#include <signal.h>
#include <sys/wait.h>
#include <unistd.h>
+#include <sys/inotify.h>
+#include <sys/epoll.h>
#include <sys/poll.h>
#include <sys/reboot.h>
#include <sys/ioctl.h>
#include "audit-fd.h"
#include "boot-timestamps.h"
#include "env-util.h"
-#include "bus-errors.h"
+#include "bus-common-errors.h"
#include "bus-error.h"
#include "bus-util.h"
#include "dbus.h"
#include "dbus-job.h"
#include "dbus-manager.h"
#include "bus-kernel.h"
-
-/* As soon as 5s passed since a unit was added to our GC queue, make sure to run a gc sweep */
-#define GC_QUEUE_USEC_MAX (10*USEC_PER_SEC)
+#include "time-util.h"
/* Initial delay and the interval for printing status messages about running jobs */
#define JOBS_IN_PROGRESS_WAIT_USEC (5*USEC_PER_SEC)
#define JOBS_IN_PROGRESS_PERIOD_USEC (USEC_PER_SEC / 3)
#define JOBS_IN_PROGRESS_PERIOD_DIVISOR 3
-/* Where clients shall send notification messages to */
-#define NOTIFY_SOCKET "@/org/freedesktop/systemd1/notify"
-
-#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
-
static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
return 0;
next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC;
- return sd_event_add_monotonic(m->event, &m->jobs_in_progress_event_source, next, 0, manager_dispatch_jobs_in_progress, m);
+ return sd_event_add_time(
+ m->event,
+ &m->jobs_in_progress_event_source,
+ CLOCK_MONOTONIC,
+ next, 0,
+ manager_dispatch_jobs_in_progress, m);
}
#define CYLON_BUFFER_EXTRA (2*(sizeof(ANSI_RED_ON)-1) + sizeof(ANSI_HIGHLIGHT_RED_ON)-1 + 2*(sizeof(ANSI_HIGHLIGHT_OFF)-1))
if (job_get_timeout(j, &x) > 0)
format_timespan(limit, sizeof(limit), x - j->begin_usec, 1*USEC_PER_SEC);
- manager_status_printf(m, true, cylon,
+ manager_status_printf(m, STATUS_TYPE_EPHEMERAL, cylon,
"%sA %s job is running for %s (%s / %s)",
strempty(job_of_n),
job_type_to_string(j->type),
}
+static int have_ask_password(void) {
+ _cleanup_closedir_ DIR *dir;
+
+ dir = opendir("/run/systemd/ask-password");
+ if (!dir) {
+ if (errno == ENOENT)
+ return false;
+ else
+ return -errno;
+ }
+
+ for (;;) {
+ struct dirent *de;
+
+ errno = 0;
+ de = readdir(dir);
+ if (!de && errno != 0)
+ return -errno;
+ if (!de)
+ return false;
+
+ if (startswith(de->d_name, "ask."))
+ return true;
+ }
+}
+
+static int manager_dispatch_ask_password_fd(sd_event_source *source,
+ int fd, uint32_t revents, void *userdata) {
+ Manager *m = userdata;
+
+ assert(m);
+
+ flush_fd(fd);
+
+ m->have_ask_password = have_ask_password();
+ if (m->have_ask_password < 0)
+ /* Log error but continue. Negative have_ask_password
+ * is treated as unknown status. */
+ log_error_errno(m->have_ask_password, "Failed to list /run/systemd/ask-password: %m");
+
+ return 0;
+}
+
+static void manager_close_ask_password(Manager *m) {
+ assert(m);
+
+ m->ask_password_inotify_fd = safe_close(m->ask_password_inotify_fd);
+ m->ask_password_event_source = sd_event_source_unref(m->ask_password_event_source);
+ m->have_ask_password = -EINVAL;
+}
+
+static int manager_check_ask_password(Manager *m) {
+ int r;
+
+ assert(m);
+
+ if (!m->ask_password_event_source) {
+ assert(m->ask_password_inotify_fd < 0);
+
+ mkdir_p_label("/run/systemd/ask-password", 0755);
+
+ m->ask_password_inotify_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
+ if (m->ask_password_inotify_fd < 0)
+ return log_error_errno(errno, "inotify_init1() failed: %m");
+
+ if (inotify_add_watch(m->ask_password_inotify_fd, "/run/systemd/ask-password", IN_CREATE|IN_DELETE|IN_MOVE) < 0) {
+ log_error_errno(errno, "Failed to add watch on /run/systemd/ask-password: %m");
+ manager_close_ask_password(m);
+ return -errno;
+ }
+
+ r = sd_event_add_io(m->event, &m->ask_password_event_source,
+ m->ask_password_inotify_fd, EPOLLIN,
+ manager_dispatch_ask_password_fd, m);
+ if (r < 0) {
+ log_error_errno(errno, "Failed to add event source for /run/systemd/ask-password: %m");
+ manager_close_ask_password(m);
+ return -errno;
+ }
+
+ /* Queries might have been added meanwhile... */
+ manager_dispatch_ask_password_fd(m->ask_password_event_source,
+ m->ask_password_inotify_fd, EPOLLIN, m);
+ }
+
+ return m->have_ask_password;
+}
+
static int manager_watch_idle_pipe(Manager *m) {
int r;
return 0;
r = sd_event_add_io(m->event, &m->idle_pipe_event_source, m->idle_pipe[2], EPOLLIN, manager_dispatch_idle_pipe_fd, m);
- if (r < 0) {
- log_error("Failed to watch idle pipe: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to watch idle pipe: %m");
return 0;
}
static void manager_close_idle_pipe(Manager *m) {
assert(m);
- close_pipe(m->idle_pipe);
- close_pipe(m->idle_pipe + 2);
