src/core/dbus-manager.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <errno.h>
   4 #include <sys/prctl.h>
   5 #include <sys/statvfs.h>
   6 #include <unistd.h>
   7
   8 #include "alloc-util.h"
   9 #include "architecture.h"
  10 #include "build.h"
  11 #include "bus-common-errors.h"
  12 #include "bus-get-properties.h"
  13 #include "bus-log-control-api.h"
  14 #include "chase-symlinks.h"
  15 #include "data-fd-util.h"
  16 #include "dbus-cgroup.h"
  17 #include "dbus-execute.h"
  18 #include "dbus-job.h"
  19 #include "dbus-manager.h"
  20 #include "dbus-scope.h"
  21 #include "dbus-service.h"
  22 #include "dbus-unit.h"
  23 #include "dbus.h"
  24 #include "env-util.h"
  25 #include "fd-util.h"
  26 #include "fileio.h"
  27 #include "format-util.h"
  28 #include "install.h"
  29 #include "log.h"
  30 #include "manager-dump.h"
  31 #include "os-util.h"
  32 #include "parse-util.h"
  33 #include "path-util.h"
  34 #include "process-util.h"
  35 #include "selinux-access.h"
  36 #include "stat-util.h"
  37 #include "string-util.h"
  38 #include "strv.h"
  39 #include "syslog-util.h"
  40 #include "user-util.h"
  41 #include "virt.h"
  42 #include "watchdog.h"
  43
  44 /* Require 16MiB free in /run/systemd for reloading/reexecing. After all we need to serialize our state
  45  * there, and if we can't we'll fail badly. */
  46 #define RELOAD_DISK_SPACE_MIN (UINT64_C(16) * UINT64_C(1024) * UINT64_C(1024))
  47
  48 static UnitFileFlags unit_file_bools_to_flags(bool runtime, bool force) {
  49         return (runtime ? UNIT_FILE_RUNTIME : 0) |
  50                (force   ? UNIT_FILE_FORCE   : 0);
  51 }
  52
  53 BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_oom_policy, oom_policy, OOMPolicy);
  54 BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_emergency_action, emergency_action, EmergencyAction);
  55
  56 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_version, "s", GIT_VERSION);
  57 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_features, "s", systemd_features);
  58 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_architecture, "s", architecture_to_string(uname_architecture()));
  59 static BUS_DEFINE_PROPERTY_GET2(property_get_system_state, "s", Manager, manager_state, manager_state_to_string);
  60 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_timer_slack_nsec, "t", (uint64_t) prctl(PR_GET_TIMERSLACK));
  61 static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "u", Hashmap *, hashmap_size);
  62 static BUS_DEFINE_PROPERTY_GET_REF(property_get_set_size, "u", Set *, set_size);
  63 static BUS_DEFINE_PROPERTY_GET(property_get_default_timeout_abort_usec, "t", Manager, manager_default_timeout_abort_usec);
  64 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_device, "s", watchdog_get_device());
  65 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_last_ping_realtime, "t", watchdog_get_last_ping(CLOCK_REALTIME));
  66 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_last_ping_monotonic, "t", watchdog_get_last_ping(CLOCK_MONOTONIC));
  67
  68 static int property_get_virtualization(
  69                 sd_bus *bus,
  70                 const char *path,
  71                 const char *interface,
  72                 const char *property,
  73                 sd_bus_message *reply,
  74                 void *userdata,
  75                 sd_bus_error *error) {
  76
  77         Virtualization v;
  78
  79         assert(bus);
  80         assert(reply);
  81
  82         v = detect_virtualization();
  83
  84         /* Make sure to return the empty string when we detect no virtualization, as that is the API.
  85          *
  86          * https://github.com/systemd/systemd/issues/1423
  87          */
  88
  89         return sd_bus_message_append(
  90                         reply, "s",
  91                         v == VIRTUALIZATION_NONE ? NULL : virtualization_to_string(v));
  92 }
  93
  94 static int property_get_tainted(
  95                 sd_bus *bus,
  96                 const char *path,
  97                 const char *interface,
  98                 const char *property,
  99                 sd_bus_message *reply,
 100                 void *userdata,
 101                 sd_bus_error *error) {
 102
 103         _cleanup_free_ char *s = NULL;
 104         Manager *m = ASSERT_PTR(userdata);
 105
 106         assert(bus);
 107         assert(reply);
 108
 109         s = manager_taint_string(m);
 110         if (!s)
 111                 return log_oom();
 112
 113         return sd_bus_message_append(reply, "s", s);
 114 }
 115
 116 static int property_set_log_target(
 117                 sd_bus *bus,
 118                 const char *path,
 119                 const char *interface,
 120                 const char *property,
 121                 sd_bus_message *value,
 122                 void *userdata,
 123                 sd_bus_error *error) {
 124
 125         Manager *m = userdata;
 126         const char *t;
 127         int r;
 128
 129         assert(bus);
 130         assert(value);
 131
 132         r = sd_bus_message_read(value, "s", &t);
 133         if (r < 0)
 134                 return r;
 135
 136         if (isempty(t))
 137                 manager_restore_original_log_target(m);
 138         else {
 139                 LogTarget target;
 140
 141                 target = log_target_from_string(t);
 142                 if (target < 0)
 143                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log target '%s'", t);
 144
 145                 manager_override_log_target(m, target);
 146         }
 147
 148         return 0;
 149 }
 150
 151 static int property_set_log_level(
 152                 sd_bus *bus,
 153                 const char *path,
 154                 const char *interface,
 155                 const char *property,
 156                 sd_bus_message *value,
 157                 void *userdata,
 158                 sd_bus_error *error) {
 159
 160         Manager *m = userdata;
 161         const char *t;
 162         int r;
 163
 164         assert(bus);
 165         assert(value);
 166
 167         r = sd_bus_message_read(value, "s", &t);
 168         if (r < 0)
 169                 return r;
 170
 171         if (isempty(t))
 172                 manager_restore_original_log_level(m);
 173         else {
 174                 int level;
 175
 176                 level = log_level_from_string(t);
 177                 if (level < 0)
 178                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log level '%s'", t);
 179
 180                 manager_override_log_level(m, level);
 181         }
 182
 183         return 0;
 184 }
 185
 186 static int property_get_progress(
 187                 sd_bus *bus,
 188                 const char *path,
 189                 const char *interface,
 190                 const char *property,
 191                 sd_bus_message *reply,
 192                 void *userdata,
 193                 sd_bus_error *error) {
 194
 195         Manager *m = ASSERT_PTR(userdata);
 196         double d;
 197
 198         assert(bus);
 199         assert(reply);
 200
 201         if (MANAGER_IS_FINISHED(m))
 202                 d = 1.0;
 203         else
 204                 d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs);
 205
 206         return sd_bus_message_append(reply, "d", d);
 207 }
 208
 209 static int property_get_environment(
 210                 sd_bus *bus,
 211                 const char *path,
 212                 const char *interface,
 213                 const char *property,
 214                 sd_bus_message *reply,
 215                 void *userdata,
 216                 sd_bus_error *error) {
 217
 218         _cleanup_strv_free_ char **l = NULL;
 219         Manager *m = ASSERT_PTR(userdata);
 220         int r;
 221
 222         assert(bus);
 223         assert(reply);
 224
 225         r = manager_get_effective_environment(m, &l);
 226         if (r < 0)
 227                 return r;
 228
 229         return sd_bus_message_append_strv(reply, l);
 230 }
 231
 232 static int property_get_show_status(
 233                 sd_bus *bus,
 234                 const char *path,
 235                 const char *interface,
 236                 const char *property,
 237                 sd_bus_message *reply,
 238                 void *userdata,
 239                 sd_bus_error *error) {
 240
 241         Manager *m = ASSERT_PTR(userdata);
 242
 243         assert(bus);
 244         assert(reply);
 245
 246         return sd_bus_message_append(reply, "b", manager_get_show_status_on(m));
 247 }
 248
 249 static int property_get_runtime_watchdog(
 250                 sd_bus *bus,
 251                 const char *path,
 252                 const char *interface,
 253                 const char *property,
 254                 sd_bus_message *reply,
 255                 void *userdata,
 256                 sd_bus_error *error) {
 257
 258         Manager *m = ASSERT_PTR(userdata);
 259
 260         assert(bus);
 261         assert(reply);
 262
 263         return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_RUNTIME));
 264 }
 265
 266 static int property_get_pretimeout_watchdog(
 267                 sd_bus *bus,
 268                 const char *path,
 269                 const char *interface,
 270                 const char *property,
 271                 sd_bus_message *reply,
 272                 void *userdata,
 273                 sd_bus_error *error) {
 274
 275         Manager *m = ASSERT_PTR(userdata);
 276
 277         assert(bus);
 278         assert(reply);
 279
 280         return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_PRETIMEOUT));
 281 }
 282
 283 static int property_get_pretimeout_watchdog_governor(
 284                 sd_bus *bus,
 285                 const char *path,
 286                 const char *interface,
 287                 const char *property,
 288                 sd_bus_message *reply,
 289                 void *userdata,
 290                 sd_bus_error *error) {
 291
 292         Manager *m = ASSERT_PTR(userdata);
 293
 294         assert(bus);
 295         assert(reply);
 296
 297         return sd_bus_message_append(reply, "s", m->watchdog_pretimeout_governor);
 298 }
 299
 300 static int property_get_reboot_watchdog(
 301                 sd_bus *bus,
 302                 const char *path,
 303                 const char *interface,
 304                 const char *property,
 305                 sd_bus_message *reply,
 306                 void *userdata,
 307                 sd_bus_error *error) {
 308
 309         Manager *m = ASSERT_PTR(userdata);
 310
 311         assert(bus);
 312         assert(reply);
 313
 314         return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_REBOOT));
 315 }
 316
 317 static int property_get_kexec_watchdog(
 318                 sd_bus *bus,
 319                 const char *path,
 320                 const char *interface,
 321                 const char *property,
 322                 sd_bus_message *reply,
 323                 void *userdata,
 324                 sd_bus_error *error) {
 325
 326         Manager *m = ASSERT_PTR(userdata);
 327
 328         assert(bus);
 329         assert(reply);
 330
 331         return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_KEXEC));
 332 }
 333
 334 static int property_set_watchdog(Manager *m, WatchdogType type, sd_bus_message *value) {
 335         usec_t timeout;
 336         int r;
 337
 338         assert(m);
 339         assert(value);
 340
 341         assert_cc(sizeof(usec_t) == sizeof(uint64_t));
 342
 343         r = sd_bus_message_read(value, "t", &timeout);
 344         if (r < 0)
 345                 return r;
 346
 347         manager_override_watchdog(m, type, timeout);
 348         return 0;
 349 }
 350
 351 static int property_set_runtime_watchdog(
 352                 sd_bus *bus,
 353                 const char *path,
 354                 const char *interface,
 355                 const char *property,
 356                 sd_bus_message *value,
 357                 void *userdata,
 358                 sd_bus_error *error) {
 359
 360         return property_set_watchdog(userdata, WATCHDOG_RUNTIME, value);
 361 }
 362
 363 static int property_set_pretimeout_watchdog(
 364                 sd_bus *bus,
 365                 const char *path,
 366                 const char *interface,
 367                 const char *property,
 368                 sd_bus_message *value,
 369                 void *userdata,
 370                 sd_bus_error *error) {
 371
 372         return property_set_watchdog(userdata, WATCHDOG_PRETIMEOUT, value);
 373 }
 374
 375 static int property_set_pretimeout_watchdog_governor(
 376                 sd_bus *bus,
 377                 const char *path,
 378                 const char *interface,
 379                 const char *property,
 380                 sd_bus_message *value,
 381                 void *userdata,
 382                 sd_bus_error *error) {
 383
 384         Manager *m = ASSERT_PTR(userdata);
 385         char *governor;
 386         int r;
 387
 388         r = sd_bus_message_read(value, "s", &governor);
 389         if (r < 0)
 390                 return r;
 391         if (!string_is_safe(governor))
 392                 return -EINVAL;
 393
 394         return manager_override_watchdog_pretimeout_governor(m, governor);
 395 }
 396
 397 static int property_set_reboot_watchdog(
 398                 sd_bus *bus,
 399                 const char *path,
 400                 const char *interface,
 401                 const char *property,
 402                 sd_bus_message *value,
 403                 void *userdata,
 404                 sd_bus_error *error) {
 405
 406         return property_set_watchdog(userdata, WATCHDOG_REBOOT, value);
 407 }
 408
 409 static int property_set_kexec_watchdog(
 410                 sd_bus *bus,
 411                 const char *path,
 412                 const char *interface,
 413                 const char *property,
 414                 sd_bus_message *value,
 415                 void *userdata,
 416                 sd_bus_error *error) {
 417
 418         _unused_ Manager *m = ASSERT_PTR(userdata);
 419
 420         assert(bus);
 421         assert(value);
 422
 423         return property_set_watchdog(userdata, WATCHDOG_KEXEC, value);
 424 }
 425
 426 static int property_get_oom_score_adjust(
 427                 sd_bus *bus,
 428                 const char *path,
 429                 const char *interface,
 430                 const char *property,
 431                 sd_bus_message *reply,
 432                 void *userdata,
 433                 sd_bus_error *error) {
 434
 435         Manager *m = ASSERT_PTR(userdata);
 436         int r, n;
 437
 438         assert(bus);
 439         assert(reply);
 440
 441         if (m->default_oom_score_adjust_set)
 442                 n = m->default_oom_score_adjust;
 443         else {
 444                 n = 0;
 445                 r = get_oom_score_adjust(&n);
 446                 if (r < 0)
 447                         log_debug_errno(r, "Failed to read current OOM score adjustment value, ignoring: %m");
 448         }
 449
 450         return sd_bus_message_append(reply, "i", n);
 451 }
 452
 453 static int bus_get_unit_by_name(Manager *m, sd_bus_message *message, const char *name, Unit **ret_unit, sd_bus_error *error) {
 454         Unit *u;
 455         int r;
 456
 457         assert(m);
 458         assert(message);
 459         assert(ret_unit);
 460
 461         /* More or less a wrapper around manager_get_unit() that generates nice errors and has one trick up
 462          * its sleeve: if the name is specified empty we use the client's unit. */
 463
 464         if (isempty(name)) {
 465                 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
 466                 pid_t pid;
 467
 468                 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
 469                 if (r < 0)
 470                         return r;
 471
 472                 r = sd_bus_creds_get_pid(creds, &pid);
 473                 if (r < 0)
 474                         return r;
 475
 476                 u = manager_get_unit_by_pid(m, pid);
 477                 if (!u)
 478                         return sd_bus_error_set(error, BUS_ERROR_NO_SUCH_UNIT, "Client not member of any unit.");
 479         } else {
 480                 u = manager_get_unit(m, name);
 481                 if (!u)
 482                         return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", name);
 483         }
 484
 485         *ret_unit = u;
 486         return 0;
 487 }
 488
 489 static int bus_load_unit_by_name(Manager *m, sd_bus_message *message, const char *name, Unit **ret_unit, sd_bus_error *error) {
 490         assert(m);
 491         assert(message);
 492         assert(ret_unit);
 493
 494         /* Pretty much the same as bus_get_unit_by_name(), but we also load the unit if necessary. */
 495
 496         if (isempty(name))
 497                 return bus_get_unit_by_name(m, message, name, ret_unit, error);
 498
 499         return manager_load_unit(m, name, NULL, error, ret_unit);
 500 }
 501
 502 static int reply_unit_path(Unit *u, sd_bus_message *message, sd_bus_error *error) {
 503         _cleanup_free_ char *path = NULL;
 504         int r;
 505
 506         assert(u);
 507         assert(message);
 508
 509         r = mac_selinux_unit_access_check(u, message, "status", error);
 510         if (r < 0)
 511                 return r;
 512
 513         path = unit_dbus_path(u);
 514         if (!path)
 515                 return log_oom();
 516
 517         return sd_bus_reply_method_return(message, "o", path);
 518 }
 519
 520 static int method_get_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 521         Manager *m = ASSERT_PTR(userdata);
 522         const char *name;
 523         Unit *u;
 524         int r;
 525
 526         assert(message);
 527
 528         /* Anyone can call this method */
 529
 530         r = sd_bus_message_read(message, "s", &name);
 531         if (r < 0)
 532                 return r;
 533
 534         r = bus_get_unit_by_name(m, message, name, &u, error);
 535         if (r < 0)
 536                 return r;
 537
 538         return reply_unit_path(u, message, error);
 539 }
 540
 541 static int method_get_unit_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 542         Manager *m = ASSERT_PTR(userdata);
 543         pid_t pid;
 544         Unit *u;
 545         int r;
 546
 547         assert(message);
 548
 549         assert_cc(sizeof(pid_t) == sizeof(uint32_t));
 550
 551         /* Anyone can call this method */
 552
 553         r = sd_bus_message_read(message, "u", &pid);
 554         if (r < 0)
 555                 return r;
 556         if (pid < 0)
 557                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PID " PID_FMT, pid);
 558
 559         if (pid == 0) {
 560                 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
 561
 562                 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
 563                 if (r < 0)
 564                         return r;
 565
 566                 r = sd_bus_creds_get_pid(creds, &pid);
 567                 if (r < 0)
 568                         return r;
 569         }
 570
 571         u = manager_get_unit_by_pid(m, pid);
 572         if (!u)
 573                 return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID "PID_FMT" does not belong to any loaded unit.", pid);
