| /*-*- 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 <unistd.h> |
| |
| #include "dbus.h" |
| #include "log.h" |
| #include "dbus-manager.h" |
| #include "strv.h" |
| #include "bus-errors.h" |
| #include "build.h" |
| #include "dbus-common.h" |
| #include "install.h" |
| #include "watchdog.h" |
| #include "hwclock.h" |
| #include "path-util.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=\"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" \ |
| " <arg name=\"dump\" type=\"s\" direction=\"out\"/>\n" \ |
| " </method>\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=\"SwitchRoot\">\n" \ |
| " <arg name=\"new_root\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"init\" type=\"s\" direction=\"in\"/>\n" \ |
| " </method>\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" \ |
| " <method name=\"UnsetAndSetEnvironment\">\n" \ |
| " <arg name=\"unset\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"set\" type=\"as\" direction=\"in\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ListUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"a(ss)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"GetUnitFileState\">\n" \ |
| " <arg name=\"file\" type=\"s\" direction=\"in\"/>\n" \ |
| " <arg name=\"state\" type=\"s\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"EnableUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"carries_install_info\" type=\"b\" direction=\"out\"/>\n" \ |
| " <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"DisableUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"ReenableUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"carries_install_info\" type=\"b\" direction=\"out\"/>\n" \ |
| " <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"LinkUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"PresetUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"carries_install_info\" type=\"b\" direction=\"out\"/>\n" \ |
| " <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"MaskUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \ |
| " </method>\n" \ |
| " <method name=\"UnmaskUnitFiles\">\n" \ |
| " <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \ |
| " <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \ |
| " <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\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" \ |
| " <arg name=\"unit\" type=\"s\"/>\n" \ |
| " </signal>\n" \ |
| " <signal name=\"JobRemoved\">\n" \ |
| " <arg name=\"id\" type=\"u\"/>\n" \ |
| " <arg name=\"job\" type=\"o\"/>\n" \ |
| " <arg name=\"unit\" type=\"s\"/>\n" \ |
| " <arg name=\"result\" type=\"s\"/>\n" \ |
| " </signal>" \ |
| " <signal name=\"StartupFinished\">\n" \ |
| " <arg name=\"kernel\" type=\"t\"/>\n" \ |
| " <arg name=\"initrd\" type=\"t\"/>\n" \ |
| " <arg name=\"userspace\" type=\"t\"/>\n" \ |
| " <arg name=\"total\" type=\"t\"/>\n" \ |
| " </signal>" \ |
| " <signal name=\"UnitFilesChanged\"/>\n" |
| |
| #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=\"InitRDTimestamp\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"InitRDTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"StartupTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"FinishTimestamp\" type=\"t\" access=\"read\"/>\n" \ |
| " <property name=\"FinishTimestampMonotonic\" 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=\"ControlGroupHierarchy\" type=\"s\" 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" \ |
| " <property name=\"RuntimeWatchdogUSec\" type=\"s\" access=\"readwrite\"/>\n" \ |
| " <property name=\"ShutdownWatchdogUSec\" type=\"s\" access=\"readwrite\"/>\n" |
| |
| #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_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" |
| |
| #define INTERFACES_LIST \ |
| BUS_GENERIC_INTERFACES_LIST \ |
| "org.freedesktop.systemd1.Manager\0" |
| |
| const char bus_manager_interface[] _introspect_("Manager") = BUS_MANAGER_INTERFACE; |
| |
| static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_exec_output, exec_output, ExecOutput); |
| |
| static int bus_manager_append_tainted(DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| Manager *m = data; |
| char buf[LINE_MAX] = "", *e = buf, *p = NULL; |
| |
| assert(i); |
