src/shared/condition.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <errno.h>
   4 #include <fcntl.h>
   5 #include <fnmatch.h>
   6 #include <limits.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <sys/stat.h>
  10 #include <sys/types.h>
  11 #include <sys/utsname.h>
  12 #include <time.h>
  13 #include <unistd.h>
  14
  15 #include "sd-id128.h"
  16
  17 #include "alloc-util.h"
  18 #include "apparmor-util.h"
  19 #include "architecture.h"
  20 #include "audit-util.h"
  21 #include "cap-list.h"
  22 #include "cgroup-util.h"
  23 #include "condition.h"
  24 #include "efivars.h"
  25 #include "extract-word.h"
  26 #include "fd-util.h"
  27 #include "fileio.h"
  28 #include "glob-util.h"
  29 #include "hostname-util.h"
  30 #include "ima-util.h"
  31 #include "list.h"
  32 #include "macro.h"
  33 #include "mountpoint-util.h"
  34 #include "env-file.h"
  35 #include "parse-util.h"
  36 #include "path-util.h"
  37 #include "proc-cmdline.h"
  38 #include "process-util.h"
  39 #include "selinux-util.h"
  40 #include "smack-util.h"
  41 #include "stat-util.h"
  42 #include "string-table.h"
  43 #include "string-util.h"
  44 #include "tomoyo-util.h"
  45 #include "user-util.h"
  46 #include "util.h"
  47 #include "virt.h"
  48
  49 Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
  50         Condition *c;
  51         int r;
  52
  53         assert(type >= 0);
  54         assert(type < _CONDITION_TYPE_MAX);
  55         assert((!parameter) == (type == CONDITION_NULL));
  56
  57         c = new0(Condition, 1);
  58         if (!c)
  59                 return NULL;
  60
  61         c->type = type;
  62         c->trigger = trigger;
  63         c->negate = negate;
  64
  65         r = free_and_strdup(&c->parameter, parameter);
  66         if (r < 0) {
  67                 return mfree(c);
  68         }
  69
  70         return c;
  71 }
  72
  73 void condition_free(Condition *c) {
  74         assert(c);
  75
  76         free(c->parameter);
  77         free(c);
  78 }
  79
  80 Condition* condition_free_list_type(Condition *head, ConditionType type) {
  81         Condition *c, *n;
  82
  83         LIST_FOREACH_SAFE(conditions, c, n, head)
  84                 if (type < 0 || c->type == type) {
  85                         LIST_REMOVE(conditions, head, c);
  86                         condition_free(c);
  87                 }
  88
  89         assert(type >= 0 || !head);
  90         return head;
  91 }
  92
  93 static int condition_test_kernel_command_line(Condition *c) {
  94         _cleanup_free_ char *line = NULL;
  95         const char *p;
  96         bool equal;
  97         int r;
  98
  99         assert(c);
 100         assert(c->parameter);
 101         assert(c->type == CONDITION_KERNEL_COMMAND_LINE);
 102
 103         r = proc_cmdline(&line);
 104         if (r < 0)
 105                 return r;
 106
 107         equal = strchr(c->parameter, '=');
 108
 109         for (p = line;;) {
 110                 _cleanup_free_ char *word = NULL;
 111                 bool found;
 112
 113                 r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX);
 114                 if (r < 0)
 115                         return r;
 116                 if (r == 0)
 117                         break;
 118
 119                 if (equal)
 120                         found = streq(word, c->parameter);
 121                 else {
 122                         const char *f;
 123
 124                         f = startswith(word, c->parameter);
 125                         found = f && IN_SET(*f, 0, '=');
 126                 }
 127
 128                 if (found)
 129                         return true;
 130         }
 131
 132         return false;
 133 }
 134
 135 static int condition_test_kernel_version(Condition *c) {
 136         enum {
 137                 /* Listed in order of checking. Note that some comparators are prefixes of others, hence the longest
 138                  * should be listed first. */
 139                 LOWER_OR_EQUAL,