 574
 575         return reply_unit_path(u, message, error);
 576 }
 577
 578 static int method_get_unit_by_invocation_id(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 579         _cleanup_free_ char *path = NULL;
 580         Manager *m = ASSERT_PTR(userdata);
 581         sd_id128_t id;
 582         const void *a;
 583         Unit *u;
 584         size_t sz;
 585         int r;
 586
 587         assert(message);
 588
 589         /* Anyone can call this method */
 590
 591         r = sd_bus_message_read_array(message, 'y', &a, &sz);
 592         if (r < 0)
 593                 return r;
 594         if (sz == 0)
 595                 id = SD_ID128_NULL;
 596         else if (sz == 16)
 597                 memcpy(&id, a, sz);
 598         else
 599                 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid invocation ID");
 600
 601         if (sd_id128_is_null(id)) {
 602                 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
 603                 pid_t pid;
 604
 605                 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
 606                 if (r < 0)
 607                         return r;
 608
 609                 r = sd_bus_creds_get_pid(creds, &pid);
 610                 if (r < 0)
 611                         return r;
 612
 613                 u = manager_get_unit_by_pid(m, pid);
 614                 if (!u)
 615                         return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT,
 616                                                  "Client " PID_FMT " not member of any unit.", pid);
 617         } else {
 618                 u = hashmap_get(m->units_by_invocation_id, &id);
 619                 if (!u)
 620                         return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_INVOCATION_ID, "No unit with the specified invocation ID " SD_ID128_FORMAT_STR " known.", SD_ID128_FORMAT_VAL(id));
 621         }
 622
 623         r = mac_selinux_unit_access_check(u, message, "status", error);
 624         if (r < 0)
 625                 return r;
 626
 627         /* So here's a special trick: the bus path we return actually references the unit by its invocation
 628          * ID instead of the unit name. This means it stays valid only as long as the invocation ID stays the
 629          * same. */
 630         path = unit_dbus_path_invocation_id(u);
 631         if (!path)
 632                 return -ENOMEM;
 633
 634         return sd_bus_reply_method_return(message, "o", path);
 635 }
 636
 637 static int method_get_unit_by_control_group(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 638         Manager *m = userdata;
 639         const char *cgroup;
 640         Unit *u;
 641         int r;
 642
 643         r = sd_bus_message_read(message, "s", &cgroup);
 644         if (r < 0)
 645                 return r;
 646
 647         u = manager_get_unit_by_cgroup(m, cgroup);
 648         if (!u)
 649                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT,
 650                                          "Control group '%s' is not valid or not managed by this instance",
 651                                          cgroup);
 652
 653         return reply_unit_path(u, message, error);
 654 }
 655
 656 static int method_load_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 657         Manager *m = ASSERT_PTR(userdata);
 658         const char *name;
 659         Unit *u;
 660         int r;
 661
 662         assert(message);
 663
 664         /* Anyone can call this method */
 665
 666         r = sd_bus_message_read(message, "s", &name);
 667         if (r < 0)
 668                 return r;
 669
 670         r = bus_load_unit_by_name(m, message, name, &u, error);
 671         if (r < 0)
 672                 return r;
 673
 674         return reply_unit_path(u, message, error);
 675 }
 676
 677 static int method_start_unit_generic(sd_bus_message *message, Manager *m, JobType job_type, bool reload_if_possible, sd_bus_error *error) {
 678         const char *name;
 679         Unit *u;
 680         int r;
 681
 682         assert(message);
 683         assert(m);
 684
 685         r = sd_bus_message_read(message, "s", &name);
 686         if (r < 0)
 687                 return r;
 688
 689         r = manager_load_unit(m, name, NULL, error, &u);
 690         if (r < 0)
 691                 return r;
 692
 693         return bus_unit_method_start_generic(message, u, job_type, reload_if_possible, error);
 694 }
 695
 696 static int method_start_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 697         return method_start_unit_generic(message, userdata, JOB_START, false, error);
 698 }
 699
 700 static int method_stop_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 701         return method_start_unit_generic(message, userdata, JOB_STOP, false, error);
 702 }
 703
 704 static int method_reload_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 705         return method_start_unit_generic(message, userdata, JOB_RELOAD, false, error);
 706 }
 707
 708 static int method_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 709         return method_start_unit_generic(message, userdata, JOB_RESTART, false, error);
 710 }
 711
 712 static int method_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 713         return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, false, error);
 714 }
 715
 716 static int method_reload_or_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 717         return method_start_unit_generic(message, userdata, JOB_RESTART, true, error);
 718 }
 719
 720 static int method_reload_or_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 721         return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, true, error);
 722 }
 723
 724 typedef enum GenericUnitOperationFlags {
 725         GENERIC_UNIT_LOAD            = 1 << 0, /* Load if the unit is not loaded yet */
 726         GENERIC_UNIT_VALIDATE_LOADED = 1 << 1, /* Verify unit is properly loaded before forwarding call */
 727 } GenericUnitOperationFlags;
 728
 729 static int method_generic_unit_operation(
 730                 sd_bus_message *message,
 731                 Manager *m,
 732                 sd_bus_error *error,
 733                 sd_bus_message_handler_t handler,
 734                 GenericUnitOperationFlags flags) {
 735
 736         const char *name;
 737         Unit *u;
 738         int r;
 739
 740         assert(message);
 741         assert(m);
 742
 743         /* Read the first argument from the command and pass the operation to the specified per-unit
 744          * method. */
 745
 746         r = sd_bus_message_read(message, "s", &name);
 747         if (r < 0)
 748                 return r;
 749
 750         if (!isempty(name) && FLAGS_SET(flags, GENERIC_UNIT_LOAD))
 751                 r = manager_load_unit(m, name, NULL, error, &u);
 752         else
 753                 r = bus_get_unit_by_name(m, message, name, &u, error);
 754         if (r < 0)
 755                 return r;
 756
 757         if (FLAGS_SET(flags, GENERIC_UNIT_VALIDATE_LOADED)) {
 758                 r = bus_unit_validate_load_state(u, error);
 759                 if (r < 0)
 760                         return r;
 761         }
 762
 763         return handler(message, u, error);
 764 }
 765
 766 static int method_enqueue_unit_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 767         /* We don't bother with GENERIC_UNIT_VALIDATE_LOADED here, as the job logic validates that anyway */
 768         return method_generic_unit_operation(message, userdata, error, bus_unit_method_enqueue_job, GENERIC_UNIT_LOAD);
 769 }
 770
 771 static int method_start_unit_replace(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 772         Manager *m = ASSERT_PTR(userdata);
 773         const char *old_name;
 774         Unit *u;
 775         int r;
 776
 777         assert(message);
 778
 779         r = sd_bus_message_read(message, "s", &old_name);
 780         if (r < 0)
 781                 return r;
 782
 783         r = bus_get_unit_by_name(m, message, old_name, &u, error);
 784         if (r < 0)
 785                 return r;
 786         if (!u->job || u->job->type != JOB_START)
 787                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name);
 788
 789         return method_start_unit_generic(message, m, JOB_START, false, error);
 790 }
 791
 792 static int method_kill_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 793         /* We don't bother with GENERIC_UNIT_LOAD nor GENERIC_UNIT_VALIDATE_LOADED here, as it shouldn't
 794          * matter whether a unit is loaded for killing any processes possibly in the unit's cgroup. */
 795         return method_generic_unit_operation(message, userdata, error, bus_unit_method_kill, 0);
 796 }
 797
 798 static int method_clean_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 799         /* Load the unit if necessary, in order to load it, and insist on the unit being loaded to be
 800          * cleaned */
 801         return method_generic_unit_operation(message, userdata, error, bus_unit_method_clean, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED);
 802 }
 803
 804 static int method_freeze_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 805         return method_generic_unit_operation(message, userdata, error, bus_unit_method_freeze, 0);
 806 }
 807
 808 static int method_thaw_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 809         return method_generic_unit_operation(message, userdata, error, bus_unit_method_thaw, 0);
 810 }
 811
 812 static int method_reset_failed_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 813         /* Don't load the unit (because unloaded units can't be in failed state), and don't insist on the
 814          * unit to be loaded properly (since a failed unit might have its unit file disappeared) */
 815         return method_generic_unit_operation(message, userdata, error, bus_unit_method_reset_failed, 0);
 816 }
 817
 818 static int method_set_unit_properties(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 819         /* Only change properties on fully loaded units, and load them in order to set properties */
 820         return method_generic_unit_operation(message, userdata, error, bus_unit_method_set_properties, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED);
 821 }
 822
 823 static int method_bind_mount_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 824         /* Only add mounts on fully loaded units */
 825         return method_generic_unit_operation(message, userdata, error, bus_service_method_bind_mount, GENERIC_UNIT_VALIDATE_LOADED);
 826 }
 827
 828 static int method_mount_image_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 829         /* Only add mounts on fully loaded units */
 830         return method_generic_unit_operation(message, userdata, error, bus_service_method_mount_image, GENERIC_UNIT_VALIDATE_LOADED);
 831 }
 832
 833 static int method_ref_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 834         /* Only allow reffing of fully loaded units, and make sure reffing a unit loads it. */
 835         return method_generic_unit_operation(message, userdata, error, bus_unit_method_ref, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED);
 836 }
 837
 838 static int method_unref_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 839         /* Dropping a ref OTOH should not require the unit to still be loaded. And since a reffed unit is a
 840          * loaded unit there's no need to load the unit for unreffing it. */
 841         return method_generic_unit_operation(message, userdata, error, bus_unit_method_unref, 0);
 842 }
 843
 844 static int reply_unit_info(sd_bus_message *reply, Unit *u) {
 845         _cleanup_free_ char *unit_path = NULL, *job_path = NULL;
 846         Unit *following;
 847
 848         following = unit_following(u);
 849
 850         unit_path = unit_dbus_path(u);
 851         if (!unit_path)
 852                 return -ENOMEM;
 853
 854         if (u->job) {
 855                 job_path = job_dbus_path(u->job);
 856                 if (!job_path)
 857                         return -ENOMEM;
 858         }
 859
 860         return sd_bus_message_append(
 861                         reply, "(ssssssouso)",
 862                         u->id,
 863                         unit_description(u),
 864                         unit_load_state_to_string(u->load_state),
 865                         unit_active_state_to_string(unit_active_state(u)),
 866                         unit_sub_state_to_string(u),
 867                         following ? following->id : "",
 868                         unit_path,
 869                         u->job ? u->job->id : 0,
 870                         u->job ? job_type_to_string(u->job->type) : "",
 871                         empty_to_root(job_path));
 872 }
 873
 874 static int method_list_units_by_names(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 875         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
 876         Manager *m = ASSERT_PTR(userdata);
 877         int r;
 878         _cleanup_strv_free_ char **units = NULL;
 879
 880         assert(message);
 881
 882         r = sd_bus_message_read_strv(message, &units);
 883         if (r < 0)
 884                 return r;
 885
 886         r = sd_bus_message_new_method_return(message, &reply);
 887         if (r < 0)
 888                 return r;
 889
 890         r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)");
 891         if (r < 0)
 892                 return r;
 893
 894         STRV_FOREACH(unit, units) {
 895                 Unit *u;
 896
 897                 if (!unit_name_is_valid(*unit, UNIT_NAME_ANY))
 898                         continue;
 899
 900                 r = bus_load_unit_by_name(m, message, *unit, &u, error);
 901                 if (r < 0)
 902                         return r;
 903
 904                 r = reply_unit_info(reply, u);
 905                 if (r < 0)
 906                         return r;
 907         }
 908
 909         r = sd_bus_message_close_container(reply);
 910         if (r < 0)
 911                 return r;
 912
 913         return sd_bus_send(NULL, reply, NULL);
 914 }
 915
 916 static int method_get_unit_processes(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 917         /* Don't load a unit (since it won't have any processes if it's not loaded), but don't insist on the
 918          * unit being loaded (because even improperly loaded units might still have processes around */
 919         return method_generic_unit_operation(message, userdata, error, bus_unit_method_get_processes, 0);
 920 }
 921
 922 static int method_attach_processes_to_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
 923         /* Don't allow attaching new processes to units that aren't loaded. Don't bother with loading a unit
 924          * for this purpose though, as an unloaded unit is a stopped unit, and we don't allow attaching
 925          * processes to stopped units anyway. */
 926         return method_generic_unit_operation(message, userdata, error, bus_unit_method_attach_processes, GENERIC_UNIT_VALIDATE_LOADED);
 927 }
 928
 929 static int transient_unit_from_message(
 930                 Manager *m,
 931                 sd_bus_message *message,
 932                 const char *name,
 933                 Unit **unit,
 934                 sd_bus_error *error) {
 935
 936         UnitType t;
 937         Unit *u;
 938         int r;
 939
 940         assert(m);
 941         assert(message);
 942         assert(name);
 943
 944         t = unit_name_to_type(name);
 945         if (t < 0)
 946                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
 947                                          "Invalid unit name or type.");
 948
 949         if (!unit_vtable[t]->can_transient)
 950                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
 951                                          "Unit type %s does not support transient units.",
 952                                          unit_type_to_string(t));
 953
 954         r = manager_load_unit(m, name, NULL, error, &u);
 955         if (r < 0)
 956                 return r;
 957
 958         if (!unit_is_pristine(u))
 959                 return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
 960                                          "Unit %s already exists.", name);
 961
 962         /* OK, the unit failed to load and is unreferenced, now let's
 963          * fill in the transient data instead */
 964         r = unit_make_transient(u);
 965         if (r < 0)
 966                 return r;
 967
 968         /* Set our properties */
 969         r = bus_unit_set_properties(u, message, UNIT_RUNTIME, false, error);
 970         if (r < 0)
 971                 return r;
 972
 973         /* If the client asked for it, automatically add a reference to this unit. */
 974         if (u->bus_track_add) {
 975                 r = bus_unit_track_add_sender(u, message);
 976                 if (r < 0)
 977                         return log_error_errno(r, "Failed to watch sender: %m");
 978         }
 979
 980         /* Now load the missing bits of the unit we just created */
 981         unit_add_to_load_queue(u);
 982         manager_dispatch_load_queue(m);
 983
 984         *unit = u;
 985
 986         return 0;
 987 }
 988
 989 static int transient_aux_units_from_message(
 990                 Manager *m,
 991                 sd_bus_message *message,
 992                 sd_bus_error *error) {
 993
 994         int r;
 995
 996         assert(m);
 997         assert(message);
 998
 999         r = sd_bus_message_enter_container(message, 'a', "(sa(sv))");
1000         if (r < 0)
1001                 return r;
1002
1003         while ((r = sd_bus_message_enter_container(message, 'r', "sa(sv)")) > 0) {
1004                 const char *name = NULL;
1005                 Unit *u;
1006
1007                 r = sd_bus_message_read(message, "s", &name);
1008                 if (r < 0)
1009                         return r;
1010
1011                 r = transient_unit_from_message(m, message, name, &u, error);
1012                 if (r < 0)
1013                         return r;
1014
1015                 r = sd_bus_message_exit_container(message);
1016                 if (r < 0)
1017                         return r;
1018         }
1019         if (r < 0)
1020                 return r;
1021
1022         r = sd_bus_message_exit_container(message);
1023         if (r < 0)
1024                 return r;
1025
1026         return 0;
1027 }
1028
1029 static int method_start_transient_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1030         const char *name, *smode;
1031         Manager *m = ASSERT_PTR(userdata);
1032         JobMode mode;
1033         Unit *u;
1034         int r;
1035
1036         assert(message);
1037
1038         r = mac_selinux_access_check(message, "start", error);
1039         if (r < 0)
1040                 return r;
1041
1042         r = sd_bus_message_read(message, "ss", &name, &smode);
1043         if (r < 0)
1044                 return r;
1045
1046         mode = job_mode_from_string(smode);
1047         if (mode < 0)
1048                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s is invalid.", smode);
1049
1050         r = bus_verify_manage_units_async(m, message, error);
1051         if (r < 0)
1052                 return r;
1053         if (r == 0)