| assert(property); |
| assert(m); |
| |
| if (m->taint_usr) |
| e = stpcpy(e, "split-usr:"); |
| |
| if (readlink_malloc("/etc/mtab", &p) < 0) |
| e = stpcpy(e, "mtab-not-symlink:"); |
| else |
| free(p); |
| |
| if (access("/proc/cgroups", F_OK) < 0) |
| e = stpcpy(e, "cgroups-missing:"); |
| |
| if (hwclock_is_localtime() > 0) |
| e = stpcpy(e, "local-hwclock:"); |
| |
| /* remove the last ':' */ |
| if (e != buf) |
| e[-1] = 0; |
| |
| t = buf; |
| |
| if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t)) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static int bus_manager_append_log_target(DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| |
| 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(DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| |
| 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(DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| |
| 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(DBusMessageIter *i, const char *property, void *data) { |
| const char *t; |
| |
| 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(DBusMessageIter *i, const char *property, void *data) { |
| Manager *m = data; |
| uint32_t u; |
| |
| assert(i); |
| assert(property); |
| assert(m); |
| |
| 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(DBusMessageIter *i, const char *property, void *data) { |
| Manager *m = data; |
| uint32_t u; |
| |
| assert(i); |
| assert(property); |
| assert(m); |
| |
| 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(DBusMessageIter *i, const char *property, void *data) { |
| double d; |
| Manager *m = data; |
| |
| assert(i); |
| assert(property); |
| assert(m); |
| |
| 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 DBusMessage *message_from_file_changes( |
| DBusMessage *m, |
| UnitFileChange *changes, |
| unsigned n_changes, |
| int carries_install_info) { |
| |
| DBusMessageIter iter, sub, sub2; |
| DBusMessage *reply; |
| unsigned i; |
| |
| reply = dbus_message_new_method_return(m); |
| if (!reply) |
| return NULL; |
| |
| dbus_message_iter_init_append(reply, &iter); |
| |
| if (carries_install_info >= 0) { |
| dbus_bool_t b; |
| |
| b = !!carries_install_info; |
| if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) |
| goto oom; |
| } |
| |
| if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sss)", &sub)) |
| goto oom; |
| |
| for (i = 0; i < n_changes; i++) { |
| const char *type, *path, *source; |
| |
| type = unit_file_change_type_to_string(changes[i].type); |
| path = strempty(changes[i].path); |
| source = strempty(changes[i].source); |
| |
| if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || |
| !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) || |
| !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &path) || |
| !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &source) || |
| !dbus_message_iter_close_container(&sub, &sub2)) |
| goto oom; |
| } |
| |
| if (!dbus_message_iter_close_container(&iter, &sub)) |
| goto oom; |
| |
| return reply; |
| |
| oom: |
| dbus_message_unref(reply); |
| return NULL; |
| } |
| |
| static int bus_manager_send_unit_files_changed(Manager *m) { |
| DBusMessage *s; |
| int r; |
| |
| s = dbus_message_new_signal("/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnitFilesChanged"); |
| if (!s) |
| return -ENOMEM; |
| |
| r = bus_broadcast(m, s); |
| dbus_message_unref(s); |
| |
| return r; |
| } |
| |
| static int bus_manager_set_runtime_watchdog_usec(DBusMessageIter *i, const char *property, void *data) { |
| uint64_t *t = data; |
| |
| assert(i); |
| assert(property); |
| |
| dbus_message_iter_get_basic(i, t); |
| |
| return watchdog_set_timeout(t); |
| } |
| |
| static const char systemd_property_string[] = |
| PACKAGE_STRING "\0" |
| DISTRIBUTION "\0" |
| SYSTEMD_FEATURES; |
| |
| static const BusProperty bus_systemd_properties[] = { |
| { "Version", bus_property_append_string, "s", 0 }, |
| { "Distribution", bus_property_append_string, "s", sizeof(PACKAGE_STRING) }, |
| { "Features", bus_property_append_string, "s", sizeof(PACKAGE_STRING) + sizeof(DISTRIBUTION) }, |
| { NULL, } |
| }; |
| |
| static const BusProperty bus_manager_properties[] = { |
| { "Tainted", bus_manager_append_tainted, "s", 0 }, |
