd = open(tmpstr, O_WRONLY|O_APPEND|O_CREAT, DEFFILEMODE);
- if (sofd == -1) {
- job_log_error(j, LOG_WARNING, "open(\"%s\", ...)", tmpstr);
- } else {
- dup2(sofd, STDOUT_FILENO);
- close(sofd);
- }
- }
- if ((tmpstr = job_get_string(j->ldj, LAUNCH_JOBKEY_STANDARDERRORPATH))) {
- int sefd = open(tmpstr, O_WRONLY|O_APPEND|O_CREAT, DEFFILEMODE);
- if (sefd == -1) {
- job_log_error(j, LOG_WARNING, "open(\"%s\", ...)", tmpstr);
- } else {
- dup2(sefd, STDERR_FILENO);
- close(sefd);
- }
- }
- if ((tmp = launch_data_dict_lookup(j->ldj, LAUNCH_JOBKEY_ENVIRONMENTVARIABLES)))
- launch_data_dict_iterate(tmp, setup_job_env, NULL);
-
- setsid();
-}
-
-#ifdef PID1_REAP_ADOPTED_CHILDREN
-__private_extern__ int pid1_child_exit_status = 0;
-static void pid1waitpid(void)
-{
- pid_t p;
-
- while ((p = waitpid(-1, &pid1_child_exit_status, WNOHANG)) > 0) {
- if (!launchd_check_pid(p))
- init_check_pid(p);
- }
-}
-#endif
-
-static void do_shutdown(void)
-{
- struct jobcb *j;
-
- shutdown_in_progress = true;
-
- kevent_mod(asynckq, EVFILT_READ, EV_DISABLE, 0, 0, &kqasync_callback);
-
- TAILQ_FOREACH(j, &jobs, tqe)
- job_stop(j);
-
- if (getpid() == 1) {
- catatonia();
- mach_start_shutdown(SIGTERM);
- }
-}
-
-static void signal_callback(void *obj __attribute__((unused)), struct kevent *kev)
-{
- switch (kev->ident) {
- case SIGHUP:
- update_ttys();
- reload_launchd_config();
- break;
- case SIGTERM:
- do_shutdown();
- break;
-#ifdef PID1_REAP_ADOPTED_CHILDREN
- case SIGCHLD:
- /* <rdar://problem/3632556> Please automatically reap processes reparented to PID 1 */
- if (getpid() == 1)
- pid1waitpid();
- break;
-#endif
- default:
- break;
- }
-}
-
-static void fs_callback(void)
-{
- static bool mounted_volfs = false;
-
- if (1 != getpid())
- mounted_volfs = true;
-
- if (pending_stdout) {
- int fd = open(pending_stdout, O_CREAT|O_APPEND|O_WRONLY, DEFFILEMODE);
- if (fd != -1) {
- dup2(fd, STDOUT_FILENO);
- close(fd);
- free(pending_stdout);
- pending_stdout = NULL;
- }
- }
- if (pending_stderr) {
- int fd = open(pending_stderr, O_CREAT|O_APPEND|O_WRONLY, DEFFILEMODE);
- if (fd != -1) {
- dup2(fd, STDERR_FILENO);
- close(fd);
- free(pending_stderr);
- pending_stderr = NULL;
- }
- }
-
- if (!mounted_volfs) {
- int r = mount("volfs", VOLFSDIR, MNT_RDONLY, NULL);
-
- if (-1 == r && errno == ENOENT) {
- mkdir(VOLFSDIR, ACCESSPERMS & ~(S_IWUSR|S_IWGRP|S_IWOTH));
- r = mount("volfs", VOLFSDIR, MNT_RDONLY, NULL);
- }
-
- if (-1 == r) {
- syslog(LOG_WARNING, "mount(\"%s\", \"%s\", ...): %m", "volfs", VOLFSDIR);
- } else {
- mounted_volfs = true;
- }
- }
-
- if (!launchd_inited)
- launchd_server_init(false);
-}
-
-static void readcfg_callback(void *obj __attribute__((unused)), struct kevent *kev __attribute__((unused)))
-{
- int status;
-
-#ifdef PID1_REAP_ADOPTED_CHILDREN
- if (getpid() == 1)
- status = pid1_child_exit_status;
- else
-#endif
- if (-1 == waitpid(readcfg_pid, &status, 0)) {
- syslog(LOG_WARNING, "waitpid(readcfg_pid, ...): %m");
- return;
- }
-
- readcfg_pid = 0;
-
- if (WIFEXITED(status)) {
- if (WEXITSTATUS(status))
- syslog(LOG_WARNING, "Unable to read launchd.conf: launchctl exited with status: %d", WEXITSTATUS(status));
- } else if (WIFSIGNALED(status)) {
- syslog(LOG_WARNING, "Unable to read launchd.conf: launchctl exited abnormally: %s", strsignal(WTERMSIG(status)));
- } else {
- syslog(LOG_WARNING, "Unable to read launchd.conf: launchctl exited abnormally");
- }
-}
-
-#ifdef EVFILT_MACH_IMPLEMENTED
-static void *mach_demand_loop(void *arg __attribute__((unused)))
-{
- mach_msg_empty_rcv_t dummy;
- kern_return_t kr;
- mach_port_name_array_t members;
- mach_msg_type_number_t membersCnt;
- mach_port_status_t status;
- mach_msg_type_number_t statusCnt;
- unsigned int i;
-
- for (;;) {
-
- /*
- * Receive indication of message on demand service
- * ports without actually receiving the message (we'll
- * let the actual server do that.