1054                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1055
1056         r = transient_unit_from_message(m, message, name, &u, error);
1057         if (r < 0)
1058                 return r;
1059
1060         r = transient_aux_units_from_message(m, message, error);
1061         if (r < 0)
1062                 return r;
1063
1064         /* Finally, start it */
1065         return bus_unit_queue_job(message, u, JOB_START, mode, 0, error);
1066 }
1067
1068 static int method_get_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1069         _cleanup_free_ char *path = NULL;
1070         Manager *m = ASSERT_PTR(userdata);
1071         uint32_t id;
1072         Job *j;
1073         int r;
1074
1075         assert(message);
1076
1077         /* Anyone can call this method */
1078
1079         r = sd_bus_message_read(message, "u", &id);
1080         if (r < 0)
1081                 return r;
1082
1083         j = manager_get_job(m, id);
1084         if (!j)
1085                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
1086
1087         r = mac_selinux_unit_access_check(j->unit, message, "status", error);
1088         if (r < 0)
1089                 return r;
1090
1091         path = job_dbus_path(j);
1092         if (!path)
1093                 return -ENOMEM;
1094
1095         return sd_bus_reply_method_return(message, "o", path);
1096 }
1097
1098 static int method_cancel_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1099         Manager *m = ASSERT_PTR(userdata);
1100         uint32_t id;
1101         Job *j;
1102         int r;
1103
1104         assert(message);
1105
1106         r = sd_bus_message_read(message, "u", &id);
1107         if (r < 0)
1108                 return r;
1109
1110         j = manager_get_job(m, id);
1111         if (!j)
1112                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
1113
1114         return bus_job_method_cancel(message, j, error);
1115 }
1116
1117 static int method_clear_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1118         Manager *m = ASSERT_PTR(userdata);
1119         int r;
1120
1121         assert(message);
1122
1123         r = mac_selinux_access_check(message, "reload", error);
1124         if (r < 0)
1125                 return r;
1126
1127         r = bus_verify_manage_units_async(m, message, error);
1128         if (r < 0)
1129                 return r;
1130         if (r == 0)
1131                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1132
1133         manager_clear_jobs(m);
1134
1135         return sd_bus_reply_method_return(message, NULL);
1136 }
1137
1138 static int method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1139         Manager *m = ASSERT_PTR(userdata);
1140         int r;
1141
1142         assert(message);
1143
1144         r = mac_selinux_access_check(message, "reload", error);
1145         if (r < 0)
1146                 return r;
1147
1148         r = bus_verify_manage_units_async(m, message, error);
1149         if (r < 0)
1150                 return r;
1151         if (r == 0)
1152                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1153
1154         manager_reset_failed(m);
1155
1156         return sd_bus_reply_method_return(message, NULL);
1157 }
1158
1159 static int list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
1160         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1161         Manager *m = ASSERT_PTR(userdata);
1162         const char *k;
1163         Unit *u;
1164         int r;
1165
1166         assert(message);
1167
1168         /* Anyone can call this method */
1169
1170         r = mac_selinux_access_check(message, "status", error);
1171         if (r < 0)
1172                 return r;
1173
1174         r = sd_bus_message_new_method_return(message, &reply);
1175         if (r < 0)
1176                 return r;
1177
1178         r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)");
1179         if (r < 0)
1180                 return r;
1181
1182         HASHMAP_FOREACH_KEY(u, k, m->units) {
1183                 if (k != u->id)
1184                         continue;
1185
1186                 if (!strv_isempty(states) &&
1187                     !strv_contains(states, unit_load_state_to_string(u->load_state)) &&
1188                     !strv_contains(states, unit_active_state_to_string(unit_active_state(u))) &&
1189                     !strv_contains(states, unit_sub_state_to_string(u)))
1190                         continue;
1191
1192                 if (!strv_isempty(patterns) &&
1193                     !strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
1194                         continue;
1195
1196                 r = reply_unit_info(reply, u);
1197                 if (r < 0)
1198                         return r;
1199         }
1200
1201         r = sd_bus_message_close_container(reply);
1202         if (r < 0)
1203                 return r;
1204
1205         return sd_bus_send(NULL, reply, NULL);
1206 }
1207
1208 static int method_list_units(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1209         return list_units_filtered(message, userdata, error, NULL, NULL);
1210 }
1211
1212 static int method_list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1213         _cleanup_strv_free_ char **states = NULL;
1214         int r;
1215
1216         r = sd_bus_message_read_strv(message, &states);
1217         if (r < 0)
1218                 return r;
1219
1220         return list_units_filtered(message, userdata, error, states, NULL);
1221 }
1222
1223 static int method_list_units_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1224         _cleanup_strv_free_ char **states = NULL;
1225         _cleanup_strv_free_ char **patterns = NULL;
1226         int r;
1227
1228         r = sd_bus_message_read_strv(message, &states);
1229         if (r < 0)
1230                 return r;
1231
1232         r = sd_bus_message_read_strv(message, &patterns);
1233         if (r < 0)
1234                 return r;
1235
1236         return list_units_filtered(message, userdata, error, states, patterns);
1237 }
1238
1239 static int method_list_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1240         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1241         Manager *m = ASSERT_PTR(userdata);
1242         Job *j;
1243         int r;
1244
1245         assert(message);
1246
1247         /* Anyone can call this method */
1248
1249         r = mac_selinux_access_check(message, "status", error);
1250         if (r < 0)
1251                 return r;
1252
1253         r = sd_bus_message_new_method_return(message, &reply);
1254         if (r < 0)
1255                 return r;
1256
1257         r = sd_bus_message_open_container(reply, 'a', "(usssoo)");
1258         if (r < 0)
1259                 return r;
1260
1261         HASHMAP_FOREACH(j, m->jobs) {
1262                 _cleanup_free_ char *unit_path = NULL, *job_path = NULL;
1263
1264                 job_path = job_dbus_path(j);
1265                 if (!job_path)
1266                         return -ENOMEM;
1267
1268                 unit_path = unit_dbus_path(j->unit);
1269                 if (!unit_path)
1270                         return -ENOMEM;
1271
1272                 r = sd_bus_message_append(
1273                                 reply, "(usssoo)",
1274                                 j->id,
1275                                 j->unit->id,
1276                                 job_type_to_string(j->type),
1277                                 job_state_to_string(j->state),
1278                                 job_path,
1279                                 unit_path);
1280                 if (r < 0)
1281                         return r;
1282         }
1283
1284         r = sd_bus_message_close_container(reply);
1285         if (r < 0)
1286                 return r;
1287
1288         return sd_bus_send(NULL, reply, NULL);
1289 }
1290
1291 static int method_subscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1292         Manager *m = ASSERT_PTR(userdata);
1293         int r;
1294
1295         assert(message);
1296
1297         /* Anyone can call this method */
1298
1299         r = mac_selinux_access_check(message, "status", error);
1300         if (r < 0)
1301                 return r;
1302
1303         if (sd_bus_message_get_bus(message) == m->api_bus) {
1304
1305                 /* Note that direct bus connection subscribe by
1306                  * default, we only track peers on the API bus here */
1307
1308                 if (!m->subscribed) {
1309                         r = sd_bus_track_new(sd_bus_message_get_bus(message), &m->subscribed, NULL, NULL);
1310                         if (r < 0)
1311                                 return r;
1312                 }
1313
1314                 r = sd_bus_track_add_sender(m->subscribed, message);
1315                 if (r < 0)
1316                         return r;
1317                 if (r == 0)
1318                         return sd_bus_error_set(error, BUS_ERROR_ALREADY_SUBSCRIBED, "Client is already subscribed.");
1319         }
1320
1321         return sd_bus_reply_method_return(message, NULL);
1322 }
1323
1324 static int method_unsubscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1325         Manager *m = ASSERT_PTR(userdata);
1326         int r;
1327
1328         assert(message);
1329
1330         /* Anyone can call this method */
1331
1332         r = mac_selinux_access_check(message, "status", error);
1333         if (r < 0)
1334                 return r;
1335
1336         if (sd_bus_message_get_bus(message) == m->api_bus) {
1337                 r = sd_bus_track_remove_sender(m->subscribed, message);
1338                 if (r < 0)
1339                         return r;
1340                 if (r == 0)
1341                         return sd_bus_error_set(error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
1342         }
1343
1344         return sd_bus_reply_method_return(message, NULL);
1345 }
1346
1347 static int dump_impl(
1348                 sd_bus_message *message,
1349                 void *userdata,
1350                 sd_bus_error *error,
1351                 char **patterns,
1352                 int (*reply)(sd_bus_message *, char *)) {
1353
1354         _cleanup_free_ char *dump = NULL;
1355         Manager *m = ASSERT_PTR(userdata);
1356         int r;
1357
1358         assert(message);
1359
1360         /* Anyone can call this method */
1361
1362         r = mac_selinux_access_check(message, "status", error);
1363         if (r < 0)
1364                 return r;
1365
1366         r = manager_get_dump_string(m, patterns, &dump);
1367         if (r < 0)
1368                 return r;
1369
1370         return reply(message, dump);
1371 }
1372
1373 static int reply_dump(sd_bus_message *message, char *dump) {
1374         return sd_bus_reply_method_return(message, "s", dump);
1375 }
1376
1377 static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1378         return dump_impl(message, userdata, error, NULL, reply_dump);
1379 }
1380
1381 static int reply_dump_by_fd(sd_bus_message *message, char *dump) {
1382         _cleanup_close_ int fd = -1;
1383
1384         fd = acquire_data_fd(dump, strlen(dump), 0);
1385         if (fd < 0)
1386                 return fd;
1387
1388         return sd_bus_reply_method_return(message, "h", fd);
1389 }
1390
1391 static int method_dump_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1392         return dump_impl(message, userdata, error, NULL, reply_dump_by_fd);
1393 }
1394
1395 static int method_dump_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1396         _cleanup_strv_free_ char **patterns = NULL;
1397         int r;
1398
1399         r = sd_bus_message_read_strv(message, &patterns);
1400         if (r < 0)
1401                 return r;
1402
1403         return dump_impl(message, userdata, error, patterns, reply_dump);
1404 }
1405
1406 static int method_refuse_snapshot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1407         return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed.");
1408 }
1409
1410 static int verify_run_space(const char *message, sd_bus_error *error) {
1411         struct statvfs svfs;
1412         uint64_t available;
1413
1414         if (statvfs("/run/systemd", &svfs) < 0)
1415                 return sd_bus_error_set_errnof(error, errno, "Failed to statvfs(/run/systemd): %m");
1416
1417         available = (uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize;
1418
1419         if (available < RELOAD_DISK_SPACE_MIN)
1420                 return sd_bus_error_setf(error,
1421                                          BUS_ERROR_DISK_FULL,
1422                                          "%s, not enough space available on /run/systemd. "
1423                                          "Currently, %s are free, but a safety buffer of %s is enforced.",
1424                                          message,
1425                                          FORMAT_BYTES(available),
1426                                          FORMAT_BYTES(RELOAD_DISK_SPACE_MIN));
1427
1428         return 0;
1429 }
1430
1431 int verify_run_space_and_log(const char *message) {
1432         _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1433         int r;
1434
1435         r = verify_run_space(message, &error);
1436         if (r < 0)
1437                 return log_error_errno(r, "%s", bus_error_message(&error, r));
1438
1439         return 0;
1440 }
1441
1442 static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1443         Manager *m = ASSERT_PTR(userdata);
1444         int r;
1445
1446         assert(message);
1447
1448         r = verify_run_space("Refusing to reload", error);
1449         if (r < 0)
1450                 return r;
1451
1452         r = mac_selinux_access_check(message, "reload", error);
1453         if (r < 0)
1454                 return r;
1455
1456         r = bus_verify_reload_daemon_async(m, message, error);
1457         if (r < 0)
1458                 return r;
1459         if (r == 0)
1460                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1461
1462         /* Instead of sending the reply back right away, we just
1463          * remember that we need to and then send it after the reload
1464          * is finished. That way the caller knows when the reload
1465          * finished. */
1466
1467         assert(!m->pending_reload_message);
1468         r = sd_bus_message_new_method_return(message, &m->pending_reload_message);
1469         if (r < 0)
1470                 return r;
1471
1472         m->objective = MANAGER_RELOAD;
1473
1474         return 1;
1475 }
1476
1477 static int method_reexecute(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1478         Manager *m = ASSERT_PTR(userdata);
1479         int r;
1480
1481         assert(message);
1482
1483         r = verify_run_space("Refusing to reexecute", error);
1484         if (r < 0)
1485                 return r;
1486
1487         r = mac_selinux_access_check(message, "reload", error);
1488         if (r < 0)
1489                 return r;
1490
1491         r = bus_verify_reload_daemon_async(m, message, error);
1492         if (r < 0)
1493                 return r;
1494         if (r == 0)
1495                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1496
1497         /* We don't send a reply back here, the client should
1498          * just wait for us disconnecting. */
1499
1500         m->objective = MANAGER_REEXECUTE;
1501         return 1;
1502 }
1503
1504 static int method_exit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1505         Manager *m = ASSERT_PTR(userdata);
1506         int r;
1507
1508         assert(message);
1509
1510         r = mac_selinux_access_check(message, "halt", error);
1511         if (r < 0)
1512                 return r;
1513
1514         /* Exit() (in contrast to SetExitCode()) is actually allowed even if
1515          * we are running on the host. It will fall back on reboot() in
1516          * systemd-shutdown if it cannot do the exit() because it isn't a
1517          * container. */
1518
1519         m->objective = MANAGER_EXIT;
1520
1521         return sd_bus_reply_method_return(message, NULL);
1522 }
1523
1524 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1525         Manager *m = ASSERT_PTR(userdata);
1526         int r;
1527
1528         assert(message);
1529
1530         r = mac_selinux_access_check(message, "reboot", error);
1531         if (r < 0)
1532                 return r;
1533
1534         if (!MANAGER_IS_SYSTEM(m))
1535                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1536                                          "Reboot is only supported for system managers.");
1537
1538         m->objective = MANAGER_REBOOT;
1539
1540         return sd_bus_reply_method_return(message, NULL);
1541 }
1542
1543 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1544         Manager *m = ASSERT_PTR(userdata);
1545         int r;
1546
1547         assert(message);
1548
1549         r = mac_selinux_access_check(message, "halt", error);
1550         if (r < 0)
1551                 return r;
1552
1553         if (!MANAGER_IS_SYSTEM(m))
1554                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1555                                          "Powering off is only supported for system managers.");
1556
1557         m->objective = MANAGER_POWEROFF;
1558
1559         return sd_bus_reply_method_return(message, NULL);
1560 }
1561
1562 static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1563         Manager *m = ASSERT_PTR(userdata);
1564         int r;
1565
1566         assert(message);
1567
1568         r = mac_selinux_access_check(message, "halt", error);
1569         if (r < 0)
1570                 return r;
1571
1572         if (!MANAGER_IS_SYSTEM(m))
1573                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1574                                          "Halt is only supported for system managers.");
1575
1576         m->objective = MANAGER_HALT;
1577
1578         return sd_bus_reply_method_return(message, NULL);
1579 }
1580
1581 static int method_kexec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1582         Manager *m = ASSERT_PTR(userdata);
1583         int r;
1584
1585         assert(message);
1586
1587         r = mac_selinux_access_check(message, "reboot", error);
1588         if (r < 0)
1589                 return r;
1590
1591         if (!MANAGER_IS_SYSTEM(m))
1592                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1593                                          "KExec is only supported for system managers.");
1594
1595         m->objective = MANAGER_KEXEC;
1596
1597         return sd_bus_reply_method_return(message, NULL);
1598 }
1599
1600 static int method_switch_root(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1601         _cleanup_free_ char *ri = NULL, *rt = NULL;
1602         const char *root, *init;
1603         Manager *m = ASSERT_PTR(userdata);
1604         struct statvfs svfs;
1605         uint64_t available;
1606         int r;
1607
1608         assert(message);
1609
1610         if (statvfs("/run/systemd", &svfs) < 0)
1611                 return sd_bus_error_set_errnof(error, errno, "Failed to statvfs(/run/systemd): %m");
1612
1613         available = (uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize;
1614
1615         if (available < RELOAD_DISK_SPACE_MIN)
1616                 log_warning("Dangerously low amount of free space on /run/systemd, root switching might fail.\n"
