#include "dbus-unit.h"
#include "bus-errors.h"
#include "dbus-common.h"
+#include "selinux-access.h"
const char bus_unit_interface[] _introspect_("Unit") = BUS_UNIT_INTERFACE;
}
static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusConnection *connection, DBusMessage *message) {
- DBusMessage *reply = NULL;
- Manager *m = u->manager;
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
DBusError error;
JobType job_type = _JOB_TYPE_INVALID;
- char *path = NULL;
bool reload_if_possible = false;
+ int r;
dbus_error_init(&error);
reload_if_possible = true;
job_type = JOB_TRY_RESTART;
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "Kill")) {
- const char *swho, *smode;
+ const char *swho;
int32_t signo;
- KillMode mode;
KillWho who;
- int r;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &swho,
- DBUS_TYPE_STRING, &smode,
DBUS_TYPE_INT32, &signo,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
return bus_send_error_reply(connection, message, &error, -EINVAL);
}
- if (isempty(smode))
- mode = KILL_CONTROL_GROUP;
- else {
- mode = kill_mode_from_string(smode);
- if (mode < 0)
- return bus_send_error_reply(connection, message, &error, -EINVAL);
- }
-
if (signo <= 0 || signo >= _NSIG)
return bus_send_error_reply(connection, message, &error, -EINVAL);
- if ((r = unit_kill(u, who, mode, signo, &error)) < 0)
+ SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "stop");
+
+ r = unit_kill(u, who, signo, &error);
+ if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- if (!(reply = dbus_message_new_method_return(message)))
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "ResetFailed")) {
+ SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "reload");
+
unit_reset_failed(u);
- if (!(reply = dbus_message_new_method_return(message)))
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
goto oom;
} else if (UNIT_VTABLE(u)->bus_message_handler)
if (job_type != _JOB_TYPE_INVALID) {
const char *smode;
JobMode mode;
- Job *j;
- int r;
-
- if ((job_type == JOB_START && u->refuse_manual_start) ||
- (job_type == JOB_STOP && u->refuse_manual_stop) ||
- ((job_type == JOB_RESTART || job_type == JOB_TRY_RESTART) &&
- (u->refuse_manual_start || u->refuse_manual_stop))) {
- dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, may be requested by dependency only.");
- return bus_send_error_reply(connection, message, &error, -EPERM);
- }
if (!dbus_message_get_args(
message,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
- if (reload_if_possible && unit_can_reload(u)) {
- if (job_type == JOB_RESTART)
- job_type = JOB_RELOAD_OR_START;
- else if (job_type == JOB_TRY_RESTART)
- job_type = JOB_RELOAD;
- }
-
- if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID) {
+ mode = job_mode_from_string(smode);
+ if (mode < 0) {
dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode);
return bus_send_error_reply(connection, message, &error, -EINVAL);
}
- if ((r = manager_add_job(m, job_type, u, mode, true, &error, &j)) < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- if (!(reply = dbus_message_new_method_return(message)))
- goto oom;
-
- if (!(path = job_dbus_path(j)))
- goto oom;
-
- if (!dbus_message_append_args(
- reply,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID))
- goto oom;
+ return bus_unit_queue_job(connection, message, u, job_type, mode, reload_if_possible);
}
- if (reply) {
+ if (reply)
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
- dbus_message_unref(reply);
- }
-
- free(path);
-
return DBUS_HANDLER_RESULT_HANDLED;
oom:
- free(path);
-
- if (reply)
- dbus_message_unref(reply);
-
dbus_error_free(&error);
-
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
Manager *m = data;
Unit *u;
int r;
- DBusMessage *reply;
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ DBusError error;
assert(connection);
assert(message);
assert(m);
+ dbus_error_init(&error);
+
if (streq(dbus_message_get_path(message), "/org/freedesktop/systemd1/unit")) {
/* Be nice to gdbus and return introspection data for our mid-level paths */
+ SELINUX_ACCESS_CHECK(connection, message, "status");
+
if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
char *introspection = NULL;
FILE *f;
const char *k;
size_t size;
- if (!(reply = dbus_message_new_method_return(message)))
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
goto oom;
/* We roll our own introspection code here, instead of
* need to generate our introspection string
* dynamically. */
- if (!(f = open_memstream(&introspection, &size)))
+ f = open_memstream(&introspection, &size);
+ if (!f)
goto oom;
fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
if (k != u->id)
continue;
- if (!(p = bus_path_escape(k))) {
+ p = bus_path_escape(k);
+ if (!p) {
fclose(f);
free(introspection);
goto oom;
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
- dbus_message_unref(reply);
-
return DBUS_HANDLER_RESULT_HANDLED;
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
- if ((r = manager_get_unit_from_dbus_path(m, dbus_message_get_path(message), &u)) < 0) {
-
- if (r == -ENOMEM)
- return DBUS_HANDLER_RESULT_NEED_MEMORY;
-
- if (r == -ENOENT) {
- DBusError e;
-
- dbus_error_init(&e);
- dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown unit");
- return bus_send_error_reply(connection, message, &e, r);
- }
-
- return bus_send_error_reply(connection, message, NULL, r);
- }
+ r = manager_load_unit_from_dbus_path(m, dbus_message_get_path(message), &error, &u);
+ if (r == -ENOMEM)
+ goto oom;
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
