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(sd_bus_message *message, void *userdata, sd_bus_error *error, int (*reply)(sd_bus_message *, char *)) {
1348         _cleanup_free_ char *dump = NULL;
1349         Manager *m = ASSERT_PTR(userdata);
1350         int r;
1351
1352         assert(message);
1353
1354         /* Anyone can call this method */
1355
1356         r = mac_selinux_access_check(message, "status", error);
1357         if (r < 0)
1358                 return r;
1359
1360         r = manager_get_dump_string(m, &dump);
1361         if (r < 0)
1362                 return r;
1363
1364         return reply(message, dump);
1365 }
1366
1367 static int reply_dump(sd_bus_message *message, char *dump) {
1368         return sd_bus_reply_method_return(message, "s", dump);
1369 }
1370
1371 static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1372         return dump_impl(message, userdata, error, reply_dump);
1373 }
1374
1375 static int reply_dump_by_fd(sd_bus_message *message, char *dump) {
1376         _cleanup_close_ int fd = -1;
1377
1378         fd = acquire_data_fd(dump, strlen(dump), 0);
1379         if (fd < 0)
1380                 return fd;
1381
1382         return sd_bus_reply_method_return(message, "h", fd);
1383 }
1384
1385 static int method_dump_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1386         return dump_impl(message, userdata, error, reply_dump_by_fd);
1387 }
1388
1389 static int method_refuse_snapshot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1390         return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed.");
1391 }
1392
1393 static int verify_run_space(const char *message, sd_bus_error *error) {
1394         struct statvfs svfs;
1395         uint64_t available;
1396
1397         if (statvfs("/run/systemd", &svfs) < 0)
1398                 return sd_bus_error_set_errnof(error, errno, "Failed to statvfs(/run/systemd): %m");
1399
1400         available = (uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize;
1401
1402         if (available < RELOAD_DISK_SPACE_MIN)
1403                 return sd_bus_error_setf(error,
1404                                          BUS_ERROR_DISK_FULL,
1405                                          "%s, not enough space available on /run/systemd. "
1406                                          "Currently, %s are free, but a safety buffer of %s is enforced.",
1407                                          message,
1408                                          FORMAT_BYTES(available),
1409                                          FORMAT_BYTES(RELOAD_DISK_SPACE_MIN));
1410
1411         return 0;
1412 }
1413
1414 int verify_run_space_and_log(const char *message) {
1415         _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1416         int r;
1417
1418         r = verify_run_space(message, &error);
1419         if (r < 0)
1420                 return log_error_errno(r, "%s", bus_error_message(&error, r));
1421
1422         return 0;
1423 }
1424
1425 static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1426         Manager *m = ASSERT_PTR(userdata);
1427         int r;
1428
1429         assert(message);
1430
1431         r = verify_run_space("Refusing to reload", error);
1432         if (r < 0)
1433                 return r;
1434
1435         r = mac_selinux_access_check(message, "reload", error);
1436         if (r < 0)
1437                 return r;
1438
1439         r = bus_verify_reload_daemon_async(m, message, error);
1440         if (r < 0)
1441                 return r;
1442         if (r == 0)
1443                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1444
1445         /* Instead of sending the reply back right away, we just
1446          * remember that we need to and then send it after the reload
1447          * is finished. That way the caller knows when the reload
1448          * finished. */
1449
1450         assert(!m->pending_reload_message);
1451         r = sd_bus_message_new_method_return(message, &m->pending_reload_message);
1452         if (r < 0)
1453                 return r;
1454
1455         m->objective = MANAGER_RELOAD;
1456
1457         return 1;
1458 }
1459
1460 static int method_reexecute(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1461         Manager *m = ASSERT_PTR(userdata);
1462         int r;
1463
1464         assert(message);
1465
1466         r = verify_run_space("Refusing to reexecute", error);
1467         if (r < 0)
1468                 return r;
1469
1470         r = mac_selinux_access_check(message, "reload", error);
1471         if (r < 0)
1472                 return r;
1473
1474         r = bus_verify_reload_daemon_async(m, message, error);
1475         if (r < 0)
1476                 return r;
1477         if (r == 0)
1478                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1479
1480         /* We don't send a reply back here, the client should
1481          * just wait for us disconnecting. */
1482
1483         m->objective = MANAGER_REEXECUTE;
1484         return 1;
1485 }
1486
1487 static int method_exit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1488         Manager *m = ASSERT_PTR(userdata);
1489         int r;
1490
1491         assert(message);
1492
1493         r = mac_selinux_access_check(message, "halt", error);
1494         if (r < 0)
1495                 return r;
1496
1497         /* Exit() (in contrast to SetExitCode()) is actually allowed even if
1498          * we are running on the host. It will fall back on reboot() in
1499          * systemd-shutdown if it cannot do the exit() because it isn't a
1500          * container. */
1501
1502         m->objective = MANAGER_EXIT;
1503
1504         return sd_bus_reply_method_return(message, NULL);
1505 }
1506
1507 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1508         Manager *m = ASSERT_PTR(userdata);
1509         int r;
1510
1511         assert(message);
1512
1513         r = mac_selinux_access_check(message, "reboot", error);
1514         if (r < 0)
1515                 return r;
1516
1517         if (!MANAGER_IS_SYSTEM(m))
1518                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1519                                          "Reboot is only supported for system managers.");
1520
1521         m->objective = MANAGER_REBOOT;
1522
1523         return sd_bus_reply_method_return(message, NULL);
1524 }
1525
1526 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1527         Manager *m = ASSERT_PTR(userdata);
1528         int r;
1529
1530         assert(message);
1531
1532         r = mac_selinux_access_check(message, "halt", error);
1533         if (r < 0)
1534                 return r;
1535
1536         if (!MANAGER_IS_SYSTEM(m))
1537                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1538                                          "Powering off is only supported for system managers.");
1539
1540         m->objective = MANAGER_POWEROFF;
1541
1542         return sd_bus_reply_method_return(message, NULL);
1543 }
1544
1545 static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1546         Manager *m = ASSERT_PTR(userdata);
1547         int r;
1548
1549         assert(message);
1550
1551         r = mac_selinux_access_check(message, "halt", error);
1552         if (r < 0)
1553                 return r;
1554
1555         if (!MANAGER_IS_SYSTEM(m))
1556                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1557                                          "Halt is only supported for system managers.");
1558
1559         m->objective = MANAGER_HALT;
1560
1561         return sd_bus_reply_method_return(message, NULL);
1562 }
1563
1564 static int method_kexec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1565         Manager *m = ASSERT_PTR(userdata);
1566         int r;
1567
1568         assert(message);
1569
1570         r = mac_selinux_access_check(message, "reboot", error);
1571         if (r < 0)
1572                 return r;
1573
1574         if (!MANAGER_IS_SYSTEM(m))
1575                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1576                                          "KExec is only supported for system managers.");
1577
1578         m->objective = MANAGER_KEXEC;
1579
1580         return sd_bus_reply_method_return(message, NULL);
1581 }
1582
1583 static int method_switch_root(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1584         _cleanup_free_ char *ri = NULL, *rt = NULL;
1585         const char *root, *init;
1586         Manager *m = ASSERT_PTR(userdata);
1587         struct statvfs svfs;
1588         uint64_t available;
1589         int r;
1590
1591         assert(message);
1592
1593         if (statvfs("/run/systemd", &svfs) < 0)
1594                 return sd_bus_error_set_errnof(error, errno, "Failed to statvfs(/run/systemd): %m");
1595
1596         available = (uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize;
1597
1598         if (available < RELOAD_DISK_SPACE_MIN)
1599                 log_warning("Dangerously low amount of free space on /run/systemd, root switching might fail.\n"
1600                             "Currently, %s are free, but %s are suggested. Proceeding anyway.",
1601                             FORMAT_BYTES(available),
1602                             FORMAT_BYTES(RELOAD_DISK_SPACE_MIN));
1603
1604         r = mac_selinux_access_check(message, "reboot", error);
1605         if (r < 0)
1606                 return r;
1607
1608         if (!MANAGER_IS_SYSTEM(m))
1609                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1610                                          "Root switching is only supported by system manager.");
1611
1612         r = sd_bus_message_read(message, "ss", &root, &init);
1613         if (r < 0)
1614                 return r;
1615
1616         if (isempty(root))
1617                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1618                                          "New root directory may not be the empty string.");
1619         if (!path_is_absolute(root))
1620                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1621                                          "New root path '%s' is not absolute.", root);
1622         if (path_equal(root, "/"))
1623                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1624                                          "New root directory cannot be the old root directory.");
1625
1626         /* Safety check */
1627         if (isempty(init)) {
1628                 r = path_is_os_tree(root);
1629                 if (r < 0)
1630                         return sd_bus_error_set_errnof(error, r,
1631                                                        "Failed to determine whether root path '%s' contains an OS tree: %m",
1632                                                        root);
1633                 if (r == 0)
1634                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1635                                                  "Specified switch root path '%s' does not seem to be an OS tree. os-release file is missing.",
1636                                                  root);
1637         } else {
1638                 _cleanup_free_ char *chased = NULL;
1639
1640                 if (!path_is_absolute(init))
1641                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1642                                                  "Path to init binary '%s' not absolute.", init);
1643
1644                 r = chase_symlinks(init, root, CHASE_PREFIX_ROOT|CHASE_TRAIL_SLASH, &chased, NULL);
1645                 if (r < 0)
