889 lines
40 KiB
C
889 lines
40 KiB
C
/*-*- 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 2010 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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#include <errno.h>
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#include "dbus.h"
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#include "log.h"
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#include "dbus-manager.h"
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#include "strv.h"
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#include "bus-errors.h"
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#define BUS_MANAGER_INTERFACE \
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" <interface name=\"org.freedesktop.systemd1.Manager\">\n" \
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" <method name=\"GetUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"GetUnitByPID\">\n" \
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" <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"LoadUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"StartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"StopUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ReloadUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"RestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"TryRestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ReloadOrRestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ReloadOrTryRestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ResetMaintenanceUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"GetJob\">\n" \
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" <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ClearJobs\"/>\n" \
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" <method name=\"ResetMaintenance\"/>\n" \
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" <method name=\"ListUnits\">\n" \
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" <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ListJobs\">\n" \
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" <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"Subscribe\"/>\n" \
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" <method name=\"Unsubscribe\"/>\n" \
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" <method name=\"Dump\"/>\n" \
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" <method name=\"CreateSnapshot\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"Reload\"/>\n" \
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" <method name=\"Reexecute\"/>\n" \
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" <method name=\"Exit\"/>\n" \
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" <method name=\"SetEnvironment\">\n" \
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" <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"UnsetEnvironment\">\n" \
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" <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <signal name=\"UnitNew\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"unit\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"UnitRemoved\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"unit\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"JobNew\">\n" \
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" <arg name=\"id\" type=\"u\"/>\n" \
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" <arg name=\"job\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"JobRemoved\">\n" \
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" <arg name=\"id\" type=\"u\"/>\n" \
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" <arg name=\"job\" type=\"o\"/>\n" \
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" <arg name=\"success\" type=\"b\"/>\n" \
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" </signal>" \
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" <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"LogLevel\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"LogTarget\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"ConfirmSpawn\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"ShowStatus\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"SysVConsole\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"UnitPath\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"SysVInitPath\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"SysVRcndPath\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"NotifySocket\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
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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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const char bus_manager_interface[] = BUS_MANAGER_INTERFACE;
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static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
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static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) {
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const char *t;
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assert(m);
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assert(i);
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assert(property);
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t = log_target_to_string(log_get_target());
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
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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_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) {
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const char *t;
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assert(m);
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assert(i);
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assert(property);
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t = log_level_to_string(log_get_max_level());
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
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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_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) {
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uint32_t u;
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assert(m);
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assert(i);
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assert(property);
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u = hashmap_size(m->units);
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
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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_n_jobs(Manager *m, DBusMessageIter *i, const char *property, void *data) {
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uint32_t u;
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assert(m);
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assert(i);