1617                             "Currently, %s are free, but %s are suggested. Proceeding anyway.",
1618                             FORMAT_BYTES(available),
1619                             FORMAT_BYTES(RELOAD_DISK_SPACE_MIN));
1620
1621         r = mac_selinux_access_check(message, "reboot", error);
1622         if (r < 0)
1623                 return r;
1624
1625         if (!MANAGER_IS_SYSTEM(m))
1626                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1627                                          "Root switching is only supported by system manager.");
1628
1629         r = sd_bus_message_read(message, "ss", &root, &init);
1630         if (r < 0)
1631                 return r;
1632
1633         if (isempty(root))
1634                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1635                                          "New root directory may not be the empty string.");
1636         if (!path_is_absolute(root))
1637                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1638                                          "New root path '%s' is not absolute.", root);
1639         if (path_equal(root, "/"))
1640                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1641                                          "New root directory cannot be the old root directory.");
1642
1643         /* Safety check */
1644         if (isempty(init)) {
1645                 r = path_is_os_tree(root);
1646                 if (r < 0)
1647                         return sd_bus_error_set_errnof(error, r,
1648                                                        "Failed to determine whether root path '%s' contains an OS tree: %m",
1649                                                        root);
1650                 if (r == 0)
1651                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1652                                                  "Specified switch root path '%s' does not seem to be an OS tree. os-release file is missing.",
1653                                                  root);
1654         } else {
1655                 _cleanup_free_ char *chased = NULL;
1656
1657                 if (!path_is_absolute(init))
1658                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1659                                                  "Path to init binary '%s' not absolute.", init);
1660
1661                 r = chase_symlinks(init, root, CHASE_PREFIX_ROOT|CHASE_TRAIL_SLASH, &chased, NULL);
1662                 if (r < 0)
1663                         return sd_bus_error_set_errnof(error, r,
1664                                                        "Could not resolve init executable %s: %m", init);
1665
1666                 if (laccess(chased, X_OK) < 0) {
1667                         if (errno == EACCES)
1668                                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1669                                                          "Init binary %s is not executable.", init);
1670
1671                         return sd_bus_error_set_errnof(error, r,
1672                                                        "Could not check whether init binary %s is executable: %m", init);
1673                 }
1674         }
1675
1676         rt = strdup(root);
1677         if (!rt)
1678                 return -ENOMEM;
1679
1680         if (!isempty(init)) {
1681                 ri = strdup(init);
1682                 if (!ri)
1683                         return -ENOMEM;
1684         }
1685
1686         free_and_replace(m->switch_root, rt);
1687         free_and_replace(m->switch_root_init, ri);
1688
1689         m->objective = MANAGER_SWITCH_ROOT;
1690
1691         return sd_bus_reply_method_return(message, NULL);
1692 }
1693
1694 static int method_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1695         _cleanup_strv_free_ char **plus = NULL;
1696         Manager *m = ASSERT_PTR(userdata);
1697         int r;
1698
1699         assert(message);
1700
1701         r = mac_selinux_access_check(message, "reload", error);
1702         if (r < 0)
1703                 return r;
1704
1705         r = sd_bus_message_read_strv(message, &plus);
1706         if (r < 0)
1707                 return r;
1708         if (!strv_env_is_valid(plus))
1709                 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments");
1710
1711         r = bus_verify_set_environment_async(m, message, error);
1712         if (r < 0)
1713                 return r;
1714         if (r == 0)
1715                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1716
1717         r = manager_client_environment_modify(m, NULL, plus);
1718         if (r < 0)
1719                 return r;
1720
1721         return sd_bus_reply_method_return(message, NULL);
1722 }
1723
1724 static int method_unset_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1725         _cleanup_strv_free_ char **minus = NULL;
1726         Manager *m = ASSERT_PTR(userdata);
1727         int r;
1728
1729         assert(message);
1730
1731         r = mac_selinux_access_check(message, "reload", error);
1732         if (r < 0)
1733                 return r;
1734
1735         r = sd_bus_message_read_strv(message, &minus);
1736         if (r < 0)
1737                 return r;
1738
1739         if (!strv_env_name_or_assignment_is_valid(minus))
1740                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1741                                          "Invalid environment variable names or assignments");
1742
1743         r = bus_verify_set_environment_async(m, message, error);
1744         if (r < 0)
1745                 return r;
1746         if (r == 0)
1747                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1748
1749         r = manager_client_environment_modify(m, minus, NULL);
1750         if (r < 0)
1751                 return r;
1752
1753         return sd_bus_reply_method_return(message, NULL);
1754 }
1755
1756 static int method_unset_and_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1757         _cleanup_strv_free_ char **minus = NULL, **plus = NULL;
1758         Manager *m = ASSERT_PTR(userdata);
1759         int r;
1760
1761         assert(message);
1762
1763         r = mac_selinux_access_check(message, "reload", error);
1764         if (r < 0)
1765                 return r;
1766
1767         r = sd_bus_message_read_strv(message, &minus);
1768         if (r < 0)
1769                 return r;
1770
1771         r = sd_bus_message_read_strv(message, &plus);
1772         if (r < 0)
1773                 return r;
1774
1775         if (!strv_env_name_or_assignment_is_valid(minus))
1776                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1777                                          "Invalid environment variable names or assignments");
1778         if (!strv_env_is_valid(plus))
1779                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1780                                          "Invalid environment assignments");
1781
1782         r = bus_verify_set_environment_async(m, message, error);
1783         if (r < 0)
1784                 return r;
1785         if (r == 0)
1786                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1787
1788         r = manager_client_environment_modify(m, minus, plus);
1789         if (r < 0)
1790                 return r;
1791
1792         return sd_bus_reply_method_return(message, NULL);
1793 }
1794
1795 static int method_set_exit_code(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1796         Manager *m = ASSERT_PTR(userdata);
1797         uint8_t code;
1798         int r;
1799
1800         assert(message);
1801
1802         r = mac_selinux_access_check(message, "exit", error);
1803         if (r < 0)
1804                 return r;
1805
1806         r = sd_bus_message_read_basic(message, 'y', &code);
1807         if (r < 0)
1808                 return r;
1809
1810         if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0)
1811                 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "ExitCode can only be set for user service managers or in containers.");
1812
1813         m->return_value = code;
1814
1815         return sd_bus_reply_method_return(message, NULL);
1816 }
1817
1818 static int method_lookup_dynamic_user_by_name(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1819         Manager *m = ASSERT_PTR(userdata);
1820         const char *name;
1821         uid_t uid;
1822         int r;
1823
1824         assert(message);
1825
1826         r = sd_bus_message_read_basic(message, 's', &name);
1827         if (r < 0)
1828                 return r;
1829
1830         if (!MANAGER_IS_SYSTEM(m))
1831                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1832                                          "Dynamic users are only supported in the system instance.");
1833         if (!valid_user_group_name(name, VALID_USER_RELAX))
1834                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1835                                          "User name invalid: %s", name);
1836
1837         r = dynamic_user_lookup_name(m, name, &uid);
1838         if (r == -ESRCH)
1839                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER,
1840                                          "Dynamic user %s does not exist.", name);
1841         if (r < 0)
1842                 return r;
1843
1844         return sd_bus_reply_method_return(message, "u", (uint32_t) uid);
1845 }
1846
1847 static int method_lookup_dynamic_user_by_uid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1848         _cleanup_free_ char *name = NULL;
1849         Manager *m = ASSERT_PTR(userdata);
1850         uid_t uid;
1851         int r;
1852
1853         assert(message);
1854
1855         assert_cc(sizeof(uid_t) == sizeof(uint32_t));
1856         r = sd_bus_message_read_basic(message, 'u', &uid);
1857         if (r < 0)
1858                 return r;
1859
1860         if (!MANAGER_IS_SYSTEM(m))
1861                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1862                                          "Dynamic users are only supported in the system instance.");
1863         if (!uid_is_valid(uid))
1864                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1865                                          "User ID invalid: " UID_FMT, uid);
1866
1867         r = dynamic_user_lookup_uid(m, uid, &name);
1868         if (r == -ESRCH)
1869                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER,
1870                                          "Dynamic user ID " UID_FMT " does not exist.", uid);
1871         if (r < 0)
1872                 return r;
1873
1874         return sd_bus_reply_method_return(message, "s", name);
1875 }
1876
1877 static int method_get_dynamic_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1878         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1879         Manager *m = ASSERT_PTR(userdata);
1880         DynamicUser *d;
1881         int r;
1882
1883         assert(message);
1884
1885         assert_cc(sizeof(uid_t) == sizeof(uint32_t));
1886
1887         if (!MANAGER_IS_SYSTEM(m))
1888                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1889                                          "Dynamic users are only supported in the system instance.");
1890
1891         r = sd_bus_message_new_method_return(message, &reply);
1892         if (r < 0)
1893                 return r;
1894
1895         r = sd_bus_message_open_container(reply, 'a', "(us)");
1896         if (r < 0)
1897                 return r;
1898
1899         HASHMAP_FOREACH(d, m->dynamic_users) {
1900                 uid_t uid;
1901
1902                 r = dynamic_user_current(d, &uid);
1903                 if (r == -EAGAIN) /* not realized yet? */
1904                         continue;
1905                 if (r < 0)
1906                         return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED,
1907                                                  "Failed to look up a dynamic user.");
1908
1909                 r = sd_bus_message_append(reply, "(us)", uid, d->name);
1910                 if (r < 0)
1911                         return r;
1912         }
1913
1914         r = sd_bus_message_close_container(reply);
1915         if (r < 0)
1916                 return r;
1917
1918         return sd_bus_send(NULL, reply, NULL);
1919 }
1920
1921 static int method_enqueue_marked_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1922         Manager *m = ASSERT_PTR(userdata);
1923         int r;
1924
1925         assert(message);
1926
1927         r = mac_selinux_access_check(message, "start", error);
1928         if (r < 0)
1929                 return r;
1930
1931         r = bus_verify_manage_units_async(m, message, error);
1932         if (r < 0)
1933                 return r;
1934         if (r == 0)
1935                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1936
1937         log_info("Queuing reload/restart jobs for marked units%s", special_glyph(SPECIAL_GLYPH_ELLIPSIS));
1938
1939         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1940         r = sd_bus_message_new_method_return(message, &reply);
1941         if (r < 0)
1942                 return r;
1943
1944         r = sd_bus_message_open_container(reply, 'a', "o");
1945         if (r < 0)
1946                 return r;
1947
1948         Unit *u;
1949         char *k;
1950         int ret = 0;
1951         HASHMAP_FOREACH_KEY(u, k, m->units) {
1952                 /* ignore aliases */
1953                 if (u->id != k)
1954                         continue;
1955
1956                 BusUnitQueueFlags flags;
1957                 if (FLAGS_SET(u->markers, 1u << UNIT_MARKER_NEEDS_RESTART))
1958                         flags = 0;
1959                 else if (FLAGS_SET(u->markers, 1u << UNIT_MARKER_NEEDS_RELOAD))
1960                         flags = BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE;
1961                 else
1962                         continue;
1963
1964                 r = mac_selinux_unit_access_check(u, message, "start", error);
1965                 if (r >= 0)
1966                         r = bus_unit_queue_job_one(message, u,
1967                                                    JOB_TRY_RESTART, JOB_FAIL, flags,
1968                                                    reply, error);
1969                 if (r < 0) {
1970                         if (ERRNO_IS_RESOURCE(r))
1971                                 return r;
1972                         if (ret >= 0)
1973                                 ret = r;
1974                         sd_bus_error_free(error);
1975                 }
1976         }
1977
1978         if (ret < 0)
1979                 return sd_bus_error_set_errnof(error, ret,
1980                                                "Failed to enqueue some jobs, see logs for details: %m");
1981
1982         r = sd_bus_message_close_container(reply);
1983         if (r < 0)
1984                 return r;
1985
1986         return sd_bus_send(NULL, reply, NULL);
1987 }
1988
1989 static int list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
1990         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1991         Manager *m = ASSERT_PTR(userdata);
1992         UnitFileList *item;
1993         Hashmap *h;
1994         int r;
1995
1996         assert(message);
1997
1998         /* Anyone can call this method */
1999
2000         r = mac_selinux_access_check(message, "status", error);
2001         if (r < 0)
2002                 return r;
2003
2004         r = sd_bus_message_new_method_return(message, &reply);
2005         if (r < 0)
2006                 return r;
2007
2008         h = hashmap_new(&string_hash_ops);
2009         if (!h)
2010                 return -ENOMEM;
2011
2012         r = unit_file_get_list(m->unit_file_scope, NULL, h, states, patterns);
2013         if (r < 0)
2014                 goto fail;
2015
2016         r = sd_bus_message_open_container(reply, 'a', "(ss)");
2017         if (r < 0)
2018                 goto fail;
2019
2020         HASHMAP_FOREACH(item, h) {
2021
2022                 r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state));
2023                 if (r < 0)
2024                         goto fail;
2025         }
2026
2027         unit_file_list_free(h);
2028
2029         r = sd_bus_message_close_container(reply);
2030         if (r < 0)
2031                 return r;
2032
2033         return sd_bus_send(NULL, reply, NULL);
2034
2035 fail:
2036         unit_file_list_free(h);
2037         return r;
2038 }
2039
2040 static int method_list_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2041         return list_unit_files_by_patterns(message, userdata, error, NULL, NULL);
2042 }
2043
2044 static int method_list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2045         _cleanup_strv_free_ char **states = NULL;
2046         _cleanup_strv_free_ char **patterns = NULL;
2047         int r;
2048
2049         r = sd_bus_message_read_strv(message, &states);
2050         if (r < 0)
2051                 return r;
2052
2053         r = sd_bus_message_read_strv(message, &patterns);
2054         if (r < 0)
2055                 return r;
2056
2057         return list_unit_files_by_patterns(message, userdata, error, states, patterns);
2058 }
2059
2060 static int method_get_unit_file_state(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2061         Manager *m = ASSERT_PTR(userdata);
2062         const char *name;
2063         UnitFileState state;
2064         int r;
2065
2066         assert(message);
2067
2068         /* Anyone can call this method */
2069
2070         r = mac_selinux_access_check(message, "status", error);
2071         if (r < 0)
2072                 return r;
2073
2074         r = sd_bus_message_read(message, "s", &name);
2075         if (r < 0)
2076                 return r;
2077
2078         r = unit_file_get_state(m->unit_file_scope, NULL, name, &state);
2079         if (r < 0)
2080                 return r;
2081
2082         return sd_bus_reply_method_return(message, "s", unit_file_state_to_string(state));
2083 }
2084
2085 static int method_get_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2086         _cleanup_free_ char *default_target = NULL;
2087         Manager *m = ASSERT_PTR(userdata);
2088         int r;
2089
2090         assert(message);
2091
2092         /* Anyone can call this method */
2093
2094         r = mac_selinux_access_check(message, "status", error);
2095         if (r < 0)
2096                 return r;
2097
2098         r = unit_file_get_default(m->unit_file_scope, NULL, &default_target);
2099         if (r < 0)
2100                 return r;
2101
2102         return sd_bus_reply_method_return(message, "s", default_target);
2103 }
2104
2105 static int send_unit_files_changed(sd_bus *bus, void *userdata) {
2106         _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
2107         int r;
2108
2109         assert(bus);
2110
2111         r = sd_bus_message_new_signal(bus, &message,
2112                                       "/org/freedesktop/systemd1",
2113                                       "org.freedesktop.systemd1.Manager",
2114                                       "UnitFilesChanged");
2115         if (r < 0)
2116                 return r;
2117
2118         return sd_bus_send(bus, message, NULL);
2119 }
2120
2121 /* Create an error reply, using the error information from changes[]
2122  * if possible, and fall back to generating an error from error code c.