 140                 GREATER_OR_EQUAL,
 141                 LOWER,
 142                 GREATER,
 143                 EQUAL,
 144                 _ORDER_MAX,
 145         };
 146
 147         static const char *const prefix[_ORDER_MAX] = {
 148                 [LOWER_OR_EQUAL] = "<=",
 149                 [GREATER_OR_EQUAL] = ">=",
 150                 [LOWER] = "<",
 151                 [GREATER] = ">",
 152                 [EQUAL] = "=",
 153         };
 154         const char *p = NULL;
 155         struct utsname u;
 156         size_t i;
 157         int k;
 158
 159         assert(c);
 160         assert(c->parameter);
 161         assert(c->type == CONDITION_KERNEL_VERSION);
 162
 163         assert_se(uname(&u) >= 0);
 164
 165         for (i = 0; i < _ORDER_MAX; i++) {
 166                 p = startswith(c->parameter, prefix[i]);
 167                 if (p)
 168                         break;
 169         }
 170
 171         /* No prefix? Then treat as glob string */
 172         if (!p)
 173                 return fnmatch(skip_leading_chars(c->parameter, NULL), u.release, 0) == 0;
 174
 175         k = str_verscmp(u.release, skip_leading_chars(p, NULL));
 176
 177         switch (i) {
 178
 179         case LOWER:
 180                 return k < 0;
 181
 182         case LOWER_OR_EQUAL:
 183                 return k <= 0;
 184
 185         case EQUAL:
 186                 return k == 0;
 187
 188         case GREATER_OR_EQUAL:
 189                 return k >= 0;
 190
 191         case GREATER:
 192                 return k > 0;
 193
 194         default:
 195                 assert_not_reached("Can't compare");
 196         }
 197 }
 198
 199 static int condition_test_user(Condition *c) {
 200         uid_t id;
 201         int r;
 202         _cleanup_free_ char *username = NULL;
 203         const char *u;
 204
 205         assert(c);
 206         assert(c->parameter);
 207         assert(c->type == CONDITION_USER);
 208
 209         r = parse_uid(c->parameter, &id);
 210         if (r >= 0)
 211                 return id == getuid() || id == geteuid();
 212
 213         if (streq("@system", c->parameter))
 214                 return uid_is_system(getuid()) || uid_is_system(geteuid());
 215
 216         username = getusername_malloc();
 217         if (!username)
 218                 return -ENOMEM;
 219
 220         if (streq(username, c->parameter))
 221                 return 1;
 222
 223         if (getpid_cached() == 1)
 224                 return streq(c->parameter, "root");
 225
 226         u = c->parameter;
 227         r = get_user_creds(&u, &id, NULL, NULL, NULL, USER_CREDS_ALLOW_MISSING);
 228         if (r < 0)
 229                 return 0;
 230
 231         return id == getuid() || id == geteuid();
 232 }
 233
 234 static int condition_test_control_group_controller(Condition *c) {
 235         int r;
 236         CGroupMask system_mask, wanted_mask = 0;
 237
 238         assert(c);
 239         assert(c->parameter);
 240         assert(c->type == CONDITION_CONTROL_GROUP_CONTROLLER);
 241
 242         r = cg_mask_supported(&system_mask);
 243         if (r < 0)
 244                 return log_debug_errno(r, "Failed to determine supported controllers: %m");
 245
 246         r = cg_mask_from_string(c->parameter, &wanted_mask);
 247         if (r < 0 || wanted_mask <= 0) {
 248                 /* This won't catch the case that we have an unknown controller
 249                  * mixed in with valid ones -- these are only assessed on the
 250                  * validity of the valid controllers found. */
 251                 log_debug("Failed to parse cgroup string: %s", c->parameter);
 252                 return 1;
 253         }
 254
 255         return FLAGS_SET(system_mask, wanted_mask);
 256 }
 257
 258 static int condition_test_group(Condition *c) {
 259         gid_t id;
 260         int r;
 261
 262         assert(c);
 263         assert(c->parameter);
 264         assert(c->type == CONDITION_GROUP);
 265
 266         r = parse_gid(c->parameter, &id);