| { "InitRDTimestamp", bus_property_append_uint64, "t", offsetof(Manager, initrd_timestamp.realtime) }, |
| { "InitRDTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, initrd_timestamp.monotonic) }, |
| { "StartupTimestamp", bus_property_append_uint64, "t", offsetof(Manager, startup_timestamp.realtime) }, |
| { "StartupTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, startup_timestamp.monotonic) }, |
| { "FinishTimestamp", bus_property_append_uint64, "t", offsetof(Manager, finish_timestamp.realtime) }, |
| { "FinishTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, finish_timestamp.monotonic) }, |
| { "LogLevel", bus_manager_append_log_level, "s", 0, false, bus_manager_set_log_level }, |
| { "LogTarget", bus_manager_append_log_target, "s", 0, false, bus_manager_set_log_target }, |
| { "NNames", bus_manager_append_n_names, "u", 0 }, |
| { "NJobs", bus_manager_append_n_jobs, "u", 0 }, |
| { "NInstalledJobs",bus_property_append_uint32, "u", offsetof(Manager, n_installed_jobs) }, |
| { "NFailedJobs", bus_property_append_uint32, "u", offsetof(Manager, n_failed_jobs) }, |
| { "Progress", bus_manager_append_progress, "d", 0 }, |
| { "Environment", bus_property_append_strv, "as", offsetof(Manager, environment), true }, |
| { "ConfirmSpawn", bus_property_append_bool, "b", offsetof(Manager, confirm_spawn) }, |
| { "ShowStatus", bus_property_append_bool, "b", offsetof(Manager, show_status) }, |
| { "UnitPath", bus_property_append_strv, "as", offsetof(Manager, lookup_paths.unit_path), true }, |
| { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_hierarchy), true }, |
| { "DefaultControllers", bus_property_append_strv, "as", offsetof(Manager, default_controllers), true }, |
| { "DefaultStandardOutput", bus_manager_append_exec_output, "s", offsetof(Manager, default_std_output) }, |
| { "DefaultStandardError", bus_manager_append_exec_output, "s", offsetof(Manager, default_std_error) }, |
| { "RuntimeWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, runtime_watchdog), false, bus_manager_set_runtime_watchdog_usec }, |
| { "ShutdownWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, shutdown_watchdog), false, bus_property_set_usec }, |
| { NULL, } |
| }; |
| |
| static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) { |
| Manager *m = data; |
| |
| int r; |
| DBusError error; |
| DBusMessage *reply = NULL; |
| char * path = NULL; |
| JobType job_type = _JOB_TYPE_INVALID; |
| bool reload_if_possible = false; |
| const char *member; |
| |
| assert(connection); |
| assert(message); |
| assert(m); |
| |
| dbus_error_init(&error); |
| |
| member = dbus_message_get_member(message); |
| |
| 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(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(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(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(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(connection, message, &error, -EINVAL); |
| |
| if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0) |
| return bus_send_error_reply(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; |
| int32_t signo; |
| Unit *u; |
| KillWho who; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &swho, |
| DBUS_TYPE_INT32, &signo, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(connection, message, &error, -EINVAL); |
| |
| if (isempty(swho)) |
| who = KILL_ALL; |
| else { |
| who = kill_who_from_string(swho); |
| if (who < 0) |
| return bus_send_error_reply(connection, message, &error, -EINVAL); |
| } |
| |
| if (signo <= 0 || signo >= _NSIG) |
| return bus_send_error_reply(connection, message, &error, -EINVAL); |
| |
| u = manager_get_unit(m, name); |
| if (!u) { |
| dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name); |
| return bus_send_error_reply(connection, message, &error, -ENOENT); |
| } |
| |
| r = unit_kill(u, who, signo, &error); |
| if (r < 0) |
| return bus_send_error_reply(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(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(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(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(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->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->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->id : ""; |