+ safe_close_pair(m->idle_pipe);
+ safe_close_pair(m->idle_pipe + 2);
}
static int manager_setup_time_change(Manager *m) {
assert(m);
assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX));
+ if (m->test_run)
+ return 0;
+
/* Uses TFD_TIMER_CANCEL_ON_SET to get notifications whenever
* CLOCK_REALTIME makes a jump relative to CLOCK_MONOTONIC */
m->time_change_fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK|TFD_CLOEXEC);
- if (m->time_change_fd < 0) {
- log_error("Failed to create timerfd: %m");
- return -errno;
- }
+ if (m->time_change_fd < 0)
+ return log_error_errno(errno, "Failed to create timerfd: %m");
if (timerfd_settime(m->time_change_fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) {
- log_debug("Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m");
- close_nointr_nofail(m->time_change_fd);
- m->time_change_fd = -1;
+ log_debug_errno(errno, "Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m");
+ m->time_change_fd = safe_close(m->time_change_fd);
return 0;
}
r = sd_event_add_io(m->event, &m->time_change_event_source, m->time_change_fd, EPOLLIN, manager_dispatch_time_change_fd, m);
- if (r < 0) {
- log_error("Failed to create time change event source: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to create time change event source: %m");
log_debug("Set up TFD_TIMER_CANCEL_ON_SET timerfd.");
* this will fail with EPERM (older) or EINVAL (newer), so
* ignore that. */
if (reboot(RB_DISABLE_CAD) < 0 && errno != EPERM && errno != EINVAL)
- log_warning("Failed to enable ctrl-alt-del handling: %m");
+ log_warning_errno(errno, "Failed to enable ctrl-alt-del handling: %m");
fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC);
if (fd < 0) {
/* Support systems without virtual console */
if (fd != -ENOENT)
- log_warning("Failed to open /dev/tty0: %m");
+ log_warning_errno(errno, "Failed to open /dev/tty0: %m");
} else {
/* Enable that we get SIGWINCH on kbrequest */
if (ioctl(fd, KDSIGACCEPT, SIGWINCH) < 0)
- log_warning("Failed to enable kbrequest handling: %m");
+ log_warning_errno(errno, "Failed to enable kbrequest handling: %m");
}
return 0;
assert(m);
- /* We are not interested in SIGSTOP and friends. */
assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
- assert_se(sigemptyset(&mask) == 0);
+ /* We make liberal use of realtime signals here. On
+ * Linux/glibc we have 30 of them (with the exception of Linux
+ * on hppa, see below), between SIGRTMIN+0 ... SIGRTMIN+30
+ * (aka SIGRTMAX). */
+ assert_se(sigemptyset(&mask) == 0);
sigset_add_many(&mask,
SIGCHLD, /* Child died */
SIGTERM, /* Reexecute daemon */
SIGINT, /* Kernel sends us this on control-alt-del */
SIGWINCH, /* Kernel sends us this on kbrequest (alt-arrowup) */
SIGPWR, /* Some kernel drivers and upsd send us this on power failure */
+
SIGRTMIN+0, /* systemd: start default.target */
SIGRTMIN+1, /* systemd: isolate rescue.target */
SIGRTMIN+2, /* systemd: isolate emergency.target */
SIGRTMIN+4, /* systemd: start poweroff.target */
SIGRTMIN+5, /* systemd: start reboot.target */
SIGRTMIN+6, /* systemd: start kexec.target */
+
+ /* ... space for more special targets ... */
+
SIGRTMIN+13, /* systemd: Immediate halt */
SIGRTMIN+14, /* systemd: Immediate poweroff */
SIGRTMIN+15, /* systemd: Immediate reboot */
SIGRTMIN+16, /* systemd: Immediate kexec */
+
+ /* ... space for more immediate system state changes ... */
+
SIGRTMIN+20, /* systemd: enable status messages */
SIGRTMIN+21, /* systemd: disable status messages */
SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */
SIGRTMIN+23, /* systemd: set log level to LOG_INFO */
SIGRTMIN+24, /* systemd: Immediate exit (--user only) */
+
+ /* .. one free signal here ... */
+
+#if !defined(__hppa64__) && !defined(__hppa__)
+ /* Apparently Linux on hppa has fewer RT
+ * signals (SIGRTMAX is SIGRTMIN+25 there),
+ * hence let's not try to make use of them
+ * here. Since these commands are accessible
+ * by different means and only really a safety
+ * net, the missing functionality on hppa
+ * shouldn't matter. */
+
SIGRTMIN+26, /* systemd: set log target to journal-or-kmsg */
SIGRTMIN+27, /* systemd: set log target to console */
SIGRTMIN+28, /* systemd: set log target to kmsg */
- SIGRTMIN+29, /* systemd: set log target to syslog-or-kmsg */
+ SIGRTMIN+29, /* systemd: set log target to syslog-or-kmsg (obsolete) */
+
+ /* ... one free signal here SIGRTMIN+30 ... */
+#endif
-1);
assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
return r;
/* Process signals a bit earlier than the rest of things, but