- */
- kr = mach_msg(&dummy.header, MACH_RCV_MSG|MACH_RCV_LARGE,
- 0, 0, mach_demand_port_set, 0, MACH_PORT_NULL);
- if (kr != MACH_RCV_TOO_LARGE) {
- syslog(LOG_WARNING, "%s(): mach_msg(): %s", __func__, mach_error_string(kr));
- continue;
- }
-
- /*
- * Some port(s) now have messages on them, find out
- * which ones (there is no indication of which port
- * triggered in the MACH_RCV_TOO_LARGE indication).
- */
- kr = mach_port_get_set_status(mach_task_self(),
- mach_demand_port_set, &members, &membersCnt);
- if (kr != KERN_SUCCESS) {
- syslog(LOG_WARNING, "%s(): mach_port_get_set_status(): %s", __func__, mach_error_string(kr));
- continue;
- }
-
- for (i = 0; i < membersCnt; i++) {
- statusCnt = MACH_PORT_RECEIVE_STATUS_COUNT;
- kr = mach_port_get_attributes(mach_task_self(), members[i],
- MACH_PORT_RECEIVE_STATUS, (mach_port_info_t)&status, &statusCnt);
- if (kr != KERN_SUCCESS) {
- syslog(LOG_WARNING, "%s(): mach_port_get_attributes(): %s", __func__, mach_error_string(kr));
- continue;
- }
-
- /*
- * For each port with messages, take it out of the
- * demand service portset, and inform the main thread
- * that it might have to start the server responsible
- * for it.
- */
- if (status.mps_msgcount) {
- kr = mach_port_move_member(mach_task_self(), members[i], MACH_PORT_NULL);
- if (kr != KERN_SUCCESS) {
- syslog(LOG_WARNING, "%s(): mach_port_move_member(): %s", __func__, mach_error_string(kr));
- continue;
- }
- write(machcbwritefd, &(members[i]), sizeof(members[i]));
- }
- }
-
- kr = vm_deallocate(mach_task_self(), (vm_address_t) members,
- (vm_size_t) membersCnt * sizeof(mach_port_name_t));
- if (kr != KERN_SUCCESS) {
- syslog(LOG_WARNING, "%s(): vm_deallocate(): %s", __func__, mach_error_string(kr));
- continue;
- }
- }
-
- return NULL;
-}
-#endif
-
-static void reload_launchd_config(void)
-{
- struct stat sb;
- static char *ldconf = PID1LAUNCHD_CONF;
- const char *h = getenv("HOME");
-
- if (h && ldconf == PID1LAUNCHD_CONF)
- asprintf(&ldconf, "%s/%s", h, LAUNCHD_CONF);
-
- if (!ldconf)
- return;
-
- if (lstat(ldconf, &sb) == 0) {
- int spair[2];
- socketpair(AF_UNIX, SOCK_STREAM, 0, spair);
- readcfg_pid = fork_with_bootstrap_port(launchd_bootstrap_port);
- if (readcfg_pid == 0) {
- char nbuf[100];
- close(spair[0]);
- sprintf(nbuf, "%d", spair[1]);
- setenv(LAUNCHD_TRUSTED_FD_ENV, nbuf, 1);
- int fd = open(ldconf, O_RDONLY);
- if (fd == -1) {
- syslog(LOG_ERR, "open(\"%s\"): %m", ldconf);
- exit(EXIT_FAILURE);
- }
- dup2(fd, STDIN_FILENO);
- close(fd);
- execl(LAUNCHCTL_PATH, LAUNCHCTL_PATH, NULL);
- syslog(LOG_ERR, "execl(\"%s\", ...): %m", LAUNCHCTL_PATH);
- exit(EXIT_FAILURE);
- } else if (readcfg_pid == -1) {
- close(spair[0]);
- close(spair[1]);
- syslog(LOG_ERR, "fork(): %m");
- readcfg_pid = 0;
- } else {
- close(spair[1]);
- ipc_open(_fd(spair[0]), NULL);
- if (kevent_mod(readcfg_pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, &kqreadcfg_callback) == -1)
- syslog(LOG_ERR, "kevent_mod(EVFILT_PROC, &kqreadcfg_callback): %m");
- }
- }
-}
-
-static void conceive_firstborn(char *argv[])
