| /*-*- 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 General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <errno.h> |
| |
| #include "dbus.h" |
| #include "log.h" |
| #include "dbus-manager.h" |
| #include "strv.h" |
| #include "bus-errors.h" |
| #include "build.h" |
| |
| #define BUS_MANAGER_INTERFACE_BEGIN \ |
| " <interface name=\"org.freedesktop.systemd1.Manager\">\n" |
| |
| #define BUS_MANAGER_INTERFACE_METHODS \ |
| " <method name=\"GetUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"GetUnitByPID\">\n" \ |
| " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \ |
| " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"LoadUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"StartUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"StartUnitReplace\">\n" \ |
| " <arg name=\"old_unit\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"new_unit\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"StopUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ReloadUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"RestartUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"TryRestartUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ReloadOrRestartUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ReloadOrTryRestartUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"KillUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"signal\" type=\"i\" direction=\"in\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ResetFailedUnit\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"GetJob\">\n" \ |
| " <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \ |
| " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ClearJobs\"/>\n" \ |
| " <method name=\"ResetFailed\"/>\n" \ |
| " <method name=\"ListUnits\">\n" \ |
| " <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ListJobs\">\n" \ |
| " <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"Subscribe\"/>\n" \ |
| " <method name=\"Unsubscribe\"/>\n" \ |
| " <method name=\"Dump\"/>\n" \ |
| " <method name=\"CreateSnapshot\">\n" \ |
| " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"Reload\"/>\n" \ |
| " <method name=\"Reexecute\"/>\n" \ |
| " <method name=\"Exit\"/>\n" \ |
| " <method name=\"Reboot\"/>\n" \ |
| " <method name=\"PowerOff\"/>\n" \ |
| " <method name=\"Halt\"/>\n" \ |
| " <method name=\"KExec\"/>\n" \ |
| " <method name=\"SetEnvironment\">\n" \ |
| " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"UnsetEnvironment\">\n" \ |
| " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \ |
| " </method>\n" |
| |
| #define BUS_MANAGER_INTERFACE_SIGNALS \ |
| " <signal name=\"UnitNew\">\n" \ |
| " <arg name=\"id\" type=\"s\"/>\n" \ |
| " <arg name=\"unit\" type=\"o\"/>\n" \ |
| " </signal>\n" \ |
| " <signal name=\"UnitRemoved\">\n" \ |
| " <arg name=\"id\" type=\"s\"/>\n" \ |
| " <arg name=\"unit\" type=\"o\"/>\n" \ |
| " </signal>\n" \ |
| " <signal name=\"JobNew\">\n" \ |
| " <arg name=\"id\" type=\"u\"/>\n" \ |
| " <arg name=\"job\" type=\"o\"/>\n" \ |
| " </signal>\n" \ |
| " <signal name=\"JobRemoved\">\n" \ |
| " <arg name=\"id\" type=\"u\"/>\n" \ |
| " <arg name=\"job\" type=\"o\"/>\n" \ |
| " <arg name=\"result\" type=\"s\"/>\n" \ |
| " </signal>" |
| |
| #define BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \ |
| " <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"Distribution\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"Features\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"Tainted\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"InitRDTimestamp\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"FinishTimestamp\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"LogLevel\" type=\"s\" access=\"readwrite\"/>\n" \ |
| " <property name=\"LogTarget\" type=\"s\" access=\"readwrite\"/>\n" \ |
| " <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \ |
| " <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \ |
| " <property name=\"NInstalledJobs\" type=\"u\" access=\"read\"/>\n" \ |
| " <property name=\"NFailedJobs\" type=\"u\" access=\"read\"/>\n" \ |
| " <property name=\"Progress\" type=\"d\" access=\"read\"/>\n" \ |
| " <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \ |
| " <property name=\"ConfirmSpawn\" type=\"b\" access=\"read\"/>\n" \ |
| " <property name=\"ShowStatus\" type=\"b\" access=\"read\"/>\n" \ |
| " <property name=\"UnitPath\" type=\"as\" access=\"read\"/>\n" \ |
| " <property name=\"NotifySocket\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"MountAuto\" type=\"b\" access=\"read\"/>\n" \ |
| " <property name=\"SwapAuto\" type=\"b\" access=\"read\"/>\n" \ |
| " <property name=\"DefaultControllers\" type=\"as\" access=\"read\"/>\n" \ |