- * later that notify_fd processing, so that the notify
+ * later than notify_fd processing, so that the notify
* processing can still figure out to which process/service a
* message belongs, before we reap the process. */
r = sd_event_source_set_priority(m->signal_event_source, -5);
return 0;
}
-int manager_new(SystemdRunningAs running_as, Manager **_m) {
+int manager_new(SystemdRunningAs running_as, bool test_run, Manager **_m) {
Manager *m;
int r;
return -ENOMEM;
#ifdef ENABLE_EFI
- if (detect_container(NULL) <= 0)
+ if (running_as == SYSTEMD_SYSTEM && detect_container(NULL) <= 0)
boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
#endif
m->running_as = running_as;
m->exit_code = _MANAGER_EXIT_CODE_INVALID;
+ m->default_timer_accuracy_usec = USEC_PER_MINUTE;
m->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -1;
- m->pin_cgroupfs_fd = m->notify_fd = m->signal_fd = m->time_change_fd = m->dev_autofs_fd = m->private_listen_fd = m->kdbus_fd = -1;
+ m->pin_cgroupfs_fd = m->notify_fd = m->signal_fd = m->time_change_fd = m->dev_autofs_fd = m->private_listen_fd = m->kdbus_fd = m->utab_inotify_fd = -1;
m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
+ m->ask_password_inotify_fd = -1;
+ m->have_ask_password = -EINVAL; /* we don't know */
+
+ m->test_run = test_run;
+
r = manager_default_environment(m);
if (r < 0)
goto fail;
- r = hashmap_ensure_allocated(&m->units, string_hash_func, string_compare_func);
+ r = hashmap_ensure_allocated(&m->units, &string_hash_ops);
+ if (r < 0)
+ goto fail;
+
+ r = hashmap_ensure_allocated(&m->jobs, NULL);
if (r < 0)
goto fail;
- r = hashmap_ensure_allocated(&m->jobs, trivial_hash_func, trivial_compare_func);
+ r = hashmap_ensure_allocated(&m->cgroup_unit, &string_hash_ops);
if (r < 0)
goto fail;
- r = hashmap_ensure_allocated(&m->cgroup_unit, string_hash_func, string_compare_func);
+ r = hashmap_ensure_allocated(&m->watch_bus, &string_hash_ops);
if (r < 0)
goto fail;
- r = hashmap_ensure_allocated(&m->watch_bus, string_hash_func, string_compare_func);
+ r = set_ensure_allocated(&m->startup_units, NULL);
if (r < 0)
goto fail;
- r = set_ensure_allocated(&m->failed_units, trivial_hash_func, trivial_compare_func);
+ r = set_ensure_allocated(&m->failed_units, NULL);
if (r < 0)
goto fail;
}
static int manager_setup_notify(Manager *m) {
- union {
- struct sockaddr sa;
- struct sockaddr_un un;
- } sa = {
- .sa.sa_family = AF_UNIX,
- };
- int one = 1, r;
+ int r;
+
+ if (m->test_run)
+ return 0;
if (m->notify_fd < 0) {
_cleanup_close_ int fd = -1;
+ union sockaddr_union sa = {
+ .sa.sa_family = AF_UNIX,
+ };
+ static const int one = 1;
/* First free all secondary fields */
free(m->notify_socket);
m->notify_event_source = sd_event_source_unref(m->notify_event_source);
fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
- if (fd < 0) {
- log_error("Failed to allocate notification socket: %m");
- return -errno;
- }
+ if (fd < 0)
+ return log_error_errno(errno, "Failed to allocate notification socket: %m");
- if (getpid() != 1 || detect_container(NULL) > 0)
- snprintf(sa.un.sun_path, sizeof(sa.un.sun_path), NOTIFY_SOCKET "/%" PRIx64, random_u64());
- else
- strncpy(sa.un.sun_path, NOTIFY_SOCKET, sizeof(sa.un.sun_path));
- sa.un.sun_path[0] = 0;
+ if (m->running_as == SYSTEMD_SYSTEM)
+ m->notify_socket = strdup("/run/systemd/notify");
+ else {
+ const char *e;
- r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1));
- if (r < 0) {
- log_error("bind() failed: %m");
- return -errno;
- }
+ e = getenv("XDG_RUNTIME_DIR");
+ if (!e) {
+ log_error_errno(errno, "XDG_RUNTIME_DIR is not set: %m");
+ return -EINVAL;
+ }
- r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
- if (r < 0) {
- log_error("SO_PASSCRED failed: %m");
- return -errno;
+ m->notify_socket = strappend(e, "/systemd/notify");
}
-
- sa.un.sun_path[0] = '@';
- m->notify_socket = strdup(sa.un.sun_path);
if (!m->notify_socket)
return log_oom();
+ (void) mkdir_parents_label(m->notify_socket, 0755);
+ (void) unlink(m->notify_socket);
+
+ strncpy(sa.un.sun_path, m->notify_socket, sizeof(sa.un.sun_path)-1);
+ r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path));
+ if (r < 0)
+ return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);
+
+ r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
+ if (r < 0)
+ return log_error_errno(errno, "SO_PASSCRED failed: %m");
+
m->notify_fd = fd;
fd = -1;
if (!m->notify_event_source) {
r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_dispatch_notify_fd, m);
- if (r < 0) {
- log_error("Failed to allocate notify event source: %s", strerror(-r));
