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Diffstat (limited to 'src/core/dbus-service.c')
| -rw-r--r-- | src/core/dbus-service.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/core/dbus-service.c b/src/core/dbus-service.c new file mode 100644 index 0000000000..d99058dd46 --- /dev/null +++ b/src/core/dbus-service.c @@ -0,0 +1,161 @@ +/*-*- 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-execute.h" +#include "dbus-kill.h" +#include "dbus-service.h" +#include "dbus-common.h" +#include "selinux-access.h" + +#define BUS_SERVICE_INTERFACE \ + " <interface name=\"org.freedesktop.systemd1.Service\">\n" \ + " <property name=\"Type\" type=\"s\" access=\"read\"/>\n" \ + " <property name=\"Restart\" type=\"s\" access=\"read\"/>\n" \ + " <property name=\"PIDFile\" type=\"s\" access=\"read\"/>\n" \ + " <property name=\"NotifyAccess\" type=\"s\" access=\"read\"/>\n" \ + " <property name=\"RestartUSec\" type=\"t\" access=\"read\"/>\n" \ + " <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \ + " <property name=\"WatchdogUSec\" type=\"t\" access=\"read\"/>\n" \ + " <property name=\"WatchdogTimestamp\" type=\"t\" access=\"read\"/>\n" \ + " <property name=\"WatchdogTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \ + " <property name=\"StartLimitInterval\" type=\"t\" access=\"read\"/>\n" \ + " <property name=\"StartLimitBurst\" type=\"u\" access=\"read\"/>\n" \ + " <property name=\"StartLimitAction\" type=\"s\" access=\"readwrite\"/>\n" \ + BUS_EXEC_COMMAND_INTERFACE("ExecStartPre") \ + BUS_EXEC_COMMAND_INTERFACE("ExecStart") \ + BUS_EXEC_COMMAND_INTERFACE("ExecStartPost") \ + BUS_EXEC_COMMAND_INTERFACE("ExecReload") \ + BUS_EXEC_COMMAND_INTERFACE("ExecStop") \ + BUS_EXEC_COMMAND_INTERFACE("ExecStopPost") \ + BUS_EXEC_CONTEXT_INTERFACE \ + BUS_KILL_CONTEXT_INTERFACE \ + " <property name=\"PermissionsStartOnly\" type=\"b\" access=\"read\"/>\n" \ + " <property name=\"RootDirectoryStartOnly\" type=\"b\" access=\"read\"/>\n" \ + " <property name=\"RemainAfterExit\" type=\"b\" access=\"read\"/>\n" \ + BUS_EXEC_STATUS_INTERFACE("ExecMain") \ + " <property name=\"MainPID\" type=\"u\" access=\"read\"/>\n" \ + " <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \ + " <property name=\"BusName\" type=\"s\" access=\"read\"/>\n" \ + " <property name=\"StatusText\" type=\"s\" 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_SERVICE_INTERFACE \ + BUS_PROPERTIES_INTERFACE \ + BUS_PEER_INTERFACE \ + BUS_INTROSPECTABLE_INTERFACE \ + "</node>\n" + +#define INTERFACES_LIST \ + BUS_UNIT_INTERFACES_LIST \ + "org.freedesktop.systemd1.Service\0" + +const char bus_service_interface[] _introspect_("Service") = BUS_SERVICE_INTERFACE; + +const char bus_service_invalidating_properties[] = + "ExecStartPre\0" + "ExecStart\0" + "ExecStartPost\0" + "ExecReload\0" + "ExecStop\0" + "ExecStopPost\0" + "ExecMain\0" + "WatchdogTimestamp\0" + "WatchdogTimestampMonotonic\0" + "MainPID\0" + "ControlPID\0" + "StatusText\0" + "Result\0"; + +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_type, service_type, ServiceType); +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_restart, service_restart, ServiceRestart); +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_notify_access, notify_access, NotifyAccess); +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_service_result, service_result, ServiceResult); +static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_start_limit_action, start_limit_action, StartLimitAction); +static DEFINE_BUS_PROPERTY_SET_ENUM(bus_service_set_start_limit_action, start_limit_action, StartLimitAction); + +static const BusProperty