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assert(property);
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u = hashmap_size(m->jobs);
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
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return -ENOMEM;
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return 0;
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}
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static const char *message_get_sender_with_fallback(DBusMessage *m) {
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const char *s;
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assert(m);
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if ((s = dbus_message_get_sender(m)))
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return s;
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/* When the message came in from a direct connection the
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* message will have no sender. We fix that here. */
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return ":no-sender";
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}
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static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
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Manager *m = data;
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const BusProperty properties[] = {
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{ "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING },
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{ "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as },
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{ "org.freedesktop.systemd1.Manager", "StartupTimestamp", bus_property_append_uint64, "t", &m->startup_timestamp.realtime },
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{ "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", NULL },
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{ "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", NULL },
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{ "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", NULL },
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{ "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL },
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{ "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment },
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{ "org.freedesktop.systemd1.Manager", "ConfirmSpawn", bus_property_append_bool, "b", &m->confirm_spawn },
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{ "org.freedesktop.systemd1.Manager", "ShowStatus", bus_property_append_bool, "b", &m->show_status },
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{ "org.freedesktop.systemd1.Manager", "SysVConsole", bus_property_append_bool, "b", &m->sysv_console },
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{ "org.freedesktop.systemd1.Manager", "UnitPath", bus_property_append_strv, "as", m->lookup_paths.unit_path },
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{ "org.freedesktop.systemd1.Manager", "SysVInitPath", bus_property_append_strv, "as", m->lookup_paths.sysvinit_path },
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{ "org.freedesktop.systemd1.Manager", "SysVRcndPath", bus_property_append_strv, "as", m->lookup_paths.sysvrcnd_path },
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{ "org.freedesktop.systemd1.Manager", "NotifySocket", bus_property_append_string, "s", m->notify_socket },
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{ "org.freedesktop.systemd1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_hierarchy },
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{ NULL, NULL, NULL, NULL, NULL }
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};
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int r;
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DBusError error;
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DBusMessage *reply = NULL;
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char * path = NULL;
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JobType job_type = _JOB_TYPE_INVALID;
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bool reload_if_possible = false;
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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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if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
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const char *name;
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Unit *u;
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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(m, connection, message, &error, -EINVAL);
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if (!(u = manager_get_unit(m, name))) {
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dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
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return bus_send_error_reply(m, connection, message, &error, -ENOENT);
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}
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if (!(reply = dbus_message_new_method_return(message)))
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goto oom;
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if (!(path = unit_dbus_path(u)))
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goto oom;
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if (!dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_INVALID))
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitByPID")) {
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Unit *u;
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uint32_t pid;
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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, &pid,
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DBUS_TYPE_INVALID))
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return bus_send_error_reply(m, connection, message, &error, -EINVAL);
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if (!(u = cgroup_unit_by_pid(m, (pid_t) pid))) {
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dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "No unit for PID %lu is loaded.", (unsigned long) pid);
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return bus_send_error_reply(m, connection, message, &error, -ENOENT);
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}
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if (!(reply = dbus_message_new_method_return(message)))
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goto oom;
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if (!(path = unit_dbus_path(u)))
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goto oom;
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if (!dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_INVALID))