 267         if (r >= 0)
 268                 return in_gid(id);
 269
 270         /* Avoid any NSS lookups if we are PID1 */
 271         if (getpid_cached() == 1)
 272                 return streq(c->parameter, "root");
 273
 274         return in_group(c->parameter) > 0;
 275 }
 276
 277 static int condition_test_virtualization(Condition *c) {
 278         int b, v;
 279
 280         assert(c);
 281         assert(c->parameter);
 282         assert(c->type == CONDITION_VIRTUALIZATION);
 283
 284         if (streq(c->parameter, "private-users"))
 285                 return running_in_userns();
 286
 287         v = detect_virtualization();
 288         if (v < 0)
 289                 return v;
 290
 291         /* First, compare with yes/no */
 292         b = parse_boolean(c->parameter);
 293         if (b >= 0)
 294                 return b == !!v;
 295
 296         /* Then, compare categorization */
 297         if (streq(c->parameter, "vm"))
 298                 return VIRTUALIZATION_IS_VM(v);
 299
 300         if (streq(c->parameter, "container"))
 301                 return VIRTUALIZATION_IS_CONTAINER(v);
 302
 303         /* Finally compare id */
 304         return v != VIRTUALIZATION_NONE && streq(c->parameter, virtualization_to_string(v));
 305 }
 306
 307 static int condition_test_architecture(Condition *c) {
 308         int a, b;
 309
 310         assert(c);
 311         assert(c->parameter);
 312         assert(c->type == CONDITION_ARCHITECTURE);
 313
 314         a = uname_architecture();
 315         if (a < 0)
 316                 return a;
 317
 318         if (streq(c->parameter, "native"))
 319                 b = native_architecture();
 320         else {
 321                 b = architecture_from_string(c->parameter);
 322                 if (b < 0) /* unknown architecture? Then it's definitely not ours */
 323                         return false;
 324         }
 325
 326         return a == b;
 327 }
 328
 329 static int condition_test_host(Condition *c) {
 330         _cleanup_free_ char *h = NULL;
 331         sd_id128_t x, y;
 332         int r;
 333
 334         assert(c);
 335         assert(c->parameter);
 336         assert(c->type == CONDITION_HOST);
 337
 338         if (sd_id128_from_string(c->parameter, &x) >= 0) {
 339
 340                 r = sd_id128_get_machine(&y);
 341                 if (r < 0)
 342                         return r;
 343
 344                 return sd_id128_equal(x, y);
 345         }
 346
 347         h = gethostname_malloc();
 348         if (!h)
 349                 return -ENOMEM;
 350
 351         return fnmatch(c->parameter, h, FNM_CASEFOLD) == 0;
 352 }
 353
 354 static int condition_test_ac_power(Condition *c) {
 355         int r;
 356
 357         assert(c);
 358         assert(c->parameter);
 359         assert(c->type == CONDITION_AC_POWER);
 360
 361         r = parse_boolean(c->parameter);
 362         if (r < 0)
 363                 return r;
 364
 365         return (on_ac_power() != 0) == !!r;
 366 }
 367
 368 static int condition_test_security(Condition *c) {
 369         assert(c);
 370         assert(c->parameter);
 371         assert(c->type == CONDITION_SECURITY);
 372
 373         if (streq(c->parameter, "selinux"))
 374                 return mac_selinux_use();
 375         if (streq(c->parameter, "smack"))
 376                 return mac_smack_use();
 377         if (streq(c->parameter, "apparmor"))
 378                 return mac_apparmor_use();
 379         if (streq(c->parameter, "audit"))
 380                 return use_audit();
 381         if (streq(c->parameter, "ima"))
 382                 return use_ima();
 383         if (streq(c->parameter, "tomoyo"))
 384                 return mac_tomoyo_use();
 385         if (streq(c->parameter, "uefi-secureboot"))
 386                 return is_efi_secure_boot();
 387
 388         return false;
 389 }
 390
 391 static int condition_test_capability(Condition *c) {
 392         unsigned long long capabilities = (unsigned long long) -1;