-{
- launch_data_t r, d = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
- launch_data_t args = launch_data_alloc(LAUNCH_DATA_ARRAY);
- launch_data_t l = launch_data_new_string("com.apple.launchd.firstborn");
- size_t i;
-
- for (i = 0; *argv; argv++, i++)
- launch_data_array_set_index(args, launch_data_new_string(*argv), i);
-
- launch_data_dict_insert(d, args, LAUNCH_JOBKEY_PROGRAMARGUMENTS);
- launch_data_dict_insert(d, l, LAUNCH_JOBKEY_LABEL);
-
- r = load_job(d);
-
- launch_data_free(r);
- launch_data_free(d);
-
- TAILQ_FIRST(&jobs)->firstborn = true;
-}
-
-static void loopback_setup(void)
-{
- struct ifaliasreq ifra;
- struct in6_aliasreq ifra6;
- struct ifreq ifr;
- int s, s6;
-
- memset(&ifr, 0, sizeof(ifr));
- strcpy(ifr.ifr_name, "lo0");
-
- if (-1 == (s = socket(AF_INET, SOCK_DGRAM, 0)))
- syslog(LOG_ERR, "%s: socket(%s, ...): %m", __PRETTY_FUNCTION__, "AF_INET");
- if (-1 == (s6 = socket(AF_INET6, SOCK_DGRAM, 0)))
- syslog(LOG_ERR, "%s: socket(%s, ...): %m", __PRETTY_FUNCTION__, "AF_INET6");
-
- if (ioctl(s, SIOCGIFFLAGS, &ifr) == -1) {
- syslog(LOG_ERR, "ioctl(SIOCGIFFLAGS): %m");
- } else {
- ifr.ifr_flags |= IFF_UP;
-
- if (ioctl(s, SIOCSIFFLAGS, &ifr) == -1)
- syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
- }
-
- memset(&ifr, 0, sizeof(ifr));
- strcpy(ifr.ifr_name, "lo0");
-
- if (ioctl(s6, SIOCGIFFLAGS, &ifr) == -1) {
- syslog(LOG_ERR, "ioctl(SIOCGIFFLAGS): %m");
- } else {
- ifr.ifr_flags |= IFF_UP;
-
- if (ioctl(s6, SIOCSIFFLAGS, &ifr) == -1)
- syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
- }
-
- 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);
-
- if (ioctl(s, SIOCAIFADDR, &ifra) == -1)
- syslog(LOG_ERR, "ioctl(SIOCAIFADDR ipv4): %m");
-
- 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)
- syslog(LOG_ERR, "ioctl(SIOCAIFADDR ipv6): %m");
-
- close(s);
- close(s6);
-}
-
-static void workaround3048875(int argc, char *argv[])
-{
- int i;
- char **ap, *newargv[100], *p = argv[1];
-
- if (argc == 1 || argc > 2)
- return;
-
- newargv[0] = argv[0];
- for (ap = newargv + 1, i = 1; ap < &newargv[100]; ap++, i++) {
- if ((*ap = strsep(&p, " \t")) == NULL)
- break;
- if (**ap == '\0') {
- *ap = NULL;
- break;
- }
- }
-
- if (argc == i)
- return;
-
- execv(newargv[0], newargv);
-}
-
-static launch_data_t adjust_rlimits(launch_data_t in)
-{
- static struct rlimit *l = NULL;
- static size_t lsz = sizeof(struct rlimit) * RLIM_NLIMITS;
- struct rlimit *ltmp;
- size_t i,ltmpsz;
-
- if (l == NULL) {
- l = malloc(lsz);
- for (i = 0; i < RLIM_NLIMITS; i++) {
- if (getrlimit(i, l + i) == -1)
- syslog(LOG_WARNING, "getrlimit(): %m");
- }
- }
-
- if (in) {
- ltmp = launch_data_get_opaque(in);
- ltmpsz = launch_data_get_opaque_size(in);
-
- if (ltmpsz > lsz) {
- syslog(LOG_WARNING, "Too much rlimit data sent!");
- ltmpsz = lsz;
- }
-
- for (i = 0; i < (ltmpsz / sizeof(struct rlimit)); i++) {
- if (ltmp[i].rlim_cur == l[i].rlim_cur && ltmp[i].rlim_max == l[i].rlim_max)
- continue;
-
- if (readcfg_pid && getpid() == 1) {
- int gmib[] = { CTL_KERN, KERN_MAXPROC };
