2011-05-26 02:21:16 +02:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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2011-06-17 15:59:18 +02:00
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#include <errno.h>
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#include <string.h>
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2011-05-26 02:21:16 +02:00
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#include "logind.h"
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#include "dbus-common.h"
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#define BUS_MANAGER_INTERFACE \
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" <interface name=\"org.freedesktop.login1.Manager\">\n" \
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2011-06-21 19:20:05 +02:00
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" <method name=\"GetSession\">\n" \
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2011-05-26 02:21:16 +02:00
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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2011-06-21 19:20:05 +02:00
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" <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
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2011-05-26 02:21:16 +02:00
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" </method>\n" \
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" <method name=\"GetUser\">\n" \
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2011-06-21 19:20:05 +02:00
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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2011-05-26 02:21:16 +02:00
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" <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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2011-06-21 19:20:05 +02:00
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" <method name=\"GetSeat\">\n" \
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2011-05-26 02:21:16 +02:00
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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2011-06-21 19:20:05 +02:00
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" <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \
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2011-05-26 02:21:16 +02:00
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" </method>\n" \
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2011-06-21 19:20:05 +02:00
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" <method name=\"ListSessions\">\n" \
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" <arg name=\"users\" type=\"a(sussso)\" direction=\"out\"/>\n" \
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2011-05-26 02:21:16 +02:00
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" </method>\n" \
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" <method name=\"ListUsers\">\n" \
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" <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \
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" </method>\n" \
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2011-06-21 19:20:05 +02:00
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" <method name=\"ListSeats\">\n" \
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" <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \
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2011-05-26 02:21:16 +02:00
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" </method>\n" \
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" <method name=\"CreateSession\">\n" \
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"kill_processes\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
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" <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
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" <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
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" </method>\n" \
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2011-06-17 15:59:18 +02:00
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" <method name=\"ActivateSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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2011-05-26 02:21:16 +02:00
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" <method name=\"TerminateSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"TerminateUser\">\n" \
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2011-06-21 19:20:05 +02:00
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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2011-05-26 02:21:16 +02:00
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" </method>\n" \
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" <method name=\"TerminateSeat\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <signal name=\"SessionNew\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"SessionRemoved\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"UserNew\">\n" \
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" <arg name=\"uid\" type=\"u\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"UserRemoved\">\n" \
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" <arg name=\"uid\" type=\"u\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"SeatNew\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"SeatRemoved\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \
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2011-06-17 15:59:18 +02:00
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" <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
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2011-05-26 02:21:16 +02:00
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" </interface>\n"
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#define INTROSPECTION_BEGIN \
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DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
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"<node>\n" \
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BUS_MANAGER_INTERFACE \
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BUS_PROPERTIES_INTERFACE \
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BUS_PEER_INTERFACE \
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BUS_INTROSPECTABLE_INTERFACE
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#define INTROSPECTION_END \
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"</node>\n"
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#define INTERFACES_LIST \
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BUS_GENERIC_INTERFACES_LIST \
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"org.freedesktop.login1.Manager\0"
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2011-06-17 15:59:18 +02:00
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static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) {
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Manager *m = data;
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bool b;
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assert(i);
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assert(property);
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assert(m);
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b = manager_get_idle_hint(m, NULL);
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
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return -ENOMEM;
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return 0;
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}
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static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) {
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Manager *m = data;
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dual_timestamp t;
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uint64_t u;
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assert(i);
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assert(property);
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assert(m);
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manager_get_idle_hint(m, &t);
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u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u))
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return -ENOMEM;
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return 0;
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}
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2011-05-26 02:21:16 +02:00
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static DBusHandlerResult manager_message_handler(
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DBusConnection *connection,
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DBusMessage *message,
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void *userdata) {
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Manager *m = userdata;
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const BusProperty properties[] = {
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2011-06-17 15:59:18 +02:00
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{ "org.freedesktop.login1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_path },
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{ "org.freedesktop.login1.Manager", "Controllers", bus_property_append_strv, "as", m->controllers },
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{ "org.freedesktop.login1.Manager", "ResetControllers", bus_property_append_strv, "as", m->reset_controllers },
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{ "org.freedesktop.login1.Manager", "NAutoVTs", bus_property_append_unsigned, "u", &m->n_autovts },
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{ "org.freedesktop.login1.Manager", "KillOnlyUsers", bus_property_append_strv, "as", m->kill_only_users },