| |
| if (!(u_path = unit_dbus_path(u))) |
| goto oom; |
| |
| if (u->job) { |
| job_id = (uint32_t) u->job->id; |
| |
| if (!(j_path = job_dbus_path(u->job))) { |
| free(u_path); |
| goto oom; |
| } |
| |
| sjob_type = job_type_to_string(u->job->type); |
| } else { |
| job_id = 0; |
| j_path = u_path; |
| sjob_type = ""; |
| } |
| |
| if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->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->job) |
| free(j_path); |
| goto oom; |
| } |
| |
| free(u_path); |
| if (u->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->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(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(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(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(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->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")) { |
| |
| /* We don't send a reply back here, the client should |
| * just wait for us disconnecting. */ |
| |
| 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(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(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(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(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(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", "SwitchRoot")) { |
| const char *switch_root, *switch_root_init; |
| char *u, *v; |
| int k; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &switch_root, |
| DBUS_TYPE_STRING, &switch_root_init, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(connection, message, &error, -EINVAL); |
| |
| if (path_equal(switch_root, "/") || !path_is_absolute(switch_root)) |
| return bus_send_error_reply(connection, message, NULL, -EINVAL); |
| |
| if (!isempty(switch_root_init) && !path_is_absolute(switch_root_init)) |
| return bus_send_error_reply(connection, message, NULL, -EINVAL); |
| |
| if (m->running_as != MANAGER_SYSTEM) { |
| dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Switching root is only supported for system managers."); |
| return bus_send_error_reply(connection, message, &error, -ENOTSUP); |
| } |
| |
| /* Safety check */ |
| if (isempty(switch_root_init)) |
| k = access(switch_root, F_OK); |
| else { |
| char *p; |
| |
| p = strjoin(switch_root, "/", switch_root_init, NULL); |
| if (!p) |
| goto oom; |
| |
| k = access(p, X_OK); |
| free(p); |
| } |
| if (k < 0) |
| return bus_send_error_reply(connection, message, NULL, -errno); |
| |
| u = strdup(switch_root); |
| if (!u) |
| goto oom; |
| |
| if (!isempty(switch_root_init)) { |
| v = strdup(switch_root_init); |
| if (!v) { |
| free(u); |
| goto oom; |
| } |
| } else |
| v = NULL; |
| |
| free(m->switch_root); |
| free(m->switch_root_init); |
| m->switch_root = u; |
| m->switch_root_init = v; |
| |
| reply = dbus_message_new_method_return(message); |
| if (!reply) |
| goto oom; |
| |
| m->exit_code = MANAGER_SWITCH_ROOT; |
| |
| } 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(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(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))) { |
| strv_free(e); |
| goto oom; |
| } |
| |
| strv_free(m->environment); |
| m->environment = e; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetAndSetEnvironment")) { |
| char **l_set = NULL, **l_unset = NULL, **e = NULL, **f = NULL; |
| DBusMessageIter iter; |
| |
| if (!dbus_message_iter_init(message, &iter)) |
| goto oom; |
| |
| r = bus_parse_strv_iter(&iter, &l_unset); |
| if (r < 0) { |
| if (r == -ENOMEM) |
| goto oom; |
| |
| return bus_send_error_reply(connection, message, NULL, r); |
| } |
| |
| if (!dbus_message_iter_next(&iter)) { |
| strv_free(l_unset); |
| return bus_send_error_reply(connection, message, NULL, -EINVAL); |
| } |
| |
| r = bus_parse_strv_iter(&iter, &l_set); |
| if (r < 0) { |
| strv_free(l_unset); |
| if (r == -ENOMEM) |
| goto oom; |
| |
| return bus_send_error_reply(connection, message, NULL, r); |
| } |
| |
| e = strv_env_delete(m->environment, 1, l_unset); |
| strv_free(l_unset); |
| |
| if (!e) { |
| strv_free(l_set); |
