| /*-*- 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 "strv.h" |
| #include "path-util.h" |
| #include "unit.h" |
| #include "service.h" |
| #include "dbus-unit.h" |
| #include "dbus-execute.h" |
| #include "dbus-kill.h" |
| #include "dbus-cgroup.h" |
| #include "dbus-service.h" |
| #include "bus-util.h" |
| |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, service_type, ServiceType); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, service_result, ServiceResult); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_restart, service_restart, ServiceRestart); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_notify_access, notify_access, NotifyAccess); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_failure_action, failure_action, FailureAction); |
| |
| const sd_bus_vtable bus_service_vtable[] = { |
| SD_BUS_VTABLE_START(0), |
| SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Service, type), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Restart", "s", property_get_restart, offsetof(Service, restart), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PIDFile", "s", NULL, offsetof(Service, pid_file), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("NotifyAccess", "s", property_get_notify_access, offsetof(Service, notify_access), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RestartUSec", "t", bus_property_get_usec, offsetof(Service, restart_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("TimeoutStartUSec", "t", bus_property_get_usec, offsetof(Service, timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Service, timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("WatchdogUSec", "t", bus_property_get_usec, offsetof(Service, watchdog_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("WatchdogTimestamp", offsetof(Service, watchdog_timestamp), 0), |
| SD_BUS_PROPERTY("StartLimitInterval", "t", bus_property_get_usec, offsetof(Service, start_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Service, start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("StartLimitAction", "s", property_get_failure_action, offsetof(Service, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Service, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("FailureAction", "s", property_get_failure_action, offsetof(Service, failure_action), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("GuessMainPID", "b", bus_property_get_bool, offsetof(Service, guess_main_pid), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("MainPID", "u", bus_property_get_pid, offsetof(Service, main_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("StatusErrno", "i", NULL, offsetof(Service, status_errno), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| BUS_EXEC_STATUS_VTABLE("ExecMain", offsetof(Service, main_exec_status), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
| BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
| BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
| BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
| BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
| BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
| SD_BUS_VTABLE_END |
| }; |
| |
| static int bus_service_set_transient_property( |
| Service *s, |
| const char *name, |
| sd_bus_message *message, |
| UnitSetPropertiesMode mode, |
| sd_bus_error *error) { |
| |
| int r; |
| |
| assert(s); |
| assert(name); |
| assert(message); |
| |
| if (streq(name, "RemainAfterExit")) { |
| int b; |
| |
| r = sd_bus_message_read(message, "b", &b); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| s->remain_after_exit = b; |
| unit_write_drop_in_private_format(UNIT(s), mode, name, "RemainAfterExit=%s\n", yes_no(b)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "Type")) { |
| const char *t; |
| ServiceType k; |
| |
| r = sd_bus_message_read(message, "s", &t); |
| if (r < 0) |
| return r; |
| |
| k = service_type_from_string(t); |
| if (k < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service type %s", t); |
| |
| if (mode != UNIT_CHECK) { |
| s->type = k; |
| unit_write_drop_in_private_format(UNIT(s), mode, name, "Type=%s\n", service_type_to_string(s->type)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "ExecStart")) { |
| unsigned n = 0; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(sasb)"); |
| if (r < 0) |
| return r; |
| |
| while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) { |
| _cleanup_strv_free_ char **argv = NULL; |
| const char *path; |
| int b; |
| |
| r = sd_bus_message_read(message, "s", &path); |
| if (r < 0) |
| return r; |
| |
| if (!path_is_absolute(path)) |
| return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path); |
| |
| r = sd_bus_message_read_strv(message, &argv); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "b", &b); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| ExecCommand *c; |
| |
| c = new0(ExecCommand, 1); |
| if (!c) |
| return -ENOMEM; |
| |
| c->path = strdup(path); |
| if (!c->path) { |
| free(c); |
| return -ENOMEM; |
| } |
| |
| c->argv = argv; |
| argv = NULL; |
| |
| c->ignore = b; |
| |
| path_kill_slashes(c->path); |
| exec_command_append_list(&s->exec_command[SERVICE_EXEC_START], c); |
| } |
| |
| n++; |
| } |
| |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| _cleanup_free_ char *buf = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| ExecCommand *c; |
| size_t size = 0; |
| |
| if (n == 0) { |
| exec_command_free_list(s->exec_command[SERVICE_EXEC_START]); |
| s->exec_command[SERVICE_EXEC_START] = NULL; |
| } |
| |
| f = open_memstream(&buf, &size); |
| if (!f) |
| return -ENOMEM; |
| |
| fputs("ExecStart=\n", f); |
| |
| LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) { |
| _cleanup_free_ char *a; |
| |
| a = strv_join_quoted(c->argv); |
| if (!a) |
| return -ENOMEM; |
| |
| fprintf(f, "ExecStart=%s@%s %s\n", |
| c->ignore ? "-" : "", |
| c->path, |
| a); |
| } |
| |
| fflush(f); |
| unit_write_drop_in_private(UNIT(s), mode, name, buf); |
| } |
| |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| int bus_service_set_property( |
| Unit *u, |
| const char *name, |
| sd_bus_message *message, |
| UnitSetPropertiesMode mode, |
| sd_bus_error *error) { |
| |
| Service *s = SERVICE(u); |
| int r; |
| |
| assert(s); |
| assert(name); |
| assert(message); |
| |
| r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error); |
| if (r != 0) |
| return r; |
| |
| if (u->transient && u->load_state == UNIT_STUB) { |
| /* This is a transient unit, let's load a little more */ |
| |
| r = bus_service_set_transient_property(s, name, message, mode, error); |
| if (r != 0) |
| return r; |
| |
| r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, mode, error); |
| if (r != 0) |
| return r; |
| |
| r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error); |
| if (r != 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| int bus_service_commit_properties(Unit *u) { |
| assert(u); |
| |
| unit_update_cgroup_members_masks(u); |
| unit_realize_cgroup(u); |
| |
| return 0; |
| } |