src/shared/condition.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2010 Lennart Poettering
   4 ***/
   5
   6 #include <errno.h>
   7 #include <fcntl.h>
   8 #include <fnmatch.h>
   9 #include <limits.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <sys/stat.h>
  13 #include <sys/types.h>
  14 #include <sys/utsname.h>
  15 #include <time.h>
  16 #include <unistd.h>
  17
  18 #include "sd-id128.h"
  19
  20 #include "alloc-util.h"
  21 #include "apparmor-util.h"
  22 #include "architecture.h"
  23 #include "audit-util.h"
  24 #include "cap-list.h"
  25 #include "cgroup-util.h"
  26 #include "condition.h"
  27 #include "extract-word.h"
  28 #include "fd-util.h"
  29 #include "fileio.h"
  30 #include "glob-util.h"
  31 #include "hostname-util.h"
  32 #include "ima-util.h"
  33 #include "list.h"
  34 #include "macro.h"
  35 #include "mount-util.h"
  36 #include "parse-util.h"
  37 #include "path-util.h"
  38 #include "proc-cmdline.h"
  39 #include "process-util.h"
  40 #include "selinux-util.h"
  41 #include "smack-util.h"
  42 #include "stat-util.h"
  43 #include "string-table.h"
  44 #include "string-util.h"
  45 #include "tomoyo-util.h"
  46 #include "user-util.h"
  47 #include "util.h"
  48 #include "virt.h"
  49
  50 Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
  51         Condition *c;
  52         int r;
  53
  54         assert(type >= 0);
  55         assert(type < _CONDITION_TYPE_MAX);
  56         assert((!parameter) == (type == CONDITION_NULL));
  57
  58         c = new0(Condition, 1);
  59         if (!c)
  60                 return NULL;
  61
  62         c->type = type;
  63         c->trigger = trigger;
  64         c->negate = negate;
  65
  66         r = free_and_strdup(&c->parameter, parameter);
  67         if (r < 0) {
  68                 return mfree(c);
  69         }
  70
  71         return c;
  72 }
  73
  74 void condition_free(Condition *c) {
  75         assert(c);
  76
  77         free(c->parameter);
  78         free(c);
  79 }
  80
  81 Condition* condition_free_list(Condition *first) {
  82         Condition *c, *n;
  83
  84         LIST_FOREACH_SAFE(conditions, c, n, first)
  85                 condition_free(c);
  86
  87         return NULL;
  88 }
  89
  90 static int condition_test_kernel_command_line(Condition *c) {
  91         _cleanup_free_ char *line = NULL;
  92         const char *p;
  93         bool equal;
  94         int r;
  95
  96         assert(c);
  97         assert(c->parameter);
  98         assert(c->type == CONDITION_KERNEL_COMMAND_LINE);
  99
 100         r = proc_cmdline(&line);
 101         if (r < 0)
 102                 return r;
 103
 104         equal = strchr(c->parameter, '=');
 105
 106         for (p = line;;) {
 107                 _cleanup_free_ char *word = NULL;
 108                 bool found;
 109
 110                 r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX);
 111                 if (r < 0)
 112                         return r;
 113                 if (r == 0)
 114                         break;
 115
 116                 if (equal)
 117                         found = streq(word, c->parameter);
 118                 else {
 119                         const char *f;
 120
 121                         f = startswith(word, c->parameter);
 122                         found = f && IN_SET(*f, 0, '=');
 123                 }
 124
 125                 if (found)
 126                         return true;
 127         }
 128
 129         return false;
 130 }
 131
 132 static int condition_test_kernel_version(Condition *c) {
 133         enum {
 134                 /* Listed in order of checking. Note that some comparators are prefixes of others, hence the longest
 135                  * should be listed first. */
 136                 LOWER_OR_EQUAL,
 137                 GREATER_OR_EQUAL,
 138                 LOWER,
 139                 GREATER,
 140                 EQUAL,
 141                 _ORDER_MAX,
 142         };
 143
 144         static const char *const prefix[_ORDER_MAX] = {
 145                 [LOWER_OR_EQUAL] = "<=",
 146                 [GREATER_OR_EQUAL] = ">=",
 147                 [LOWER] = "<",
 148                 [GREATER] = ">",
 149                 [EQUAL] = "=",
 150         };
 151         const char *p = NULL;
 152         struct utsname u;
 153         size_t i;
 154         int k;
 155
 156         assert(c);
