#include <signal.h>
#include <dirent.h>
#include <unistd.h>
-#include <sys/reboot.h>
-#include <linux/reboot.h>
-#include <sys/syscall.h>
#include "async.h"
#include "manager.h"
#include "fileio.h"
#include "bus-error.h"
#include "bus-util.h"
+#include "bus-kernel.h"
static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
[SERVICE_DEAD] = UNIT_INACTIVE,
[SERVICE_EXITED] = UNIT_ACTIVE,
[SERVICE_RELOAD] = UNIT_RELOADING,
[SERVICE_STOP] = UNIT_DEACTIVATING,
+ [SERVICE_STOP_SIGABRT] = UNIT_DEACTIVATING,
[SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
[SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
[SERVICE_STOP_POST] = UNIT_DEACTIVATING,
[SERVICE_EXITED] = UNIT_ACTIVE,
[SERVICE_RELOAD] = UNIT_RELOADING,
[SERVICE_STOP] = UNIT_DEACTIVATING,
+ [SERVICE_STOP_SIGABRT] = UNIT_DEACTIVATING,
[SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
[SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
[SERVICE_STOP_POST] = UNIT_DEACTIVATING,
s->restart_usec = u->manager->default_restart_usec;
s->type = _SERVICE_TYPE_INVALID;
s->socket_fd = -1;
+ s->bus_endpoint_fd = -1;
s->guess_main_pid = true;
RATELIMIT_INIT(s->start_limit, u->manager->default_start_limit_interval, u->manager->default_start_limit_burst);
s->bus_name = NULL;
}
+ s->bus_endpoint_fd = safe_close(s->bus_endpoint_fd);
service_close_socket_fd(s);
service_connection_unref(s);
SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
SERVICE_RELOAD,
SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
- SERVICE_STOP_POST,
+ SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL,
SERVICE_AUTO_RESTART))
s->timer_event_source = sd_event_source_unref(s->timer_event_source);
SERVICE_START, SERVICE_START_POST,
SERVICE_RUNNING, SERVICE_RELOAD,
SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
- SERVICE_STOP_POST,
+ SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
service_unwatch_main_pid(s);
s->main_command = NULL;
SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
SERVICE_RELOAD,
SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
- SERVICE_STOP_POST,
+ SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
service_unwatch_control_pid(s);
s->control_command = NULL;
SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
SERVICE_RUNNING, SERVICE_RELOAD,
SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST,
- SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL) &&
+ SERVICE_STOP_SIGABRT, SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL) &&
!(state == SERVICE_DEAD && UNIT(s)->job)) {
service_close_socket_fd(s);
service_connection_unref(s);
SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
SERVICE_RELOAD,
SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
- SERVICE_STOP_POST,
+ SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
usec_t k;
SERVICE_START, SERVICE_START_POST,
SERVICE_RUNNING, SERVICE_RELOAD,
SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
- SERVICE_STOP_POST,
+ SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL))) {
r = unit_watch_pid(UNIT(s), s->main_pid);
if (r < 0)
SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
SERVICE_RELOAD,
SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
- SERVICE_STOP_POST,
+ SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
r = unit_watch_pid(UNIT(s), s->control_pid);
if (r < 0)
bool apply_permissions,
bool apply_chroot,
bool apply_tty_stdin,
- bool set_notify_socket,
bool is_control,
pid_t *_pid) {
int *fds = NULL;
_cleanup_free_ int *fdsbuf = NULL;
unsigned n_fds = 0, n_env = 0;
+ _cleanup_free_ char *bus_endpoint_path = NULL;
_cleanup_strv_free_ char
**argv = NULL, **final_env = NULL, **our_env = NULL;
const char *path;
+ ExecParameters exec_params = {
+ .apply_permissions = apply_permissions,
+ .apply_chroot = apply_chroot,
+ .apply_tty_stdin = apply_tty_stdin,
+ .bus_endpoint_fd = -1,
+ .selinux_context_net = s->socket_fd_selinux_context_net
+ };
assert(s);
assert(c);
goto fail;
}
- if (set_notify_socket)
+ if (is_control ? s->notify_access == NOTIFY_ALL : s->notify_access != NOTIFY_NONE)
if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) {
r = -ENOMEM;
goto fail;
} else
path = UNIT(s)->cgroup_path;
+#ifdef ENABLE_KDBUS
+ if (s->exec_context.bus_endpoint) {
+ r = bus_kernel_create_endpoint(UNIT(s)->manager->running_as == SYSTEMD_SYSTEM ? "system" : "user",
+ UNIT(s)->id, &bus_endpoint_path);
+ if (r < 0)
+ goto fail;
+
+ /* Pass the fd to the exec_params so that the child process can upload the policy.