 393         _cleanup_fclose_ FILE *f = NULL;
 394         int value, r;
 395
 396         assert(c);
 397         assert(c->parameter);
 398         assert(c->type == CONDITION_CAPABILITY);
 399
 400         /* If it's an invalid capability, we don't have it */
 401         value = capability_from_name(c->parameter);
 402         if (value < 0)
 403                 return -EINVAL;
 404
 405         /* If it's a valid capability we default to assume
 406          * that we have it */
 407
 408         f = fopen("/proc/self/status", "re");
 409         if (!f)
 410                 return -errno;
 411
 412         for (;;) {
 413                 _cleanup_free_ char *line = NULL;
 414                 const char *p;
 415
 416                 r = read_line(f, LONG_LINE_MAX, &line);
 417                 if (r < 0)
 418                         return r;
 419                 if (r == 0)
 420                         break;
 421
 422                 p = startswith(line, "CapBnd:");
 423                 if (p) {
 424                         if (sscanf(line+7, "%llx", &capabilities) != 1)
 425                                 return -EIO;
 426
 427                         break;
 428                 }
 429         }
 430
 431         return !!(capabilities & (1ULL << value));
 432 }
 433
 434 static int condition_test_needs_update(Condition *c) {
 435         const char *p;
 436         struct stat usr, other;
 437
 438         assert(c);
 439         assert(c->parameter);
 440         assert(c->type == CONDITION_NEEDS_UPDATE);
 441
 442         /* If the file system is read-only we shouldn't suggest an update */
 443         if (path_is_read_only_fs(c->parameter) > 0)
 444                 return false;
 445
 446         /* Any other failure means we should allow the condition to be true,
 447          * so that we rather invoke too many update tools than too
 448          * few. */
 449
 450         if (!path_is_absolute(c->parameter))
 451                 return true;
 452
 453         p = strjoina(c->parameter, "/.updated");
 454         if (lstat(p, &other) < 0)
 455                 return true;
 456
 457         if (lstat("/usr/", &usr) < 0)
 458                 return true;
 459
 460         /*
 461          * First, compare seconds as they are always accurate...
 462          */
 463         if (usr.st_mtim.tv_sec != other.st_mtim.tv_sec)
 464                 return usr.st_mtim.tv_sec > other.st_mtim.tv_sec;
 465
 466         /*
 467          * ...then compare nanoseconds.
 468          *
 469          * A false positive is only possible when /usr's nanoseconds > 0
 470          * (otherwise /usr cannot be strictly newer than the target file)
 471          * AND the target file's nanoseconds == 0
 472          * (otherwise the filesystem supports nsec timestamps, see stat(2)).
 473          */
 474         if (usr.st_mtim.tv_nsec > 0 && other.st_mtim.tv_nsec == 0) {
 475                 _cleanup_free_ char *timestamp_str = NULL;
 476                 uint64_t timestamp;
 477                 int r;
 478
 479                 r = parse_env_file(NULL, p, "TIMESTAMP_NSEC", &timestamp_str);
 480                 if (r < 0) {
 481                         log_error_errno(r, "Failed to parse timestamp file '%s', using mtime: %m", p);
 482                         return true;
 483                 } else if (r == 0) {
 484                         log_debug("No data in timestamp file '%s', using mtime", p);
 485                         return true;
 486                 }
 487
 488                 r = safe_atou64(timestamp_str, &timestamp);
 489                 if (r < 0) {
 490                         log_error_errno(r, "Failed to parse timestamp value '%s' in file '%s', using mtime: %m", timestamp_str, p);
 491                         return true;
 492                 }
 493
 494                 timespec_store(&other.st_mtim, timestamp);
 495         }
 496
 497         return usr.st_mtim.tv_nsec > other.st_mtim.tv_nsec;
 498 }
 499
 500 static int condition_test_first_boot(Condition *c) {