 157         assert(c->parameter);
 158         assert(c->type == CONDITION_KERNEL_VERSION);
 159
 160         assert_se(uname(&u) >= 0);
 161
 162         for (i = 0; i < _ORDER_MAX; i++) {
 163                 p = startswith(c->parameter, prefix[i]);
 164                 if (p)
 165                         break;
 166         }
 167
 168         /* No prefix? Then treat as glob string */
 169         if (!p)
 170                 return fnmatch(skip_leading_chars(c->parameter, NULL), u.release, 0) == 0;
 171
 172         k = str_verscmp(u.release, skip_leading_chars(p, NULL));
 173
 174         switch (i) {
 175
 176         case LOWER:
 177                 return k < 0;
 178
 179         case LOWER_OR_EQUAL:
 180                 return k <= 0;
 181
 182         case EQUAL:
 183                 return k == 0;
 184
 185         case GREATER_OR_EQUAL:
 186                 return k >= 0;
 187
 188         case GREATER:
 189                 return k > 0;
 190
 191         default:
 192                 assert_not_reached("Can't compare");
 193         }
 194 }
 195
 196 static int condition_test_user(Condition *c) {
 197         uid_t id;
 198         int r;
 199         _cleanup_free_ char *username = NULL;
 200         const char *u;
 201
 202         assert(c);
 203         assert(c->parameter);
 204         assert(c->type == CONDITION_USER);
 205
 206         r = parse_uid(c->parameter, &id);
 207         if (r >= 0)
 208                 return id == getuid() || id == geteuid();
 209
 210         if (streq("@system", c->parameter))
 211                 return uid_is_system(getuid()) || uid_is_system(geteuid());
 212
 213         username = getusername_malloc();
 214         if (!username)
 215                 return -ENOMEM;
 216
 217         if (streq(username, c->parameter))
 218                 return 1;
 219
 220         if (getpid_cached() == 1)
 221                 return streq(c->parameter, "root");
 222
 223         u = c->parameter;
 224         r = get_user_creds(&u, &id, NULL, NULL, NULL);
 225         if (r < 0)
 226                 return 0;
 227
 228         return id == getuid() || id == geteuid();
 229 }
 230
 231 static int condition_test_control_group_controller(Condition *c) {
 232         int r;
 233         CGroupMask system_mask, wanted_mask = 0;
 234
 235         assert(c);
 236         assert(c->parameter);
 237         assert(c->type == CONDITION_CONTROL_GROUP_CONTROLLER);
 238
 239         r = cg_mask_supported(&system_mask);
 240         if (r < 0)
 241                 return log_debug_errno(r, "Failed to determine supported controllers: %m");
 242
 243         r = cg_mask_from_string(c->parameter, &wanted_mask);
 244         if (r < 0 || wanted_mask <= 0) {
 245                 /* This won't catch the case that we have an unknown controller
 246                  * mixed in with valid ones -- these are only assessed on the
 247                  * validity of the valid controllers found. */
 248                 log_debug("Failed to parse cgroup string: %s", c->parameter);
 249                 return 1;
 250         }
 251
 252         return FLAGS_SET(system_mask, wanted_mask);
 253 }
 254
 255 static int condition_test_group(Condition *c) {
 256         gid_t id;
 257         int r;
 258
 259         assert(c);
 260         assert(c->parameter);
 261         assert(c->type == CONDITION_GROUP);
 262
 263         r = parse_gid(c->parameter, &id);
 264         if (r >= 0)
 265                 return in_gid(id);
 266
 267         /* Avoid any NSS lookups if we are PID1 */
 268         if (getpid_cached() == 1)
 269                 return streq(c->parameter, "root");
 270
 271         return in_group(c->parameter) > 0;
 272 }
 273
 274 static int condition_test_virtualization(Condition *c) {
 275         int b, v;
 276
 277         assert(c);
 278         assert(c->parameter);
 279         assert(c->type == CONDITION_VIRTUALIZATION);
 280
 281         if (streq(c->parameter, "private-users"))
 282                 return running_in_userns();
 283
 284         v = detect_virtualization();
 285         if (v < 0)
 286                 return v;
 287
 288         /* First, compare with yes/no */
 289         b = parse_boolean(c->parameter);
 290         if (b >= 0)
 291                 return b == !!v;
 292
 293         /* Then, compare categorization */
 294         if (streq(c->parameter, "vm"))
 295                 return VIRTUALIZATION_IS_VM(v);