| " <property name=\"DefaultStandardOutput\" type=\"s\" access=\"read\"/>\n" \ |
| " <property name=\"DefaultStandardError\" type=\"s\" access=\"read\"/>\n" |
| |
| #ifdef HAVE_SYSV_COMPAT |
| #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \ |
| " <property name=\"SysVConsole\" type=\"b\" access=\"read\"/>\n" \ |
| " <property name=\"SysVInitPath\" type=\"as\" access=\"read\"/>\n" \ |
| " <property name=\"SysVRcndPath\" type=\"as\" access=\"read\"/>\n" |
| #else |
| #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV |
| #endif |
| |
| #define BUS_MANAGER_INTERFACE_END \ |
| " </interface>\n" |
| |
| #define BUS_MANAGER_INTERFACE \ |
| BUS_MANAGER_INTERFACE_BEGIN \ |
| BUS_MANAGER_INTERFACE_METHODS \ |
| BUS_MANAGER_INTERFACE_SIGNALS \ |
| BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \ |
| BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \ |
| BUS_MANAGER_INTERFACE_END |
| |
| #define INTROSPECTION_BEGIN \ |
| DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ |
| "<node>\n" \ |
| BUS_MANAGER_INTERFACE \ |
| BUS_PROPERTIES_INTERFACE \ |
| BUS_PEER_INTERFACE \ |
| BUS_INTROSPECTABLE_INTERFACE |
| |
| #define INTROSPECTION_END \ |
| "</node>\n" |
| |
| const char bus_manager_interface[] _introspect_("Manager") = BUS_MANAGER_INTERFACE; |
| |
| static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs); |
| static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_exec_output, exec_output, ExecOutput); |
| |
| static int bus_manager_append_tainted(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| char buf[64] = "", *e = buf, *p = NULL; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| if (path_is_mount_point("/usr") > 0 || dir_is_empty("/usr") > 0) |
| e = stpcpy(e, "usr-separate-fs"); |
| |
| if (readlink_malloc("/etc/mtab", &p) < 0) { |
| if (e != buf) |
| e = stpcpy(e, " "); |
| e = stpcpy(e, "etc-mtab-not-symlink"); |
| } else |
| free(p); |
| |
| t = buf; |
| |
| if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t)) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| t = log_target_to_string(log_get_target()); |
| |
| if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t)) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static int bus_manager_set_log_target(Manager *m, DBusMessageIter *i, const char *property) { |
| const char *t; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| dbus_message_iter_get_basic(i, &t); |
| |
| return log_set_target_from_string(t); |
| } |
| |
| static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| t = log_level_to_string(log_get_max_level()); |
| |
| if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t)) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static int bus_manager_set_log_level(Manager *m, DBusMessageIter *i, const char *property) { |
| const char *t; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| dbus_message_iter_get_basic(i, &t); |
| |
| return log_set_max_level_from_string(t); |
| } |
| |
| static int bus_manager_append_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
| uint32_t u; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| u = hashmap_size(m->units); |
| |
| if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u)) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static int bus_manager_append_n_jobs(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
| uint32_t u; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| u = hashmap_size(m->jobs); |
| |
| if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u)) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static int bus_manager_append_progress(Manager *m, DBusMessageIter *i, const char *property, void *data) { |
| double d; |
| |
| assert(m); |
| assert(i); |
| assert(property); |
| |
| if (dual_timestamp_is_set(&m->finish_timestamp)) |
| d = 1.0; |
| else |
| d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs); |
| |
| if (!dbus_message_iter_append_basic(i, DBUS_TYPE_DOUBLE, &d)) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static const char *message_get_sender_with_fallback(DBusMessage *m) { |
| const char *s; |
| |
| assert(m); |
| |
| if ((s = dbus_message_get_sender(m))) |
| return s; |
| |
| /* When the message came in from a direct connection the |
| * message will have no sender. We fix that here. */ |
| |
| return ":no-sender"; |
| } |
| |
| static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) { |
| Manager *m = data; |
| |
| const BusProperty properties[] = { |
| { "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING }, |
| { "org.freedesktop.systemd1.Manager", "Distribution", bus_property_append_string, "s", DISTRIBUTION }, |