- return -errno;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate notify event source: %m");
/* Process signals a bit earlier than SIGCHLD, so that we can
* still identify to which service an exit message belongs */
r = sd_event_source_set_priority(m->notify_event_source, -7);
- if (r < 0) {
- log_error("Failed to set priority of notify event source: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to set priority of notify event source: %m");
}
return 0;
static int manager_setup_kdbus(Manager *m) {
#ifdef ENABLE_KDBUS
_cleanup_free_ char *p = NULL;
-#endif
-#ifdef ENABLE_KDBUS
assert(m);
- if (m->kdbus_fd >= 0)
+ if (m->test_run || m->kdbus_fd >= 0)
return 0;
- m->kdbus_fd = bus_kernel_create_bus(m->running_as == SYSTEMD_SYSTEM ? "system" : "user", m->running_as == SYSTEMD_SYSTEM, &p);
- if (m->kdbus_fd < 0) {
- log_debug("Failed to set up kdbus: %s", strerror(-m->kdbus_fd));
- return m->kdbus_fd;
- }
+ if (getpid() == 1)
+ bus_kernel_fix_attach_mask();
- log_debug("Successfully set up kdbus on %s", p);
+ m->kdbus_fd = bus_kernel_create_bus(
+ m->running_as == SYSTEMD_SYSTEM ? "system" : "user",
+ m->running_as == SYSTEMD_SYSTEM, &p);
- /* Create the namespace directory here, so that the contents
- * of that directory is not visible to non-root users. This is
- * necessary to ensure that users cannot get access to busses
- * of virtualized users when no UID namespacing is used. */
- if (m->running_as == SYSTEMD_SYSTEM)
- mkdir_p_label("/dev/kdbus/domain", 0700);
+ if (m->kdbus_fd < 0)
+ return log_debug_errno(m->kdbus_fd, "Failed to set up kdbus: %m");
+
+ log_debug("Successfully set up kdbus on %s", p);
#endif
return 0;
assert(m);
+ if (m->test_run)
+ return 0;
+
try_bus_connect =
m->kdbus_fd >= 0 ||
reexecuting ||
if (u->gc_marker == gc_marker + GC_OFFSET_BAD ||
u->gc_marker == gc_marker + GC_OFFSET_UNSURE) {
- log_debug_unit(u->id, "Collecting %s", u->id);
+ log_unit_debug(u->id, "Collecting %s", u->id);
u->gc_marker = gc_marker + GC_OFFSET_BAD;
unit_add_to_cleanup_queue(u);
}
m->n_running_jobs = 0;
}
-void manager_free(Manager *m) {
+Manager* manager_free(Manager *m) {
UnitType c;
int i;
- assert(m);
+ if (!m)
+ return NULL;
manager_clear_jobs_and_units(m);
hashmap_free(m->watch_pids2);
hashmap_free(m->watch_bus);
+ set_free(m->startup_units);
set_free(m->failed_units);
sd_event_source_unref(m->signal_event_source);
sd_event_source_unref(m->idle_pipe_event_source);
sd_event_source_unref(m->run_queue_event_source);
- if (m->signal_fd >= 0)
- close_nointr_nofail(m->signal_fd);
- if (m->notify_fd >= 0)
- close_nointr_nofail(m->notify_fd);
- if (m->time_change_fd >= 0)
- close_nointr_nofail(m->time_change_fd);
- if (m->kdbus_fd >= 0)
- close_nointr_nofail(m->kdbus_fd);
+ safe_close(m->signal_fd);
+ safe_close(m->notify_fd);
+ safe_close(m->time_change_fd);
+ safe_close(m->kdbus_fd);
+
+ manager_close_ask_password(m);
manager_close_idle_pipe(m);
hashmap_free(m->units_requiring_mounts_for);
free(m);
+ return NULL;
}
int manager_enumerate(Manager *m) {
static void manager_build_unit_path_cache(Manager *m) {
char **i;
- _cleanup_free_ DIR *d = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
int r;
assert(m);
set_free_free(m->unit_path_cache);
- m->unit_path_cache = set_new(string_hash_func, string_compare_func);
+ m->unit_path_cache = set_new(&string_hash_ops);
if (!m->unit_path_cache) {
log_error("Failed to allocate unit path cache.");
return;
d = opendir(*i);
if (!d) {
if (errno != ENOENT)
- log_error("Failed to open directory %s: %m", *i);
+ log_error_errno(errno, "Failed to open directory %s: %m", *i);
continue;
}
return;
fail:
- log_error("Failed to build unit path cache: %s", strerror(-r));
+ log_error_errno(r, "Failed to build unit path cache: %m");
set_free_free(m->unit_path_cache);
m->unit_path_cache = NULL;
r = lookup_paths_init(
&m->lookup_paths, m->running_as, true,
+ NULL,
m->generator_unit_path,
m->generator_unit_path_early,
m->generator_unit_path_late);
dual_timestamp_get(&m->units_load_finish_timestamp);
/* Second, deserialize if there is something to deserialize */
- if (serialization) {
- q = manager_deserialize(m, serialization, fds);
- if (q < 0)
- r = q;
- }
+ if (serialization)
+ r = manager_deserialize(m, serialization, fds);
/* Any fds left? Find some unit which wants them. This is
* useful to allow container managers to pass some file
* socket-based activation of entire containers. */
if (fdset_size(fds) > 0) {
q = manager_distribute_fds(m, fds);
- if (q < 0)
+ if (q < 0 && r == 0)
r = q;
}
/* We might have deserialized the notify fd, but if we didn't