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
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const char *name;
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Unit *u;
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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(m, connection, message, &error, -EINVAL);
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if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
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return bus_send_error_reply(m, connection, message, &error, r);
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if (!(reply = dbus_message_new_method_return(message)))
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goto oom;
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if (!(path = unit_dbus_path(u)))
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goto oom;
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if (!dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_INVALID))
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
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job_type = JOB_START;
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else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
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job_type = JOB_STOP;
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else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
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job_type = JOB_RELOAD;
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else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
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job_type = JOB_RESTART;
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else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "TryRestartUnit"))
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job_type = JOB_TRY_RESTART;
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else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrRestartUnit")) {
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reload_if_possible = true;
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job_type = JOB_RESTART;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) {
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reload_if_possible = true;
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job_type = JOB_TRY_RESTART;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
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uint32_t id;
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Job *j;
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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, &id,
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DBUS_TYPE_INVALID))
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return bus_send_error_reply(m, connection, message, &error, -EINVAL);
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if (!(j = manager_get_job(m, id))) {
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dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
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return bus_send_error_reply(m, connection, message, &error, -ENOENT);
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}
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if (!(reply = dbus_message_new_method_return(message)))
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goto oom;
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if (!(path = job_dbus_path(j)))
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goto oom;
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if (!dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_INVALID))
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
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manager_clear_jobs(m);
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if (!(reply = dbus_message_new_method_return(message)))
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetMaintenance")) {
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manager_reset_maintenance(m);
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if (!(reply = dbus_message_new_method_return(message)))
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetMaintenanceUnit")) {
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const char *name;
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Unit *u;
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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(m, connection, message, &error, -EINVAL);
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if (!(u = manager_get_unit(m, name))) {
|
|
dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
|
|
return bus_send_error_reply(m, connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
unit_reset_maintenance(u);
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
|
|
DBusMessageIter iter, sub;
|
|
Iterator i;
|
|
Unit *u;
|
|
const char *k;
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssssouso)", &sub))
|
|
goto oom;
|
|
|
|
HASHMAP_FOREACH_KEY(u, k, m->units, i) {
|
|
char *u_path, *j_path;
|
|
const char *description, *load_state, *active_state, *sub_state, *sjob_type, *following;
|
|
DBusMessageIter sub2;
|
|
uint32_t job_id;
|
|
Unit *f;
|
|
|
|
if (k != u->meta.id)
|
|
continue;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
|
|
goto oom;
|
|
|
|
description = unit_description(u);
|
|
load_state = unit_load_state_to_string(u->meta.load_state);
|
|
active_state = unit_active_state_to_string(unit_active_state(u));
|
|
sub_state = unit_sub_state_to_string(u);
|
|
|
|
f = unit_following(u);
|
|
following = f ? f->meta.id : "";
|
|
|
|
if (!(u_path = unit_dbus_path(u)))
|
|
goto oom;
|
|
|
|
if (u->meta.job) {
|
|
job_id = (uint32_t) u->meta.job->id;
|
|
|
|
if (!(j_path = job_dbus_path(u->meta.job))) {
|
|
free(u_path);
|
|
goto oom;
|
|
}
|
|
|
|
sjob_type = job_type_to_string(u->meta.job->type);
|
|
} else {
|
|
job_id = 0;
|
|
j_path = u_path;
|
|
sjob_type = "";
|
|
}
|
|
|
|
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &following) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
|
|
free(u_path);
|
|
if (u->meta.job)
|
|
free(j_path);
|
|
goto oom;
|
|
}
|
|
|
|
free(u_path);
|
|
if (u->meta.job)
|
|
free(j_path);
|
|
|
|
if (!dbus_message_iter_close_container(&sub, &sub2))
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListJobs")) {
|
|
DBusMessageIter iter, sub;
|
|
Iterator i;
|
|
Job *j;
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(usssoo)", &sub))
|
|
goto oom;
|
|
|
|
HASHMAP_FOREACH(j, m->jobs, i) {
|
|
char *u_path, *j_path;
|
|
const char *state, *type;
|
|
uint32_t id;
|
|
DBusMessageIter sub2;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
|
|
goto oom;
|
|
|
|
id = (uint32_t) j->id;
|
|
state = job_state_to_string(j->state);
|
|
type = job_type_to_string(j->type);
|
|
|
|