| { "org.freedesktop.systemd1.Manager", "Features", bus_property_append_string, "s", SYSTEMD_FEATURES }, |
| { "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as }, |
| { "org.freedesktop.systemd1.Manager", "Tainted", bus_manager_append_tainted, "s", m }, |
| { "org.freedesktop.systemd1.Manager", "InitRDTimestamp", bus_property_append_uint64, "t", &m->initrd_timestamp.realtime }, |
| { "org.freedesktop.systemd1.Manager", "StartupTimestamp", bus_property_append_uint64, "t", &m->startup_timestamp.realtime }, |
| { "org.freedesktop.systemd1.Manager", "FinishTimestamp", bus_property_append_uint64, "t", &m->finish_timestamp.realtime }, |
| { "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", NULL, bus_manager_set_log_level}, |
| { "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", NULL, bus_manager_set_log_target}, |
| { "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", NULL }, |
| { "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL }, |
| { "org.freedesktop.systemd1.Manager", "NInstalledJobs",bus_property_append_uint32, "u", &m->n_installed_jobs }, |
| { "org.freedesktop.systemd1.Manager", "NFailedJobs", bus_property_append_uint32, "u", &m->n_failed_jobs }, |
| { "org.freedesktop.systemd1.Manager", "Progress", bus_manager_append_progress, "d", NULL }, |
| { "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment }, |
| { "org.freedesktop.systemd1.Manager", "ConfirmSpawn", bus_property_append_bool, "b", &m->confirm_spawn }, |
| { "org.freedesktop.systemd1.Manager", "ShowStatus", bus_property_append_bool, "b", &m->show_status }, |
| { "org.freedesktop.systemd1.Manager", "UnitPath", bus_property_append_strv, "as", m->lookup_paths.unit_path }, |
| { "org.freedesktop.systemd1.Manager", "NotifySocket", bus_property_append_string, "s", m->notify_socket }, |
| { "org.freedesktop.systemd1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_hierarchy }, |
| { "org.freedesktop.systemd1.Manager", "MountAuto", bus_property_append_bool, "b", &m->mount_auto }, |
| { "org.freedesktop.systemd1.Manager", "SwapAuto", bus_property_append_bool, "b", &m->swap_auto }, |
| { "org.freedesktop.systemd1.Manager", "DefaultControllers", bus_property_append_strv, "as", m->default_controllers }, |
| { "org.freedesktop.systemd1.Manager", "DefaultStandardOutput", bus_manager_append_exec_output, "s", &m->default_std_output }, |
| { "org.freedesktop.systemd1.Manager", "DefaultStandardError", bus_manager_append_exec_output, "s", &m->default_std_error }, |
| #ifdef HAVE_SYSV_COMPAT |
| { "org.freedesktop.systemd1.Manager", "SysVConsole", bus_property_append_bool, "b", &m->sysv_console }, |
| { "org.freedesktop.systemd1.Manager", "SysVInitPath", bus_property_append_strv, "as", m->lookup_paths.sysvinit_path }, |
| { "org.freedesktop.systemd1.Manager", "SysVRcndPath", bus_property_append_strv, "as", m->lookup_paths.sysvrcnd_path }, |
| #endif |
| { NULL, NULL, NULL, NULL, NULL } |
| }; |
| |
| int r; |
| DBusError error; |
| DBusMessage *reply = NULL; |
| char * path = NULL; |
| JobType job_type = _JOB_TYPE_INVALID; |
| bool reload_if_possible = false; |
| |
| assert(connection); |
| assert(message); |
| assert(m); |
| |
| dbus_error_init(&error); |
| |
| if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) { |
| const char *name; |
| Unit *u; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(m, connection, message, &error, -EINVAL); |
| |
| 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); |
| } |
| |
| if (!(reply = dbus_message_new_method_return(message))) |
| goto oom; |
| |
| if (!(path = unit_dbus_path(u))) |
| 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.systemd1.Manager", "GetUnitByPID")) { |
| Unit *u; |
| uint32_t pid; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_UINT32, &pid, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(m, connection, message, &error, -EINVAL); |
| |
| if (!(u = cgroup_unit_by_pid(m, (pid_t) pid))) { |
| dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "No unit for PID %lu is loaded.", (unsigned long) pid); |
| return bus_send_error_reply(m, connection, message, &error, -ENOENT); |
| } |
| |
| if (!(reply = dbus_message_new_method_return(message))) |
| goto oom; |
| |
| if (!(path = unit_dbus_path(u))) |
| 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.systemd1.Manager", "LoadUnit")) { |
| const char *name; |
| Unit *u; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_INVALID)) |
| 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 (!(reply = dbus_message_new_method_return(message))) |
| goto oom; |
| |
| if (!(path = unit_dbus_path(u))) |
| 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.systemd1.Manager", "StartUnit")) |
| job_type = JOB_START; |