1646                         return sd_bus_error_set_errnof(error, r,
1647                                                        "Could not resolve init executable %s: %m", init);
1648
1649                 if (laccess(chased, X_OK) < 0) {
1650                         if (errno == EACCES)
1651                                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1652                                                          "Init binary %s is not executable.", init);
1653
1654                         return sd_bus_error_set_errnof(error, r,
1655                                                        "Could not check whether init binary %s is executable: %m", init);
1656                 }
1657         }
1658
1659         rt = strdup(root);
1660         if (!rt)
1661                 return -ENOMEM;
1662
1663         if (!isempty(init)) {
1664                 ri = strdup(init);
1665                 if (!ri)
1666                         return -ENOMEM;
1667         }
1668
1669         free_and_replace(m->switch_root, rt);
1670         free_and_replace(m->switch_root_init, ri);
1671
1672         m->objective = MANAGER_SWITCH_ROOT;
1673
1674         return sd_bus_reply_method_return(message, NULL);
1675 }
1676
1677 static int method_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1678         _cleanup_strv_free_ char **plus = NULL;
1679         Manager *m = ASSERT_PTR(userdata);
1680         int r;
1681
1682         assert(message);
1683
1684         r = mac_selinux_access_check(message, "reload", error);
1685         if (r < 0)
1686                 return r;
1687
1688         r = sd_bus_message_read_strv(message, &plus);
1689         if (r < 0)
1690                 return r;
1691         if (!strv_env_is_valid(plus))
1692                 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments");
1693
1694         r = bus_verify_set_environment_async(m, message, error);
1695         if (r < 0)
1696                 return r;
1697         if (r == 0)
1698                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1699
1700         r = manager_client_environment_modify(m, NULL, plus);
1701         if (r < 0)
1702                 return r;
1703
1704         return sd_bus_reply_method_return(message, NULL);
1705 }
1706
1707 static int method_unset_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1708         _cleanup_strv_free_ char **minus = NULL;
1709         Manager *m = ASSERT_PTR(userdata);
1710         int r;
1711
1712         assert(message);
1713
1714         r = mac_selinux_access_check(message, "reload", error);
1715         if (r < 0)
1716                 return r;
1717
1718         r = sd_bus_message_read_strv(message, &minus);
1719         if (r < 0)
1720                 return r;
1721
1722         if (!strv_env_name_or_assignment_is_valid(minus))
1723                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1724                                          "Invalid environment variable names or assignments");
1725
1726         r = bus_verify_set_environment_async(m, message, error);
1727         if (r < 0)
1728                 return r;
1729         if (r == 0)
1730                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1731
1732         r = manager_client_environment_modify(m, minus, NULL);
1733         if (r < 0)
1734                 return r;
1735
1736         return sd_bus_reply_method_return(message, NULL);
1737 }
1738
1739 static int method_unset_and_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1740         _cleanup_strv_free_ char **minus = NULL, **plus = NULL;
1741         Manager *m = ASSERT_PTR(userdata);
1742         int r;
1743
1744         assert(message);
1745
1746         r = mac_selinux_access_check(message, "reload", error);
1747         if (r < 0)
1748                 return r;
1749
1750         r = sd_bus_message_read_strv(message, &minus);
1751         if (r < 0)
1752                 return r;
1753
1754         r = sd_bus_message_read_strv(message, &plus);
1755         if (r < 0)
1756                 return r;
1757
1758         if (!strv_env_name_or_assignment_is_valid(minus))
1759                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1760                                          "Invalid environment variable names or assignments");
1761         if (!strv_env_is_valid(plus))
1762                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1763                                          "Invalid environment assignments");
1764
1765         r = bus_verify_set_environment_async(m, message, error);
1766         if (r < 0)
1767                 return r;
1768         if (r == 0)
1769                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1770
1771         r = manager_client_environment_modify(m, minus, plus);
1772         if (r < 0)
1773                 return r;
1774
1775         return sd_bus_reply_method_return(message, NULL);
1776 }
1777
1778 static int method_set_exit_code(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1779         Manager *m = ASSERT_PTR(userdata);
1780         uint8_t code;
1781         int r;
1782
1783         assert(message);
1784
1785         r = mac_selinux_access_check(message, "exit", error);
1786         if (r < 0)
1787                 return r;
1788
1789         r = sd_bus_message_read_basic(message, 'y', &code);
1790         if (r < 0)
1791                 return r;
1792
1793         if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0)
1794                 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "ExitCode can only be set for user service managers or in containers.");
1795
1796         m->return_value = code;
1797
1798         return sd_bus_reply_method_return(message, NULL);
1799 }
1800
1801 static int method_lookup_dynamic_user_by_name(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1802         Manager *m = ASSERT_PTR(userdata);
1803         const char *name;
1804         uid_t uid;
1805         int r;
1806
1807         assert(message);
1808
1809         r = sd_bus_message_read_basic(message, 's', &name);
1810         if (r < 0)
1811                 return r;
1812
1813         if (!MANAGER_IS_SYSTEM(m))
1814                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1815                                          "Dynamic users are only supported in the system instance.");
1816         if (!valid_user_group_name(name, VALID_USER_RELAX))
1817                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1818                                          "User name invalid: %s", name);
1819
1820         r = dynamic_user_lookup_name(m, name, &uid);
1821         if (r == -ESRCH)
1822                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER,
1823                                          "Dynamic user %s does not exist.", name);
1824         if (r < 0)
1825                 return r;
1826
1827         return sd_bus_reply_method_return(message, "u", (uint32_t) uid);
1828 }
1829
1830 static int method_lookup_dynamic_user_by_uid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1831         _cleanup_free_ char *name = NULL;
1832         Manager *m = ASSERT_PTR(userdata);
1833         uid_t uid;
1834         int r;
1835
1836         assert(message);
1837
1838         assert_cc(sizeof(uid_t) == sizeof(uint32_t));
1839         r = sd_bus_message_read_basic(message, 'u', &uid);
1840         if (r < 0)
1841                 return r;
1842
1843         if (!MANAGER_IS_SYSTEM(m))
1844                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1845                                          "Dynamic users are only supported in the system instance.");
1846         if (!uid_is_valid(uid))
1847                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1848                                          "User ID invalid: " UID_FMT, uid);
1849
1850         r = dynamic_user_lookup_uid(m, uid, &name);
1851         if (r == -ESRCH)
1852                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER,
1853                                          "Dynamic user ID " UID_FMT " does not exist.", uid);
1854         if (r < 0)
1855                 return r;
1856
1857         return sd_bus_reply_method_return(message, "s", name);
1858 }
1859
1860 static int method_get_dynamic_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1861         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1862         Manager *m = ASSERT_PTR(userdata);
1863         DynamicUser *d;
1864         int r;
1865
1866         assert(message);
1867
1868         assert_cc(sizeof(uid_t) == sizeof(uint32_t));
1869
1870         if (!MANAGER_IS_SYSTEM(m))
1871                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1872                                          "Dynamic users are only supported in the system instance.");
1873
1874         r = sd_bus_message_new_method_return(message, &reply);
1875         if (r < 0)
1876                 return r;
1877
1878         r = sd_bus_message_open_container(reply, 'a', "(us)");
1879         if (r < 0)
1880                 return r;
1881
1882         HASHMAP_FOREACH(d, m->dynamic_users) {
1883                 uid_t uid;
1884
1885                 r = dynamic_user_current(d, &uid);
1886                 if (r == -EAGAIN) /* not realized yet? */
1887                         continue;
1888                 if (r < 0)
1889                         return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED,
1890                                                  "Failed to look up a dynamic user.");
1891
1892                 r = sd_bus_message_append(reply, "(us)", uid, d->name);
1893                 if (r < 0)
1894                         return r;
1895         }
1896
1897         r = sd_bus_message_close_container(reply);
1898         if (r < 0)
1899                 return r;
1900
1901         return sd_bus_send(NULL, reply, NULL);
1902 }
1903
1904 static int method_enqueue_marked_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1905         Manager *m = ASSERT_PTR(userdata);
1906         int r;
1907
1908         assert(message);
1909
1910         r = mac_selinux_access_check(message, "start", error);
1911         if (r < 0)
1912                 return r;
1913
1914         r = bus_verify_manage_units_async(m, message, error);
1915         if (r < 0)
1916                 return r;
1917         if (r == 0)
1918                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1919
1920         log_info("Queuing reload/restart jobs for marked units%s", special_glyph(SPECIAL_GLYPH_ELLIPSIS));
1921
1922         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1923         r = sd_bus_message_new_method_return(message, &reply);
1924         if (r < 0)
1925                 return r;
1926
1927         r = sd_bus_message_open_container(reply, 'a', "o");
1928         if (r < 0)
1929                 return r;
1930
1931         Unit *u;
1932         char *k;
1933         int ret = 0;
1934         HASHMAP_FOREACH_KEY(u, k, m->units) {
1935                 /* ignore aliases */
1936                 if (u->id != k)
1937                         continue;
1938
1939                 BusUnitQueueFlags flags;
1940                 if (FLAGS_SET(u->markers, 1u << UNIT_MARKER_NEEDS_RESTART))
1941                         flags = 0;
1942                 else if (FLAGS_SET(u->markers, 1u << UNIT_MARKER_NEEDS_RELOAD))
1943                         flags = BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE;
1944                 else
1945                         continue;
1946
1947                 r = mac_selinux_unit_access_check(u, message, "start", error);