if (!(j_path = job_dbus_path(j)))
|
|
goto oom;
|
|
|
|
if (!(u_path = unit_dbus_path(j->unit))) {
|
|
free(j_path);
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->meta.id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
|
|
free(j_path);
|
|
free(u_path);
|
|
goto oom;
|
|
}
|
|
|
|
free(j_path);
|
|
free(u_path);
|
|
|
|
if (!dbus_message_iter_close_container(&sub, &sub2))
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Subscribe")) {
|
|
char *client;
|
|
Set *s;
|
|
|
|
if (!(s = BUS_CONNECTION_SUBSCRIBED(m, connection))) {
|
|
if (!(s = set_new(string_hash_func, string_compare_func)))
|
|
goto oom;
|
|
|
|
if (!(dbus_connection_set_data(connection, m->subscribed_data_slot, s, NULL))) {
|
|
set_free(s);
|
|
goto oom;
|
|
}
|
|
}
|
|
|
|
if (!(client = strdup(message_get_sender_with_fallback(message))))
|
|
goto oom;
|
|
|
|
if ((r = set_put(s, client)) < 0) {
|
|
free(client);
|
|
return bus_send_error_reply(m, connection, message, NULL, r);
|
|
}
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
|
|
char *client;
|
|
|
|
if (!(client = set_remove(BUS_CONNECTION_SUBSCRIBED(m, connection), (char*) message_get_sender_with_fallback(message)))) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
|
|
return bus_send_error_reply(m, connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
free(client);
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
|
|
FILE *f;
|
|
char *dump = NULL;
|
|
size_t size;
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
if (!(f = open_memstream(&dump, &size)))
|
|
goto oom;
|
|
|
|
manager_dump_units(m, f, NULL);
|
|
manager_dump_jobs(m, f, NULL);
|
|
|
|
if (ferror(f)) {
|
|
fclose(f);
|
|
free(dump);
|
|
goto oom;
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
|
|
free(dump);
|
|
goto oom;
|
|
}
|
|
|
|
free(dump);
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
|
|
const char *name;
|
|
dbus_bool_t cleanup;
|
|
Snapshot *s;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_BOOLEAN, &cleanup,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
|
|
|
|
if (name && name[0] == 0)
|
|
name = NULL;
|
|
|
|
if ((r = snapshot_create(m, name, cleanup, &error, &s)) < 0)
|
|
return bus_send_error_reply(m, connection, message, &error, r);
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
if (!(path = unit_dbus_path(UNIT(s))))
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
|
|
char *introspection = NULL;
|
|
FILE *f;
|
|
Iterator i;
|
|
Unit *u;
|
|
Job *j;
|
|
const char *k;
|
|
size_t size;
|
|
|
|
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_KEY(u, k, m->units, i) {
|
|
char *p;
|
|
|
|
if (k != u->meta.id)
|
|
continue;
|
|
|
|
if (!(p = bus_path_escape(k))) {
|
|
fclose(f);
|
|
free(introspection);
|
|
goto oom;
|
|
}
|
|
|
|
fprintf(f, "<node name=\"unit/%s\"/>", p);
|
|
free(p);
|
|
}
|
|
|
|
HASHMAP_FOREACH(j, m->jobs, i)
|
|
fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
|
|
|
|
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 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
|
|
|
|
assert(!m->queued_message);
|
|
|
|
/* Instead of sending the reply back right away, we
|
|
* just remember that we need to and then send it
|
|
* after the reload is finished. That way the caller
|
|
* knows when the reload finished. */
|
|
|
|
if (!(m->queued_message = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
m->queued_message_connection = connection;
|
|
m->exit_code = MANAGER_RELOAD;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_REEXECUTE;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
|
|
|
|
if (m->running_as == MANAGER_SYSTEM) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for session managers.");
|
|
return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
|
|
}
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_EXIT;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
|
|
char **l = NULL, **e = NULL;
|
|
|
|
if ((r = bus_parse_strv(message, &l)) < 0) {
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
|
|
return bus_send_error_reply(m, connection, message, NULL, r);
|
|
}
|
|
|
|
e = strv_env_merge(2, m->environment, l);
|
|
strv_free(l);
|
|
|
|
if (!e)
|
|
goto oom;
|
|
|
|
if (!(reply = dbus_message_new_method_return(message))) {
|
|
strv_free(e);
|
|
goto oom;
|
|
}
|
|
|
|
strv_free(m->environment);
|
|
m->environment = e;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
|
|
char **l = NULL, **e = NULL;
|
|
|
|
if ((r = bus_parse_strv(message, &l)) < 0) {
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
|
|
return bus_send_error_reply(m, connection, message, NULL, r);
|
|
}
|
|
|
|
e = strv_env_delete(m->environment, 1, l);
|
|
strv_free(l);
|
|
|
|
if (!e)
|
|
goto oom;
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
strv_free(m->environment);
|
|
m->environment = e;
|
|
|
|
} else
|
|
return bus_default_message_handler(m, connection, message, NULL, properties);
|
|
|
|
if (job_type != _JOB_TYPE_INVALID) {
|
|
const char *name, *smode;
|
|
JobMode mode;
|
|
Job *j;
|
|
Unit *u;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &smode,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
|
|
|
|
if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID) {
|
|
dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode);
|
|
return bus_send_error_reply(m, connection, message, &error, -EINVAL);
|
|
}
|
|
|
|
if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
|
|
return bus_send_error_reply(m, connection, message, &error, r);
|
|
|
|
if (reload_if_possible && unit_can_reload(u)) {
|
|
if (job_type == JOB_RESTART)
|
|
job_type = JOB_RELOAD_OR_START;
|
|
else if (job_type == JOB_TRY_RESTART)
|
|
job_type = JOB_RELOAD;
|
|
}
|
|
|
|
if ((job_type == JOB_START && u->meta.refuse_manual_start) ||
|
|
(job_type == JOB_STOP && u->meta.refuse_manual_stop) ||
|
|
((job_type == JOB_RESTART || job_type == JOB_TRY_RESTART) &&
|
|
(u->meta.refuse_manual_start || u->meta.refuse_manual_stop))) {
|
|
dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, may be requested by dependency only.");
|
|
return bus_send_error_reply(m, connection, message, &error, -EPERM);
|
|
}
|
|
|
|
if ((r = manager_add_job(m, job_type, u, mode, true, &error, &j)) < 0)
|
|
return bus_send_error_reply(m, connection, message, &error, r);
|
|
|
|
if (!(j->bus_client = strdup(message_get_sender_with_fallback(message))))
|
|
goto oom;
|
|
|
|
j->bus = connection;
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
if (!(path = job_dbus_path(j)))
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
}
|
|
|
|
free(path);
|
|
|
|
if (reply) {
|
|
if (!dbus_connection_send(connection, reply, NULL))
|
|
goto oom;
|
|
|
|
dbus_message_unref(reply);
|
|
}
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
oom:
|
|
free(path);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return DBUS_HANDLER_RESULT_NEED_MEMORY;
|
|
}
|
|
|
|
const DBusObjectPathVTable bus_manager_vtable = {
|
|
.message_function = bus_manager_message_handler
|
|
};
|