return bus_unit_message_dispatch(u, connection, message);
oom:
- if (reply)
- dbus_message_unref(reply);
+ dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
/* Send a properties changed signal. First for the
* specific type, then for the generic unit. The
* clients may rely on this order to get atomic
- * behaviour if needed. */
+ * behavior if needed. */
if (UNIT_VTABLE(u)->bus_invalidating_properties) {
log_error("Failed to allocate unit remove signal.");
}
+DBusHandlerResult bus_unit_queue_job(
+ DBusConnection *connection,
+ DBusMessage *message,
+ Unit *u,
+ JobType type,
+ JobMode mode,
+ bool reload_if_possible) {
+
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ _cleanup_free_ char *path = NULL;
+ Job *j;
+ JobBusClient *cl;
+ DBusError error;
+ int r;
+
+ assert(connection);
+ assert(message);
+ assert(u);
+ assert(type >= 0 && type < _JOB_TYPE_MAX);
+ assert(mode >= 0 && mode < _JOB_MODE_MAX);
+
+ dbus_error_init(&error);
+
+ if (reload_if_possible && unit_can_reload(u)) {
+ if (type == JOB_RESTART)
+ type = JOB_RELOAD_OR_START;
+ else if (type == JOB_TRY_RESTART)
+ type = JOB_RELOAD;
+ }
+
+ SELINUX_UNIT_ACCESS_CHECK(u, connection, message,
+ (type == JOB_START || type == JOB_RESTART || type == JOB_TRY_RESTART) ? "start" :
+ type == JOB_STOP ? "stop" : "reload");
+
+ if (type == JOB_STOP && u->load_state == UNIT_ERROR && unit_active_state(u) == UNIT_INACTIVE) {
+ dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id);
+ return bus_send_error_reply(connection, message, &error, -EPERM);
+ }
+
+ if ((type == JOB_START && u->refuse_manual_start) ||
+ (type == JOB_STOP && u->refuse_manual_stop) ||
+ ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) {
+ dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only.", u->id);
+ return bus_send_error_reply(connection, message, &error, -EPERM);
+ }
+
+ r = manager_add_job(u->manager, type, u, mode, true, &error, &j);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
+ cl = job_bus_client_new(connection, bus_message_get_sender_with_fallback(message));
+ if (!cl)
+ goto oom;
+
+ LIST_PREPEND(JobBusClient, client, j->bus_client_list, cl);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+
+ path = job_dbus_path(j);
+ if (!path)
+ goto oom;
+
+ if (!dbus_message_append_args(
+ reply,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ goto oom;
+
+ if (!dbus_connection_send(connection, reply, NULL))
+ goto oom;
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+oom:
+ dbus_error_free(&error);
+
+ return DBUS_HANDLER_RESULT_NEED_MEMORY;
+}
+
const BusProperty bus_unit_properties[] = {
{ "Id", bus_property_append_string, "s", offsetof(Unit, id), true },
{ "Names", bus_unit_append_names, "as", 0 },
{ "Requisite", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUISITE]), true },
{ "RequisiteOverridable", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUISITE_OVERRIDABLE]), true },
{ "Wants", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_WANTS]), true },
- { "BindTo", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_BIND_TO]), true },
+ { "BindsTo", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_BINDS_TO]), true },
+ { "PartOf", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_PART_OF]), true },
{ "RequiredBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUIRED_BY]), true },
{ "RequiredByOverridable",bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUIRED_BY_OVERRIDABLE]), true },
{ "WantedBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_WANTED_BY]), true },
{ "BoundBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_BOUND_BY]), true },
+ { "ConsistsOf", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_CONSISTS_OF]), true },
{ "Conflicts", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_CONFLICTS]), true },
{ "ConflictedBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_CONFLICTED_BY]), true },
{ "Before", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_BEFORE]), true },
{ "OnFailure", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_ON_FAILURE]), true },
{ "Triggers", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_TRIGGERS]), true },
{ "TriggeredBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_TRIGGERED_BY]), true },
- { "PropagateReloadTo", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_PROPAGATE_RELOAD_TO]), true },
- { "PropagateReloadFrom", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_PROPAGATE_RELOAD_FROM]), true },
+ { "PropagatesReloadTo", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), true },
+ { "ReloadPropagatedFrom", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), true },
{ "RequiresMountsFor", bus_property_append_strv, "as", offsetof(Unit, requires_mounts_for), true },
+ { "Documentation", bus_property_append_strv, "as", offsetof(Unit, documentation), true },
{ "Description", bus_unit_append_description, "s", 0 },
{ "LoadState", bus_unit_append_load_state, "s", offsetof(Unit, load_state) },
{ "ActiveState", bus_unit_append_active_state, "s", 0 },
{ "SubState", bus_unit_append_sub_state, "s", 0 },
{ "FragmentPath", bus_property_append_string, "s", offsetof(Unit, fragment_path), true },
+ { "SourcePath", bus_property_append_string, "s", offsetof(Unit, source_path), true },
{ "UnitFileState", bus_unit_append_file_state, "s", 0 },
{ "InactiveExitTimestamp",bus_property_append_usec, "t", offsetof(Unit, inactive_exit_timestamp.realtime) },
{ "InactiveExitTimestampMonotonic", bus_property_append_usec, "t", offsetof(Unit, inactive_exit_timestamp.monotonic) },