1948                 if (r >= 0)
1949                         r = bus_unit_queue_job_one(message, u,
1950                                                    JOB_TRY_RESTART, JOB_FAIL, flags,
1951                                                    reply, error);
1952                 if (r < 0) {
1953                         if (ERRNO_IS_RESOURCE(r))
1954                                 return r;
1955                         if (ret >= 0)
1956                                 ret = r;
1957                         sd_bus_error_free(error);
1958                 }
1959         }
1960
1961         if (ret < 0)
1962                 return sd_bus_error_set_errnof(error, ret,
1963                                                "Failed to enqueue some jobs, see logs for details: %m");
1964
1965         r = sd_bus_message_close_container(reply);
1966         if (r < 0)
1967                 return r;
1968
1969         return sd_bus_send(NULL, reply, NULL);
1970 }
1971
1972 static int list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
1973         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1974         Manager *m = ASSERT_PTR(userdata);
1975         UnitFileList *item;
1976         Hashmap *h;
1977         int r;
1978
1979         assert(message);
1980
1981         /* Anyone can call this method */
1982
1983         r = mac_selinux_access_check(message, "status", error);
1984         if (r < 0)
1985                 return r;
1986
1987         r = sd_bus_message_new_method_return(message, &reply);
1988         if (r < 0)
1989                 return r;
1990
1991         h = hashmap_new(&string_hash_ops);
1992         if (!h)
1993                 return -ENOMEM;
1994
1995         r = unit_file_get_list(m->unit_file_scope, NULL, h, states, patterns);
1996         if (r < 0)
1997                 goto fail;
1998
1999         r = sd_bus_message_open_container(reply, 'a', "(ss)");
2000         if (r < 0)
2001                 goto fail;
2002
2003         HASHMAP_FOREACH(item, h) {
2004
2005                 r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state));
2006                 if (r < 0)
2007                         goto fail;
2008         }
2009
2010         unit_file_list_free(h);
2011
2012         r = sd_bus_message_close_container(reply);
2013         if (r < 0)
2014                 return r;
2015
2016         return sd_bus_send(NULL, reply, NULL);
2017
2018 fail:
2019         unit_file_list_free(h);
2020         return r;
2021 }
2022
2023 static int method_list_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2024         return list_unit_files_by_patterns(message, userdata, error, NULL, NULL);
2025 }
2026
2027 static int method_list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2028         _cleanup_strv_free_ char **states = NULL;
2029         _cleanup_strv_free_ char **patterns = NULL;
2030         int r;
2031
2032         r = sd_bus_message_read_strv(message, &states);
2033         if (r < 0)
2034                 return r;
2035
2036         r = sd_bus_message_read_strv(message, &patterns);
2037         if (r < 0)
2038                 return r;
2039
2040         return list_unit_files_by_patterns(message, userdata, error, states, patterns);
2041 }
2042
2043 static int method_get_unit_file_state(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2044         Manager *m = ASSERT_PTR(userdata);
2045         const char *name;
2046         UnitFileState state;
2047         int r;
2048
2049         assert(message);
2050
2051         /* Anyone can call this method */
2052
2053         r = mac_selinux_access_check(message, "status", error);
2054         if (r < 0)
2055                 return r;
2056
2057         r = sd_bus_message_read(message, "s", &name);
2058         if (r < 0)
2059                 return r;
2060
2061         r = unit_file_get_state(m->unit_file_scope, NULL, name, &state);
2062         if (r < 0)
2063                 return r;
2064
2065         return sd_bus_reply_method_return(message, "s", unit_file_state_to_string(state));
2066 }
2067
2068 static int method_get_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2069         _cleanup_free_ char *default_target = NULL;
2070         Manager *m = ASSERT_PTR(userdata);
2071         int r;
2072
2073         assert(message);
2074
2075         /* Anyone can call this method */
2076
2077         r = mac_selinux_access_check(message, "status", error);
2078         if (r < 0)
2079                 return r;
2080
2081         r = unit_file_get_default(m->unit_file_scope, NULL, &default_target);
2082         if (r < 0)
2083                 return r;
2084
2085         return sd_bus_reply_method_return(message, "s", default_target);
2086 }
2087
2088 static int send_unit_files_changed(sd_bus *bus, void *userdata) {
2089         _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
2090         int r;
2091
2092         assert(bus);
2093
2094         r = sd_bus_message_new_signal(bus, &message,
2095                                       "/org/freedesktop/systemd1",
2096                                       "org.freedesktop.systemd1.Manager",
2097                                       "UnitFilesChanged");
2098         if (r < 0)
2099                 return r;
2100
2101         return sd_bus_send(bus, message, NULL);
2102 }
2103
2104 /* Create an error reply, using the error information from changes[]
2105  * if possible, and fall back to generating an error from error code c.
2106  * The error message only describes the first error.
2107  *
2108  * Coordinate with unit_file_dump_changes() in install.c.
2109  */
2110 static int install_error(
2111                 sd_bus_error *error,
2112                 int c,
2113                 UnitFileChange *changes,
2114                 size_t n_changes) {
2115
2116         int r;
2117
2118         for (size_t i = 0; i < n_changes; i++)
2119
2120                 switch (changes[i].type_or_errno) {
2121
2122                 case 0 ... _UNIT_FILE_CHANGE_TYPE_MAX: /* not errors */
2123                         continue;
2124
2125                 case -EEXIST:
2126                         if (changes[i].source)
2127                                 r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
2128                                                       "File %s already exists and is a symlink to %s.",
2129                                                       changes[i].path, changes[i].source);
2130                         else
2131                                 r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
2132                                                       "File %s already exists.",
2133                                                       changes[i].path);
2134                         goto found;
2135
2136                 case -ERFKILL:
2137                         r = sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED,
2138                                               "Unit file %s is masked.", changes[i].path);
2139                         goto found;
2140
2141                 case -EADDRNOTAVAIL:
2142                         r = sd_bus_error_setf(error, BUS_ERROR_UNIT_GENERATED,
2143                                               "Unit %s is transient or generated.", changes[i].path);
2144                         goto found;
2145
2146                 case -EUCLEAN:
2147                         r = sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING,
2148                                               "\"%s\" is not a valid unit name.",
2149                                               changes[i].path);
2150                         goto found;
2151
2152                 case -ELOOP:
2153                         r = sd_bus_error_setf(error, BUS_ERROR_UNIT_LINKED,
2154                                               "Refusing to operate on alias name or linked unit file: %s",
2155                                               changes[i].path);
2156                         goto found;
2157
2158                 case -ENOENT:
2159                         r = sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT,
2160                                               "Unit file %s does not exist.", changes[i].path);
2161                         goto found;
2162
2163                 default:
2164                         assert(changes[i].type_or_errno < 0); /* other errors */
2165                         r = sd_bus_error_set_errnof(error, changes[i].type_or_errno, "File %s: %m", changes[i].path);
2166                         goto found;
2167                 }
2168
2169         r = c < 0 ? c : -EINVAL;
2170
2171  found:
2172         unit_file_changes_free(changes, n_changes);
2173         return r;
2174 }
2175
2176 static int reply_unit_file_changes_and_free(
2177                 Manager *m,
2178                 sd_bus_message *message,
2179                 int carries_install_info,
2180                 UnitFileChange *changes,
2181                 size_t n_changes,
2182                 sd_bus_error *error) {
2183
2184         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2185         bool bad = false, good = false;
2186         int r;
2187
2188         if (unit_file_changes_have_modification(changes, n_changes)) {
2189                 r = bus_foreach_bus(m, NULL, send_unit_files_changed, NULL);
2190                 if (r < 0)
2191                         log_debug_errno(r, "Failed to send UnitFilesChanged signal: %m");
2192         }
2193
2194         r = sd_bus_message_new_method_return(message, &reply);
2195         if (r < 0)
2196                 goto fail;
2197
2198         if (carries_install_info >= 0) {
2199                 r = sd_bus_message_append(reply, "b", carries_install_info);
2200                 if (r < 0)
2201                         goto fail;
2202         }
2203
2204         r = sd_bus_message_open_container(reply, 'a', "(sss)");
2205         if (r < 0)
2206                 goto fail;
2207
2208         for (size_t i = 0; i < n_changes; i++) {
2209
2210                 if (changes[i].type_or_errno < 0) {
2211                         bad = true;
2212                         continue;
2213                 }
2214
2215                 r = sd_bus_message_append(
2216                                 reply, "(sss)",
2217                                 unit_file_change_type_to_string(changes[i].type_or_errno),
2218                                 changes[i].path,
2219                                 changes[i].source);
2220                 if (r < 0)
2221                         goto fail;
2222
2223                 good = true;
2224         }
2225
2226         /* If there was a failed change, and no successful change, then return the first failure as proper
2227          * method call error. */
2228         if (bad && !good)
2229                 return install_error(error, 0, changes, n_changes);
2230
2231         r = sd_bus_message_close_container(reply);
2232         if (r < 0)
2233                 goto fail;
2234
2235         unit_file_changes_free(changes, n_changes);
2236         return sd_bus_send(NULL, reply, NULL);
2237
2238 fail:
2239         unit_file_changes_free(changes, n_changes);
2240         return r;
2241 }
2242
2243 static int method_enable_unit_files_generic(
2244                 sd_bus_message *message,
2245                 Manager *m,
2246                 int (*call)(LookupScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, size_t *n_changes),
2247                 bool carries_install_info,
2248                 sd_bus_error *error) {
2249
2250         _cleanup_strv_free_ char **l = NULL;
2251         UnitFileChange *changes = NULL;
2252         size_t n_changes = 0;