 296
 297         if (streq(c->parameter, "container"))
 298                 return VIRTUALIZATION_IS_CONTAINER(v);
 299
 300         /* Finally compare id */
 301         return v != VIRTUALIZATION_NONE && streq(c->parameter, virtualization_to_string(v));
 302 }
 303
 304 static int condition_test_architecture(Condition *c) {
 305         int a, b;
 306
 307         assert(c);
 308         assert(c->parameter);
 309         assert(c->type == CONDITION_ARCHITECTURE);
 310
 311         a = uname_architecture();
 312         if (a < 0)
 313                 return a;
 314
 315         if (streq(c->parameter, "native"))
 316                 b = native_architecture();
 317         else {
 318                 b = architecture_from_string(c->parameter);
 319                 if (b < 0) /* unknown architecture? Then it's definitely not ours */
 320                         return false;
 321         }
 322
 323         return a == b;
 324 }
 325
 326 static int condition_test_host(Condition *c) {
 327         _cleanup_free_ char *h = NULL;
 328         sd_id128_t x, y;
 329         int r;
 330
 331         assert(c);
 332         assert(c->parameter);
 333         assert(c->type == CONDITION_HOST);
 334
 335         if (sd_id128_from_string(c->parameter, &x) >= 0) {
 336
 337                 r = sd_id128_get_machine(&y);
 338                 if (r < 0)
 339                         return r;
 340
 341                 return sd_id128_equal(x, y);
 342         }
 343
 344         h = gethostname_malloc();
 345         if (!h)
 346                 return -ENOMEM;
 347
 348         return fnmatch(c->parameter, h, FNM_CASEFOLD) == 0;
 349 }
 350
 351 static int condition_test_ac_power(Condition *c) {
 352         int r;
 353
 354         assert(c);
 355         assert(c->parameter);
 356         assert(c->type == CONDITION_AC_POWER);
 357
 358         r = parse_boolean(c->parameter);
 359         if (r < 0)
 360                 return r;
 361
 362         return (on_ac_power() != 0) == !!r;
 363 }
 364
 365 static int condition_test_security(Condition *c) {
 366         assert(c);
 367         assert(c->parameter);
 368         assert(c->type == CONDITION_SECURITY);
 369
 370         if (streq(c->parameter, "selinux"))
 371                 return mac_selinux_use();
 372         if (streq(c->parameter, "smack"))
 373                 return mac_smack_use();
 374         if (streq(c->parameter, "apparmor"))
 375                 return mac_apparmor_use();
 376         if (streq(c->parameter, "audit"))
 377                 return use_audit();
 378         if (streq(c->parameter, "ima"))
 379                 return use_ima();
 380         if (streq(c->parameter, "tomoyo"))
 381                 return mac_tomoyo_use();
 382
 383         return false;
 384 }
 385
 386 static int condition_test_capability(Condition *c) {
 387         _cleanup_fclose_ FILE *f = NULL;
 388         int value;
 389         char line[LINE_MAX];
 390         unsigned long long capabilities = -1;
 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         while (fgets(line, sizeof(line), f)) {
 409                 truncate_nl(line);
 410
 411                 if (startswith(line, "CapBnd:")) {
 412                         (void) sscanf(line+7, "%llx", &capabilities);
 413                         break;
 414                 }
 415         }
 416
 417         return !!(capabilities & (1ULL << value));
 418 }
 419
 420 static int condition_test_needs_update(Condition *c) {
 421         const char *p;
 422         struct stat usr, other;
 423
 424         assert(c);
 425         assert(c->parameter);
 426         assert(c->type == CONDITION_NEEDS_UPDATE);
 427
 428         /* If the file system is read-only we shouldn't suggest an update */
 429         if (path_is_read_only_fs(c->parameter) > 0)
 430                 return false;
 431
 432         /* Any other failure means we should allow the condition to be true,
 433          * so that we rather invoke too many update tools than too
 434          * few. */
 435
 436         if (!path_is_absolute(c->parameter))
 437                 return true;
 438
 439         p = strjoina(c->parameter, "/.updated");
 440         if (lstat(p, &other) < 0)
 441                 return true;
 442
 443         if (lstat("/usr/", &usr) < 0)
 444                 return true;
 445
 446         /*
 447          * First, compare seconds as they are always accurate...