2123  * The error message only describes the first error.
2124  *
2125  * Coordinate with install_changes_dump() in install.c.
2126  */
2127 static int install_error(
2128                 sd_bus_error *error,
2129                 int c,
2130                 InstallChange *changes,
2131                 size_t n_changes) {
2132
2133         int r;
2134
2135         for (size_t i = 0; i < n_changes; i++)
2136
2137                 switch (changes[i].type) {
2138
2139                 case 0 ... _INSTALL_CHANGE_TYPE_MAX: /* not errors */
2140                         break;
2141
2142                 case -EEXIST:
2143                         if (changes[i].source)
2144                                 r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
2145                                                       "File %s already exists and is a symlink to %s.",
2146                                                       changes[i].path, changes[i].source);
2147                         else
2148                                 r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
2149                                                       "File %s already exists.",
2150                                                       changes[i].path);
2151                         goto found;
2152
2153                 case -ERFKILL:
2154                         r = sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED,
2155                                               "Unit file %s is masked.", changes[i].path);
2156                         goto found;
2157
2158                 case -EADDRNOTAVAIL:
2159                         r = sd_bus_error_setf(error, BUS_ERROR_UNIT_GENERATED,
2160                                               "Unit %s is transient or generated.", changes[i].path);
2161                         goto found;
2162
2163                 case -EUCLEAN:
2164                         r = sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING,
2165                                               "\"%s\" is not a valid unit name.",
2166                                               changes[i].path);
2167                         goto found;
2168
2169                 case -ELOOP:
2170                         r = sd_bus_error_setf(error, BUS_ERROR_UNIT_LINKED,
2171                                               "Refusing to operate on alias name or linked unit file: %s",
2172                                               changes[i].path);
2173                         goto found;
2174
2175                 case -ENOENT:
2176                         r = sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT,
2177                                               "Unit file %s does not exist.", changes[i].path);
2178                         goto found;
2179
2180                 default:
2181                         assert(changes[i].type < 0); /* other errors */
2182                         r = sd_bus_error_set_errnof(error, changes[i].type, "File %s: %m", changes[i].path);
2183                         goto found;
2184                 }
2185
2186         r = c < 0 ? c : -EINVAL;
2187
2188  found:
2189         install_changes_free(changes, n_changes);
2190         return r;
2191 }
2192
2193 static int reply_install_changes_and_free(
2194                 Manager *m,
2195                 sd_bus_message *message,
2196                 int carries_install_info,
2197                 InstallChange *changes,
2198                 size_t n_changes,
2199                 sd_bus_error *error) {
2200
2201         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2202         bool bad = false, good = false;
2203         int r;
2204
2205         if (install_changes_have_modification(changes, n_changes)) {
2206                 r = bus_foreach_bus(m, NULL, send_unit_files_changed, NULL);
2207                 if (r < 0)
2208                         log_debug_errno(r, "Failed to send UnitFilesChanged signal: %m");
2209         }
2210
2211         r = sd_bus_message_new_method_return(message, &reply);
2212         if (r < 0)
2213                 goto fail;
2214
2215         if (carries_install_info >= 0) {
2216                 r = sd_bus_message_append(reply, "b", carries_install_info);
2217                 if (r < 0)
2218                         goto fail;
2219         }
2220
2221         r = sd_bus_message_open_container(reply, 'a', "(sss)");
2222         if (r < 0)
2223                 goto fail;
2224
2225         for (size_t i = 0; i < n_changes; i++) {
2226
2227                 if (changes[i].type < 0) {
2228                         bad = true;
2229                         continue;
2230                 }
2231
2232                 r = sd_bus_message_append(
2233                                 reply, "(sss)",
2234                                 install_change_type_to_string(changes[i].type),
2235                                 changes[i].path,
2236                                 changes[i].source);
2237                 if (r < 0)
2238                         goto fail;
2239
2240                 good = true;
2241         }
2242
2243         /* If there was a failed change, and no successful change, then return the first failure as proper
2244          * method call error. */
2245         if (bad && !good)
2246                 return install_error(error, 0, changes, n_changes);
2247
2248         r = sd_bus_message_close_container(reply);
2249         if (r < 0)
2250                 goto fail;
2251
2252         install_changes_free(changes, n_changes);
2253         return sd_bus_send(NULL, reply, NULL);
2254
2255 fail:
2256         install_changes_free(changes, n_changes);
2257         return r;
2258 }
2259
2260 static int method_enable_unit_files_generic(
2261                 sd_bus_message *message,
2262                 Manager *m,
2263                 int (*call)(LookupScope scope, UnitFileFlags flags, const char *root_dir, char *files[], InstallChange **changes, size_t *n_changes),
2264                 bool carries_install_info,
2265                 sd_bus_error *error) {
2266
2267         _cleanup_strv_free_ char **l = NULL;
2268         InstallChange *changes = NULL;
2269         size_t n_changes = 0;
2270         UnitFileFlags flags;
2271         int r;
2272
2273         assert(message);
2274         assert(m);
2275
2276         r = sd_bus_message_read_strv(message, &l);
2277         if (r < 0)
2278                 return r;
2279
2280         if (sd_bus_message_is_method_call(message, NULL, "EnableUnitFilesWithFlags")) {
2281                 uint64_t raw_flags;
2282
2283                 r = sd_bus_message_read(message, "t", &raw_flags);
2284                 if (r < 0)
2285                         return r;
2286                 if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0)
2287                         return -EINVAL;
2288                 flags = raw_flags;
2289         } else {
2290                 int runtime, force;
2291
2292                 r = sd_bus_message_read(message, "bb", &runtime, &force);
2293                 if (r < 0)
2294                         return r;
2295                 flags = unit_file_bools_to_flags(runtime, force);
2296         }
2297
2298         r = bus_verify_manage_unit_files_async(m, message, error);
2299         if (r < 0)
2300                 return r;
2301         if (r == 0)
2302                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2303
2304         r = call(m->unit_file_scope, flags, NULL, l, &changes, &n_changes);
2305         if (r < 0)
2306                 return install_error(error, r, changes, n_changes);
2307
2308         return reply_install_changes_and_free(m, message, carries_install_info ? r : -1, changes, n_changes, error);
2309 }
2310
2311 static int method_enable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2312         return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error);
2313 }
2314
2315 static int method_enable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2316         return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error);
2317 }
2318
2319 static int method_reenable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2320         return method_enable_unit_files_generic(message, userdata, unit_file_reenable, true, error);
2321 }
2322
2323 static int method_link_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2324         return method_enable_unit_files_generic(message, userdata, unit_file_link, false, error);
2325 }
2326
2327 static int unit_file_preset_without_mode(LookupScope scope, UnitFileFlags flags, const char *root_dir, char **files, InstallChange **changes, size_t *n_changes) {
2328         return unit_file_preset(scope, flags, root_dir, files, UNIT_FILE_PRESET_FULL, changes, n_changes);
2329 }
2330
2331 static int method_preset_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2332         return method_enable_unit_files_generic(message, userdata, unit_file_preset_without_mode, true, error);
2333 }
2334
2335 static int method_mask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2336         return method_enable_unit_files_generic(message, userdata, unit_file_mask, false, error);
2337 }
2338
2339 static int method_preset_unit_files_with_mode(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2340
2341         _cleanup_strv_free_ char **l = NULL;
2342         InstallChange *changes = NULL;
2343         size_t n_changes = 0;
2344         Manager *m = ASSERT_PTR(userdata);
2345         UnitFilePresetMode preset_mode;
2346         int runtime, force, r;
2347         UnitFileFlags flags;
2348         const char *mode;
2349
2350         assert(message);
2351
2352         r = sd_bus_message_read_strv(message, &l);
2353         if (r < 0)
2354                 return r;
2355
2356         r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
2357         if (r < 0)
2358                 return r;
2359
2360         flags = unit_file_bools_to_flags(runtime, force);
2361
2362         if (isempty(mode))
2363                 preset_mode = UNIT_FILE_PRESET_FULL;
2364         else {
2365                 preset_mode = unit_file_preset_mode_from_string(mode);
2366                 if (preset_mode < 0)
2367                         return -EINVAL;
2368         }
2369
2370         r = bus_verify_manage_unit_files_async(m, message, error);
2371         if (r < 0)
2372                 return r;
2373         if (r == 0)
2374                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2375
2376         r = unit_file_preset(m->unit_file_scope, flags, NULL, l, preset_mode, &changes, &n_changes);
2377         if (r < 0)
2378                 return install_error(error, r, changes, n_changes);
2379
2380         return reply_install_changes_and_free(m, message, r, changes, n_changes, error);
2381 }
2382
2383 static int method_disable_unit_files_generic(
2384                 sd_bus_message *message,
2385                 Manager *m,
2386                 int (*call)(LookupScope scope, UnitFileFlags flags, const char *root_dir, char *files[], InstallChange **changes, size_t *n_changes),
2387                 sd_bus_error *error) {
2388
2389         _cleanup_strv_free_ char **l = NULL;
2390         InstallChange *changes = NULL;
2391         UnitFileFlags flags;
2392         size_t n_changes = 0;
2393         int r;
2394
2395         assert(message);
2396         assert(m);
2397
2398         r = sd_bus_message_read_strv(message, &l);
2399         if (r < 0)
2400                 return r;
2401
2402         if (sd_bus_message_is_method_call(message, NULL, "DisableUnitFilesWithFlags")) {
2403                 uint64_t raw_flags;
2404
2405                 r = sd_bus_message_read(message, "t", &raw_flags);
2406                 if (r < 0)
2407                         return r;
2408                 if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0 ||
2409                                 FLAGS_SET(raw_flags, UNIT_FILE_FORCE))
2410                         return -EINVAL;
2411                 flags = raw_flags;
2412         } else {
2413                 int runtime;
2414
2415                 r = sd_bus_message_read(message, "b", &runtime);
2416                 if (r < 0)
2417                         return r;
2418                 flags = unit_file_bools_to_flags(runtime, false);
2419         }
2420
2421         r = bus_verify_manage_unit_files_async(m, message, error);
2422         if (r < 0)
2423                 return r;
2424         if (r == 0)
2425                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2426
2427         r = call(m->unit_file_scope, flags, NULL, l, &changes, &n_changes);
2428         if (r < 0)
2429                 return install_error(error, r, changes, n_changes);
2430
2431         return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2432 }
2433
2434 static int method_disable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2435         return method_disable_unit_files_generic(message, userdata, unit_file_disable, error);
2436 }
2437
2438 static int method_disable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2439         return method_disable_unit_files_generic(message, userdata, unit_file_disable, error);
2440 }
2441
2442 static int method_unmask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2443         return method_disable_unit_files_generic(message, userdata, unit_file_unmask, error);
2444 }
2445
2446 static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2447         _cleanup_strv_free_ char **l = NULL;
2448         InstallChange *changes = NULL;
2449         size_t n_changes = 0;
2450         Manager *m = ASSERT_PTR(userdata);
2451         int r;
2452
2453         assert(message);
2454
2455         r = sd_bus_message_read_strv(message, &l);
2456         if (r < 0)
2457                 return r;
2458
2459         r = bus_verify_manage_unit_files_async(m, message, error);
2460         if (r < 0)
2461                 return r;
2462         if (r == 0)
2463                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2464
2465         r = unit_file_revert(m->unit_file_scope, NULL, l, &changes, &n_changes);
2466         if (r < 0)
2467                 return install_error(error, r, changes, n_changes);
2468
2469         return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2470 }
2471
2472 static int method_set_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2473         InstallChange *changes = NULL;
2474         size_t n_changes = 0;
2475         Manager *m = ASSERT_PTR(userdata);
2476         const char *name;
2477         int force, r;
2478
2479         assert(message);
2480
2481         r = mac_selinux_access_check(message, "enable", error);
2482         if (r < 0)
2483                 return r;
2484
2485         r = sd_bus_message_read(message, "sb", &name, &force);
2486         if (r < 0)
2487                 return r;
2488
2489         r = bus_verify_manage_unit_files_async(m, message, error);
2490         if (r < 0)
2491                 return r;
2492         if (r == 0)
2493                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2494
2495         r = unit_file_set_default(m->unit_file_scope, force ? UNIT_FILE_FORCE : 0, NULL, name, &changes, &n_changes);
2496         if (r < 0)
2497                 return install_error(error, r, changes, n_changes);
2498
2499         return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2500 }
2501
2502 static int method_preset_all_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2503         InstallChange *changes = NULL;
2504         size_t n_changes = 0;
2505         Manager *m = ASSERT_PTR(userdata);
2506         UnitFilePresetMode preset_mode;
2507         const char *mode;
2508         UnitFileFlags flags;
2509         int force, runtime, r;
2510
2511         assert(message);
2512
2513         r = mac_selinux_access_check(message, "enable", error);
2514         if (r < 0)
2515                 return r;
2516
2517         r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
2518         if (r < 0)
2519                 return r;
2520
2521         flags = unit_file_bools_to_flags(runtime, force);
2522
2523         if (isempty(mode))