* then let's create the bus now */
- manager_setup_notify(m);
+ q = manager_setup_notify(m);
+ if (q < 0 && r == 0)
+ r = q;
/* We might have deserialized the kdbus control fd, but if we
* didn't, then let's create the bus now. */
/* Third, fire things up! */
q = manager_coldplug(m);
- if (q < 0)
+ if (q < 0 && r == 0)
r = q;
if (serialization) {
assert(unit);
assert(mode < _JOB_MODE_MAX);
- if (mode == JOB_ISOLATE && type != JOB_START) {
- sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start.");
- return -EINVAL;
- }
+ if (mode == JOB_ISOLATE && type != JOB_START)
+ return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start.");
- if (mode == JOB_ISOLATE && !unit->allow_isolate) {
- sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
- return -EPERM;
- }
+ if (mode == JOB_ISOLATE && !unit->allow_isolate)
+ return sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
- log_debug_unit(unit->id,
+ log_unit_debug(unit->id,
"Trying to enqueue job %s/%s/%s", unit->id,
job_type_to_string(type), job_mode_to_string(mode));
if (r < 0)
goto tr_abort;
- log_debug_unit(unit->id,
+ log_unit_debug(unit->id,
"Enqueued job %s/%s as %u", unit->id,
job_type_to_string(type), (unsigned) tr->anchor_job->id);
return;
}
- log_debug_unit(u->id, "Got notification message for unit %s", u->id);
+ log_unit_debug(u->id, "Got notification message for unit %s", u->id);
if (UNIT_VTABLE(u)->notify_message)
UNIT_VTABLE(u)->notify_message(u, pid, tags);
.msg_controllen = sizeof(control),
};
struct ucred *ucred;
- Unit *u;
+ Unit *u1, *u2, *u3;
n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT);
if (n <= 0) {
assert((size_t) n < sizeof(buf));
buf[n] = 0;
- u = manager_get_unit_by_pid(m, ucred->pid);
- if (u) {
- manager_invoke_notify_message(m, u, ucred->pid, buf, n);
+ /* Notify every unit that might be interested, but try
+ * to avoid notifying the same one multiple times. */
+ u1 = manager_get_unit_by_pid(m, ucred->pid);
+ if (u1) {
+ manager_invoke_notify_message(m, u1, ucred->pid, buf, n);
found = true;
}
- u = hashmap_get(m->watch_pids1, LONG_TO_PTR(ucred->pid));
- if (u) {
- manager_invoke_notify_message(m, u, ucred->pid, buf, n);
+ u2 = hashmap_get(m->watch_pids1, LONG_TO_PTR(ucred->pid));
+ if (u2 && u2 != u1) {
+ manager_invoke_notify_message(m, u2, ucred->pid, buf, n);
found = true;
}
- u = hashmap_get(m->watch_pids2, LONG_TO_PTR(ucred->pid));
- if (u) {
- manager_invoke_notify_message(m, u, ucred->pid, buf, n);
+ u3 = hashmap_get(m->watch_pids2, LONG_TO_PTR(ucred->pid));
+ if (u3 && u3 != u2 && u3 != u1) {
+ manager_invoke_notify_message(m, u3, ucred->pid, buf, n);
found = true;
}
assert(u);
assert(si);
- log_debug_unit(u->id, "Child "PID_FMT" belongs to %s", si->si_pid, u->id);
+ log_unit_debug(u->id, "Child "PID_FMT" belongs to %s", si->si_pid, u->id);
unit_unwatch_pid(u, si->si_pid);
UNIT_VTABLE(u)->sigchld_event(u, si->si_pid, si->si_code, si->si_status);
if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) {
_cleanup_free_ char *name = NULL;
- Unit *u;
+ Unit *u1, *u2, *u3;
get_process_comm(si.si_pid, &name);
/* And now figure out the unit this belongs
* to, it might be multiple... */
- u = manager_get_unit_by_pid(m, si.si_pid);
- if (u)
- invoke_sigchld_event(m, u, &si);
- u = hashmap_get(m->watch_pids1, LONG_TO_PTR(si.si_pid));
- if (u)
- invoke_sigchld_event(m, u, &si);
- u = hashmap_get(m->watch_pids2, LONG_TO_PTR(si.si_pid));
- if (u)
- invoke_sigchld_event(m, u, &si);
+ u1 = manager_get_unit_by_pid(m, si.si_pid);
+ if (u1)
+ invoke_sigchld_event(m, u1, &si);
+ u2 = hashmap_get(m->watch_pids1, LONG_TO_PTR(si.si_pid));
+ if (u2 && u2 != u1)
+ invoke_sigchld_event(m, u2, &si);
+ u3 = hashmap_get(m->watch_pids2, LONG_TO_PTR(si.si_pid));
+ if (u3 && u3 != u2 && u3 != u1)
+ invoke_sigchld_event(m, u3, &si);
}
/* And now, we actually reap the zombie. */
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
- log_debug_unit(name, "Activating special unit %s", name);
+ log_unit_debug(name, "Activating special unit %s", name);
r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL);
if (r < 0)
- log_error_unit(name, "Failed to enqueue %s job: %s", name, bus_error_message(&error, r));
+ log_unit_error(name, "Failed to enqueue %s job: %s", name, bus_error_message(&error, r));
return r;
}
break;
case 26:
+ case 29: /* compatibility: used to be mapped to LOG_TARGET_SYSLOG_OR_KMSG */
log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
log_notice("Setting log target to journal-or-kmsg.");
break;
log_notice("Setting log target to kmsg.");
break;
- case 29:
- log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