- int pmib[] = { CTL_KERN, KERN_MAXPROCPERUID };
- const char *gstr = "kern.maxproc";
- const char *pstr = "kern.maxprocperuid";
- int gval = ltmp[i].rlim_max;
- int pval = ltmp[i].rlim_cur;
- switch (i) {
- case RLIMIT_NOFILE:
- gmib[1] = KERN_MAXFILES;
- pmib[1] = KERN_MAXFILESPERPROC;
- gstr = "kern.maxfiles";
- pstr = "kern.maxfilesperproc";
- break;
- case RLIMIT_NPROC:
- /* kernel will not clamp to this value, we must */
- if (gval > (2048 + 20))
- gval = 2048 + 20;
- break;
- default:
- break;
- }
- if (sysctl(gmib, 2, NULL, NULL, &gval, sizeof(gval)) == -1)
- syslog(LOG_WARNING, "sysctl(\"%s\"): %m", gstr);
- if (sysctl(pmib, 2, NULL, NULL, &pval, sizeof(pval)) == -1)
- syslog(LOG_WARNING, "sysctl(\"%s\"): %m", pstr);
- }
- if (setrlimit(i, ltmp + i) == -1)
- syslog(LOG_WARNING, "setrlimit(): %m");
- /* the kernel may have clamped the values we gave it */
- if (getrlimit(i, l + i) == -1)
- syslog(LOG_WARNING, "getrlimit(): %m");
- }
- }
-
- return launch_data_new_opaque(l, sizeof(struct rlimit) * RLIM_NLIMITS);
-}
-
-__private_extern__ void launchd_SessionCreate(const char *who)
-{
- void *seclib = dlopen(SECURITY_LIB, RTLD_LAZY);
- OSStatus (*sescr)(SessionCreationFlags flags, SessionAttributeBits attributes);
-
- if (seclib) {
- sescr = dlsym(seclib, "SessionCreate");
-
- if (sescr) {
- OSStatus scr = sescr(0, 0);
- if (scr != noErr)
- syslog(LOG_WARNING, "%s: SessionCreate() failed: %d", who, scr);
- } else {
- syslog(LOG_WARNING, "%s: couldn't find SessionCreate() in %s", who, SECURITY_LIB);
- }
-
- dlclose(seclib);
- } else {
- syslog(LOG_WARNING, "%s: dlopen(\"%s\",...): %s", who, SECURITY_LIB, dlerror());
- }
-}
-
-static int dir_has_files(const char *path)
-{
- DIR *dd = opendir(path);
- struct dirent *de;
- bool r = 0;
-
- if (!dd)
- return -1;
-
- while ((de = readdir(dd))) {
- if (strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {
- r = 1;
- break;
- }
- }
-
- closedir(dd);
- return r;
-}
-
-static void job_set_alarm(struct jobcb *j)
-{
- time_t later;
-
- later = cronemu(j->start_cal_interval->tm_mon, j->start_cal_interval->tm_mday,
- j->start_cal_interval->tm_hour, j->start_cal_interval->tm_min);
-
- if (j->start_cal_interval->tm_wday != -1) {
- time_t otherlater = cronemu_wday(j->start_cal_interval->tm_wday,
- j->start_cal_interval->tm_hour, j->start_cal_interval->tm_min);
-
- if (-1 != j->start_cal_interval->tm_mday) {
- later = later < otherlater ? later : otherlater;
- } else {
- later = otherlater;
- }
- }
-
- if (-1 == kevent_mod((uintptr_t)j->start_cal_interval, EVFILT_TIMER, EV_ADD, NOTE_ABSOLUTE|NOTE_SECONDS, later, j)) {
- job_log_error(j, LOG_ERR, "adding kevent alarm");
- } else {
- job_log(j, LOG_INFO, "scheduled to run again at: %s", ctime(&later));
- }
-}
-
-void
-job_prep_log_msg(struct jobcb *j, char *buf, const char *msg, int err)
-{
- size_t lsz = strlen(j->label);
- size_t i, o;
-
- for (i = 0, o = 0; i < lsz; i++, o++) {
- if (j->label[i] == '%') {
- buf[o] = '%';
- o++;
- buf[o] = '%';
- } else {
- buf[o] = j->label[i];
- }
- }
projects / apple / launchd.git / blobdiff