+ * Keep a reference to the fd in the service, so the endpoint is kept alive as long
+ * as the service is running. */
+ exec_params.bus_endpoint_fd = s->bus_endpoint_fd = r;
+ }
+#endif
+
+ exec_params.argv = argv;
+ exec_params.fds = fds;
+ exec_params.n_fds = n_fds;
+ exec_params.environment = final_env;
+ exec_params.confirm_spawn = UNIT(s)->manager->confirm_spawn;
+ exec_params.cgroup_supported = UNIT(s)->manager->cgroup_supported;
+ exec_params.cgroup_path = path;
+ exec_params.runtime_prefix = manager_get_runtime_prefix(UNIT(s)->manager);
+ exec_params.unit_id = UNIT(s)->id;
+ exec_params.watchdog_usec = s->watchdog_usec;
+ exec_params.bus_endpoint_path = bus_endpoint_path;
+ if (s->type == SERVICE_IDLE)
+ exec_params.idle_pipe = UNIT(s)->manager->idle_pipe;
+
r = exec_spawn(c,
- argv,
&s->exec_context,
- fds, n_fds,
- final_env,
- apply_permissions,
- apply_chroot,
- apply_tty_stdin,
- UNIT(s)->manager->confirm_spawn,
- UNIT(s)->manager->cgroup_supported,
- path,
- manager_get_runtime_prefix(UNIT(s)->manager),
- UNIT(s)->id,
- s->watchdog_usec,
- s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL,
+ &exec_params,
s->exec_runtime,
&pid);
if (r < 0)
return !r;
}
-static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none);
-
static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) {
int r;
assert(s);
service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD);
- if (s->result != SERVICE_SUCCESS)
- service_execute_action(s, s->failure_action, "failed", false);
+ if (s->result != SERVICE_SUCCESS) {
+ log_warning_unit(UNIT(s)->id, "%s failed.", UNIT(s)->id);
+ failure_action(UNIT(s)->manager, s->failure_action, s->reboot_arg);
+ }
if (allow_restart &&
!s->forbid_restart &&
!s->permissions_start_only,
!s->root_directory_start_only,
true,
- false,
true,
&s->control_pid);
if (r < 0)
r = unit_kill_context(
UNIT(s),
&s->kill_context,
- state != SERVICE_STOP_SIGTERM && state != SERVICE_FINAL_SIGTERM,
+ (state != SERVICE_STOP_SIGTERM && state != SERVICE_FINAL_SIGTERM && state != SERVICE_STOP_SIGABRT) ?