2524                 preset_mode = UNIT_FILE_PRESET_FULL;
2525         else {
2526                 preset_mode = unit_file_preset_mode_from_string(mode);
2527                 if (preset_mode < 0)
2528                         return -EINVAL;
2529         }
2530
2531         r = bus_verify_manage_unit_files_async(m, message, error);
2532         if (r < 0)
2533                 return r;
2534         if (r == 0)
2535                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2536
2537         r = unit_file_preset_all(m->unit_file_scope, flags, NULL, preset_mode, &changes, &n_changes);
2538         if (r < 0)
2539                 return install_error(error, r, changes, n_changes);
2540
2541         return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2542 }
2543
2544 static int method_add_dependency_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2545         _cleanup_strv_free_ char **l = NULL;
2546         Manager *m = ASSERT_PTR(userdata);
2547         InstallChange *changes = NULL;
2548         size_t n_changes = 0;
2549         int runtime, force, r;
2550         char *target, *type;
2551         UnitDependency dep;
2552         UnitFileFlags flags;
2553
2554         assert(message);
2555
2556         r = bus_verify_manage_unit_files_async(m, message, error);
2557         if (r < 0)
2558                 return r;
2559         if (r == 0)
2560                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2561
2562         r = sd_bus_message_read_strv(message, &l);
2563         if (r < 0)
2564                 return r;
2565
2566         r = sd_bus_message_read(message, "ssbb", &target, &type, &runtime, &force);
2567         if (r < 0)
2568                 return r;
2569
2570         flags = unit_file_bools_to_flags(runtime, force);
2571
2572         dep = unit_dependency_from_string(type);
2573         if (dep < 0)
2574                 return -EINVAL;
2575
2576         r = unit_file_add_dependency(m->unit_file_scope, flags, NULL, l, target, dep, &changes, &n_changes);
2577         if (r < 0)
2578                 return install_error(error, r, changes, n_changes);
2579
2580         return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2581 }
2582
2583 static int method_get_unit_file_links(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2584         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2585         InstallChange *changes = NULL;
2586         size_t n_changes = 0, i;
2587         UnitFileFlags flags;
2588         const char *name;
2589         char **p;
2590         int runtime, r;
2591
2592         r = sd_bus_message_read(message, "sb", &name, &runtime);
2593         if (r < 0)
2594                 return r;
2595
2596         r = sd_bus_message_new_method_return(message, &reply);
2597         if (r < 0)
2598                 return r;
2599
2600         r = sd_bus_message_open_container(reply, SD_BUS_TYPE_ARRAY, "s");
2601         if (r < 0)
2602                 return r;
2603
2604         p = STRV_MAKE(name);
2605         flags = UNIT_FILE_DRY_RUN |
2606                 (runtime ? UNIT_FILE_RUNTIME : 0);
2607
2608         r = unit_file_disable(LOOKUP_SCOPE_SYSTEM, flags, NULL, p, &changes, &n_changes);
2609         if (r < 0)
2610                 return log_error_errno(r, "Failed to get file links for %s: %m", name);
2611
2612         for (i = 0; i < n_changes; i++)
2613                 if (changes[i].type == INSTALL_CHANGE_UNLINK) {
2614                         r = sd_bus_message_append(reply, "s", changes[i].path);
2615                         if (r < 0)
2616                                 return r;
2617                 }
2618
2619         r = sd_bus_message_close_container(reply);
2620         if (r < 0)
2621                 return r;
2622
2623         return sd_bus_send(NULL, reply, NULL);
2624 }
2625
2626 static int method_get_job_waiting(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2627         Manager *m = ASSERT_PTR(userdata);
2628         uint32_t id;
2629         Job *j;
2630         int r;
2631
2632         assert(message);
2633
2634         r = sd_bus_message_read(message, "u", &id);
2635         if (r < 0)
2636                 return r;
2637
2638         j = manager_get_job(m, id);
2639         if (!j)
2640                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
2641
2642         return bus_job_method_get_waiting_jobs(message, j, error);
2643 }
2644
2645 static int method_abandon_scope(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2646         Manager *m = ASSERT_PTR(userdata);
2647         const char *name;
2648         Unit *u;
2649         int r;
2650
2651         assert(message);
2652
2653         r = sd_bus_message_read(message, "s", &name);
2654         if (r < 0)
2655                 return r;
2656
2657         r = bus_get_unit_by_name(m, message, name, &u, error);
2658         if (r < 0)
2659                 return r;
2660
2661         if (u->type != UNIT_SCOPE)
2662                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
2663                                          "Unit '%s' is not a scope unit, refusing.", name);
2664
2665         return bus_scope_method_abandon(message, u, error);
2666 }
2667
2668 static int method_set_show_status(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2669         Manager *m = ASSERT_PTR(userdata);
2670         ShowStatus mode = _SHOW_STATUS_INVALID;
2671         const char *t;
2672         int r;
2673
2674         assert(message);
2675
2676         r = mac_selinux_access_check(message, "reload", error);
2677         if (r < 0)
2678                 return r;
2679
2680         r = bus_verify_set_environment_async(m, message, error);
2681         if (r < 0)
2682                 return r;
2683         if (r == 0)
2684                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2685
2686         r = sd_bus_message_read(message, "s", &t);
2687         if (r < 0)
2688                 return r;
2689
2690         if (!isempty(t)) {
2691                 mode = show_status_from_string(t);
2692                 if (mode < 0)
2693                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
2694                                                  "Invalid show status '%s'", t);
2695         }
2696
2697         manager_override_show_status(m, mode, "bus");
2698
2699         return sd_bus_reply_method_return(message, NULL);
2700 }
2701
2702 const sd_bus_vtable bus_manager_vtable[] = {
2703         SD_BUS_VTABLE_START(0),
2704
2705         SD_BUS_PROPERTY("Version", "s", property_get_version, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2706         SD_BUS_PROPERTY("Features", "s", property_get_features, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2707         SD_BUS_PROPERTY("Virtualization", "s", property_get_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2708         SD_BUS_PROPERTY("Architecture", "s", property_get_architecture, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2709         SD_BUS_PROPERTY("Tainted", "s", property_get_tainted, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2710         BUS_PROPERTY_DUAL_TIMESTAMP("FirmwareTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FIRMWARE]), SD_BUS_VTABLE_PROPERTY_CONST),
2711         BUS_PROPERTY_DUAL_TIMESTAMP("LoaderTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_LOADER]), SD_BUS_VTABLE_PROPERTY_CONST),
2712         BUS_PROPERTY_DUAL_TIMESTAMP("KernelTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_KERNEL]), SD_BUS_VTABLE_PROPERTY_CONST),
2713         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD]), SD_BUS_VTABLE_PROPERTY_CONST),
2714         BUS_PROPERTY_DUAL_TIMESTAMP("UserspaceTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_USERSPACE]), SD_BUS_VTABLE_PROPERTY_CONST),
2715         BUS_PROPERTY_DUAL_TIMESTAMP("FinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2716         BUS_PROPERTY_DUAL_TIMESTAMP("SecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2717         BUS_PROPERTY_DUAL_TIMESTAMP("SecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2718         BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2719         BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2720         BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2721         BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2722         BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD]), SD_BUS_VTABLE_PROPERTY_CONST),
2723         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2724         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2725         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2726         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2727         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2728         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2729         SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0),
2730         SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0),
2731         SD_BUS_PROPERTY("NNames", "u", property_get_hashmap_size, offsetof(Manager, units), 0),
2732         SD_BUS_PROPERTY("NFailedUnits", "u", property_get_set_size, offsetof(Manager, failed_units), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2733         SD_BUS_PROPERTY("NJobs", "u", property_get_hashmap_size, offsetof(Manager, jobs), 0),
2734         SD_BUS_PROPERTY("NInstalledJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_installed_jobs), 0),
2735         SD_BUS_PROPERTY("NFailedJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_failed_jobs), 0),
2736         SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0),
2737         SD_BUS_PROPERTY("Environment", "as", property_get_environment, 0, 0),
2738         SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST),
2739         SD_BUS_PROPERTY("ShowStatus", "b", property_get_show_status, 0, 0),
2740         SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.search_path), SD_BUS_VTABLE_PROPERTY_CONST),
2741         SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST),
2742         SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, default_std_error), SD_BUS_VTABLE_PROPERTY_CONST),
2743         SD_BUS_PROPERTY("WatchdogDevice", "s", property_get_watchdog_device, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2744         SD_BUS_PROPERTY("WatchdogLastPingTimestamp", "t", property_get_watchdog_last_ping_realtime, 0, 0),
2745         SD_BUS_PROPERTY("WatchdogLastPingTimestampMonotonic", "t", property_get_watchdog_last_ping_monotonic, 0, 0),
2746         SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", property_get_runtime_watchdog, property_set_runtime_watchdog, 0, 0),
2747         SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreUSec", "t", property_get_pretimeout_watchdog, property_set_pretimeout_watchdog, 0, 0),
2748         SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreGovernor", "s", property_get_pretimeout_watchdog_governor, property_set_pretimeout_watchdog_governor, 0, 0),
2749         SD_BUS_WRITABLE_PROPERTY("RebootWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, 0),
2750         /* The following item is an obsolete alias */
2751         SD_BUS_WRITABLE_PROPERTY("ShutdownWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, SD_BUS_VTABLE_HIDDEN),
2752         SD_BUS_WRITABLE_PROPERTY("KExecWatchdogUSec", "t", property_get_kexec_watchdog, property_set_kexec_watchdog, 0, 0),
2753         SD_BUS_WRITABLE_PROPERTY("ServiceWatchdogs", "b", bus_property_get_bool, bus_property_set_bool, offsetof(Manager, service_watchdogs), 0),
2754         SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Manager, cgroup_root), 0),
2755         SD_BUS_PROPERTY("SystemState", "s", property_get_system_state, 0, 0),
2756         SD_BUS_PROPERTY("ExitCode", "y", bus_property_get_unsigned, offsetof(Manager, return_value), 0),
2757         SD_BUS_PROPERTY("DefaultTimerAccuracyUSec", "t", bus_property_get_usec, offsetof(Manager, default_timer_accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2758         SD_BUS_PROPERTY("DefaultTimeoutStartUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2759         SD_BUS_PROPERTY("DefaultTimeoutStopUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2760         SD_BUS_PROPERTY("DefaultTimeoutAbortUSec", "t", property_get_default_timeout_abort_usec, 0, 0),
2761         SD_BUS_PROPERTY("DefaultDeviceTimeoutUSec", "t", bus_property_get_usec, offsetof(Manager, default_device_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2762         SD_BUS_PROPERTY("DefaultRestartUSec", "t", bus_property_get_usec, offsetof(Manager, default_restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2763         SD_BUS_PROPERTY("DefaultStartLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST),
2764         /* The following two items are obsolete alias */
2765         SD_BUS_PROPERTY("DefaultStartLimitIntervalSec", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
2766         SD_BUS_PROPERTY("DefaultStartLimitInterval", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
2767         SD_BUS_PROPERTY("DefaultStartLimitBurst", "u", bus_property_get_unsigned, offsetof(Manager, default_start_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST),
2768         SD_BUS_PROPERTY("DefaultCPUAccounting", "b", bus_property_get_bool, offsetof(Manager, default_cpu_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2769         SD_BUS_PROPERTY("DefaultBlockIOAccounting", "b", bus_property_get_bool, offsetof(Manager, default_blockio_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2770         SD_BUS_PROPERTY("DefaultMemoryAccounting", "b", bus_property_get_bool, offsetof(Manager, default_memory_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2771         SD_BUS_PROPERTY("DefaultTasksAccounting", "b", bus_property_get_bool, offsetof(Manager, default_tasks_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2772         SD_BUS_PROPERTY("DefaultLimitCPU", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
2773         SD_BUS_PROPERTY("DefaultLimitCPUSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
2774         SD_BUS_PROPERTY("DefaultLimitFSIZE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
2775         SD_BUS_PROPERTY("DefaultLimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
2776         SD_BUS_PROPERTY("DefaultLimitDATA", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
2777         SD_BUS_PROPERTY("DefaultLimitDATASoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
2778         SD_BUS_PROPERTY("DefaultLimitSTACK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
2779         SD_BUS_PROPERTY("DefaultLimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
2780         SD_BUS_PROPERTY("DefaultLimitCORE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
2781         SD_BUS_PROPERTY("DefaultLimitCORESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
2782         SD_BUS_PROPERTY("DefaultLimitRSS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
2783         SD_BUS_PROPERTY("DefaultLimitRSSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
2784         SD_BUS_PROPERTY("DefaultLimitNOFILE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
2785         SD_BUS_PROPERTY("DefaultLimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
2786         SD_BUS_PROPERTY("DefaultLimitAS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
2787         SD_BUS_PROPERTY("DefaultLimitASSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
2788         SD_BUS_PROPERTY("DefaultLimitNPROC", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
2789         SD_BUS_PROPERTY("DefaultLimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
2790         SD_BUS_PROPERTY("DefaultLimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
2791         SD_BUS_PROPERTY("DefaultLimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
2792         SD_BUS_PROPERTY("DefaultLimitLOCKS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
2793         SD_BUS_PROPERTY("DefaultLimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
2794         SD_BUS_PROPERTY("DefaultLimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