 448          */
 449         if (usr.st_mtim.tv_sec != other.st_mtim.tv_sec)
 450                 return usr.st_mtim.tv_sec > other.st_mtim.tv_sec;
 451
 452         /*
 453          * ...then compare nanoseconds.
 454          *
 455          * A false positive is only possible when /usr's nanoseconds > 0
 456          * (otherwise /usr cannot be strictly newer than the target file)
 457          * AND the target file's nanoseconds == 0
 458          * (otherwise the filesystem supports nsec timestamps, see stat(2)).
 459          */
 460         if (usr.st_mtim.tv_nsec > 0 && other.st_mtim.tv_nsec == 0) {
 461                 _cleanup_free_ char *timestamp_str = NULL;
 462                 uint64_t timestamp;
 463                 int r;
 464
 465                 r = parse_env_file(NULL, p, NULL, "TIMESTAMP_NSEC", &timestamp_str, NULL);
 466                 if (r < 0) {
 467                         log_error_errno(r, "Failed to parse timestamp file '%s', using mtime: %m", p);
 468                         return true;
 469                 } else if (r == 0) {
 470                         log_debug("No data in timestamp file '%s', using mtime", p);
 471                         return true;
 472                 }
 473
 474                 r = safe_atou64(timestamp_str, &timestamp);
 475                 if (r < 0) {
 476                         log_error_errno(r, "Failed to parse timestamp value '%s' in file '%s', using mtime: %m", timestamp_str, p);
 477                         return true;
 478                 }
 479
 480                 timespec_store(&other.st_mtim, timestamp);
 481         }
 482
 483         return usr.st_mtim.tv_nsec > other.st_mtim.tv_nsec;
 484 }
 485
 486 static int condition_test_first_boot(Condition *c) {
 487         int r;
 488
 489         assert(c);
 490         assert(c->parameter);
 491         assert(c->type == CONDITION_FIRST_BOOT);
 492
 493         r = parse_boolean(c->parameter);
 494         if (r < 0)
 495                 return r;
 496
 497         return (access("/run/systemd/first-boot", F_OK) >= 0) == !!r;
 498 }
 499
 500 static int condition_test_path_exists(Condition *c) {
 501         assert(c);
 502         assert(c->parameter);
 503         assert(c->type == CONDITION_PATH_EXISTS);
 504
 505         return access(c->parameter, F_OK) >= 0;
 506 }
 507
 508 static int condition_test_path_exists_glob(Condition *c) {
 509         assert(c);
 510         assert(c->parameter);
 511         assert(c->type == CONDITION_PATH_EXISTS_GLOB);
 512
 513         return glob_exists(c->parameter) > 0;
 514 }
 515
 516 static int condition_test_path_is_directory(Condition *c) {
 517         assert(c);
 518         assert(c->parameter);
 519         assert(c->type == CONDITION_PATH_IS_DIRECTORY);
 520
 521         return is_dir(c->parameter, true) > 0;
 522 }
 523
 524 static int condition_test_path_is_symbolic_link(Condition *c) {
 525         assert(c);
 526         assert(c->parameter);
 527         assert(c->type == CONDITION_PATH_IS_SYMBOLIC_LINK);
 528
 529         return is_symlink(c->parameter) > 0;
 530 }
 531
 532 static int condition_test_path_is_mount_point(Condition *c) {
 533         assert(c);
 534         assert(c->parameter);
 535         assert(c->type == CONDITION_PATH_IS_MOUNT_POINT);
 536
 537         return path_is_mount_point(c->parameter, NULL, AT_SYMLINK_FOLLOW) > 0;
 538 }
 539
 540 static int condition_test_path_is_read_write(Condition *c) {
 541         assert(c);
 542         assert(c->parameter);
 543         assert(c->type == CONDITION_PATH_IS_READ_WRITE);
 544
 545         return path_is_read_only_fs(c->parameter) <= 0;
 546 }
 547
 548 static int condition_test_directory_not_empty(Condition *c) {
 549         int r;
 550
 551         assert(c);
 552         assert(c->parameter);
 553         assert(c->type == CONDITION_DIRECTORY_NOT_EMPTY);
 554
 555         r = dir_is_empty(c->parameter);
 556         return r <= 0 && r != -ENOENT;