| goto oom; |
| } |
| |
| f = strv_env_merge(2, e, l_set); |
| strv_free(l_set); |
| strv_free(e); |
| |
| if (!f) |
| goto oom; |
| |
| if (!(reply = dbus_message_new_method_return(message))) { |
| strv_free(f); |
| goto oom; |
| } |
| |
| strv_free(m->environment); |
| m->environment = f; |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnitFiles")) { |
| DBusMessageIter iter, sub, sub2; |
| Hashmap *h; |
| Iterator i; |
| UnitFileList *item; |
| |
| reply = dbus_message_new_method_return(message); |
| if (!reply) |
| goto oom; |
| |
| h = hashmap_new(string_hash_func, string_compare_func); |
| if (!h) |
| goto oom; |
| |
| r = unit_file_get_list(m->running_as == MANAGER_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER, NULL, h); |
| if (r < 0) { |
| unit_file_list_free(h); |
| dbus_message_unref(reply); |
| return bus_send_error_reply(connection, message, NULL, r); |
| } |
| |
| dbus_message_iter_init_append(reply, &iter); |
| |
| if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ss)", &sub)) { |
| unit_file_list_free(h); |
| goto oom; |
| } |
| |
| HASHMAP_FOREACH(item, h, i) { |
| const char *state; |
| |
| state = unit_file_state_to_string(item->state); |
| assert(state); |
| |
| if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || |
| !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &item->path) || |
| !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) || |
| !dbus_message_iter_close_container(&sub, &sub2)) { |
| unit_file_list_free(h); |
| goto oom; |
| } |
| } |
| |
| unit_file_list_free(h); |
| |
| if (!dbus_message_iter_close_container(&iter, &sub)) |
| goto oom; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitFileState")) { |
| const char *name; |
| UnitFileState state; |
| const char *s; |
| |
| if (!dbus_message_get_args( |
| message, |
| &error, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_INVALID)) |
| return bus_send_error_reply(connection, message, &error, -EINVAL); |
| |
| state = unit_file_get_state(m->running_as == MANAGER_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER, NULL, name); |
| if (state < 0) |
| return bus_send_error_reply(connection, message, NULL, state); |
| |
| s = unit_file_state_to_string(state); |
| assert(s); |
| |
| reply = dbus_message_new_method_return(message); |
| if (!reply) |
| goto oom; |
| |
| if (!dbus_message_append_args( |
| reply, |
| DBUS_TYPE_STRING, &s, |
| DBUS_TYPE_INVALID)) |
| goto oom; |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "EnableUnitFiles") || |
| dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReenableUnitFiles") || |
| dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LinkUnitFiles") || |
| dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "PresetUnitFiles") || |
| dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "MaskUnitFiles")) { |
| |
| char **l = NULL; |
| DBusMessageIter iter; |
| UnitFileScope scope = m->running_as == MANAGER_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| UnitFileChange *changes = NULL; |
| unsigned n_changes = 0; |
| dbus_bool_t runtime, force; |
| int carries_install_info = -1; |
| |
| if (!dbus_message_iter_init(message, &iter)) |
| goto oom; |
| |
| r = bus_parse_strv_iter(&iter, &l); |
| if (r < 0) { |
| if (r == -ENOMEM) |
| goto oom; |
| |
| return bus_send_error_reply(connection, message, NULL, r); |
| } |
| |
| if (!dbus_message_iter_next(&iter) || |
| bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &runtime, true) < 0 || |
| bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &force, false) < 0) { |
| strv_free(l); |
| return bus_send_error_reply(connection, message, NULL, -EIO); |
| } |
| |
| if (streq(member, "EnableUnitFiles")) { |
| r = unit_file_enable(scope, runtime, NULL, l, force, &changes, &n_changes); |
| carries_install_info = r; |
| } else if (streq(member, "ReenableUnitFiles")) { |
| r = unit_file_reenable(scope, runtime, NULL, l, force, &changes, &n_changes); |
| carries_install_info = r; |
| } else if (streq(member, "LinkUnitFiles")) |
| r = unit_file_link(scope, runtime, NULL, l, force, &changes, &n_changes); |
| else if (streq(member, "PresetUnitFiles")) { |
| r = unit_file_preset(scope, runtime, NULL, l, force, &changes, &n_changes); |