2253         UnitFileFlags flags;
2254         int r;
2255
2256         assert(message);
2257         assert(m);
2258
2259         r = sd_bus_message_read_strv(message, &l);
2260         if (r < 0)
2261                 return r;
2262
2263         if (sd_bus_message_is_method_call(message, NULL, "EnableUnitFilesWithFlags")) {
2264                 uint64_t raw_flags;
2265
2266                 r = sd_bus_message_read(message, "t", &raw_flags);
2267                 if (r < 0)
2268                         return r;
2269                 if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0)
2270                         return -EINVAL;
2271                 flags = raw_flags;
2272         } else {
2273                 int runtime, force;
2274
2275                 r = sd_bus_message_read(message, "bb", &runtime, &force);
2276                 if (r < 0)
2277                         return r;
2278                 flags = unit_file_bools_to_flags(runtime, force);
2279         }
2280
2281         r = bus_verify_manage_unit_files_async(m, message, error);
2282         if (r < 0)
2283                 return r;
2284         if (r == 0)
2285                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2286
2287         r = call(m->unit_file_scope, flags, NULL, l, &changes, &n_changes);
2288         if (r < 0)
2289                 return install_error(error, r, changes, n_changes);
2290
2291         return reply_unit_file_changes_and_free(m, message, carries_install_info ? r : -1, changes, n_changes, error);
2292 }
2293
2294 static int method_enable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2295         return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error);
2296 }
2297
2298 static int method_enable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2299         return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error);
2300 }
2301
2302 static int method_reenable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2303         return method_enable_unit_files_generic(message, userdata, unit_file_reenable, true, error);
2304 }
2305
2306 static int method_link_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2307         return method_enable_unit_files_generic(message, userdata, unit_file_link, false, error);
2308 }
2309
2310 static int unit_file_preset_without_mode(LookupScope scope, UnitFileFlags flags, const char *root_dir, char **files, UnitFileChange **changes, size_t *n_changes) {
2311         return unit_file_preset(scope, flags, root_dir, files, UNIT_FILE_PRESET_FULL, changes, n_changes);
2312 }
2313
2314 static int method_preset_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2315         return method_enable_unit_files_generic(message, userdata, unit_file_preset_without_mode, true, error);
2316 }
2317
2318 static int method_mask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2319         return method_enable_unit_files_generic(message, userdata, unit_file_mask, false, error);
2320 }
2321
2322 static int method_preset_unit_files_with_mode(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2323
2324         _cleanup_strv_free_ char **l = NULL;
2325         UnitFileChange *changes = NULL;
2326         size_t n_changes = 0;
2327         Manager *m = ASSERT_PTR(userdata);
2328         UnitFilePresetMode preset_mode;
2329         int runtime, force, r;
2330         UnitFileFlags flags;
2331         const char *mode;
2332
2333         assert(message);
2334
2335         r = sd_bus_message_read_strv(message, &l);
2336         if (r < 0)
2337                 return r;
2338
2339         r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
2340         if (r < 0)
2341                 return r;
2342
2343         flags = unit_file_bools_to_flags(runtime, force);
2344
2345         if (isempty(mode))
2346                 preset_mode = UNIT_FILE_PRESET_FULL;
2347         else {
2348                 preset_mode = unit_file_preset_mode_from_string(mode);
2349                 if (preset_mode < 0)
2350                         return -EINVAL;
2351         }
2352
2353         r = bus_verify_manage_unit_files_async(m, message, error);
2354         if (r < 0)
2355                 return r;
2356         if (r == 0)
2357                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2358
2359         r = unit_file_preset(m->unit_file_scope, flags, NULL, l, preset_mode, &changes, &n_changes);
2360         if (r < 0)
2361                 return install_error(error, r, changes, n_changes);
2362
2363         return reply_unit_file_changes_and_free(m, message, r, changes, n_changes, error);
2364 }
2365
2366 static int method_disable_unit_files_generic(
2367                 sd_bus_message *message,
2368                 Manager *m,
2369                 int (*call)(LookupScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, size_t *n_changes),
2370                 sd_bus_error *error) {
2371
2372         _cleanup_strv_free_ char **l = NULL;
2373         UnitFileChange *changes = NULL;
2374         UnitFileFlags flags;
2375         size_t n_changes = 0;
2376         int r;
2377
2378         assert(message);
2379         assert(m);
2380
2381         r = sd_bus_message_read_strv(message, &l);
2382         if (r < 0)
2383                 return r;
2384
2385         if (sd_bus_message_is_method_call(message, NULL, "DisableUnitFilesWithFlags")) {
2386                 uint64_t raw_flags;
2387
2388                 r = sd_bus_message_read(message, "t", &raw_flags);
2389                 if (r < 0)
2390                         return r;
2391                 if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0 ||
2392                                 FLAGS_SET(raw_flags, UNIT_FILE_FORCE))
2393                         return -EINVAL;
2394                 flags = raw_flags;
2395         } else {
2396                 int runtime;
2397
2398                 r = sd_bus_message_read(message, "b", &runtime);
2399                 if (r < 0)
2400                         return r;
2401                 flags = unit_file_bools_to_flags(runtime, false);
2402         }
2403
2404         r = bus_verify_manage_unit_files_async(m, message, error);
2405         if (r < 0)
2406                 return r;
2407         if (r == 0)
2408                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2409
2410         r = call(m->unit_file_scope, flags, NULL, l, &changes, &n_changes);
2411         if (r < 0)
2412                 return install_error(error, r, changes, n_changes);
2413
2414         return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error);
2415 }
2416
2417 static int method_disable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2418         return method_disable_unit_files_generic(message, userdata, unit_file_disable, error);
2419 }
2420
2421 static int method_disable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2422         return method_disable_unit_files_generic(message, userdata, unit_file_disable, error);
2423 }
2424
2425 static int method_unmask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2426         return method_disable_unit_files_generic(message, userdata, unit_file_unmask, error);
2427 }
2428
2429 static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2430         _cleanup_strv_free_ char **l = NULL;
2431         UnitFileChange *changes = NULL;
2432         size_t n_changes = 0;
2433         Manager *m = ASSERT_PTR(userdata);
2434         int r;
2435
2436         assert(message);
2437
2438         r = sd_bus_message_read_strv(message, &l);
2439         if (r < 0)
2440                 return r;
2441
2442         r = bus_verify_manage_unit_files_async(m, message, error);
2443         if (r < 0)
2444                 return r;
2445         if (r == 0)
2446                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2447
2448         r = unit_file_revert(m->unit_file_scope, NULL, l, &changes, &n_changes);
2449         if (r < 0)
2450                 return install_error(error, r, changes, n_changes);
2451
2452         return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error);
2453 }
2454
2455 static int method_set_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2456         UnitFileChange *changes = NULL;
2457         size_t n_changes = 0;
2458         Manager *m = ASSERT_PTR(userdata);
2459         const char *name;
2460         int force, r;
2461
2462         assert(message);
2463
2464         r = mac_selinux_access_check(message, "enable", error);
2465         if (r < 0)
2466                 return r;
2467
2468         r = sd_bus_message_read(message, "sb", &name, &force);
2469         if (r < 0)
2470                 return r;
2471
2472         r = bus_verify_manage_unit_files_async(m, message, error);
2473         if (r < 0)
2474                 return r;
2475         if (r == 0)
2476                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2477
2478         r = unit_file_set_default(m->unit_file_scope, force ? UNIT_FILE_FORCE : 0, NULL, name, &changes, &n_changes);
2479         if (r < 0)
2480                 return install_error(error, r, changes, n_changes);
2481
2482         return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error);
2483 }
2484
2485 static int method_preset_all_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2486         UnitFileChange *changes = NULL;
2487         size_t n_changes = 0;
2488         Manager *m = ASSERT_PTR(userdata);
2489         UnitFilePresetMode preset_mode;
2490         const char *mode;
2491         UnitFileFlags flags;
2492         int force, runtime, r;
2493
2494         assert(message);
2495
2496         r = mac_selinux_access_check(message, "enable", error);
2497         if (r < 0)
2498                 return r;
2499
2500         r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
2501         if (r < 0)
2502                 return r;
2503
2504         flags = unit_file_bools_to_flags(runtime, force);
2505
2506         if (isempty(mode))
2507                 preset_mode = UNIT_FILE_PRESET_FULL;
2508         else {
2509                 preset_mode = unit_file_preset_mode_from_string(mode);
2510                 if (preset_mode < 0)
2511                         return -EINVAL;
2512         }
2513
2514         r = bus_verify_manage_unit_files_async(m, message, error);
2515         if (r < 0)
2516                 return r;
2517         if (r == 0)
2518                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2519
2520         r = unit_file_preset_all(m->unit_file_scope, flags, NULL, preset_mode, &changes, &n_changes);
2521         if (r < 0)
2522                 return install_error(error, r, changes, n_changes);
2523
2524         return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error);
2525 }
2526
2527 static int method_add_dependency_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2528         _cleanup_strv_free_ char **l = NULL;
2529         Manager *m = ASSERT_PTR(userdata);
2530         UnitFileChange *changes = NULL;
2531         size_t n_changes = 0;
2532         int runtime, force, r;
2533         char *target, *type;
2534         UnitDependency dep;
2535         UnitFileFlags flags;
2536
2537         assert(message);
2538
2539         r = bus_verify_manage_unit_files_async(m, message, error);
2540         if (r < 0)
2541                 return r;
2542         if (r == 0)
2543                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2544
2545         r = sd_bus_message_read_strv(message, &l);
2546         if (r < 0)
2547                 return r;
2548
2549         r = sd_bus_message_read(message, "ssbb", &target, &type, &runtime, &force);