 557 }
 558
 559 static int condition_test_file_not_empty(Condition *c) {
 560         struct stat st;
 561
 562         assert(c);
 563         assert(c->parameter);
 564         assert(c->type == CONDITION_FILE_NOT_EMPTY);
 565
 566         return (stat(c->parameter, &st) >= 0 &&
 567                 S_ISREG(st.st_mode) &&
 568                 st.st_size > 0);
 569 }
 570
 571 static int condition_test_file_is_executable(Condition *c) {
 572         struct stat st;
 573
 574         assert(c);
 575         assert(c->parameter);
 576         assert(c->type == CONDITION_FILE_IS_EXECUTABLE);
 577
 578         return (stat(c->parameter, &st) >= 0 &&
 579                 S_ISREG(st.st_mode) &&
 580                 (st.st_mode & 0111));
 581 }
 582
 583 static int condition_test_null(Condition *c) {
 584         assert(c);
 585         assert(c->type == CONDITION_NULL);
 586
 587         /* Note that during parsing we already evaluate the string and
 588          * store it in c->negate */
 589         return true;
 590 }
 591
 592 int condition_test(Condition *c) {
 593
 594         static int (*const condition_tests[_CONDITION_TYPE_MAX])(Condition *c) = {
 595                 [CONDITION_PATH_EXISTS] = condition_test_path_exists,
 596                 [CONDITION_PATH_EXISTS_GLOB] = condition_test_path_exists_glob,
 597                 [CONDITION_PATH_IS_DIRECTORY] = condition_test_path_is_directory,
 598                 [CONDITION_PATH_IS_SYMBOLIC_LINK] = condition_test_path_is_symbolic_link,
 599                 [CONDITION_PATH_IS_MOUNT_POINT] = condition_test_path_is_mount_point,
 600                 [CONDITION_PATH_IS_READ_WRITE] = condition_test_path_is_read_write,
 601                 [CONDITION_DIRECTORY_NOT_EMPTY] = condition_test_directory_not_empty,
 602                 [CONDITION_FILE_NOT_EMPTY] = condition_test_file_not_empty,
 603                 [CONDITION_FILE_IS_EXECUTABLE] = condition_test_file_is_executable,
 604                 [CONDITION_KERNEL_COMMAND_LINE] = condition_test_kernel_command_line,
 605                 [CONDITION_KERNEL_VERSION] = condition_test_kernel_version,
 606                 [CONDITION_VIRTUALIZATION] = condition_test_virtualization,
 607                 [CONDITION_SECURITY] = condition_test_security,
 608                 [CONDITION_CAPABILITY] = condition_test_capability,
 609                 [CONDITION_HOST] = condition_test_host,
 610                 [CONDITION_AC_POWER] = condition_test_ac_power,
 611                 [CONDITION_ARCHITECTURE] = condition_test_architecture,
 612                 [CONDITION_NEEDS_UPDATE] = condition_test_needs_update,
 613                 [CONDITION_FIRST_BOOT] = condition_test_first_boot,
 614                 [CONDITION_USER] = condition_test_user,
 615                 [CONDITION_GROUP] = condition_test_group,
 616                 [CONDITION_CONTROL_GROUP_CONTROLLER] = condition_test_control_group_controller,
 617                 [CONDITION_NULL] = condition_test_null,
 618         };
 619
 620         int r, b;
 621
 622         assert(c);
 623         assert(c->type >= 0);
 624         assert(c->type < _CONDITION_TYPE_MAX);
 625
 626         r = condition_tests[c->type](c);
 627         if (r < 0) {
 628                 c->result = CONDITION_ERROR;
 629                 return r;
 630         }
 631
 632         b = (r > 0) == !c->negate;
 633         c->result = b ? CONDITION_SUCCEEDED : CONDITION_FAILED;
 634         return b;
 635 }
 636
 637 void condition_dump(Condition *c, FILE *f, const char *prefix, const char *(*to_string)(ConditionType t)) {
 638         assert(c);
 639         assert(f);
 640
 641         prefix = strempty(prefix);
 642
 643         fprintf(f,
 644                 "%s\t%s: %s%s%s %s\n",
 645                 prefix,
 646                 to_string(c->type),
 647                 c->trigger ? "|" : "",
 648                 c->negate ? "!" : "",
 649                 c->parameter,