- log_notice("Setting log target to syslog-or-kmsg.");
- break;
-
default:
log_warning("Got unhandled signal <%s>.", signal_to_string(sfsi.ssi_signo));
}
assert(m->time_change_fd == fd);
log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
- "MESSAGE=Time has been changed",
+ LOG_MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
+ LOG_MESSAGE("Time has been changed"),
NULL);
/* Restart the watch */
m->time_change_event_source = sd_event_source_unref(m->time_change_event_source);
-
- close_nointr_nofail(m->time_change_fd);
- m->time_change_fd = -1;
+ m->time_change_fd = safe_close(m->time_change_fd);
manager_setup_time_change(m);
if (wait_usec <= 0)
wait_usec = 1;
} else
- wait_usec = (usec_t) -1;
+ wait_usec = USEC_INFINITY;
r = sd_event_run(m->event, wait_usec);
- if (r < 0) {
- log_error("Failed to run event loop: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to run event loop: %m");
}
return m->exit_code;
#ifdef HAVE_AUDIT
_cleanup_free_ char *p = NULL;
+ const char *msg;
int audit_fd;
audit_fd = get_audit_fd();
p = unit_name_to_prefix_and_instance(u->id);
if (!p) {
- log_error_unit(u->id,
- "Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
+ log_oom();
return;
}
- if (audit_log_user_comm_message(audit_fd, type, "", p, NULL, NULL, NULL, success) < 0) {
- if (errno == EPERM) {
+ msg = strappenda("unit=", p);
+
+ if (audit_log_user_comm_message(audit_fd, type, msg, "systemd", NULL, NULL, NULL, success) < 0) {
+ if (errno == EPERM)
/* We aren't allowed to send audit messages?
* Then let's not retry again. */
close_audit_fd();
- } else
- log_warning("Failed to send audit message: %m");
+ else
+ log_warning_errno(errno, "Failed to send audit message: %m");
}
#endif
}
void manager_send_unit_plymouth(Manager *m, Unit *u) {
- union sockaddr_union sa = {
- .un.sun_family = AF_UNIX,
- .un.sun_path = "\0/org/freedesktop/plymouthd",
- };
+ union sockaddr_union sa = PLYMOUTH_SOCKET;
int n = 0;
_cleanup_free_ char *message = NULL;
* message then wait for plymouth */
fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (fd < 0) {
- log_error("socket() failed: %m");
+ log_error_errno(errno, "socket() failed: %m");
return;
}
if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) {
if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED))
- log_error("connect() failed: %m");
+ log_error_errno(errno, "connect() failed: %m");
return;
}
errno = 0;
if (write(fd, message, n + 1) != n + 1)
if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED))
- log_error("Failed to write Plymouth message: %m");
+ log_error_errno(errno, "Failed to write Plymouth message: %m");
}
void manager_dispatch_bus_name_owner_changed(
f = fdopen(fd, "w+");
if (!f) {
- close_nointr_nofail(fd);
+ safe_close(fd);
return -errno;
}
if (u->id != t)
continue;
- if (!unit_can_serialize(u))
- continue;
-
/* Start marker */
fputs(u->id, f);
fputc('\n', f);
if (safe_atoi(l + 10, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
log_debug("Failed to parse notify fd: %s", l + 10);
else {
- if (m->notify_fd >= 0) {
- m->notify_event_source = sd_event_source_unref(m->notify_event_source);
- close_nointr_nofail(m->notify_fd);
- }
-
+ m->notify_event_source = sd_event_source_unref(m->notify_event_source);
+ safe_close(m->notify_fd);
m->notify_fd = fdset_remove(fds, fd);
}
if (safe_atoi(l + 9, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
log_debug("Failed to parse kdbus fd: %s", l + 9);
else {
- if (m->kdbus_fd >= 0)
- close_nointr_nofail(m->kdbus_fd);
-
+ safe_close(m->kdbus_fd);
m->kdbus_fd = fdset_remove(fds, fd);
}
- } else if (bus_track_deserialize_item(&m->deserialized_subscribed, l) == 0)
- log_debug("Unknown serialization item '%s'", l);
+ } else {
+ int k;
+
+ k = bus_track_deserialize_item(&m->deserialized_subscribed, l);
+ if (k < 0)
+ log_debug_errno(k, "Failed to deserialize bus tracker object: %m");
+ else if (k == 0)
+ log_debug("Unknown serialization item '%s'", l);
+ }
}
for (;;) {
q = lookup_paths_init(
&m->lookup_paths, m->running_as, true,
+ NULL,
m->generator_unit_path,
m->generator_unit_path_early,
m->generator_unit_path_late);
return r;
}
-static bool manager_is_booting_or_shutting_down(Manager *m) {
- Unit *u;
-
- assert(m);
-
- /* Is the initial job still around? */
- if (manager_get_job(m, m->default_unit_job_id))
- return true;
-
- /* Is there a job for the shutdown target? */
- u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET);
- if (u)
- return !!u->job;
-
- return false;
-}
-
bool manager_is_reloading_or_reexecuting(Manager *m) {
assert(m);