+ KILL_KILL : (state == SERVICE_STOP_SIGABRT ? KILL_ABORT : KILL_TERMINATE),
s->main_pid,
s->control_pid,
s->main_pid_alien);
}
service_set_state(s, state);
- } else if (state == SERVICE_STOP_SIGTERM)
+ } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGABRT)
service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_SUCCESS);
else if (state == SERVICE_STOP_SIGKILL)
service_enter_stop_post(s, SERVICE_SUCCESS);
fail:
log_warning_unit(UNIT(s)->id, "%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
- if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
+ if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL ||
+ state == SERVICE_STOP_SIGABRT)
service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES);
else
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
if (s->timeout_stop_usec > 0)
service_arm_timer(s, s->timeout_stop_usec);
- service_set_state(s, SERVICE_STOP);
+ /* The service told us it's stopping, so it's as if we SIGTERM'd it. */
+ service_set_state(s, SERVICE_STOP_SIGTERM);
}
static void service_enter_stop(Service *s, ServiceResult f) {
!s->permissions_start_only,
!s->root_directory_start_only,
false,
- false,
true,
&s->control_pid);
if (r < 0)
!s->permissions_start_only,
!s->root_directory_start_only,
false,
- false,
true,
&s->control_pid);
if (r < 0)
true,
true,
true,
- s->notify_access != NOTIFY_NONE,
false,
&pid);
if (r < 0)
!s->permissions_start_only,
!s->root_directory_start_only,
true,
- false,
true,
&s->control_pid);
if (r < 0)
!s->permissions_start_only,
!s->root_directory_start_only,
false,
- false,
true,
&s->control_pid);
if (r < 0)
!s->root_directory_start_only,
s->control_command_id == SERVICE_EXEC_START_PRE ||
s->control_command_id == SERVICE_EXEC_STOP_POST,
- false,
true,
&s->control_pid);
if (r < 0)
true,
true,
true,
- s->notify_access != NOTIFY_NONE,
false,
&pid);
if (r < 0)
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
-static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none) {
- assert(s);
-
- if (action == SERVICE_FAILURE_ACTION_REBOOT ||
- action == SERVICE_FAILURE_ACTION_REBOOT_FORCE)
- update_reboot_param_file(s->reboot_arg);
-
- switch (action) {
-
- case SERVICE_FAILURE_ACTION_NONE:
- if (log_action_none)
- log_warning_unit(UNIT(s)->id, "%s %s, refusing to start.", UNIT(s)->id, reason);
- break;
-
- case SERVICE_FAILURE_ACTION_REBOOT: {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int r;
-
- log_warning_unit(UNIT(s)->id, "%s %s, rebooting.", UNIT(s)->id, reason);
-
- r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
- if (r < 0)
- log_error_unit(UNIT(s)->id, "Failed to reboot: %s.", bus_error_message(&error, r));
-
- break;
- }
-
- case SERVICE_FAILURE_ACTION_REBOOT_FORCE:
- log_warning_unit(UNIT(s)->id, "%s %s, forcibly rebooting.", UNIT(s)->id, reason);
- UNIT(s)->manager->exit_code = MANAGER_REBOOT;
- break;
-
- case SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE:
- log_warning_unit(UNIT(s)->id, "%s %s, rebooting immediately.", UNIT(s)->id, reason);
-
- sync();
-
- if (s->reboot_arg) {
- log_info("Rebooting with argument '%s'.", s->reboot_arg);
- syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, s->reboot_arg);
- }
-
- log_info("Rebooting.");
- reboot(RB_AUTOBOOT);
- break;
-
- default:
- log_error_unit(UNIT(s)->id, "failure action=%i", action);
- assert_not_reached("Unknown FailureAction.");
- }
-
- return -ECANCELED;
-}
-
static int service_start_limit_test(Service *s) {
assert(s);
if (ratelimit_test(&s->start_limit))
return 0;
- return service_execute_action(s, s->start_limit_action, "start request repeated too quickly", true);
+ log_warning_unit(UNIT(s)->id, "start request repeated too quickly for %s", UNIT(s)->id);
+
+ return failure_action(UNIT(s)->manager, s->start_limit_action, s->reboot_arg);
}
static int service_start(Unit *u) {
/* We cannot fulfill this request right now, try again later