2550         if (r < 0)
2551                 return r;
2552
2553         flags = unit_file_bools_to_flags(runtime, force);
2554
2555         dep = unit_dependency_from_string(type);
2556         if (dep < 0)
2557                 return -EINVAL;
2558
2559         r = unit_file_add_dependency(m->unit_file_scope, flags, NULL, l, target, dep, &changes, &n_changes);
2560         if (r < 0)
2561                 return install_error(error, r, changes, n_changes);
2562
2563         return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error);
2564 }
2565
2566 static int method_get_unit_file_links(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2567         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2568         UnitFileChange *changes = NULL;
2569         size_t n_changes = 0, i;
2570         UnitFileFlags flags;
2571         const char *name;
2572         char **p;
2573         int runtime, r;
2574
2575         r = sd_bus_message_read(message, "sb", &name, &runtime);
2576         if (r < 0)
2577                 return r;
2578
2579         r = sd_bus_message_new_method_return(message, &reply);
2580         if (r < 0)
2581                 return r;
2582
2583         r = sd_bus_message_open_container(reply, SD_BUS_TYPE_ARRAY, "s");
2584         if (r < 0)
2585                 return r;
2586
2587         p = STRV_MAKE(name);
2588         flags = UNIT_FILE_DRY_RUN |
2589                 (runtime ? UNIT_FILE_RUNTIME : 0);
2590
2591         r = unit_file_disable(LOOKUP_SCOPE_SYSTEM, flags, NULL, p, &changes, &n_changes);
2592         if (r < 0)
2593                 return log_error_errno(r, "Failed to get file links for %s: %m", name);
2594
2595         for (i = 0; i < n_changes; i++)
2596                 if (changes[i].type_or_errno == UNIT_FILE_UNLINK) {
2597                         r = sd_bus_message_append(reply, "s", changes[i].path);
2598                         if (r < 0)
2599                                 return r;
2600                 }
2601
2602         r = sd_bus_message_close_container(reply);
2603         if (r < 0)
2604                 return r;
2605
2606         return sd_bus_send(NULL, reply, NULL);
2607 }
2608
2609 static int method_get_job_waiting(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2610         Manager *m = ASSERT_PTR(userdata);
2611         uint32_t id;
2612         Job *j;
2613         int r;
2614
2615         assert(message);
2616
2617         r = sd_bus_message_read(message, "u", &id);
2618         if (r < 0)
2619                 return r;
2620
2621         j = manager_get_job(m, id);
2622         if (!j)
2623                 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
2624
2625         return bus_job_method_get_waiting_jobs(message, j, error);
2626 }
2627
2628 static int method_abandon_scope(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2629         Manager *m = ASSERT_PTR(userdata);
2630         const char *name;
2631         Unit *u;
2632         int r;
2633
2634         assert(message);
2635
2636         r = sd_bus_message_read(message, "s", &name);
2637         if (r < 0)
2638                 return r;
2639
2640         r = bus_get_unit_by_name(m, message, name, &u, error);
2641         if (r < 0)
2642                 return r;
2643
2644         if (u->type != UNIT_SCOPE)
2645                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
2646                                          "Unit '%s' is not a scope unit, refusing.", name);
2647
2648         return bus_scope_method_abandon(message, u, error);
2649 }
2650
2651 static int method_set_show_status(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2652         Manager *m = ASSERT_PTR(userdata);
2653         ShowStatus mode = _SHOW_STATUS_INVALID;
2654         const char *t;
2655         int r;
2656
2657         assert(message);
2658
2659         r = mac_selinux_access_check(message, "reload", error);
2660         if (r < 0)
2661                 return r;
2662
2663         r = bus_verify_set_environment_async(m, message, error);
2664         if (r < 0)
2665                 return r;
2666         if (r == 0)
2667                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2668
2669         r = sd_bus_message_read(message, "s", &t);
2670         if (r < 0)
2671                 return r;
2672
2673         if (!isempty(t)) {
2674                 mode = show_status_from_string(t);
2675                 if (mode < 0)
2676                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
2677                                                  "Invalid show status '%s'", t);
2678         }
2679
2680         manager_override_show_status(m, mode, "bus");
2681
2682         return sd_bus_reply_method_return(message, NULL);
2683 }
2684
2685 const sd_bus_vtable bus_manager_vtable[] = {
2686         SD_BUS_VTABLE_START(0),
2687
2688         SD_BUS_PROPERTY("Version", "s", property_get_version, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2689         SD_BUS_PROPERTY("Features", "s", property_get_features, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2690         SD_BUS_PROPERTY("Virtualization", "s", property_get_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2691         SD_BUS_PROPERTY("Architecture", "s", property_get_architecture, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2692         SD_BUS_PROPERTY("Tainted", "s", property_get_tainted, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2693         BUS_PROPERTY_DUAL_TIMESTAMP("FirmwareTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FIRMWARE]), SD_BUS_VTABLE_PROPERTY_CONST),
2694         BUS_PROPERTY_DUAL_TIMESTAMP("LoaderTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_LOADER]), SD_BUS_VTABLE_PROPERTY_CONST),
2695         BUS_PROPERTY_DUAL_TIMESTAMP("KernelTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_KERNEL]), SD_BUS_VTABLE_PROPERTY_CONST),
2696         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD]), SD_BUS_VTABLE_PROPERTY_CONST),
2697         BUS_PROPERTY_DUAL_TIMESTAMP("UserspaceTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_USERSPACE]), SD_BUS_VTABLE_PROPERTY_CONST),
2698         BUS_PROPERTY_DUAL_TIMESTAMP("FinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2699         BUS_PROPERTY_DUAL_TIMESTAMP("SecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2700         BUS_PROPERTY_DUAL_TIMESTAMP("SecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2701         BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2702         BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2703         BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2704         BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2705         BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD]), SD_BUS_VTABLE_PROPERTY_CONST),
2706         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2707         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2708         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2709         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2710         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2711         BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2712         SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0),
2713         SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0),
2714         SD_BUS_PROPERTY("NNames", "u", property_get_hashmap_size, offsetof(Manager, units), 0),
2715         SD_BUS_PROPERTY("NFailedUnits", "u", property_get_set_size, offsetof(Manager, failed_units), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2716         SD_BUS_PROPERTY("NJobs", "u", property_get_hashmap_size, offsetof(Manager, jobs), 0),
2717         SD_BUS_PROPERTY("NInstalledJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_installed_jobs), 0),
2718         SD_BUS_PROPERTY("NFailedJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_failed_jobs), 0),
2719         SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0),
2720         SD_BUS_PROPERTY("Environment", "as", property_get_environment, 0, 0),
2721         SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST),
2722         SD_BUS_PROPERTY("ShowStatus", "b", property_get_show_status, 0, 0),
2723         SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.search_path), SD_BUS_VTABLE_PROPERTY_CONST),
2724         SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST),
2725         SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, default_std_error), SD_BUS_VTABLE_PROPERTY_CONST),
2726         SD_BUS_PROPERTY("WatchdogDevice", "s", property_get_watchdog_device, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2727         SD_BUS_PROPERTY("WatchdogLastPingTimestamp", "t", property_get_watchdog_last_ping_realtime, 0, 0),
2728         SD_BUS_PROPERTY("WatchdogLastPingTimestampMonotonic", "t", property_get_watchdog_last_ping_monotonic, 0, 0),
2729         SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", property_get_runtime_watchdog, property_set_runtime_watchdog, 0, 0),
2730         SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreUSec", "t", property_get_pretimeout_watchdog, property_set_pretimeout_watchdog, 0, 0),
2731         SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreGovernor", "s", property_get_pretimeout_watchdog_governor, property_set_pretimeout_watchdog_governor, 0, 0),
2732         SD_BUS_WRITABLE_PROPERTY("RebootWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, 0),
2733         /* The following item is an obsolete alias */
2734         SD_BUS_WRITABLE_PROPERTY("ShutdownWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, SD_BUS_VTABLE_HIDDEN),
2735         SD_BUS_WRITABLE_PROPERTY("KExecWatchdogUSec", "t", property_get_kexec_watchdog, property_set_kexec_watchdog, 0, 0),
2736         SD_BUS_WRITABLE_PROPERTY("ServiceWatchdogs", "b", bus_property_get_bool, bus_property_set_bool, offsetof(Manager, service_watchdogs), 0),
2737         SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Manager, cgroup_root), 0),
2738         SD_BUS_PROPERTY("SystemState", "s", property_get_system_state, 0, 0),
2739         SD_BUS_PROPERTY("ExitCode", "y", bus_property_get_unsigned, offsetof(Manager, return_value), 0),
2740         SD_BUS_PROPERTY("DefaultTimerAccuracyUSec", "t", bus_property_get_usec, offsetof(Manager, default_timer_accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2741         SD_BUS_PROPERTY("DefaultTimeoutStartUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2742         SD_BUS_PROPERTY("DefaultTimeoutStopUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2743         SD_BUS_PROPERTY("DefaultTimeoutAbortUSec", "t", property_get_default_timeout_abort_usec, 0, 0),
2744         SD_BUS_PROPERTY("DefaultDeviceTimeoutUSec", "t", bus_property_get_usec, offsetof(Manager, default_device_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2745         SD_BUS_PROPERTY("DefaultRestartUSec", "t", bus_property_get_usec, offsetof(Manager, default_restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2746         SD_BUS_PROPERTY("DefaultStartLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST),
2747         /* The following two items are obsolete alias */
2748         SD_BUS_PROPERTY("DefaultStartLimitIntervalSec", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
2749         SD_BUS_PROPERTY("DefaultStartLimitInterval", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
2750         SD_BUS_PROPERTY("DefaultStartLimitBurst", "u", bus_property_get_unsigned, offsetof(Manager, default_start_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST),