2795         SD_BUS_PROPERTY("DefaultLimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
2796         SD_BUS_PROPERTY("DefaultLimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
2797         SD_BUS_PROPERTY("DefaultLimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
2798         SD_BUS_PROPERTY("DefaultLimitNICE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
2799         SD_BUS_PROPERTY("DefaultLimitNICESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
2800         SD_BUS_PROPERTY("DefaultLimitRTPRIO", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
2801         SD_BUS_PROPERTY("DefaultLimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
2802         SD_BUS_PROPERTY("DefaultLimitRTTIME", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
2803         SD_BUS_PROPERTY("DefaultLimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
2804         SD_BUS_PROPERTY("DefaultTasksMax", "t", bus_property_get_tasks_max, offsetof(Manager, default_tasks_max), 0),
2805         SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2806         SD_BUS_PROPERTY("DefaultOOMPolicy", "s", bus_property_get_oom_policy, offsetof(Manager, default_oom_policy), SD_BUS_VTABLE_PROPERTY_CONST),
2807         SD_BUS_PROPERTY("DefaultOOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2808         SD_BUS_PROPERTY("CtrlAltDelBurstAction", "s", bus_property_get_emergency_action, offsetof(Manager, cad_burst_action), SD_BUS_VTABLE_PROPERTY_CONST),
2809
2810         SD_BUS_METHOD_WITH_ARGS("GetUnit",
2811                                 SD_BUS_ARGS("s", name),
2812                                 SD_BUS_RESULT("o", unit),
2813                                 method_get_unit,
2814                                 SD_BUS_VTABLE_UNPRIVILEGED),
2815         SD_BUS_METHOD_WITH_ARGS("GetUnitByPID",
2816                                 SD_BUS_ARGS("u", pid),
2817                                 SD_BUS_RESULT("o", unit),
2818                                 method_get_unit_by_pid,
2819                                 SD_BUS_VTABLE_UNPRIVILEGED),
2820         SD_BUS_METHOD_WITH_ARGS("GetUnitByInvocationID",
2821                                 SD_BUS_ARGS("ay", invocation_id),
2822                                 SD_BUS_RESULT("o", unit),
2823                                 method_get_unit_by_invocation_id,
2824                                 SD_BUS_VTABLE_UNPRIVILEGED),
2825         SD_BUS_METHOD_WITH_ARGS("GetUnitByControlGroup",
2826                                 SD_BUS_ARGS("s", cgroup),
2827                                 SD_BUS_RESULT("o", unit),
2828                                 method_get_unit_by_control_group,
2829                                 SD_BUS_VTABLE_UNPRIVILEGED),
2830         SD_BUS_METHOD_WITH_ARGS("LoadUnit",
2831                                 SD_BUS_ARGS("s", name),
2832                                 SD_BUS_RESULT("o", unit),
2833                                 method_load_unit,
2834                                 SD_BUS_VTABLE_UNPRIVILEGED),
2835         SD_BUS_METHOD_WITH_ARGS("StartUnit",
2836                                 SD_BUS_ARGS("s", name, "s", mode),
2837                                 SD_BUS_RESULT("o", job),
2838                                 method_start_unit,
2839                                 SD_BUS_VTABLE_UNPRIVILEGED),
2840         SD_BUS_METHOD_WITH_ARGS("StartUnitWithFlags",
2841                                 SD_BUS_ARGS("s", name, "s", mode, "t", flags),
2842                                 SD_BUS_RESULT("o", job),
2843                                 method_start_unit,
2844                                 SD_BUS_VTABLE_UNPRIVILEGED),
2845         SD_BUS_METHOD_WITH_ARGS("StartUnitReplace",
2846                                 SD_BUS_ARGS("s", old_unit, "s", new_unit, "s", mode),
2847                                 SD_BUS_RESULT("o", job),
2848                                 method_start_unit_replace,
2849                                 SD_BUS_VTABLE_UNPRIVILEGED),
2850         SD_BUS_METHOD_WITH_ARGS("StopUnit",
2851                                 SD_BUS_ARGS("s", name, "s", mode),
2852                                 SD_BUS_RESULT("o", job),
2853                                 method_stop_unit,
2854                                 SD_BUS_VTABLE_UNPRIVILEGED),
2855         SD_BUS_METHOD_WITH_ARGS("ReloadUnit",
2856                                 SD_BUS_ARGS("s", name, "s", mode),
2857                                 SD_BUS_RESULT("o", job),
2858                                 method_reload_unit,
2859                                 SD_BUS_VTABLE_UNPRIVILEGED),
2860         SD_BUS_METHOD_WITH_ARGS("RestartUnit",
2861                                 SD_BUS_ARGS("s", name, "s", mode),
2862                                 SD_BUS_RESULT("o", job),
2863                                 method_restart_unit,
2864                                 SD_BUS_VTABLE_UNPRIVILEGED),
2865         SD_BUS_METHOD_WITH_ARGS("TryRestartUnit",
2866                                 SD_BUS_ARGS("s", name, "s", mode),
2867                                 SD_BUS_RESULT("o", job),
2868                                 method_try_restart_unit,
2869                                 SD_BUS_VTABLE_UNPRIVILEGED),
2870         SD_BUS_METHOD_WITH_ARGS("ReloadOrRestartUnit",
2871                                 SD_BUS_ARGS("s", name, "s", mode),
2872                                 SD_BUS_RESULT("o", job),
2873                                 method_reload_or_restart_unit,
2874                                 SD_BUS_VTABLE_UNPRIVILEGED),
2875         SD_BUS_METHOD_WITH_ARGS("ReloadOrTryRestartUnit",
2876                                 SD_BUS_ARGS("s", name, "s", mode),
2877                                 SD_BUS_RESULT("o", job),
2878                                 method_reload_or_try_restart_unit,
2879                                 SD_BUS_VTABLE_UNPRIVILEGED),
2880         SD_BUS_METHOD_WITH_ARGS("EnqueueUnitJob",
2881                                 SD_BUS_ARGS("s", name, "s", job_type, "s", job_mode),
2882                                 SD_BUS_RESULT("u", job_id, "o", job_path, "s", unit_id, "o", unit_path, "s", job_type, "a(uosos)", affected_jobs),
2883                                 method_enqueue_unit_job,
2884                                 SD_BUS_VTABLE_UNPRIVILEGED),
2885         SD_BUS_METHOD_WITH_ARGS("KillUnit",
2886                                 SD_BUS_ARGS("s", name, "s", whom, "i", signal),
2887                                 SD_BUS_NO_RESULT,
2888                                 method_kill_unit,
2889                                 SD_BUS_VTABLE_UNPRIVILEGED),
2890         SD_BUS_METHOD_WITH_ARGS("CleanUnit",
2891                                 SD_BUS_ARGS("s", name, "as", mask),
2892                                 SD_BUS_NO_RESULT,
2893                                 method_clean_unit,
2894                                 SD_BUS_VTABLE_UNPRIVILEGED),
2895         SD_BUS_METHOD_WITH_ARGS("FreezeUnit",
2896                                 SD_BUS_ARGS("s", name),
2897                                 SD_BUS_NO_RESULT,
2898                                 method_freeze_unit,
2899                                 SD_BUS_VTABLE_UNPRIVILEGED),
2900         SD_BUS_METHOD_WITH_ARGS("ThawUnit",
2901                                 SD_BUS_ARGS("s", name),
2902                                 SD_BUS_NO_RESULT,
2903                                 method_thaw_unit,
2904                                 SD_BUS_VTABLE_UNPRIVILEGED),
2905         SD_BUS_METHOD_WITH_ARGS("ResetFailedUnit",
2906                                 SD_BUS_ARGS("s", name),
2907                                 SD_BUS_NO_RESULT,
2908                                 method_reset_failed_unit,
2909                                 SD_BUS_VTABLE_UNPRIVILEGED),
2910         SD_BUS_METHOD_WITH_ARGS("SetUnitProperties",
2911                                 SD_BUS_ARGS("s", name, "b", runtime, "a(sv)", properties),
2912                                 SD_BUS_NO_RESULT,
2913                                 method_set_unit_properties,
2914                                 SD_BUS_VTABLE_UNPRIVILEGED),
2915         SD_BUS_METHOD_WITH_ARGS("BindMountUnit",
2916                                 SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir),
2917                                 SD_BUS_NO_RESULT,
2918                                 method_bind_mount_unit,
2919                                 SD_BUS_VTABLE_UNPRIVILEGED),
2920         SD_BUS_METHOD_WITH_ARGS("MountImageUnit",
2921                                 SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir, "a(ss)", options),
2922                                 SD_BUS_NO_RESULT,
2923                                 method_mount_image_unit,
2924                                 SD_BUS_VTABLE_UNPRIVILEGED),
2925         SD_BUS_METHOD_WITH_ARGS("RefUnit",
2926                                 SD_BUS_ARGS("s", name),
2927                                 SD_BUS_NO_RESULT,
2928                                 method_ref_unit,
2929                                 SD_BUS_VTABLE_UNPRIVILEGED),
2930         SD_BUS_METHOD_WITH_ARGS("UnrefUnit",
2931                                 SD_BUS_ARGS("s", name),
2932                                 SD_BUS_NO_RESULT,
2933                                 method_unref_unit,
2934                                 SD_BUS_VTABLE_UNPRIVILEGED),
2935         SD_BUS_METHOD_WITH_ARGS("StartTransientUnit",
2936                                 SD_BUS_ARGS("s", name, "s", mode, "a(sv)", properties, "a(sa(sv))", aux),
2937                                 SD_BUS_RESULT("o", job),
2938                                 method_start_transient_unit,
2939                                 SD_BUS_VTABLE_UNPRIVILEGED),
2940         SD_BUS_METHOD_WITH_ARGS("GetUnitProcesses",
2941                                 SD_BUS_ARGS("s", name),
2942                                 SD_BUS_RESULT("a(sus)", processes),
2943                                 method_get_unit_processes,
2944                                 SD_BUS_VTABLE_UNPRIVILEGED),
2945         SD_BUS_METHOD_WITH_ARGS("AttachProcessesToUnit",
2946                                 SD_BUS_ARGS("s", unit_name, "s", subcgroup, "au", pids),
2947                                 SD_BUS_NO_RESULT,
2948                                 method_attach_processes_to_unit,
2949                                 SD_BUS_VTABLE_UNPRIVILEGED),
2950         SD_BUS_METHOD_WITH_ARGS("AbandonScope",
2951                                 SD_BUS_ARGS("s", name),
2952                                 SD_BUS_NO_RESULT,
2953                                 method_abandon_scope,
2954                                 SD_BUS_VTABLE_UNPRIVILEGED),
2955         SD_BUS_METHOD_WITH_ARGS("GetJob",
2956                                 SD_BUS_ARGS("u", id),
2957                                 SD_BUS_RESULT("o", job),
2958                                 method_get_job,
2959                                 SD_BUS_VTABLE_UNPRIVILEGED),
2960         SD_BUS_METHOD_WITH_ARGS("GetJobAfter",
2961                                 SD_BUS_ARGS("u", id),
2962                                 SD_BUS_RESULT("a(usssoo)", jobs),
2963                                 method_get_job_waiting,
2964                                 SD_BUS_VTABLE_UNPRIVILEGED),
2965         SD_BUS_METHOD_WITH_ARGS("GetJobBefore",
2966                                 SD_BUS_ARGS("u", id),
2967                                 SD_BUS_RESULT("a(usssoo)", jobs),
2968                                 method_get_job_waiting,
2969                                 SD_BUS_VTABLE_UNPRIVILEGED),
2970         SD_BUS_METHOD_WITH_ARGS("CancelJob",
2971                                 SD_BUS_ARGS("u", id),
2972                                 SD_BUS_NO_RESULT,
2973                                 method_cancel_job,
2974                                 SD_BUS_VTABLE_UNPRIVILEGED),
2975         SD_BUS_METHOD("ClearJobs",
2976                       NULL,
2977                       NULL,
2978                       method_clear_jobs,
2979                       SD_BUS_VTABLE_UNPRIVILEGED),
2980         SD_BUS_METHOD("ResetFailed",
2981                       NULL,
2982                       NULL,
2983                       method_reset_failed,
2984                       SD_BUS_VTABLE_UNPRIVILEGED),
2985         SD_BUS_METHOD_WITH_ARGS("SetShowStatus",
2986                                 SD_BUS_ARGS("s", mode),
2987                                 SD_BUS_NO_RESULT,
2988                                 method_set_show_status,
2989                                 SD_BUS_VTABLE_UNPRIVILEGED),
2990         SD_BUS_METHOD_WITH_ARGS("ListUnits",
2991                                 SD_BUS_NO_ARGS,
2992                                 SD_BUS_RESULT("a(ssssssouso)", units),
2993                                 method_list_units,
2994                                 SD_BUS_VTABLE_UNPRIVILEGED),
2995         SD_BUS_METHOD_WITH_ARGS("ListUnitsFiltered",
2996                                 SD_BUS_ARGS("as", states),
2997                                 SD_BUS_RESULT("a(ssssssouso)", units),
2998                                 method_list_units_filtered,
2999                                 SD_BUS_VTABLE_UNPRIVILEGED),
3000         SD_BUS_METHOD_WITH_ARGS("ListUnitsByPatterns",
3001                                 SD_BUS_ARGS("as", states, "as", patterns),
3002                                 SD_BUS_RESULT("a(ssssssouso)", units),
3003                                 method_list_units_by_patterns,
3004                                 SD_BUS_VTABLE_UNPRIVILEGED),
3005         SD_BUS_METHOD_WITH_ARGS("ListUnitsByNames",
3006                                 SD_BUS_ARGS("as", names),
3007                                 SD_BUS_RESULT("a(ssssssouso)", units),
3008                                 method_list_units_by_names,
3009                                 SD_BUS_VTABLE_UNPRIVILEGED),
3010         SD_BUS_METHOD_WITH_ARGS("ListJobs",
3011                                 SD_BUS_NO_ARGS,
3012                                 SD_BUS_RESULT("a(usssoo)", jobs),
3013                                 method_list_jobs,
3014                                 SD_BUS_VTABLE_UNPRIVILEGED),
3015         SD_BUS_METHOD("Subscribe",
3016                       NULL,
3017                       NULL,
3018                       method_subscribe,
3019                       SD_BUS_VTABLE_UNPRIVILEGED),
3020         SD_BUS_METHOD("Unsubscribe",
3021                       NULL,
3022                       NULL,
3023                       method_unsubscribe,
3024                       SD_BUS_VTABLE_UNPRIVILEGED),
3025         SD_BUS_METHOD_WITH_ARGS("Dump",
3026                                 SD_BUS_NO_ARGS,
3027                                 SD_BUS_RESULT("s", output),
3028                                 method_dump,
3029                                 SD_BUS_VTABLE_UNPRIVILEGED),
3030         SD_BUS_METHOD_WITH_ARGS("DumpPatterns",
3031                                 SD_BUS_ARGS("as", patterns),
3032                                 SD_BUS_RESULT("s", output),
3033                                 method_dump_patterns,
3034                                 SD_BUS_VTABLE_UNPRIVILEGED),
3035         SD_BUS_METHOD_WITH_ARGS("DumpByFileDescriptor",
3036                                 SD_BUS_NO_ARGS,
3037                                 SD_BUS_RESULT("h", fd),
3038                                 method_dump_by_fd,
3039                                 SD_BUS_VTABLE_UNPRIVILEGED),
3040         SD_BUS_METHOD_WITH_ARGS("CreateSnapshot",
3041                                 SD_BUS_ARGS("s", name, "b", cleanup),
3042                                 SD_BUS_RESULT("o", unit),
3043                                 method_refuse_snapshot,
3044                                 SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
3045         SD_BUS_METHOD_WITH_ARGS("RemoveSnapshot",
3046                                 SD_BUS_ARGS("s", name),
3047                                 SD_BUS_NO_RESULT,
3048                                 method_refuse_snapshot,
