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