bus_exec_main_status_properties[] = { + { "ExecMainStartTimestamp", bus_property_append_usec, "t", offsetof(ExecStatus, start_timestamp.realtime) }, + { "ExecMainStartTimestampMonotonic",bus_property_append_usec, "t", offsetof(ExecStatus, start_timestamp.monotonic) }, + { "ExecMainExitTimestamp", bus_property_append_usec, "t", offsetof(ExecStatus, start_timestamp.realtime) }, + { "ExecMainExitTimestampMonotonic", bus_property_append_usec, "t", offsetof(ExecStatus, start_timestamp.monotonic) }, + { "ExecMainPID", bus_property_append_pid, "u", offsetof(ExecStatus, pid) }, + { "ExecMainCode", bus_property_append_int, "i", offsetof(ExecStatus, code) }, + { "ExecMainStatus", bus_property_append_int, "i", offsetof(ExecStatus, status) }, + { NULL, } +}; + +static const BusProperty bus_service_properties[] = { + { "Type", bus_service_append_type, "s", offsetof(Service, type) }, + { "Restart", bus_service_append_restart, "s", offsetof(Service, restart) }, + { "PIDFile", bus_property_append_string, "s", offsetof(Service, pid_file), true }, + { "NotifyAccess", bus_service_append_notify_access, "s", offsetof(Service, notify_access) }, + { "RestartUSec", bus_property_append_usec, "t", offsetof(Service, restart_usec) }, + { "TimeoutUSec", bus_property_append_usec, "t", offsetof(Service, timeout_start_usec) }, + { "TimeoutStartUSec", bus_property_append_usec, "t", offsetof(Service, timeout_start_usec) }, + { "TimeoutStopUSec", bus_property_append_usec, "t", offsetof(Service, timeout_stop_usec) }, + { "WatchdogUSec", bus_property_append_usec, "t", offsetof(Service, watchdog_usec) }, + { "WatchdogTimestamp", bus_property_append_usec, "t", offsetof(Service, watchdog_timestamp.realtime) }, + { "WatchdogTimestampMonotonic",bus_property_append_usec, "t", offsetof(Service, watchdog_timestamp.monotonic) }, + { "StartLimitInterval", bus_property_append_usec, "t", offsetof(Service, start_limit.interval) }, + { "StartLimitBurst", bus_property_append_uint32, "u", offsetof(Service, start_limit.burst) }, + { "StartLimitAction", bus_service_append_start_limit_action,"s", offsetof(Service, start_limit_action), false, bus_service_set_start_limit_action}, + BUS_EXEC_COMMAND_PROPERTY("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), true ), + BUS_EXEC_COMMAND_PROPERTY("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), true ), + BUS_EXEC_COMMAND_PROPERTY("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), true ), + BUS_EXEC_COMMAND_PROPERTY("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), true ), + BUS_EXEC_COMMAND_PROPERTY("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), true ), + BUS_EXEC_COMMAND_PROPERTY("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), true ), + { "PermissionsStartOnly", bus_property_append_bool, "b", offsetof(Service, permissions_start_only) }, + { "RootDirectoryStartOnly", bus_property_append_bool, "b", offsetof(Service, root_directory_start_only) }, + { "RemainAfterExit", bus_property_append_bool, "b", offsetof(Service, remain_after_exit) }, + { "GuessMainPID", bus_property_append_bool, "b", offsetof(Service, guess_main_pid) }, + { "MainPID", bus_property_append_pid, "u", offsetof(Service, main_pid) }, + { "ControlPID", bus_property_append_pid, "u", offsetof(Service, control_pid) }, + { "BusName", bus_property_append_string, "s", offsetof(Service, bus_name), true }, + { "StatusText", bus_property_append_string, "s", offsetof(Service, status_text), true }, + { "Result", bus_service_append_service_result,"s", offsetof(Service, result) }, + { NULL, } +}; + +DBusHandlerResult bus_service_message_handler(Unit *u, DBusConnection *connection, DBusMessage *message) { + Service *s = SERVICE(u); + + const BusBoundProperties bps[] = { + { "org.freedesktop.systemd1.Unit", bus_unit_properties, u }, + { "org.freedesktop.systemd1.Service", bus_service_properties, s }, + { "org.freedesktop.systemd1.Service", bus_exec_context_properties, &s->exec_context }, + { "org.freedesktop.systemd1.Service", bus_kill_context_properties, &s->kill_context }, + { "org.freedesktop.systemd1.Service", bus_exec_main_status_properties, &s->main_exec_status }, + { NULL, } + }; + + SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "status"); + + return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps); +} |