diff options
Diffstat (limited to 'src/core/dbus-path.c')
-rw-r--r-- | src/core/dbus-path.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/core/dbus-path.c b/src/core/dbus-path.c new file mode 100644 index 0000000000..f7fed1754d --- /dev/null +++ b/src/core/dbus-path.c @@ -0,0 +1,122 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + 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. + + 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. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <errno.h> + +#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[] _introspect_("Path") = 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; + + assert(i); + assert(property); + assert(p); + + if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(ss)", &sub)) + return -ENOMEM; + + LIST_FOREACH(spec, k, p->specs) { + const char *t = path_type_to_string(k->type); + + 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 (!dbus_message_iter_close_container(i, &sub)) + return -ENOMEM; + + return 0; +} + +static int bus_path_append_unit(DBusMessageIter *i, const char *property, void *data) { + Unit *u = data; + Path *p = PATH(u); + const char *t; + + assert(i); + assert(property); + assert(u); + + t = UNIT_DEREF(p->unit) ? UNIT_DEREF(p->unit)->id : ""; + + return dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t) ? 0 : -ENOMEM; +} + +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_path_append_path_result, path_result, PathResult); + +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, } +}; + +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"); + + return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps); +} |