return unit_inactive_or_pending(u);
}
-void manager_check_finished(Manager *m) {
+static void manager_notify_finished(Manager *m) {
char userspace[FORMAT_TIMESPAN_MAX], initrd[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX];
usec_t firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec;
- assert(m);
-
- if (m->n_running_jobs == 0)
- m->jobs_in_progress_event_source = sd_event_source_unref(m->jobs_in_progress_event_source);
-
- if (hashmap_size(m->jobs) > 0) {
-
- if (m->jobs_in_progress_event_source) {
- sd_event_source_set_time(m->jobs_in_progress_event_source,
- now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC);
- }
-
- return;
- }
-
- manager_flip_auto_status(m, false);
-
- /* Notify Type=idle units that we are done now */
- m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
- manager_close_idle_pipe(m);
-
- /* Turn off confirm spawn now */
- m->confirm_spawn = false;
-
- if (dual_timestamp_is_set(&m->finish_timestamp))
+ if (m->test_run)
return;
- dual_timestamp_get(&m->finish_timestamp);
-
if (m->running_as == SYSTEMD_SYSTEM && detect_container(NULL) <= 0) {
/* Note that m->kernel_usec.monotonic is always at 0,
kernel_usec = m->initrd_timestamp.monotonic - m->kernel_timestamp.monotonic;
initrd_usec = m->userspace_timestamp.monotonic - m->initrd_timestamp.monotonic;
- if (!log_on_console())
- log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
- "KERNEL_USEC="USEC_FMT, kernel_usec,
- "INITRD_USEC="USEC_FMT, initrd_usec,
- "USERSPACE_USEC="USEC_FMT, userspace_usec,
- "MESSAGE=Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
- format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
- format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC),
- format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
- format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
- NULL);
+ log_struct(LOG_INFO,
+ LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
+ "KERNEL_USEC="USEC_FMT, kernel_usec,
+ "INITRD_USEC="USEC_FMT, initrd_usec,
+ "USERSPACE_USEC="USEC_FMT, userspace_usec,
+ LOG_MESSAGE("Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
+ format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
+ format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC),
+ format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
+ format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)),
+ NULL);
} else {
kernel_usec = m->userspace_timestamp.monotonic - m->kernel_timestamp.monotonic;
initrd_usec = 0;
- if (!log_on_console())
- log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
- "KERNEL_USEC="USEC_FMT, kernel_usec,
- "USERSPACE_USEC="USEC_FMT, userspace_usec,
- "MESSAGE=Startup finished in %s (kernel) + %s (userspace) = %s.",
- format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
- format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
- format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
- NULL);
+ log_struct(LOG_INFO,
+ LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
+ "KERNEL_USEC="USEC_FMT, kernel_usec,
+ "USERSPACE_USEC="USEC_FMT, userspace_usec,
+ LOG_MESSAGE("Startup finished in %s (kernel) + %s (userspace) = %s.",
+ format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
+ format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
+ format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)),
+ NULL);
}
} else {
firmware_usec = loader_usec = initrd_usec = kernel_usec = 0;
total_usec = userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic;
- if (!log_on_console())
- log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
- "USERSPACE_USEC="USEC_FMT, userspace_usec,
- "MESSAGE=Startup finished in %s.",
- format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC),
- NULL);
+ log_struct(LOG_INFO,
+ LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
+ "USERSPACE_USEC="USEC_FMT, userspace_usec,
+ LOG_MESSAGE("Startup finished in %s.",
+ format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)),
+ NULL);
}
bus_manager_send_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec);
sd_notifyf(false,
- "READY=1\nSTATUS=Startup finished in %s.",
+ "READY=1\n"
+ "STATUS=Startup finished in %s.",
format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC));
}
+void manager_check_finished(Manager *m) {
+ Unit *u = NULL;
+ Iterator i;
+
+ assert(m);
+
+ if (m->n_running_jobs == 0)
+ m->jobs_in_progress_event_source = sd_event_source_unref(m->jobs_in_progress_event_source);
+
+ if (hashmap_size(m->jobs) > 0) {
+
+ if (m->jobs_in_progress_event_source)
