#include "bus-errors.h"
#include "dbus-common.h"
#include "selinux-access.h"
+#include "cgroup-util.h"
+#include "strv.h"
+#include "path-util.h"
+#include "fileio.h"
const char bus_unit_interface[] _introspect_("Unit") = BUS_UNIT_INTERFACE;
return 0;
}
+static int bus_unit_append_slice(DBusMessageIter *i, const char *property, void *data) {
+ Unit *u = data;
+ const char *d;
+
+ assert(i);
+ assert(property);
+ assert(u);
+
+ d = strempty(unit_slice_name(u));
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
+ return -ENOMEM;
+
+ return 0;
+}
+
static int bus_unit_append_dependencies(DBusMessageIter *i, const char *property, void *data) {
Unit *u;
Iterator j;
return 0;
}
-static int bus_unit_append_default_cgroup(DBusMessageIter *i, const char *property, void *data) {
- Unit *u = data;
- char *t;
- CGroupBonding *cgb;
- bool success;
-
- assert(i);
- assert(property);
- assert(u);
-
- cgb = unit_get_default_cgroup(u);
- if (cgb) {
- t = cgroup_bonding_to_string(cgb);
- if (!t)
- return -ENOMEM;
- } else
- t = (char*) "";
-
- success = dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t);
-
- if (cgb)
- free(t);
-
- return success ? 0 : -ENOMEM;
-}
-
-static int bus_unit_append_cgroups(DBusMessageIter *i, const char *property, void *data) {
- Unit *u = data;
- CGroupBonding *cgb;
- DBusMessageIter sub;
-
- if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "s", &sub))
- return -ENOMEM;
-
- LIST_FOREACH(by_unit, cgb, u->cgroup_bondings) {
- char _cleanup_free_ *t = NULL;
- bool success;
-
- t = cgroup_bonding_to_string(cgb);
- if (!t)
- return -ENOMEM;
-
- success = dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &t);
- if (!success)
- return -ENOMEM;
- }
-
- if (!dbus_message_iter_close_container(i, &sub))
- return -ENOMEM;
-
- return 0;
-}
-
-static int bus_unit_append_cgroup_attrs(DBusMessageIter *i, const char *property, void *data) {
- Unit *u = data;
- CGroupAttribute *a;
- DBusMessageIter sub, sub2;
-
- if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(sss)", &sub))
- return -ENOMEM;
-
- LIST_FOREACH(by_unit, a, u->cgroup_attributes) {
- char _cleanup_free_ *v = NULL;
- bool success;
-
- if (a->map_callback)
- a->map_callback(a->controller, a->name, a->value, &v);
-
- success =
- dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) &&
- dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &a->controller) &&
- dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &a->name) &&
- dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, v ? &v : &a->value) &&
- dbus_message_iter_close_container(&sub, &sub2);
- if (!success)
- return -ENOMEM;
- }
-
- if (!dbus_message_iter_close_container(i, &sub))
- return -ENOMEM;
-
- return 0;
-}
-
static int bus_unit_append_need_daemon_reload(DBusMessageIter *i, const char *property, void *data) {
Unit *u = data;
dbus_bool_t b;
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "SetProperties")) {
+ DBusMessageIter iter;
+ dbus_bool_t runtime;
+
+ if (!dbus_message_iter_init(message, &iter))
+ goto oom;
+
+ if (bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &runtime, true) < 0)
+ return bus_send_error_reply(connection, message, NULL, -EINVAL);
+
+ SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "start");
+
+ r = bus_unit_set_properties(u, &iter, runtime ? UNIT_RUNTIME : UNIT_PERSISTENT, true, &error);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
} else if (UNIT_VTABLE(u)->bus_message_handler)
return UNIT_VTABLE(u)->bus_message_handler(u, connection, message);
}
if (reply)
- if (!dbus_connection_send(connection, reply, NULL))
+ if (!bus_maybe_send_reply(connection, message, reply))
goto oom;
return DBUS_HANDLER_RESULT_HANDLED;
free(introspection);
- if (!dbus_connection_send(connection, reply, NULL))
+ if (!bus_maybe_send_reply(connection, message, reply))
goto oom;
return DBUS_HANDLER_RESULT_HANDLED;
(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) {
+ if (type == JOB_STOP && (u->load_state == UNIT_NOT_FOUND || 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);
}
DBUS_TYPE_INVALID))
goto oom;
- if (!dbus_connection_send(connection, reply, NULL))
+ if (!bus_maybe_send_reply(connection, message, reply))
