-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/***
- This file is part of systemd.
+#include "alloc-util.h"
+#include "bus-get-properties.h"
+#include "dbus-path.h"
+#include "dbus-util.h"
+#include "list.h"
+#include "path.h"
+#include "path-util.h"
+#include "string-util.h"
+#include "unit.h"
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, path_result, PathResult);
+
+static int property_get_paths(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Path *p = userdata;
+ PathSpec *k;
+ int r;
- Copyright 2010 Lennart Poettering
+ assert(bus);
+ assert(reply);
+ assert(p);
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
+ r = sd_bus_message_open_container(reply, 'a', "(ss)");
+ if (r < 0)
+ return r;
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
+ LIST_FOREACH(spec, k, p->specs) {
+ r = sd_bus_message_append(reply, "(ss)", path_type_to_string(k->type), k->path);
+ if (r < 0)
+ return r;
+ }
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
+ return sd_bus_message_close_container(reply);
+}
-#include <errno.h>
+const sd_bus_vtable bus_path_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("Unit", "s", bus_property_get_triggered_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Paths", "a(ss)", property_get_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("MakeDirectory", "b", bus_property_get_bool, offsetof(Path, make_directory), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Path, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Path, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_VTABLE_END
+};
-#include "dbus-unit.h"
-#include "dbus-path.h"
-#include "dbus-execute.h"
-#include "dbus-common.h"
-#include "selinux-access.h"
-
-#define BUS_PATH_INTERFACE \
- " <interface name=\"org.freedesktop.systemd1.Path\">\n" \
- " <property name=\"Unit\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"Paths\" type=\"a(ss)\" access=\"read\"/>\n" \
- " <property name=\"MakeDirectory\" type=\"b\" access=\"read\"/>\n" \
- " <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
- " <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \
- " </interface>\n"
-
-#define INTROSPECTION \
- DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
- "<node>\n" \
- BUS_UNIT_INTERFACE \
- BUS_PATH_INTERFACE \
- BUS_PROPERTIES_INTERFACE \
- BUS_PEER_INTERFACE \
- BUS_INTROSPECTABLE_INTERFACE \
- "</node>\n"
-
-#define INTERFACES_LIST \
- BUS_UNIT_INTERFACES_LIST \
- "org.freedesktop.systemd1.Path\0"
-
-const char bus_path_interface[] = BUS_PATH_INTERFACE;
-
-const char bus_path_invalidating_properties[] =
- "Result\0";
-
-static int bus_path_append_paths(DBusMessageIter *i, const char *property, void *data) {
- Path *p = data;
- DBusMessageIter sub, sub2;
- PathSpec *k;
+static int bus_path_set_transient_property(
+ Path *p,
+ const char *name,
+ sd_bus_message *message,
+ UnitWriteFlags flags,
+ sd_bus_error *error) {
+
+ Unit *u = UNIT(p);
+ int r;
- assert(i);
- assert(property);
assert(p);
+ assert(name);
+ assert(message);
- if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(ss)", &sub))
- return -ENOMEM;
+ flags |= UNIT_PRIVATE;
- LIST_FOREACH(spec, k, p->specs) {
- const char *t = path_type_to_string(k->type);
+ if (streq(name, "MakeDirectory"))
+ return bus_set_transient_bool(u, name, &p->make_directory, message, flags, error);
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &t) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &k->path) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return -ENOMEM;
- }
+ if (streq(name, "DirectoryMode"))
+ return bus_set_transient_mode_t(u, name, &p->directory_mode, message, flags, error);
- if (!dbus_message_iter_close_container(i, &sub))
- return -ENOMEM;
+ if (streq(name, "Paths")) {
+ const char *type_name, *path;
+ bool empty = true;
- return 0;
-}
+ r = sd_bus_message_enter_container(message, 'a', "(ss)");
+ if (r < 0)
+ return r;
-static int bus_path_append_unit(DBusMessageIter *i, const char *property, void *data) {
- Unit *u = data, *trigger;
- const char *t;
+ while ((r = sd_bus_message_read(message, "(ss)", &type_name, &path)) > 0) {
+ PathType t;
- assert(i);
- assert(property);
- assert(u);
+ t = path_type_from_string(type_name);
+ if (t < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown path type: %s", type_name);
- trigger = UNIT_TRIGGER(u);
- t = trigger ? trigger->id : "";
+ if (isempty(path))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path in %s is empty", type_name);
- return dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t) ? 0 : -ENOMEM;
-}
+ if (!path_is_absolute(path))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path in %s is not absolute: %s", type_name, path);
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_path_append_path_result, path_result, PathResult);
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *k;
+ PathSpec *s;
-static const BusProperty bus_path_properties[] = {
- { "Unit", bus_path_append_unit, "s", 0 },
- { "Paths", bus_path_append_paths, "a(ss)", 0 },
- { "MakeDirectory", bus_property_append_bool, "b", offsetof(Path, make_directory) },
- { "DirectoryMode", bus_property_append_mode, "u", offsetof(Path, directory_mode) },
- { "Result", bus_path_append_path_result, "s", offsetof(Path, result) },
- { NULL, }
-};
+ k = strdup(path);
+ if (!k)
+ return -ENOMEM;
+
+ path_simplify(k, false);
+
+ s = new0(PathSpec, 1);
+ if (!s)
+ return -ENOMEM;
+
+ s->unit = u;
+ s->path = TAKE_PTR(k);
+ s->type = t;
+ s->inotify_fd = -1;
+
+ LIST_PREPEND(spec, p->specs, s);
+
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", type_name, path);
+ }
+
+ empty = false;
+ }
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags) && empty) {
+ path_free_specs(p);
+ unit_write_settingf(u, flags, name, "PathExists=");
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
+int bus_path_set_property(
+ Unit *u,
+ const char *name,
+ sd_bus_message *message,
+ UnitWriteFlags mode,
+ sd_bus_error *error) {
-DBusHandlerResult bus_path_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
Path *p = PATH(u);
- const BusBoundProperties bps[] = {
- { "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
- { "org.freedesktop.systemd1.Path", bus_path_properties, p },
- { NULL, }
- };
- SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
+ assert(p);
+ assert(name);
+ assert(message);
+
+ if (u->transient && u->load_state == UNIT_STUB)
+ return bus_path_set_transient_property(p, name, message, mode, error);
- return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
+ return 0;
}
projects / thirdparty / systemd.git / blobdiff