 501         int r;
 502
 503         assert(c);
 504         assert(c->parameter);
 505         assert(c->type == CONDITION_FIRST_BOOT);
 506
 507         r = parse_boolean(c->parameter);
 508         if (r < 0)
 509                 return r;
 510
 511         return (access("/run/systemd/first-boot", F_OK) >= 0) == !!r;
 512 }
 513
 514 static int condition_test_path_exists(Condition *c) {
 515         assert(c);
 516         assert(c->parameter);
 517         assert(c->type == CONDITION_PATH_EXISTS);
 518
 519         return access(c->parameter, F_OK) >= 0;
 520 }
 521
 522 static int condition_test_path_exists_glob(Condition *c) {
 523         assert(c);
 524         assert(c->parameter);
 525         assert(c->type == CONDITION_PATH_EXISTS_GLOB);
 526
 527         return glob_exists(c->parameter) > 0;
 528 }
 529
 530 static int condition_test_path_is_directory(Condition *c) {
 531         assert(c);
 532         assert(c->parameter);
 533         assert(c->type == CONDITION_PATH_IS_DIRECTORY);
 534
 535         return is_dir(c->parameter, true) > 0;
 536 }
 537
 538 static int condition_test_path_is_symbolic_link(Condition *c) {
 539         assert(c);
 540         assert(c->parameter);
 541         assert(c->type == CONDITION_PATH_IS_SYMBOLIC_LINK);
 542
 543         return is_symlink(c->parameter) > 0;
 544 }
 545
 546 static int condition_test_path_is_mount_point(Condition *c) {
 547         assert(c);
 548         assert(c->parameter);
 549         assert(c->type == CONDITION_PATH_IS_MOUNT_POINT);
 550
 551         return path_is_mount_point(c->parameter, NULL, AT_SYMLINK_FOLLOW) > 0;
 552 }
 553
 554 static int condition_test_path_is_read_write(Condition *c) {
 555         assert(c);
 556         assert(c->parameter);
 557         assert(c->type == CONDITION_PATH_IS_READ_WRITE);
 558
 559         return path_is_read_only_fs(c->parameter) <= 0;
 560 }
 561
 562 static int condition_test_directory_not_empty(Condition *c) {
 563         int r;
 564
 565         assert(c);
 566         assert(c->parameter);
 567         assert(c->type == CONDITION_DIRECTORY_NOT_EMPTY);
 568
 569         r = dir_is_empty(c->parameter);
 570         return r <= 0 && r != -ENOENT;
 571 }
 572
 573 static int condition_test_file_not_empty(Condition *c) {
 574         struct stat st;
 575
 576         assert(c);
 577         assert(c->parameter);
 578         assert(c->type == CONDITION_FILE_NOT_EMPTY);
 579
 580         return (stat(c->parameter, &st) >= 0 &&
 581                 S_ISREG(st.st_mode) &&
 582                 st.st_size > 0);
 583 }
 584
 585 static int condition_test_file_is_executable(Condition *c) {
 586         struct stat st;
 587
 588         assert(c);
 589         assert(c->parameter);
 590         assert(c->type == CONDITION_FILE_IS_EXECUTABLE);
 591
 592         return (stat(c->parameter, &st) >= 0 &&
 593                 S_ISREG(st.st_mode) &&
 594                 (st.st_mode & 0111));
 595 }
 596
 597 static int condition_test_null(Condition *c) {
 598         assert(c);
 599         assert(c->type == CONDITION_NULL);
 600
 601         /* Note that during parsing we already evaluate the string and
 602          * store it in c->negate */
 603         return true;
 604 }
 605
 606 int condition_test(Condition *c) {
 607
 608         static int (*const condition_tests[_CONDITION_TYPE_MAX])(Condition *c) = {
 609                 [CONDITION_PATH_EXISTS] = condition_test_path_exists,
 610                 [CONDITION_PATH_EXISTS_GLOB] = condition_test_path_exists_glob,
 611                 [CONDITION_PATH_IS_DIRECTORY] = condition_test_path_is_directory,
 612                 [CONDITION_PATH_IS_SYMBOLIC_LINK] = condition_test_path_is_symbolic_link,
 613                 [CONDITION_PATH_IS_MOUNT_POINT] = condition_test_path_is_mount_point,
 614                 [CONDITION_PATH_IS_READ_WRITE] = condition_test_path_is_read_write,
 615                 [CONDITION_DIRECTORY_NOT_EMPTY] = condition_test_directory_not_empty,
 616                 [CONDITION_FILE_NOT_EMPTY] = condition_test_file_not_empty,