 650                 condition_result_to_string(c->result));
 651 }
 652
 653 void condition_dump_list(Condition *first, FILE *f, const char *prefix, const char *(*to_string)(ConditionType t)) {
 654         Condition *c;
 655
 656         LIST_FOREACH(conditions, c, first)
 657                 condition_dump(c, f, prefix, to_string);
 658 }
 659
 660 static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
 661         [CONDITION_ARCHITECTURE] = "ConditionArchitecture",
 662         [CONDITION_VIRTUALIZATION] = "ConditionVirtualization",
 663         [CONDITION_HOST] = "ConditionHost",
 664         [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
 665         [CONDITION_KERNEL_VERSION] = "ConditionKernelVersion",
 666         [CONDITION_SECURITY] = "ConditionSecurity",
 667         [CONDITION_CAPABILITY] = "ConditionCapability",
 668         [CONDITION_AC_POWER] = "ConditionACPower",
 669         [CONDITION_NEEDS_UPDATE] = "ConditionNeedsUpdate",
 670         [CONDITION_FIRST_BOOT] = "ConditionFirstBoot",
 671         [CONDITION_PATH_EXISTS] = "ConditionPathExists",
 672         [CONDITION_PATH_EXISTS_GLOB] = "ConditionPathExistsGlob",
 673         [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory",
 674         [CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink",
 675         [CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint",
 676         [CONDITION_PATH_IS_READ_WRITE] = "ConditionPathIsReadWrite",
 677         [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty",
 678         [CONDITION_FILE_NOT_EMPTY] = "ConditionFileNotEmpty",
 679         [CONDITION_FILE_IS_EXECUTABLE] = "ConditionFileIsExecutable",
 680         [CONDITION_USER] = "ConditionUser",
 681         [CONDITION_GROUP] = "ConditionGroup",
 682         [CONDITION_CONTROL_GROUP_CONTROLLER] = "ConditionControlGroupController",
 683         [CONDITION_NULL] = "ConditionNull"
 684 };
 685
 686 DEFINE_STRING_TABLE_LOOKUP(condition_type, ConditionType);
 687
 688 static const char* const assert_type_table[_CONDITION_TYPE_MAX] = {
 689         [CONDITION_ARCHITECTURE] = "AssertArchitecture",
 690         [CONDITION_VIRTUALIZATION] = "AssertVirtualization",
 691         [CONDITION_HOST] = "AssertHost",
 692         [CONDITION_KERNEL_COMMAND_LINE] = "AssertKernelCommandLine",
 693         [CONDITION_KERNEL_VERSION] = "AssertKernelVersion",
 694         [CONDITION_SECURITY] = "AssertSecurity",
 695         [CONDITION_CAPABILITY] = "AssertCapability",
 696         [CONDITION_AC_POWER] = "AssertACPower",
 697         [CONDITION_NEEDS_UPDATE] = "AssertNeedsUpdate",
 698         [CONDITION_FIRST_BOOT] = "AssertFirstBoot",
 699         [CONDITION_PATH_EXISTS] = "AssertPathExists",
 700         [CONDITION_PATH_EXISTS_GLOB] = "AssertPathExistsGlob",
 701         [CONDITION_PATH_IS_DIRECTORY] = "AssertPathIsDirectory",
 702         [CONDITION_PATH_IS_SYMBOLIC_LINK] = "AssertPathIsSymbolicLink",
 703         [CONDITION_PATH_IS_MOUNT_POINT] = "AssertPathIsMountPoint",
 704         [CONDITION_PATH_IS_READ_WRITE] = "AssertPathIsReadWrite",
 705         [CONDITION_DIRECTORY_NOT_EMPTY] = "AssertDirectoryNotEmpty",
 706         [CONDITION_FILE_NOT_EMPTY] = "AssertFileNotEmpty",
 707         [CONDITION_FILE_IS_EXECUTABLE] = "AssertFileIsExecutable",
 708         [CONDITION_USER] = "AssertUser",
 709         [CONDITION_GROUP] = "AssertGroup",
 710         [CONDITION_CONTROL_GROUP_CONTROLLER] = "AssertControlGroupController",
 711         [CONDITION_NULL] = "AssertNull"
 712 };
 713
 714 DEFINE_STRING_TABLE_LOOKUP(assert_type, ConditionType);
 715
 716 static const char* const condition_result_table[_CONDITION_RESULT_MAX] = {
 717         [CONDITION_UNTESTED] = "untested",
 718         [CONDITION_SUCCEEDED] = "succeeded",
 719         [CONDITION_FAILED] = "failed",
 720         [CONDITION_ERROR] = "error",
 721 };
 722
 723 DEFINE_STRING_TABLE_LOOKUP(condition_result, ConditionResult);