/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see .
***/
#include "logind.h"
#include "dbus-common.h"
#define BUS_MANAGER_INTERFACE \
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#define INTROSPECTION_BEGIN \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"\n" \
BUS_MANAGER_INTERFACE \
BUS_PROPERTIES_INTERFACE \
BUS_PEER_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE
#define INTROSPECTION_END \
"\n"
#define INTERFACES_LIST \
BUS_GENERIC_INTERFACES_LIST \
"org.freedesktop.login1.Manager\0"
static DBusHandlerResult manager_message_handler(
DBusConnection *connection,
DBusMessage *message,
void *userdata) {
Manager *m = userdata;
const BusProperty properties[] = {
{ "org.freedesktop.login1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_path },
{ "org.freedesktop.login1.Manager", "Controllers", bus_property_append_strv, "as", m->controllers },
{ "org.freedesktop.login1.Manager", "ResetControllers", bus_property_append_strv, "as", m->reset_controllers },
{ "org.freedesktop.login1.Manager", "NAutoVTs", bus_property_append_unsigned, "u", &m->n_autovts },
{ "org.freedesktop.login1.Manager", "KillOnlyUsers", bus_property_append_strv, "as", m->kill_only_users },
{ "org.freedesktop.login1.Manager", "KillExcludeUsers", bus_property_append_strv, "as", m->kill_exclude_users },
{ "org.freedesktop.login1.Manager", "KillUserProcesses", bus_property_append_bool, "b", &m->kill_user_processes },
{ NULL, NULL, NULL, NULL, NULL }
};
DBusError error;
DBusMessage *reply = NULL;
assert(connection);
assert(message);
assert(m);
dbus_error_init(&error);
if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
char *introspection = NULL;
FILE *f;
Iterator i;
Session *session;
Seat *seat;
User *user;
size_t size;
char *p;
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
/* We roll our own introspection code here, instead of
* relying on bus_default_message_handler() because we
* need to generate our introspection string
* dynamically. */
if (!(f = open_memstream(&introspection, &size)))
goto oom;
fputs(INTROSPECTION_BEGIN, f);
HASHMAP_FOREACH(seat, m->seats, i) {
p = bus_path_escape(seat->id);
if (p) {
fprintf(f, "", p);
free(p);
}
}
HASHMAP_FOREACH(user, m->users, i)
fprintf(f, "", (unsigned long long) user->uid);
HASHMAP_FOREACH(session, m->sessions, i) {
p = bus_path_escape(session->id);
if (p) {
fprintf(f, "", p);
free(p);
}
}
fputs(INTROSPECTION_END, f);
if (ferror(f)) {
fclose(f);
free(introspection);
goto oom;
}
fclose(f);
if (!introspection)
goto oom;
if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
free(introspection);
goto oom;
}
free(introspection);
} else
return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, properties);
if (reply) {
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
dbus_message_unref(reply);
}
return DBUS_HANDLER_RESULT_HANDLED;
oom:
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
const DBusObjectPathVTable bus_manager_vtable = {
.message_function = manager_message_handler
};