 617                 [CONDITION_FILE_IS_EXECUTABLE] = condition_test_file_is_executable,
 618                 [CONDITION_KERNEL_COMMAND_LINE] = condition_test_kernel_command_line,
 619                 [CONDITION_KERNEL_VERSION] = condition_test_kernel_version,
 620                 [CONDITION_VIRTUALIZATION] = condition_test_virtualization,
 621                 [CONDITION_SECURITY] = condition_test_security,
 622                 [CONDITION_CAPABILITY] = condition_test_capability,
 623                 [CONDITION_HOST] = condition_test_host,
 624                 [CONDITION_AC_POWER] = condition_test_ac_power,
 625                 [CONDITION_ARCHITECTURE] = condition_test_architecture,
 626                 [CONDITION_NEEDS_UPDATE] = condition_test_needs_update,
 627                 [CONDITION_FIRST_BOOT] = condition_test_first_boot,
 628                 [CONDITION_USER] = condition_test_user,
 629                 [CONDITION_GROUP] = condition_test_group,
 630                 [CONDITION_CONTROL_GROUP_CONTROLLER] = condition_test_control_group_controller,
 631                 [CONDITION_NULL] = condition_test_null,
 632         };
 633
 634         int r, b;
 635
 636         assert(c);
 637         assert(c->type >= 0);
 638         assert(c->type < _CONDITION_TYPE_MAX);
 639
 640         r = condition_tests[c->type](c);
 641         if (r < 0) {
 642                 c->result = CONDITION_ERROR;
 643                 return r;
 644         }
 645
 646         b = (r > 0) == !c->negate;
 647         c->result = b ? CONDITION_SUCCEEDED : CONDITION_FAILED;
 648         return b;
 649 }
 650
 651 bool condition_test_list(Condition *first, const char *(*to_string)(ConditionType t), condition_test_logger_t logger, void *userdata) {
 652         Condition *c;
 653         int triggered = -1;
 654
 655         assert(!!logger == !!to_string);
 656
 657         /* If the condition list is empty, then it is true */
 658         if (!first)
 659                 return true;
 660
 661         /* Otherwise, if all of the non-trigger conditions apply and
 662          * if any of the trigger conditions apply (unless there are
 663          * none) we return true */
 664         LIST_FOREACH(conditions, c, first) {
 665                 int r;
 666
 667                 r = condition_test(c);
 668
 669                 if (logger) {
 670                         if (r < 0)
 671                                 logger(userdata, LOG_WARNING, r, __FILE__, __LINE__, __func__,
 672                                        "Couldn't determine result for %s=%s%s%s, assuming failed: %m",
 673                                        to_string(c->type),
 674                                        c->trigger ? "|" : "",
 675                                        c->negate ? "!" : "",
 676                                        c->parameter);
 677                         else
 678                                 logger(userdata, LOG_DEBUG, 0, __FILE__, __LINE__, __func__,
 679                                        "%s=%s%s%s %s.",
 680                                        to_string(c->type),
 681                                        c->trigger ? "|" : "",
 682                                        c->negate ? "!" : "",
 683                                        c->parameter,
 684                                        condition_result_to_string(c->result));
 685                 }
 686
 687                 if (!c->trigger && r <= 0)
 688                         return false;
 689
 690                 if (c->trigger && triggered <= 0)
 691                         triggered = r > 0;
 692         }
 693
 694         return triggered != 0;
 695 }
 696
 697 void condition_dump(Condition *c, FILE *f, const char *prefix, const char *(*to_string)(ConditionType t)) {
 698         assert(c);
 699         assert(f);
 700
 701         prefix = strempty(prefix);
 702
 703         fprintf(f,
 704                 "%s\t%s: %s%s%s %s\n",
 705                 prefix,
 706                 to_string(c->type),