goto oom;
return DBUS_HANDLER_RESULT_HANDLED;
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
+static int bus_unit_set_transient_property(
+ Unit *u,
+ const char *name,
+ DBusMessageIter *i,
+ UnitSetPropertiesMode mode,
+ DBusError *error) {
+
+ int r;
+
+ assert(u);
+ assert(name);
+ assert(i);
+
+ if (streq(name, "Description")) {
+ const char *description;
+
+ if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(i, &description);
+
+ r = unit_set_description(u, description);
+ if (r < 0)
+ return r;
+
+ return 1;
+ }
+
+ return 0;
+}
+
+int bus_unit_set_properties(
+ Unit *u,
+ DBusMessageIter *iter,
+ UnitSetPropertiesMode mode,
+ bool commit,
+ DBusError *error) {
+
+ bool for_real = false;
+ DBusMessageIter sub;
+ unsigned n = 0;
+ int r;
+
+ assert(u);
+ assert(iter);
+
+ if (u->transient)
+ mode &= UNIT_RUNTIME;
+
+ /* We iterate through the array twice. First run we just check
+ * if all passed data is valid, second run actually applies
+ * it. This is to implement transaction-like behaviour without
+ * actually providing full transactions. */
+
+ if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(iter) != DBUS_TYPE_STRUCT)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(iter, &sub);
+ for (;;) {
+ DBusMessageIter sub2, sub3;
+ const char *name;
+
+ if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_INVALID) {
+
+ if (for_real)
+ break;
+
+ /* Reached EOF. Let's try again, and this time for realz... */
+ dbus_message_iter_recurse(iter, &sub);
+ for_real = true;
+ continue;
+ }
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
+ dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT)
+ return -EINVAL;
+
+ if (!UNIT_VTABLE(u)->bus_set_property) {
+ dbus_set_error(error, DBUS_ERROR_PROPERTY_READ_ONLY, "Objects of this type do not support setting properties.");
+ return -ENOENT;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+ r = UNIT_VTABLE(u)->bus_set_property(u, name, &sub3, for_real ? mode : UNIT_CHECK, error);
+ if (r == 0 && u->transient && u->load_state == UNIT_STUB)
+ r = bus_unit_set_transient_property(u, name, &sub3, for_real ? mode : UNIT_CHECK, error);
+ if (r < 0)
+ return r;
+ if (r == 0) {
+ dbus_set_error(error, DBUS_ERROR_PROPERTY_READ_ONLY, "Cannot set property %s, or unknown property.", name);
+ return -ENOENT;
+ }
+
+ dbus_message_iter_next(&sub);
+
+ n += for_real;
+ }
+
+ if (commit && n > 0 && UNIT_VTABLE(u)->bus_commit_properties)
+ UNIT_VTABLE(u)->bus_commit_properties(u);
+
+ return n;
+}
+
const BusProperty bus_unit_properties[] = {
{ "Id", bus_property_append_string, "s", offsetof(Unit, id), true },
{ "Names", bus_unit_append_names, "as", 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 },
+ { "DropInPaths", bus_property_append_strv, "as", offsetof(Unit, dropin_paths), 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) },
{ "OnFailureIsolate", bus_property_append_bool, "b", offsetof(Unit, on_failure_isolate) },
{ "IgnoreOnIsolate", bus_property_append_bool, "b", offsetof(Unit, ignore_on_isolate) },
{ "IgnoreOnSnapshot", bus_property_append_bool, "b", offsetof(Unit, ignore_on_snapshot) },
- { "DefaultControlGroup", bus_unit_append_default_cgroup, "s", 0 },
- { "ControlGroup", bus_unit_append_cgroups, "as", 0 },
- { "ControlGroupAttributes", bus_unit_append_cgroup_attrs,"a(sss)", 0 },
{ "NeedDaemonReload", bus_unit_append_need_daemon_reload, "b", 0 },
{ "JobTimeoutUSec", bus_property_append_usec, "t", offsetof(Unit, job_timeout) },
{ "ConditionTimestamp", bus_property_append_usec, "t", offsetof(Unit, condition_timestamp.realtime) },
{ "ConditionTimestampMonotonic", bus_property_append_usec, "t", offsetof(Unit, condition_timestamp.monotonic) },
{ "ConditionResult", bus_property_append_bool, "b", offsetof(Unit, condition_result) },
{ "LoadError", bus_unit_append_load_error, "(ss)", 0 },
+ { "Transient", bus_property_append_bool, "b", offsetof(Unit, transient) },
{ NULL, }
};
+
+const BusProperty bus_unit_cgroup_properties[] = {
+ { "Slice", bus_unit_append_slice, "s", 0 },
+ { "ControlGroup", bus_property_append_string, "s", offsetof(Unit, cgroup_path), true },
+};
~ianmdlvl / elogind.git / blobdiff