* please! */
if (s->state == SERVICE_STOP ||
+ s->state == SERVICE_STOP_SIGABRT ||
s->state == SERVICE_STOP_SIGTERM ||
s->state == SERVICE_STOP_SIGKILL ||
s->state == SERVICE_STOP_POST ||
/* Already on it */
if (s->state == SERVICE_STOP ||
+ s->state == SERVICE_STOP_SIGABRT ||
s->state == SERVICE_STOP_SIGTERM ||
s->state == SERVICE_STOP_SIGKILL ||
s->state == SERVICE_STOP_POST ||
unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
}
+ if (s->bus_endpoint_fd >= 0) {
+ int copy;
+
+ if ((copy = fdset_put_dup(fds, s->bus_endpoint_fd)) < 0)
+ return copy;
+
+ unit_serialize_item_format(u, f, "endpoint-fd", "%i", copy);
+ }
+
if (s->main_exec_status.pid > 0) {
unit_serialize_item_format(u, f, "main-exec-status-pid", PID_FMT,
s->main_exec_status.pid);
if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
log_debug_unit(u->id, "Failed to parse socket-fd value %s", value);
else {
-
asynchronous_close(s->socket_fd);
s->socket_fd = fdset_remove(fds, fd);
}
+ } else if (streq(key, "endpoint-fd")) {
+ int fd;
+
+ if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+ log_debug_unit(u->id, "Failed to parse endpoint-fd value %s", value);
+ else {
+ safe_close(s->bus_endpoint_fd);
+ s->bus_endpoint_fd = fdset_remove(fds, fd);
+ }
} else if (streq(key, "main-exec-status-pid")) {
pid_t pid;
service_enter_running(s, SERVICE_SUCCESS);
break;
+ case SERVICE_STOP_SIGABRT:
case SERVICE_STOP_SIGTERM:
case SERVICE_STOP_SIGKILL:
service_enter_running(s, f);
break;
+ case SERVICE_STOP_SIGABRT:
case SERVICE_STOP_SIGTERM:
case SERVICE_STOP_SIGKILL:
service_enter_signal(s, SERVICE_STOP_SIGTERM, f);
break;
+ case SERVICE_STOP_SIGABRT:
case SERVICE_STOP_SIGTERM:
case SERVICE_STOP_SIGKILL:
if (main_pid_good(s) <= 0)
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
+ case SERVICE_STOP_SIGABRT:
+ log_warning_unit(UNIT(s)->id,
+ "%s stop-sigabrt timed out. Terminating.", UNIT(s)->id);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, s->result);
+ break;
+
case SERVICE_STOP_SIGTERM:
if (s->kill_context.send_sigkill) {
log_warning_unit(UNIT(s)->id, "%s stop-sigterm timed out. Killing.", UNIT(s)->id);
log_error_unit(UNIT(s)->id, "%s watchdog timeout (limit %s)!", UNIT(s)->id,
format_timespan(t, sizeof(t), s->watchdog_usec, 1));
- service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_WATCHDOG);
+ service_enter_signal(s, SERVICE_STOP_SIGABRT, SERVICE_FAILURE_WATCHDOG);
return 0;
}
/* Try to acquire PID from bus service */
- r = sd_bus_get_owner(u->manager->api_bus, name, SD_BUS_CREDS_PID, &creds);
+ r = sd_bus_get_name_creds(u->manager->api_bus, name, SD_BUS_CREDS_PID, &creds);
if (r >= 0)
r = sd_bus_creds_get_pid(creds, &pid);
if (r >= 0) {
}
}
-int service_set_socket_fd(Service *s, int fd, Socket *sock) {
+int service_set_socket_fd(Service *s, int fd, Socket *sock, bool selinux_context_net) {
_cleanup_free_ char *peer = NULL;
int r;
}
s->socket_fd = fd;
+ s->socket_fd_selinux_context_net = selinux_context_net;
unit_ref_set(&s->accept_socket, UNIT(sock));
[SERVICE_EXITED] = "exited",
[SERVICE_RELOAD] = "reload",
[SERVICE_STOP] = "stop",
+ [SERVICE_STOP_SIGABRT] = "stop-sigabrt",
[SERVICE_STOP_SIGTERM] = "stop-sigterm",
[SERVICE_STOP_SIGKILL] = "stop-sigkill",
[SERVICE_STOP_POST] = "stop-post",
DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult);
-static const char* const failure_action_table[_SERVICE_FAILURE_ACTION_MAX] = {
- [SERVICE_FAILURE_ACTION_NONE] = "none",
- [SERVICE_FAILURE_ACTION_REBOOT] = "reboot",
- [SERVICE_FAILURE_ACTION_REBOOT_FORCE] = "reboot-force",
- [SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate"
-};
-DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction);
-
const UnitVTable service_vtable = {
.object_size = sizeof(Service),
.exec_context_offset = offsetof(Service, exec_context),
~ianmdlvl / elogind.git / blobdiff