| else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace")) |
| job_type = JOB_START; |
| else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit")) |
| job_type = JOB_STOP; |
| else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit")) |
| job_type = JOB_RELOAD; |
| else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit")) |
| job_type = JOB_RESTART; |
| else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "TryRestartUnit")) |
| job_type = JOB_TRY_RESTART; |
| else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrRestartUnit")) { |
| reload_if_possible = true; |
| job_type = JOB_RESTART; |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) { |
| reload_if_possible = true; |
| job_type = JOB_TRY_RESTART; |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KillUnit")) { |
| const char *name, *swho, *smode; |
| int32_t signo; |
| Unit *u; |
| KillMode mode; |
| KillWho who; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &swho, |
| DBUS_TYPE_STRING, &smode, |
| DBUS_TYPE_INT32, &signo, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(m, connection, message, &error, -EINVAL); |
| |
| if ((mode = kill_mode_from_string(smode)) < 0 || |
| (who = kill_who_from_string(swho)) < 0 || |
| signo <= 0 || |
| signo >= _NSIG) |
| return bus_send_error_reply(m, connection, message, &error, -EINVAL); |
| |
| 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); |
| } |
| |
| if ((r = unit_kill(u, who, mode, signo, &error)) < 0) |
| return bus_send_error_reply(m, connection, message, &error, r); |
| |
| if (!(reply = dbus_message_new_method_return(message))) |
| goto oom; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) { |
| uint32_t id; |
| Job *j; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_UINT32, &id, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(m, connection, message, &error, -EINVAL); |
| |
| if (!(j = manager_get_job(m, id))) { |
| dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); |
| return bus_send_error_reply(m, connection, message, &error, -ENOENT); |
| } |
| |
| 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; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) { |
| |
| manager_clear_jobs(m); |
| |
| if (!(reply = dbus_message_new_method_return(message))) |
| goto oom; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailed")) { |
| |
| manager_reset_failed(m); |
| |
| if (!(reply = dbus_message_new_method_return(message))) |
| goto oom; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailedUnit")) { |
| const char *name; |
| Unit *u; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(m, connection, message, &error, -EINVAL); |
| |
| 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_failed(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 user service 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", "Reboot")) { |
| |
| if (m->running_as != MANAGER_SYSTEM) { |
| dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system 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_REBOOT; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "PowerOff")) { |
| |
| if (m->running_as != MANAGER_SYSTEM) { |
| dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system 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_POWEROFF; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Halt")) { |
| |
| if (m->running_as != MANAGER_SYSTEM) { |
| dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Halting is only supported for system 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_HALT; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KExec")) { |
| |
| if (m->running_as != MANAGER_SYSTEM) { |
| dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "kexec is only supported for system 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_KEXEC; |
| |
| } 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, *old_name = NULL; |
| JobMode mode; |
| Job *j; |
| Unit *u; |
| bool b; |
| |
| if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace")) |
| b = dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &old_name, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &smode, |
| DBUS_TYPE_INVALID); |
| else |
| b = dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &smode, |
| DBUS_TYPE_INVALID); |
| |
| if (!b) |
| return bus_send_error_reply(m, connection, message, &error, -EINVAL); |
| |
| if (old_name) |
| if (!(u = manager_get_unit(m, old_name)) || |
| !u->meta.job || |
| u->meta.job->type != JOB_START) { |
| dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name); |
| return bus_send_error_reply(m, connection, message, &error, -ENOENT); |
| } |
| |
| |
| 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 |
| }; |