| carries_install_info = r; |
| } else if (streq(member, "MaskUnitFiles")) |
| r = unit_file_mask(scope, runtime, NULL, l, force, &changes, &n_changes); |
| else |
| assert_not_reached("Uh? Wrong method"); |
| |
| strv_free(l); |
| bus_manager_send_unit_files_changed(m); |
| |
| if (r < 0) { |
| unit_file_changes_free(changes, n_changes); |
| return bus_send_error_reply(connection, message, NULL, r); |
| } |
| |
| reply = message_from_file_changes(message, changes, n_changes, carries_install_info); |
| unit_file_changes_free(changes, n_changes); |
| |
| if (!reply) |
| goto oom; |
| |
| } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "DisableUnitFiles") || |
| dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnmaskUnitFiles")) { |
| |
| char **l = NULL; |
| DBusMessageIter iter; |
| UnitFileScope scope = m->running_as == MANAGER_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| UnitFileChange *changes = NULL; |
| unsigned n_changes = 0; |
| dbus_bool_t runtime; |
| |
| if (!dbus_message_iter_init(message, &iter)) |
| goto oom; |
| |
| r = bus_parse_strv_iter(&iter, &l); |
| if (r < 0) { |
| if (r == -ENOMEM) |
| goto oom; |
| |
| return bus_send_error_reply(connection, message, NULL, r); |
| } |
| |
| if (!dbus_message_iter_next(&iter) || |
| bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &runtime, false) < 0) { |
| strv_free(l); |
| return bus_send_error_reply(connection, message, NULL, -EIO); |
| } |
| |
| if (streq(member, "DisableUnitFiles")) |
| r = unit_file_disable(scope, runtime, NULL, l, &changes, &n_changes); |
| else if (streq(member, "UnmaskUnitFiles")) |
| r = unit_file_unmask(scope, runtime, NULL, l, &changes, &n_changes); |
| else |
| assert_not_reached("Uh? Wrong method"); |
| |
| strv_free(l); |
| bus_manager_send_unit_files_changed(m); |
| |
| if (r < 0) { |
| unit_file_changes_free(changes, n_changes); |
| return bus_send_error_reply(connection, message, NULL, r); |
| } |
| |
| reply = message_from_file_changes(message, changes, n_changes, -1); |
| unit_file_changes_free(changes, n_changes); |
| |
| if (!reply) |
| goto oom; |
| |
| } else { |
| const BusBoundProperties bps[] = { |
| { "org.freedesktop.systemd1.Manager", bus_systemd_properties, systemd_property_string }, |
| { "org.freedesktop.systemd1.Manager", bus_manager_properties, m }, |
| { NULL, } |
| }; |
| return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps); |
| } |
| |
| if (job_type != _JOB_TYPE_INVALID) { |
| const char *name, *smode, *old_name = NULL; |
| JobMode mode; |
| Job *j; |
| JobBusClient *cl; |
| 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(connection, message, &error, -EINVAL); |
| |
| if (old_name) |
| if (!(u = manager_get_unit(m, old_name)) || |
| !u->job || |
| u->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(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(connection, message, &error, -EINVAL); |
| } |
| |
| if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0) |
| return bus_send_error_reply(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_STOP && u->load_state == UNIT_ERROR && unit_active_state(u) == UNIT_INACTIVE) { |
| dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", name); |
| return bus_send_error_reply(connection, message, &error, -EPERM); |
| } |
| |
| if ((job_type == JOB_START && u->refuse_manual_start) || |
| (job_type == JOB_STOP && u->refuse_manual_stop) || |
| ((job_type == JOB_RESTART || job_type == JOB_TRY_RESTART) && |
| (u->refuse_manual_start || u->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(connection, message, &error, -EPERM); |
| } |
| |
| if ((r = manager_add_job(m, job_type, u, mode, true, &error, &j)) < 0) |
| return bus_send_error_reply(connection, message, &error, r); |
| |
| cl = job_bus_client_new(connection, message_get_sender_with_fallback(message)); |
| if (!cl) |
| goto oom; |
| |
| LIST_PREPEND(JobBusClient, client, j->bus_client_list, cl); |
| |
| 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; |
| } |
| |
| if (reply) { |
| if (!dbus_connection_send(connection, reply, NULL)) |
| goto oom; |
| |
| dbus_message_unref(reply); |
| } |
| |
| free(path); |
| |
| 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 |
| }; |