2751         SD_BUS_PROPERTY("DefaultCPUAccounting", "b", bus_property_get_bool, offsetof(Manager, default_cpu_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2752         SD_BUS_PROPERTY("DefaultBlockIOAccounting", "b", bus_property_get_bool, offsetof(Manager, default_blockio_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2753         SD_BUS_PROPERTY("DefaultMemoryAccounting", "b", bus_property_get_bool, offsetof(Manager, default_memory_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2754         SD_BUS_PROPERTY("DefaultTasksAccounting", "b", bus_property_get_bool, offsetof(Manager, default_tasks_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2755         SD_BUS_PROPERTY("DefaultLimitCPU", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
2756         SD_BUS_PROPERTY("DefaultLimitCPUSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
2757         SD_BUS_PROPERTY("DefaultLimitFSIZE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
2758         SD_BUS_PROPERTY("DefaultLimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
2759         SD_BUS_PROPERTY("DefaultLimitDATA", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
2760         SD_BUS_PROPERTY("DefaultLimitDATASoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
2761         SD_BUS_PROPERTY("DefaultLimitSTACK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
2762         SD_BUS_PROPERTY("DefaultLimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
2763         SD_BUS_PROPERTY("DefaultLimitCORE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
2764         SD_BUS_PROPERTY("DefaultLimitCORESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
2765         SD_BUS_PROPERTY("DefaultLimitRSS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
2766         SD_BUS_PROPERTY("DefaultLimitRSSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
2767         SD_BUS_PROPERTY("DefaultLimitNOFILE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
2768         SD_BUS_PROPERTY("DefaultLimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
2769         SD_BUS_PROPERTY("DefaultLimitAS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
2770         SD_BUS_PROPERTY("DefaultLimitASSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
2771         SD_BUS_PROPERTY("DefaultLimitNPROC", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
2772         SD_BUS_PROPERTY("DefaultLimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
2773         SD_BUS_PROPERTY("DefaultLimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
2774         SD_BUS_PROPERTY("DefaultLimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
2775         SD_BUS_PROPERTY("DefaultLimitLOCKS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
2776         SD_BUS_PROPERTY("DefaultLimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
2777         SD_BUS_PROPERTY("DefaultLimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
2778         SD_BUS_PROPERTY("DefaultLimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
2779         SD_BUS_PROPERTY("DefaultLimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
2780         SD_BUS_PROPERTY("DefaultLimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
2781         SD_BUS_PROPERTY("DefaultLimitNICE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
2782         SD_BUS_PROPERTY("DefaultLimitNICESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
2783         SD_BUS_PROPERTY("DefaultLimitRTPRIO", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
2784         SD_BUS_PROPERTY("DefaultLimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
2785         SD_BUS_PROPERTY("DefaultLimitRTTIME", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
2786         SD_BUS_PROPERTY("DefaultLimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
2787         SD_BUS_PROPERTY("DefaultTasksMax", "t", bus_property_get_tasks_max, offsetof(Manager, default_tasks_max), 0),
2788         SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2789         SD_BUS_PROPERTY("DefaultOOMPolicy", "s", bus_property_get_oom_policy, offsetof(Manager, default_oom_policy), SD_BUS_VTABLE_PROPERTY_CONST),
2790         SD_BUS_PROPERTY("DefaultOOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2791         SD_BUS_PROPERTY("CtrlAltDelBurstAction", "s", bus_property_get_emergency_action, offsetof(Manager, cad_burst_action), SD_BUS_VTABLE_PROPERTY_CONST),
2792
2793         SD_BUS_METHOD_WITH_ARGS("GetUnit",
2794                                 SD_BUS_ARGS("s", name),
2795                                 SD_BUS_RESULT("o", unit),
2796                                 method_get_unit,
2797                                 SD_BUS_VTABLE_UNPRIVILEGED),
2798         SD_BUS_METHOD_WITH_ARGS("GetUnitByPID",
2799                                 SD_BUS_ARGS("u", pid),
2800                                 SD_BUS_RESULT("o", unit),
2801                                 method_get_unit_by_pid,
2802                                 SD_BUS_VTABLE_UNPRIVILEGED),
2803         SD_BUS_METHOD_WITH_ARGS("GetUnitByInvocationID",
2804                                 SD_BUS_ARGS("ay", invocation_id),
2805                                 SD_BUS_RESULT("o", unit),
2806                                 method_get_unit_by_invocation_id,
2807                                 SD_BUS_VTABLE_UNPRIVILEGED),
2808         SD_BUS_METHOD_WITH_ARGS("GetUnitByControlGroup",
2809                                 SD_BUS_ARGS("s", cgroup),
2810                                 SD_BUS_RESULT("o", unit),
2811                                 method_get_unit_by_control_group,
2812                                 SD_BUS_VTABLE_UNPRIVILEGED),
2813         SD_BUS_METHOD_WITH_ARGS("LoadUnit",
2814                                 SD_BUS_ARGS("s", name),
2815                                 SD_BUS_RESULT("o", unit),
2816                                 method_load_unit,
2817                                 SD_BUS_VTABLE_UNPRIVILEGED),
2818         SD_BUS_METHOD_WITH_ARGS("StartUnit",
2819                                 SD_BUS_ARGS("s", name, "s", mode),
2820                                 SD_BUS_RESULT("o", job),
2821                                 method_start_unit,
2822                                 SD_BUS_VTABLE_UNPRIVILEGED),
2823         SD_BUS_METHOD_WITH_ARGS("StartUnitWithFlags",
2824                                 SD_BUS_ARGS("s", name, "s", mode, "t", flags),
2825                                 SD_BUS_RESULT("o", job),
2826                                 method_start_unit,
2827                                 SD_BUS_VTABLE_UNPRIVILEGED),
2828         SD_BUS_METHOD_WITH_ARGS("StartUnitReplace",
2829                                 SD_BUS_ARGS("s", old_unit, "s", new_unit, "s", mode),
2830                                 SD_BUS_RESULT("o", job),
2831                                 method_start_unit_replace,
2832                                 SD_BUS_VTABLE_UNPRIVILEGED),
2833         SD_BUS_METHOD_WITH_ARGS("StopUnit",
2834                                 SD_BUS_ARGS("s", name, "s", mode),
2835                                 SD_BUS_RESULT("o", job),
2836                                 method_stop_unit,
2837                                 SD_BUS_VTABLE_UNPRIVILEGED),
2838         SD_BUS_METHOD_WITH_ARGS("ReloadUnit",
2839                                 SD_BUS_ARGS("s", name, "s", mode),
2840                                 SD_BUS_RESULT("o", job),
2841                                 method_reload_unit,
2842                                 SD_BUS_VTABLE_UNPRIVILEGED),
2843         SD_BUS_METHOD_WITH_ARGS("RestartUnit",
2844                                 SD_BUS_ARGS("s", name, "s", mode),
2845                                 SD_BUS_RESULT("o", job),
2846                                 method_restart_unit,
2847                                 SD_BUS_VTABLE_UNPRIVILEGED),
2848         SD_BUS_METHOD_WITH_ARGS("TryRestartUnit",
2849                                 SD_BUS_ARGS("s", name, "s", mode),
2850                                 SD_BUS_RESULT("o", job),
2851                                 method_try_restart_unit,
2852                                 SD_BUS_VTABLE_UNPRIVILEGED),
2853         SD_BUS_METHOD_WITH_ARGS("ReloadOrRestartUnit",
2854                                 SD_BUS_ARGS("s", name, "s", mode),
2855                                 SD_BUS_RESULT("o", job),
2856                                 method_reload_or_restart_unit,
2857                                 SD_BUS_VTABLE_UNPRIVILEGED),
2858         SD_BUS_METHOD_WITH_ARGS("ReloadOrTryRestartUnit",
2859                                 SD_BUS_ARGS("s", name, "s", mode),
2860                                 SD_BUS_RESULT("o", job),
2861                                 method_reload_or_try_restart_unit,
2862                                 SD_BUS_VTABLE_UNPRIVILEGED),
2863         SD_BUS_METHOD_WITH_ARGS("EnqueueUnitJob",
2864                                 SD_BUS_ARGS("s", name, "s", job_type, "s", job_mode),
2865                                 SD_BUS_RESULT("u", job_id, "o", job_path, "s", unit_id, "o", unit_path, "s", job_type, "a(uosos)", affected_jobs),
2866                                 method_enqueue_unit_job,
2867                                 SD_BUS_VTABLE_UNPRIVILEGED),
2868         SD_BUS_METHOD_WITH_ARGS("KillUnit",
2869                                 SD_BUS_ARGS("s", name, "s", whom, "i", signal),
2870                                 SD_BUS_NO_RESULT,
2871                                 method_kill_unit,
2872                                 SD_BUS_VTABLE_UNPRIVILEGED),
2873         SD_BUS_METHOD_WITH_ARGS("CleanUnit",
2874                                 SD_BUS_ARGS("s", name, "as", mask),
2875                                 SD_BUS_NO_RESULT,
2876                                 method_clean_unit,
2877                                 SD_BUS_VTABLE_UNPRIVILEGED),
2878         SD_BUS_METHOD_WITH_ARGS("FreezeUnit",
2879                                 SD_BUS_ARGS("s", name),
2880                                 SD_BUS_NO_RESULT,
2881                                 method_freeze_unit,
2882                                 SD_BUS_VTABLE_UNPRIVILEGED),
2883         SD_BUS_METHOD_WITH_ARGS("ThawUnit",
2884                                 SD_BUS_ARGS("s", name),
2885                                 SD_BUS_NO_RESULT,
2886                                 method_thaw_unit,
2887                                 SD_BUS_VTABLE_UNPRIVILEGED),
2888         SD_BUS_METHOD_WITH_ARGS("ResetFailedUnit",
2889                                 SD_BUS_ARGS("s", name),
2890                                 SD_BUS_NO_RESULT,
2891                                 method_reset_failed_unit,
2892                                 SD_BUS_VTABLE_UNPRIVILEGED),
2893         SD_BUS_METHOD_WITH_ARGS("SetUnitProperties",
2894                                 SD_BUS_ARGS("s", name, "b", runtime, "a(sv)", properties),
2895                                 SD_BUS_NO_RESULT,
2896                                 method_set_unit_properties,
2897                                 SD_BUS_VTABLE_UNPRIVILEGED),
2898         SD_BUS_METHOD_WITH_ARGS("BindMountUnit",
2899                                 SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir),
2900                                 SD_BUS_NO_RESULT,
2901                                 method_bind_mount_unit,
2902                                 SD_BUS_VTABLE_UNPRIVILEGED),
2903         SD_BUS_METHOD_WITH_ARGS("MountImageUnit",
2904                                 SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir, "a(ss)", options),
2905                                 SD_BUS_NO_RESULT,
2906                                 method_mount_image_unit,