+ sd_event_source_set_time(m->jobs_in_progress_event_source, now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC);
+
+ return;
+ }
+
+ manager_flip_auto_status(m, false);
+
+ /* Notify Type=idle units that we are done now */
+ m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
+ manager_close_idle_pipe(m);
+
+ /* Turn off confirm spawn now */
+ m->confirm_spawn = false;
+
+ /* No need to update ask password status when we're going non-interactive */
+ manager_close_ask_password(m);
+
+ /* This is no longer the first boot */
+ manager_set_first_boot(m, false);
+
+ if (dual_timestamp_is_set(&m->finish_timestamp))
+ return;
+
+ dual_timestamp_get(&m->finish_timestamp);
+
+ manager_notify_finished(m);
+
+ SET_FOREACH(u, m->startup_units, i)
+ if (u->cgroup_path)
+ cgroup_context_apply(unit_get_cgroup_context(u), unit_get_cgroup_mask(u), u->cgroup_path, manager_state(m));
+}
+
static int create_generator_dir(Manager *m, char **generator, const char *name) {
char *p;
int r;
r = mkdir_p_label(p, 0755);
if (r < 0) {
- log_error("Failed to create generator directory %s: %s",
- p, strerror(-r));
+ log_error_errno(r, "Failed to create generator directory %s: %m", p);
free(p);
return r;
}
r = mkdir_p_label(p, 0755);
if (r < 0) {
- log_error("Failed to create generator directory %s: %s",
- p, strerror(-r));
+ log_error_errno(r, "Failed to create generator directory %s: %m", p);
free(p);
return r;
}
return log_oom();
if (!mkdtemp(p)) {
- log_error("Failed to create generator directory %s: %m",
+ log_error_errno(errno, "Failed to create generator directory %s: %m",
p);
free(p);
return -errno;
assert(m);
+ if (m->test_run)
+ return;
+
generator_path = m->running_as == SYSTEMD_SYSTEM ? SYSTEM_GENERATOR_PATH : USER_GENERATOR_PATH;
d = opendir(generator_path);
if (!d) {
if (errno == ENOENT)
return;
- log_error("Failed to enumerate generator directory %s: %m",
+ log_error_errno(errno, "Failed to enumerate generator directory %s: %m",
generator_path);
return;
}
if (!strv_isempty(plus)) {
b = strv_env_merge(2, l, plus);
- if (!b)
+ if (!b) {
+ strv_free(a);
return -ENOMEM;
+ }
l = b;
}
unlink("/run/systemd/show-status");
}
-static bool manager_get_show_status(Manager *m) {
+static bool manager_get_show_status(Manager *m, StatusType type) {
assert(m);
if (m->running_as != SYSTEMD_SYSTEM)
if (m->no_console_output)
return false;
+ if (!IN_SET(manager_state(m), MANAGER_INITIALIZING, MANAGER_STARTING, MANAGER_STOPPING))
+ return false;
+
+ /* If we cannot find out the status properly, just proceed. */
+ if (type != STATUS_TYPE_EMERGENCY && manager_check_ask_password(m) > 0)
+ return false;
+
if (m->show_status > 0)
return true;
/* If Plymouth is running make sure we show the status, so
* that there's something nice to see when people press Esc */
-
return plymouth_running();
}
-void manager_status_printf(Manager *m, bool ephemeral, const char *status, const char *format, ...) {
+void manager_set_first_boot(Manager *m, bool b) {
+ assert(m);
+
+ if (m->running_as != SYSTEMD_SYSTEM)
+ return;
+
+ m->first_boot = b;
+
+ if (m->first_boot)
+ touch("/run/systemd/first-boot");
+ else
+ unlink("/run/systemd/first-boot");
+}
+
+void manager_status_printf(Manager *m, StatusType type, const char *status, const char *format, ...) {
va_list ap;
- if (!manager_get_show_status(m))
+ /* If m is NULL, assume we're after shutdown and let the messages through. */
+
+ if (m && !manager_get_show_status(m, type))
return;
/* XXX We should totally drop the check for ephemeral here
* and thus effectively make 'Type=idle' pointless. */
- if (ephemeral && m->n_on_console > 0)
- return;
-
- if (!manager_is_booting_or_shutting_down(m))
+ if (type == STATUS_TYPE_EPHEMERAL && m && m->n_on_console > 0)
return;
va_start(ap, format);
- status_vprintf(status, true, ephemeral, format, ap);
+ status_vprintf(status, true, type == STATUS_TYPE_EPHEMERAL, format, ap);
va_end(ap);
}
assert(m);
/* Did we ever finish booting? If not then we are still starting up */
- if (!dual_timestamp_is_set(&m->finish_timestamp))
+ if (!dual_timestamp_is_set(&m->finish_timestamp)) {
+
+ u = manager_get_unit(m, SPECIAL_BASIC_TARGET);
+ if (!u || !UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u)))
+ return MANAGER_INITIALIZING;
+
return MANAGER_STARTING;
+ }
/* Is the special shutdown target queued? If so, we are in shutdown state */
u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET);
}
static const char *const manager_state_table[_MANAGER_STATE_MAX] = {
+ [MANAGER_INITIALIZING] = "initializing",
[MANAGER_STARTING] = "starting",
[MANAGER_RUNNING] = "running",
[MANAGER_DEGRADED] = "degraded",