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{ "org.freedesktop.login1.Manager", "KillExcludeUsers", bus_property_append_strv, "as", m->kill_exclude_users },
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{ "org.freedesktop.login1.Manager", "KillUserProcesses", bus_property_append_bool, "b", &m->kill_user_processes },
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{ "org.freedesktop.login1.Manager", "IdleHint", bus_manager_append_idle_hint, "b", m },
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{ "org.freedesktop.login1.Manager", "IdleSinceHint", bus_manager_append_idle_hint_since, "t", m },
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{ "org.freedesktop.login1.Manager", "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", m },
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2011-05-26 02:21:16 +02:00
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{ NULL, NULL, NULL, NULL, NULL }
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};
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DBusError error;
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DBusMessage *reply = NULL;
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2011-06-21 19:20:05 +02:00
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int r;
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2011-05-26 02:21:16 +02:00
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assert(connection);
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assert(message);
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assert(m);
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dbus_error_init(&error);
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2011-06-21 19:20:05 +02:00
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if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) {
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const char *name;
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char *p;
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Session *session;
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bool b;
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if (!dbus_message_get_args(
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message,
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&error,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID))
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return bus_send_error_reply(connection, message, &error, -EINVAL);
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session = hashmap_get(m->sessions, name);
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if (!session)
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return bus_send_error_reply(connection, message, &error, -ENOENT);
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reply = dbus_message_new_method_return(message);
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if (!reply)
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goto oom;
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p = session_bus_path(session);
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if (!p)
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goto oom;
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b = dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &p,
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DBUS_TYPE_INVALID);
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free(p);
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if (!b)
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) {
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uint32_t uid;
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char *p;
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User *user;
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bool b;
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if (!dbus_message_get_args(
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message,
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&error,
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DBUS_TYPE_UINT32, &uid,
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DBUS_TYPE_INVALID))
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return bus_send_error_reply(connection, message, &error, -EINVAL);
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user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
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if (!user)
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return bus_send_error_reply(connection, message, &error, -ENOENT);
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reply = dbus_message_new_method_return(message);
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if (!reply)
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goto oom;
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p = user_bus_path(user);
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if (!p)
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goto oom;
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b = dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &p,
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DBUS_TYPE_INVALID);
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free(p);
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if (!b)
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) {
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const char *name;
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char *p;
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Seat *seat;
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bool b;
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if (!dbus_message_get_args(
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message,
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&error,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID))
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return bus_send_error_reply(connection, message, &error, -EINVAL);
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seat = hashmap_get(m->seats, name);
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if (!seat)
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return bus_send_error_reply(connection, message, &error, -ENOENT);
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reply = dbus_message_new_method_return(message);
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if (!reply)
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goto oom;
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p = seat_bus_path(seat);
|
|
|
|
|
if (!p)
|
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
|
|
b = dbus_message_append_args(
|
|
|
|
|
reply,
|
|
|
|
|
DBUS_TYPE_OBJECT_PATH, &p,
|
|
|
|
|
DBUS_TYPE_INVALID);
|
|
|
|
|
free(p);
|
|
|
|
|
|
|
|
|
|
if (!b)
|
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) {
|
|
|
|
|
const char *name;
|
|
|
|
|
Session *session;
|
|
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(
|
|
|
|
|
message,
|
|
|
|
|
&error,
|
|
|
|
|
DBUS_TYPE_STRING, &name,
|
|
|
|
|
DBUS_TYPE_INVALID))
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
|
|
|
|
|
|
session = hashmap_get(m->sessions, name);
|
|
|
|
|
if (!session)
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
|
|
|
|
|
|
r = session_activate(session);
|
|
|
|
|
if (r < 0)
|
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
|
|
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
|
|
|
if (!reply)
|
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) {
|
|
|
|
|
const char *name;
|
|
|
|
|
Session *session;
|
|
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(
|
|
|
|
|
message,
|
|
|
|
|
&error,
|
|
|
|
|
DBUS_TYPE_STRING, &name,
|
|
|
|
|
DBUS_TYPE_INVALID))
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
|
|
|
|
|
|
session = hashmap_get(m->sessions, name);
|
|
|
|
|
if (!session)
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
|
|
|
|
|
|
r = session_stop(session);
|
|
|
|
|
if (r < 0)
|
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
|
|
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
|
|
|
if (!reply)
|
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) {
|
|
|
|
|
uint32_t uid;
|
|
|
|
|
User *user;
|
|
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(
|
|
|
|
|
message,
|
|
|
|
|
&error,
|
|
|
|
|
DBUS_TYPE_UINT32, &uid,
|
|
|
|
|
DBUS_TYPE_INVALID))
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
|
|
|
|
|
|
user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
|
|
|
|
|
if (!user)
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
|
|
|
|
|
|
r = user_stop(user);
|
|
|
|
|
if (r < 0)
|
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
|
|
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
|
|
|
if (!reply)
|
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) {
|
|
|
|
|
const char *name;
|
|
|
|
|
Seat *seat;
|
|
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(
|
|
|
|
|
message,
|
|
|
|
|
&error,
|
|
|
|
|
DBUS_TYPE_STRING, &name,
|
|
|
|
|
DBUS_TYPE_INVALID))
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
|
|
|
|
|
|
seat = hashmap_get(m->seats, name);
|
|
|
|
|
if (!seat)
|
|
|
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
|
|
|
|
|
|
r = seat_stop_sessions(seat);
|
|
|
|
|
if (r < 0)
|
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
|
|
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
|
|
|
if (!reply)
|
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
|
2011-05-26 02:21:16 +02:00
|
|
|
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, "<node name=\"seat/%s\"/>", p);
|
|
|
|
|
free(p);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
HASHMAP_FOREACH(user, m->users, i)
|
|
|
|
|
fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid);
|
|
|
|
|
|
|
|
|
|
HASHMAP_FOREACH(session, m->sessions, i) {
|
|
|
|
|
p = bus_path_escape(session->id);
|
|
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
|
fprintf(f, "<node name=\"session/%s\"/>", 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
|
|
|
|
|
};
|