 707                 c->trigger ? "|" : "",
 708                 c->negate ? "!" : "",
 709                 c->parameter,
 710                 condition_result_to_string(c->result));
 711 }
 712
 713 void condition_dump_list(Condition *first, FILE *f, const char *prefix, const char *(*to_string)(ConditionType t)) {
 714         Condition *c;
 715
 716         LIST_FOREACH(conditions, c, first)
 717                 condition_dump(c, f, prefix, to_string);
 718 }
 719
 720 static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
 721         [CONDITION_ARCHITECTURE] = "ConditionArchitecture",
 722         [CONDITION_VIRTUALIZATION] = "ConditionVirtualization",
 723         [CONDITION_HOST] = "ConditionHost",
 724         [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
 725         [CONDITION_KERNEL_VERSION] = "ConditionKernelVersion",
 726         [CONDITION_SECURITY] = "ConditionSecurity",
 727         [CONDITION_CAPABILITY] = "ConditionCapability",
 728         [CONDITION_AC_POWER] = "ConditionACPower",
 729         [CONDITION_NEEDS_UPDATE] = "ConditionNeedsUpdate",
 730         [CONDITION_FIRST_BOOT] = "ConditionFirstBoot",
 731         [CONDITION_PATH_EXISTS] = "ConditionPathExists",
 732         [CONDITION_PATH_EXISTS_GLOB] = "ConditionPathExistsGlob",
 733         [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory",
 734         [CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink",
 735         [CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint",
 736         [CONDITION_PATH_IS_READ_WRITE] = "ConditionPathIsReadWrite",
 737         [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty",
 738         [CONDITION_FILE_NOT_EMPTY] = "ConditionFileNotEmpty",
 739         [CONDITION_FILE_IS_EXECUTABLE] = "ConditionFileIsExecutable",
 740         [CONDITION_USER] = "ConditionUser",
 741         [CONDITION_GROUP] = "ConditionGroup",
 742         [CONDITION_CONTROL_GROUP_CONTROLLER] = "ConditionControlGroupController",
 743         [CONDITION_NULL] = "ConditionNull"
 744 };
 745
 746 DEFINE_STRING_TABLE_LOOKUP(condition_type, ConditionType);
 747
 748 static const char* const assert_type_table[_CONDITION_TYPE_MAX] = {
 749         [CONDITION_ARCHITECTURE] = "AssertArchitecture",
 750         [CONDITION_VIRTUALIZATION] = "AssertVirtualization",
 751         [CONDITION_HOST] = "AssertHost",
 752         [CONDITION_KERNEL_COMMAND_LINE] = "AssertKernelCommandLine",
 753         [CONDITION_KERNEL_VERSION] = "AssertKernelVersion",
 754         [CONDITION_SECURITY] = "AssertSecurity",
 755         [CONDITION_CAPABILITY] = "AssertCapability",
 756         [CONDITION_AC_POWER] = "AssertACPower",
 757         [CONDITION_NEEDS_UPDATE] = "AssertNeedsUpdate",
 758         [CONDITION_FIRST_BOOT] = "AssertFirstBoot",
 759         [CONDITION_PATH_EXISTS] = "AssertPathExists",
 760         [CONDITION_PATH_EXISTS_GLOB] = "AssertPathExistsGlob",
 761         [CONDITION_PATH_IS_DIRECTORY] = "AssertPathIsDirectory",
 762         [CONDITION_PATH_IS_SYMBOLIC_LINK] = "AssertPathIsSymbolicLink",
 763         [CONDITION_PATH_IS_MOUNT_POINT] = "AssertPathIsMountPoint",
 764         [CONDITION_PATH_IS_READ_WRITE] = "AssertPathIsReadWrite",
 765         [CONDITION_DIRECTORY_NOT_EMPTY] = "AssertDirectoryNotEmpty",
 766         [CONDITION_FILE_NOT_EMPTY] = "AssertFileNotEmpty",
 767         [CONDITION_FILE_IS_EXECUTABLE] = "AssertFileIsExecutable",
 768         [CONDITION_USER] = "AssertUser",
 769         [CONDITION_GROUP] = "AssertGroup",
 770         [CONDITION_CONTROL_GROUP_CONTROLLER] = "AssertControlGroupController",
 771         [CONDITION_NULL] = "AssertNull"
 772 };
 773
 774 DEFINE_STRING_TABLE_LOOKUP(assert_type, ConditionType);
 775
 776 static const char* const condition_result_table[_CONDITION_RESULT_MAX] = {
 777         [CONDITION_UNTESTED] = "untested",
 778         [CONDITION_SUCCEEDED] = "succeeded",
 779         [CONDITION_FAILED] = "failed",
 780         [CONDITION_ERROR] = "error",
 781 };
 782
 783 DEFINE_STRING_TABLE_LOOKUP(condition_result, ConditionResult);