diff options
Diffstat (limited to 'src/core/dbus-manager.c')
-rw-r--r-- | src/core/dbus-manager.c | 1544 |
1 files changed, 1544 insertions, 0 deletions
diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c new file mode 100644 index 0000000000..3bf0c07b88 --- /dev/null +++ b/src/core/dbus-manager.c @@ -0,0 +1,1544 @@ +/*-*- 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 <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" + +#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" \ + " <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=\"changes\" 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" \ + " </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>" \ + " <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=\"RunningAs\" 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=\"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" \ + " <property name=\"RuntimeWatchdogUSec\" type=\"s\" access=\"read\"/>\n" \ + " <property name=\"ShutdownWatchdogUSec\" 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" + +#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_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(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, "usr-separate-fs "); + + if (readlink_malloc("/etc/mtab", &p) < 0) + e = stpcpy(e, "etc-mtab-not-symlink "); + else + free(p); + + if (access("/proc/cgroups", F_OK) < 0) + stpcpy(e, "cgroups-missing "); + + t = strstrip(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 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[] = { + { "RunningAs", bus_manager_append_running_as, "s", offsetof(Manager, running_as) }, + { "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, 0, bus_manager_set_log_level }, + { "LogTarget", bus_manager_append_log_target, "s", 0, 0, 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 }, + { "NotifySocket", bus_property_append_string, "s", offsetof(Manager, notify_socket), true }, + { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_hierarchy), true }, + { "MountAuto", bus_property_append_bool, "b", offsetof(Manager, mount_auto) }, + { "SwapAuto", bus_property_append_bool, "b", offsetof(Manager, swap_auto) }, + { "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), }, + { "ShutdownWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, shutdown_watchdog), }, +#ifdef HAVE_SYSV_COMPAT + { "SysVConsole", bus_property_append_bool, "b", offsetof(Manager, sysv_console) }, + { "SysVInitPath", bus_property_append_strv, "as", offsetof(Manager, lookup_paths.sysvinit_path), true }, + { "SysVRcndPath", bus_property_append_strv, "as", offsetof(Manager, lookup_paths.sysvrcnd_path), true }, +#endif + { 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, *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(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 (isempty(smode)) + mode = KILL_CONTROL_GROUP; + else { + mode = kill_mode_from_string(smode); + if (mode < 0) + return bus_send_error_reply(connection, message, &error, -EINVAL); + } + + if (signo <= 0 || signo >= _NSIG) + 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 ((r = unit_kill(u, who, mode, signo, &error)) < 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", "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; + 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_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); + + 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; + } + + 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 +}; |