3049                                 SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
3050         SD_BUS_METHOD("Reload",
3051                       NULL,
3052                       NULL,
3053                       method_reload,
3054                       SD_BUS_VTABLE_UNPRIVILEGED),
3055         SD_BUS_METHOD("Reexecute",
3056                       NULL,
3057                       NULL,
3058                       method_reexecute,
3059                       SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_METHOD_NO_REPLY),
3060         SD_BUS_METHOD("Exit",
3061                       NULL,
3062                       NULL,
3063                       method_exit,
3064                       0),
3065         SD_BUS_METHOD("Reboot",
3066                       NULL,
3067                       NULL,
3068                       method_reboot,
3069                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3070         SD_BUS_METHOD("PowerOff",
3071                       NULL,
3072                       NULL,
3073                       method_poweroff,
3074                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3075         SD_BUS_METHOD("Halt",
3076                       NULL,
3077                       NULL,
3078                       method_halt,
3079                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3080         SD_BUS_METHOD("KExec",
3081                       NULL,
3082                       NULL,
3083                       method_kexec,
3084                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3085         SD_BUS_METHOD_WITH_ARGS("SwitchRoot",
3086                                 SD_BUS_ARGS("s", new_root, "s", init),
3087                                 SD_BUS_NO_RESULT,
3088                                 method_switch_root,
3089                                 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3090         SD_BUS_METHOD_WITH_ARGS("SetEnvironment",
3091                                 SD_BUS_ARGS("as", assignments),
3092                                 SD_BUS_NO_RESULT,
3093                                 method_set_environment,
3094                                 SD_BUS_VTABLE_UNPRIVILEGED),
3095         SD_BUS_METHOD_WITH_ARGS("UnsetEnvironment",
3096                                 SD_BUS_ARGS("as", names),
3097                                 SD_BUS_NO_RESULT,
3098                                 method_unset_environment,
3099                                 SD_BUS_VTABLE_UNPRIVILEGED),
3100         SD_BUS_METHOD_WITH_ARGS("UnsetAndSetEnvironment",
3101                                 SD_BUS_ARGS("as", names, "as", assignments),
3102                                 SD_BUS_NO_RESULT,
3103                                 method_unset_and_set_environment,
3104                                 SD_BUS_VTABLE_UNPRIVILEGED),
3105         SD_BUS_METHOD_WITH_ARGS("EnqueueMarkedJobs",
3106                                 SD_BUS_NO_ARGS,
3107                                 SD_BUS_RESULT("ao", jobs),
3108                                 method_enqueue_marked_jobs,
3109                                 SD_BUS_VTABLE_UNPRIVILEGED),
3110         SD_BUS_METHOD_WITH_ARGS("ListUnitFiles",
3111                                 SD_BUS_NO_ARGS,
3112                                 SD_BUS_RESULT("a(ss)", unit_files),
3113                                 method_list_unit_files,
3114                                 SD_BUS_VTABLE_UNPRIVILEGED),
3115         SD_BUS_METHOD_WITH_ARGS("ListUnitFilesByPatterns",
3116                                 SD_BUS_ARGS("as", states, "as", patterns),
3117                                 SD_BUS_RESULT("a(ss)", unit_files),
3118                                 method_list_unit_files_by_patterns,
3119                                 SD_BUS_VTABLE_UNPRIVILEGED),
3120         SD_BUS_METHOD_WITH_ARGS("GetUnitFileState",
3121                                 SD_BUS_ARGS("s", file),
3122                                 SD_BUS_RESULT("s", state),
3123                                 method_get_unit_file_state,
3124                                 SD_BUS_VTABLE_UNPRIVILEGED),
3125         SD_BUS_METHOD_WITH_ARGS("EnableUnitFiles",
3126                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3127                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3128                                 method_enable_unit_files,
3129                                 SD_BUS_VTABLE_UNPRIVILEGED),
3130         SD_BUS_METHOD_WITH_ARGS("DisableUnitFiles",
3131                                 SD_BUS_ARGS("as", files, "b", runtime),
3132                                 SD_BUS_RESULT("a(sss)", changes),
3133                                 method_disable_unit_files,
3134                                 SD_BUS_VTABLE_UNPRIVILEGED),
3135         SD_BUS_METHOD_WITH_ARGS("EnableUnitFilesWithFlags",
3136                                 SD_BUS_ARGS("as", files, "t", flags),
3137                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3138                                 method_enable_unit_files_with_flags,
3139                                 SD_BUS_VTABLE_UNPRIVILEGED),
3140         SD_BUS_METHOD_WITH_ARGS("DisableUnitFilesWithFlags",
3141                                 SD_BUS_ARGS("as", files, "t", flags),
3142                                 SD_BUS_RESULT("a(sss)", changes),
3143                                 method_disable_unit_files_with_flags,
3144                                 SD_BUS_VTABLE_UNPRIVILEGED),
3145         SD_BUS_METHOD_WITH_ARGS("ReenableUnitFiles",
3146                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3147                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3148                                 method_reenable_unit_files,
3149                                 SD_BUS_VTABLE_UNPRIVILEGED),
3150         SD_BUS_METHOD_WITH_ARGS("LinkUnitFiles",
3151                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3152                                 SD_BUS_RESULT("a(sss)", changes),
3153                                 method_link_unit_files,
3154                                 SD_BUS_VTABLE_UNPRIVILEGED),
3155         SD_BUS_METHOD_WITH_ARGS("PresetUnitFiles",
3156                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3157                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3158                                 method_preset_unit_files,
3159                                 SD_BUS_VTABLE_UNPRIVILEGED),
3160         SD_BUS_METHOD_WITH_ARGS("PresetUnitFilesWithMode",
3161                                 SD_BUS_ARGS("as", files, "s", mode, "b", runtime, "b", force),
3162                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3163                                 method_preset_unit_files_with_mode,
3164                                 SD_BUS_VTABLE_UNPRIVILEGED),
3165         SD_BUS_METHOD_WITH_ARGS("MaskUnitFiles",
3166                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3167                                 SD_BUS_RESULT("a(sss)", changes),
3168                                 method_mask_unit_files,
3169                                 SD_BUS_VTABLE_UNPRIVILEGED),
3170         SD_BUS_METHOD_WITH_ARGS("UnmaskUnitFiles",
3171                                 SD_BUS_ARGS("as", files, "b", runtime),
3172                                 SD_BUS_RESULT("a(sss)", changes),
3173                                 method_unmask_unit_files,
3174                                 SD_BUS_VTABLE_UNPRIVILEGED),
3175         SD_BUS_METHOD_WITH_ARGS("RevertUnitFiles",
3176                                 SD_BUS_ARGS("as", files),
3177                                 SD_BUS_RESULT("a(sss)", changes),
3178                                 method_revert_unit_files,
3179                                 SD_BUS_VTABLE_UNPRIVILEGED),
3180         SD_BUS_METHOD_WITH_ARGS("SetDefaultTarget",
3181                                 SD_BUS_ARGS("s", name, "b", force),
3182                                 SD_BUS_RESULT("a(sss)", changes),
3183                                 method_set_default_target,
3184                                 SD_BUS_VTABLE_UNPRIVILEGED),
3185         SD_BUS_METHOD_WITH_ARGS("GetDefaultTarget",
3186                                 SD_BUS_NO_ARGS,
3187                                 SD_BUS_RESULT("s", name),
3188                                 method_get_default_target,
3189                                 SD_BUS_VTABLE_UNPRIVILEGED),
3190         SD_BUS_METHOD_WITH_ARGS("PresetAllUnitFiles",
3191                                 SD_BUS_ARGS("s", mode, "b", runtime, "b", force),
3192                                 SD_BUS_RESULT("a(sss)", changes),
3193                                 method_preset_all_unit_files,
3194                                 SD_BUS_VTABLE_UNPRIVILEGED),
3195         SD_BUS_METHOD_WITH_ARGS("AddDependencyUnitFiles",
3196                                 SD_BUS_ARGS("as", files, "s", target, "s", type, "b", runtime, "b", force),
3197                                 SD_BUS_RESULT("a(sss)", changes),
3198                                 method_add_dependency_unit_files,
3199                                 SD_BUS_VTABLE_UNPRIVILEGED),
3200         SD_BUS_METHOD_WITH_ARGS("GetUnitFileLinks",
3201                                 SD_BUS_ARGS("s", name, "b", runtime),
3202                                 SD_BUS_RESULT("as", links),
3203                                 method_get_unit_file_links,
3204                                 SD_BUS_VTABLE_UNPRIVILEGED),
3205         SD_BUS_METHOD_WITH_ARGS("SetExitCode",
3206                                 SD_BUS_ARGS("y", number),
3207                                 SD_BUS_NO_RESULT,
3208                                 method_set_exit_code,
3209                                 SD_BUS_VTABLE_UNPRIVILEGED),
3210         SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByName",
3211                                 SD_BUS_ARGS("s", name),
3212                                 SD_BUS_RESULT("u", uid),
3213                                 method_lookup_dynamic_user_by_name,
3214                                 SD_BUS_VTABLE_UNPRIVILEGED),
3215         SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByUID",
3216                                 SD_BUS_ARGS("u", uid),
3217                                 SD_BUS_RESULT("s", name),
3218                                 method_lookup_dynamic_user_by_uid,
3219                                 SD_BUS_VTABLE_UNPRIVILEGED),
3220         SD_BUS_METHOD_WITH_ARGS("GetDynamicUsers",
3221                                 SD_BUS_NO_ARGS,
3222                                 SD_BUS_RESULT("a(us)", users),
3223                                 method_get_dynamic_users,
3224                                 SD_BUS_VTABLE_UNPRIVILEGED),
3225
3226         SD_BUS_SIGNAL_WITH_ARGS("UnitNew",
3227                                 SD_BUS_ARGS("s", id, "o", unit),
3228                                 0),
3229         SD_BUS_SIGNAL_WITH_ARGS("UnitRemoved",
3230                                 SD_BUS_ARGS("s", id, "o", unit),
3231                                 0),
3232         SD_BUS_SIGNAL_WITH_ARGS("JobNew",
3233                                 SD_BUS_ARGS("u", id, "o", job, "s", unit),
3234                                 0),
3235         SD_BUS_SIGNAL_WITH_ARGS("JobRemoved",
3236                                 SD_BUS_ARGS("u", id, "o", job, "s", unit, "s", result),
3237                                 0),
3238         SD_BUS_SIGNAL_WITH_ARGS("StartupFinished",
3239                                 SD_BUS_ARGS("t", firmware, "t", loader, "t", kernel, "t", initrd, "t", userspace, "t", total),
3240                                 0),
3241         SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0),
3242         SD_BUS_SIGNAL_WITH_ARGS("Reloading",
3243                                 SD_BUS_ARGS("b", active),
3244                                 0),
3245
3246         SD_BUS_VTABLE_END
3247 };
3248
3249 const sd_bus_vtable bus_manager_log_control_vtable[] = {
3250         SD_BUS_VTABLE_START(0),
3251
3252         /* We define a private version of this interface here, since we want slightly different
3253          * implementations for the setters. We'll still use the generic getters however, and we share the
3254          * setters with the implementations for the Manager interface above (which pre-dates the generic
3255          * service API interface). */
3256
3257         SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0),
3258         SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0),
3259         SD_BUS_PROPERTY("SyslogIdentifier", "s", bus_property_get_syslog_identifier, 0, 0),
3260
3261         SD_BUS_VTABLE_END,
3262 };
3263
3264 static int send_finished(sd_bus *bus, void *userdata) {
3265         _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
3266         usec_t *times = ASSERT_PTR(userdata);
3267         int r;
3268
3269         assert(bus);
3270
3271         r = sd_bus_message_new_signal(bus,
3272                                       &message,
3273                                       "/org/freedesktop/systemd1",
3274                                       "org.freedesktop.systemd1.Manager",
3275                                       "StartupFinished");
3276         if (r < 0)
3277                 return r;
3278
3279         r = sd_bus_message_append(message, "tttttt", times[0], times[1], times[2], times[3], times[4], times[5]);
3280         if (r < 0)
3281                 return r;
3282
3283         return sd_bus_send(bus, message, NULL);
3284 }
3285
3286 void bus_manager_send_finished(
3287                 Manager *m,
3288                 usec_t firmware_usec,
3289                 usec_t loader_usec,
3290                 usec_t kernel_usec,
3291                 usec_t initrd_usec,
3292                 usec_t userspace_usec,
3293                 usec_t total_usec) {
3294
3295         int r;
3296
3297         assert(m);
3298
3299         r = bus_foreach_bus(
3300                         m,
3301                         NULL,
3302                         send_finished,
3303                         (usec_t[6]) {
3304                                 firmware_usec,
3305                                 loader_usec,
3306                                 kernel_usec,
3307                                 initrd_usec,
3308                                 userspace_usec,
3309                                 total_usec
3310                         });
3311         if (r < 0)
3312                 log_debug_errno(r, "Failed to send finished signal: %m");
3313 }
3314
3315 static int send_reloading(sd_bus *bus, void *userdata) {
3316         _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
3317         int r;
3318
3319         assert(bus);
3320
3321         r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading");
3322         if (r < 0)
3323                 return r;
3324
3325         r = sd_bus_message_append(message, "b", PTR_TO_INT(userdata));
3326         if (r < 0)
3327                 return r;
3328
3329         return sd_bus_send(bus, message, NULL);
3330 }
3331
3332 void bus_manager_send_reloading(Manager *m, bool active) {
3333         int r;
3334
3335         assert(m);
3336
3337         r = bus_foreach_bus(m, NULL, send_reloading, INT_TO_PTR(active));
3338         if (r < 0)
3339                 log_debug_errno(r, "Failed to send reloading signal: %m");
3340 }
3341
3342 static int send_changed_signal(sd_bus *bus, void *userdata) {
3343         assert(bus);
3344
3345         return sd_bus_emit_properties_changed_strv(bus,
3346                                                    "/org/freedesktop/systemd1",
3347                                                    "org.freedesktop.systemd1.Manager",
3348                                                    NULL);
3349 }
3350
3351 void bus_manager_send_change_signal(Manager *m) {
3352         int r;
3353
3354         assert(m);
3355
3356         r = bus_foreach_bus(m, NULL, send_changed_signal, NULL);
3357         if (r < 0)
3358                 log_debug_errno(r, "Failed to send manager change signal: %m");
3359 }