2907                                 SD_BUS_VTABLE_UNPRIVILEGED),
2908         SD_BUS_METHOD_WITH_ARGS("RefUnit",
2909                                 SD_BUS_ARGS("s", name),
2910                                 SD_BUS_NO_RESULT,
2911                                 method_ref_unit,
2912                                 SD_BUS_VTABLE_UNPRIVILEGED),
2913         SD_BUS_METHOD_WITH_ARGS("UnrefUnit",
2914                                 SD_BUS_ARGS("s", name),
2915                                 SD_BUS_NO_RESULT,
2916                                 method_unref_unit,
2917                                 SD_BUS_VTABLE_UNPRIVILEGED),
2918         SD_BUS_METHOD_WITH_ARGS("StartTransientUnit",
2919                                 SD_BUS_ARGS("s", name, "s", mode, "a(sv)", properties, "a(sa(sv))", aux),
2920                                 SD_BUS_RESULT("o", job),
2921                                 method_start_transient_unit,
2922                                 SD_BUS_VTABLE_UNPRIVILEGED),
2923         SD_BUS_METHOD_WITH_ARGS("GetUnitProcesses",
2924                                 SD_BUS_ARGS("s", name),
2925                                 SD_BUS_RESULT("a(sus)", processes),
2926                                 method_get_unit_processes,
2927                                 SD_BUS_VTABLE_UNPRIVILEGED),
2928         SD_BUS_METHOD_WITH_ARGS("AttachProcessesToUnit",
2929                                 SD_BUS_ARGS("s", unit_name, "s", subcgroup, "au", pids),
2930                                 SD_BUS_NO_RESULT,
2931                                 method_attach_processes_to_unit,
2932                                 SD_BUS_VTABLE_UNPRIVILEGED),
2933         SD_BUS_METHOD_WITH_ARGS("AbandonScope",
2934                                 SD_BUS_ARGS("s", name),
2935                                 SD_BUS_NO_RESULT,
2936                                 method_abandon_scope,
2937                                 SD_BUS_VTABLE_UNPRIVILEGED),
2938         SD_BUS_METHOD_WITH_ARGS("GetJob",
2939                                 SD_BUS_ARGS("u", id),
2940                                 SD_BUS_RESULT("o", job),
2941                                 method_get_job,
2942                                 SD_BUS_VTABLE_UNPRIVILEGED),
2943         SD_BUS_METHOD_WITH_ARGS("GetJobAfter",
2944                                 SD_BUS_ARGS("u", id),
2945                                 SD_BUS_RESULT("a(usssoo)", jobs),
2946                                 method_get_job_waiting,
2947                                 SD_BUS_VTABLE_UNPRIVILEGED),
2948         SD_BUS_METHOD_WITH_ARGS("GetJobBefore",
2949                                 SD_BUS_ARGS("u", id),
2950                                 SD_BUS_RESULT("a(usssoo)", jobs),
2951                                 method_get_job_waiting,
2952                                 SD_BUS_VTABLE_UNPRIVILEGED),
2953         SD_BUS_METHOD_WITH_ARGS("CancelJob",
2954                                 SD_BUS_ARGS("u", id),
2955                                 SD_BUS_NO_RESULT,
2956                                 method_cancel_job,
2957                                 SD_BUS_VTABLE_UNPRIVILEGED),
2958         SD_BUS_METHOD("ClearJobs",
2959                       NULL,
2960                       NULL,
2961                       method_clear_jobs,
2962                       SD_BUS_VTABLE_UNPRIVILEGED),
2963         SD_BUS_METHOD("ResetFailed",
2964                       NULL,
2965                       NULL,
2966                       method_reset_failed,
2967                       SD_BUS_VTABLE_UNPRIVILEGED),
2968         SD_BUS_METHOD_WITH_ARGS("SetShowStatus",
2969                                 SD_BUS_ARGS("s", mode),
2970                                 SD_BUS_NO_RESULT,
2971                                 method_set_show_status,
2972                                 SD_BUS_VTABLE_UNPRIVILEGED),
2973         SD_BUS_METHOD_WITH_ARGS("ListUnits",
2974                                 SD_BUS_NO_ARGS,
2975                                 SD_BUS_RESULT("a(ssssssouso)", units),
2976                                 method_list_units,
2977                                 SD_BUS_VTABLE_UNPRIVILEGED),
2978         SD_BUS_METHOD_WITH_ARGS("ListUnitsFiltered",
2979                                 SD_BUS_ARGS("as", states),
2980                                 SD_BUS_RESULT("a(ssssssouso)", units),
2981                                 method_list_units_filtered,
2982                                 SD_BUS_VTABLE_UNPRIVILEGED),
2983         SD_BUS_METHOD_WITH_ARGS("ListUnitsByPatterns",
2984                                 SD_BUS_ARGS("as", states, "as", patterns),
2985                                 SD_BUS_RESULT("a(ssssssouso)", units),
2986                                 method_list_units_by_patterns,
2987                                 SD_BUS_VTABLE_UNPRIVILEGED),
2988         SD_BUS_METHOD_WITH_ARGS("ListUnitsByNames",
2989                                 SD_BUS_ARGS("as", names),
2990                                 SD_BUS_RESULT("a(ssssssouso)", units),
2991                                 method_list_units_by_names,
2992                                 SD_BUS_VTABLE_UNPRIVILEGED),
2993         SD_BUS_METHOD_WITH_ARGS("ListJobs",
2994                                 SD_BUS_NO_ARGS,
2995                                 SD_BUS_RESULT("a(usssoo)", jobs),
2996                                 method_list_jobs,
2997                                 SD_BUS_VTABLE_UNPRIVILEGED),
2998         SD_BUS_METHOD("Subscribe",
2999                       NULL,
3000                       NULL,
3001                       method_subscribe,
3002                       SD_BUS_VTABLE_UNPRIVILEGED),
3003         SD_BUS_METHOD("Unsubscribe",
3004                       NULL,
3005                       NULL,
3006                       method_unsubscribe,
3007                       SD_BUS_VTABLE_UNPRIVILEGED),
3008         SD_BUS_METHOD_WITH_ARGS("Dump",
3009                                 SD_BUS_NO_ARGS,
3010                                 SD_BUS_RESULT("s", output),
3011                                 method_dump,
3012                                 SD_BUS_VTABLE_UNPRIVILEGED),
3013         SD_BUS_METHOD_WITH_ARGS("DumpByFileDescriptor",
3014                                 SD_BUS_NO_ARGS,
3015                                 SD_BUS_RESULT("h", fd),
3016                                 method_dump_by_fd,
3017                                 SD_BUS_VTABLE_UNPRIVILEGED),
3018         SD_BUS_METHOD_WITH_ARGS("CreateSnapshot",
3019                                 SD_BUS_ARGS("s", name, "b", cleanup),
3020                                 SD_BUS_RESULT("o", unit),
3021                                 method_refuse_snapshot,
3022                                 SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
3023         SD_BUS_METHOD_WITH_ARGS("RemoveSnapshot",
3024                                 SD_BUS_ARGS("s", name),
3025                                 SD_BUS_NO_RESULT,
3026                                 method_refuse_snapshot,
3027                                 SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
3028         SD_BUS_METHOD("Reload",
3029                       NULL,
3030                       NULL,
3031                       method_reload,
3032                       SD_BUS_VTABLE_UNPRIVILEGED),
3033         SD_BUS_METHOD("Reexecute",
3034                       NULL,
3035                       NULL,
3036                       method_reexecute,
3037                       SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_METHOD_NO_REPLY),
3038         SD_BUS_METHOD("Exit",
3039                       NULL,
3040                       NULL,
3041                       method_exit,
3042                       0),
3043         SD_BUS_METHOD("Reboot",
3044                       NULL,
3045                       NULL,
3046                       method_reboot,
3047                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3048         SD_BUS_METHOD("PowerOff",
3049                       NULL,
3050                       NULL,
3051                       method_poweroff,
3052                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3053         SD_BUS_METHOD("Halt",
3054                       NULL,
3055                       NULL,
3056                       method_halt,
3057                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3058         SD_BUS_METHOD("KExec",
3059                       NULL,
3060                       NULL,
3061                       method_kexec,
3062                       SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3063         SD_BUS_METHOD_WITH_ARGS("SwitchRoot",
3064                                 SD_BUS_ARGS("s", new_root, "s", init),
3065                                 SD_BUS_NO_RESULT,
3066                                 method_switch_root,
3067                                 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3068         SD_BUS_METHOD_WITH_ARGS("SetEnvironment",
3069                                 SD_BUS_ARGS("as", assignments),
3070                                 SD_BUS_NO_RESULT,
3071                                 method_set_environment,
3072                                 SD_BUS_VTABLE_UNPRIVILEGED),
3073         SD_BUS_METHOD_WITH_ARGS("UnsetEnvironment",
3074                                 SD_BUS_ARGS("as", names),
3075                                 SD_BUS_NO_RESULT,
3076                                 method_unset_environment,
3077                                 SD_BUS_VTABLE_UNPRIVILEGED),
3078         SD_BUS_METHOD_WITH_ARGS("UnsetAndSetEnvironment",
3079                                 SD_BUS_ARGS("as", names, "as", assignments),
3080                                 SD_BUS_NO_RESULT,
3081                                 method_unset_and_set_environment,
3082                                 SD_BUS_VTABLE_UNPRIVILEGED),
3083         SD_BUS_METHOD_WITH_ARGS("EnqueueMarkedJobs",
3084                                 SD_BUS_NO_ARGS,
3085                                 SD_BUS_RESULT("ao", jobs),
3086                                 method_enqueue_marked_jobs,
3087                                 SD_BUS_VTABLE_UNPRIVILEGED),
3088         SD_BUS_METHOD_WITH_ARGS("ListUnitFiles",
3089                                 SD_BUS_NO_ARGS,
3090                                 SD_BUS_RESULT("a(ss)", unit_files),
3091                                 method_list_unit_files,
3092                                 SD_BUS_VTABLE_UNPRIVILEGED),
3093         SD_BUS_METHOD_WITH_ARGS("ListUnitFilesByPatterns",
3094                                 SD_BUS_ARGS("as", states, "as", patterns),
3095                                 SD_BUS_RESULT("a(ss)", unit_files),
3096                                 method_list_unit_files_by_patterns,
3097                                 SD_BUS_VTABLE_UNPRIVILEGED),
3098         SD_BUS_METHOD_WITH_ARGS("GetUnitFileState",
3099                                 SD_BUS_ARGS("s", file),
3100                                 SD_BUS_RESULT("s", state),
3101                                 method_get_unit_file_state,
3102                                 SD_BUS_VTABLE_UNPRIVILEGED),
3103         SD_BUS_METHOD_WITH_ARGS("EnableUnitFiles",
3104                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3105                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3106                                 method_enable_unit_files,
3107                                 SD_BUS_VTABLE_UNPRIVILEGED),
3108         SD_BUS_METHOD_WITH_ARGS("DisableUnitFiles",
3109                                 SD_BUS_ARGS("as", files, "b", runtime),
3110                                 SD_BUS_RESULT("a(sss)", changes),
3111                                 method_disable_unit_files,
3112                                 SD_BUS_VTABLE_UNPRIVILEGED),
3113         SD_BUS_METHOD_WITH_ARGS("EnableUnitFilesWithFlags",
3114                                 SD_BUS_ARGS("as", files, "t", flags),
3115                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3116                                 method_enable_unit_files_with_flags,
3117                                 SD_BUS_VTABLE_UNPRIVILEGED),
3118         SD_BUS_METHOD_WITH_ARGS("DisableUnitFilesWithFlags",
3119                                 SD_BUS_ARGS("as", files, "t", flags),
3120                                 SD_BUS_RESULT("a(sss)", changes),
3121                                 method_disable_unit_files_with_flags,
3122                                 SD_BUS_VTABLE_UNPRIVILEGED),
3123         SD_BUS_METHOD_WITH_ARGS("ReenableUnitFiles",
3124                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3125                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3126                                 method_reenable_unit_files,
3127                                 SD_BUS_VTABLE_UNPRIVILEGED),
3128         SD_BUS_METHOD_WITH_ARGS("LinkUnitFiles",
3129                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3130                                 SD_BUS_RESULT("a(sss)", changes),
3131                                 method_link_unit_files,
3132                                 SD_BUS_VTABLE_UNPRIVILEGED),
3133         SD_BUS_METHOD_WITH_ARGS("PresetUnitFiles",
3134                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3135                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3136                                 method_preset_unit_files,
3137                                 SD_BUS_VTABLE_UNPRIVILEGED),
3138         SD_BUS_METHOD_WITH_ARGS("PresetUnitFilesWithMode",
3139                                 SD_BUS_ARGS("as", files, "s", mode, "b", runtime, "b", force),
3140                                 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3141                                 method_preset_unit_files_with_mode,
3142                                 SD_BUS_VTABLE_UNPRIVILEGED),
3143         SD_BUS_METHOD_WITH_ARGS("MaskUnitFiles",
3144                                 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3145                                 SD_BUS_RESULT("a(sss)", changes),
3146                                 method_mask_unit_files,
3147                                 SD_BUS_VTABLE_UNPRIVILEGED),
3148         SD_BUS_METHOD_WITH_ARGS("UnmaskUnitFiles",
3149                                 SD_BUS_ARGS("as", files, "b", runtime),
3150                                 SD_BUS_RESULT("a(sss)", changes),
3151                                 method_unmask_unit_files,
3152                                 SD_BUS_VTABLE_UNPRIVILEGED),
3153         SD_BUS_METHOD_WITH_ARGS("RevertUnitFiles",
3154                                 SD_BUS_ARGS("as", files),
3155                                 SD_BUS_RESULT("a(sss)", changes),
3156                                 method_revert_unit_files,
3157                                 SD_BUS_VTABLE_UNPRIVILEGED),
3158         SD_BUS_METHOD_WITH_ARGS("SetDefaultTarget",
3159                                 SD_BUS_ARGS("s", name, "b", force),
3160                                 SD_BUS_RESULT("a(sss)", changes),
3161                                 method_set_default_target,
3162                                 SD_BUS_VTABLE_UNPRIVILEGED),
3163         SD_BUS_METHOD_WITH_ARGS("GetDefaultTarget",
3164                                 SD_BUS_NO_ARGS,
3165                                 SD_BUS_RESULT("s", name),
3166                                 method_get_default_target,
3167                                 SD_BUS_VTABLE_UNPRIVILEGED),
3168         SD_BUS_METHOD_WITH_ARGS("PresetAllUnitFiles",
3169                                 SD_BUS_ARGS("s", mode, "b", runtime, "b", force),
3170                                 SD_BUS_RESULT("a(sss)", changes),
3171                                 method_preset_all_unit_files,
3172                                 SD_BUS_VTABLE_UNPRIVILEGED),
3173         SD_BUS_METHOD_WITH_ARGS("AddDependencyUnitFiles",
3174                                 SD_BUS_ARGS("as", files, "s", target, "s", type, "b", runtime, "b", force),
3175                                 SD_BUS_RESULT("a(sss)", changes),
3176                                 method_add_dependency_unit_files,
3177                                 SD_BUS_VTABLE_UNPRIVILEGED),
3178         SD_BUS_METHOD_WITH_ARGS("GetUnitFileLinks",
3179                                 SD_BUS_ARGS("s", name, "b", runtime),
3180                                 SD_BUS_RESULT("as", links),
3181                                 method_get_unit_file_links,
3182                                 SD_BUS_VTABLE_UNPRIVILEGED),
3183         SD_BUS_METHOD_WITH_ARGS("SetExitCode",
3184                                 SD_BUS_ARGS("y", number),
3185                                 SD_BUS_NO_RESULT,
3186                                 method_set_exit_code,
3187                                 SD_BUS_VTABLE_UNPRIVILEGED),
3188         SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByName",
3189                                 SD_BUS_ARGS("s", name),
3190                                 SD_BUS_RESULT("u", uid),
3191                                 method_lookup_dynamic_user_by_name,
3192                                 SD_BUS_VTABLE_UNPRIVILEGED),
3193         SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByUID",
3194                                 SD_BUS_ARGS("u", uid),
3195                                 SD_BUS_RESULT("s", name),
3196                                 method_lookup_dynamic_user_by_uid,
3197                                 SD_BUS_VTABLE_UNPRIVILEGED),
3198         SD_BUS_METHOD_WITH_ARGS("GetDynamicUsers",
3199                                 SD_BUS_NO_ARGS,
3200                                 SD_BUS_RESULT("a(us)", users),
3201                                 method_get_dynamic_users,
3202                                 SD_BUS_VTABLE_UNPRIVILEGED),
3203
3204         SD_BUS_SIGNAL_WITH_ARGS("UnitNew",
3205                                 SD_BUS_ARGS("s", id, "o", unit),
3206                                 0),
3207         SD_BUS_SIGNAL_WITH_ARGS("UnitRemoved",
3208                                 SD_BUS_ARGS("s", id, "o", unit),
3209                                 0),
3210         SD_BUS_SIGNAL_WITH_ARGS("JobNew",
3211                                 SD_BUS_ARGS("u", id, "o", job, "s", unit),
3212                                 0),
3213         SD_BUS_SIGNAL_WITH_ARGS("JobRemoved",
3214                                 SD_BUS_ARGS("u", id, "o", job, "s", unit, "s", result),
3215                                 0),
3216         SD_BUS_SIGNAL_WITH_ARGS("StartupFinished",
3217                                 SD_BUS_ARGS("t", firmware, "t", loader, "t", kernel, "t", initrd, "t", userspace, "t", total),
3218                                 0),
3219         SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0),
3220         SD_BUS_SIGNAL_WITH_ARGS("Reloading",
3221                                 SD_BUS_ARGS("b", active),
3222                                 0),
3223
3224         SD_BUS_VTABLE_END
3225 };
3226
3227 const sd_bus_vtable bus_manager_log_control_vtable[] = {
3228         SD_BUS_VTABLE_START(0),
3229
3230         /* We define a private version of this interface here, since we want slightly different
3231          * implementations for the setters. We'll still use the generic getters however, and we share the
3232          * setters with the implementations for the Manager interface above (which pre-dates the generic
3233          * service API interface). */
3234
3235         SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0),
3236         SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0),
3237         SD_BUS_PROPERTY("SyslogIdentifier", "s", bus_property_get_syslog_identifier, 0, 0),
3238
3239         SD_BUS_VTABLE_END,
3240 };
3241
3242 static int send_finished(sd_bus *bus, void *userdata) {
3243         _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
3244         usec_t *times = ASSERT_PTR(userdata);
3245         int r;
3246
3247         assert(bus);
3248
3249         r = sd_bus_message_new_signal(bus,
3250                                       &message,
3251                                       "/org/freedesktop/systemd1",
3252                                       "org.freedesktop.systemd1.Manager",
3253                                       "StartupFinished");
3254         if (r < 0)
3255                 return r;
3256
3257         r = sd_bus_message_append(message, "tttttt", times[0], times[1], times[2], times[3], times[4], times[5]);
3258         if (r < 0)
3259                 return r;
3260
3261         return sd_bus_send(bus, message, NULL);
3262 }
3263
3264 void bus_manager_send_finished(
3265                 Manager *m,
3266                 usec_t firmware_usec,
3267                 usec_t loader_usec,
3268                 usec_t kernel_usec,
3269                 usec_t initrd_usec,
3270                 usec_t userspace_usec,
3271                 usec_t total_usec) {
3272
3273         int r;
3274
3275         assert(m);
3276
3277         r = bus_foreach_bus(
3278                         m,
3279                         NULL,
3280                         send_finished,
3281                         (usec_t[6]) {
3282                                 firmware_usec,
3283                                 loader_usec,
3284                                 kernel_usec,
3285                                 initrd_usec,
3286                                 userspace_usec,
3287                                 total_usec
3288                         });
3289         if (r < 0)
3290                 log_debug_errno(r, "Failed to send finished signal: %m");
3291 }
3292
3293 static int send_reloading(sd_bus *bus, void *userdata) {
3294         _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
3295         int r;
3296
3297         assert(bus);
3298
3299         r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading");
3300         if (r < 0)
3301                 return r;
3302
3303         r = sd_bus_message_append(message, "b", PTR_TO_INT(userdata));
3304         if (r < 0)
3305                 return r;
3306
3307         return sd_bus_send(bus, message, NULL);
3308 }
3309
3310 void bus_manager_send_reloading(Manager *m, bool active) {
3311         int r;
3312
3313         assert(m);
3314
3315         r = bus_foreach_bus(m, NULL, send_reloading, INT_TO_PTR(active));
3316         if (r < 0)
3317                 log_debug_errno(r, "Failed to send reloading signal: %m");
3318 }
3319
3320 static int send_changed_signal(sd_bus *bus, void *userdata) {
3321         assert(bus);
3322
3323         return sd_bus_emit_properties_changed_strv(bus,
3324                                                    "/org/freedesktop/systemd1",
3325                                                    "org.freedesktop.systemd1.Manager",
3326                                                    NULL);
3327 }
3328
3329 void bus_manager_send_change_signal(Manager *m) {
3330         int r;
3331
3332         assert(m);
3333
3334         r = bus_foreach_bus(m, NULL, send_changed_signal, NULL);
3335         if (r < 0)
3336                 log_debug_errno(r, "Failed to send manager change signal: %m");
3337 }