src/basic/unit-name.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2010 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <errno.h>
  21 #include <stddef.h>
  22 #include <stdint.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "alloc-util.h"
  27 #include "bus-label.h"
  28 //#include "glob-util.h"
  29 #include "hexdecoct.h"
  30 #include "macro.h"
  31 #include "path-util.h"
  32 #include "string-table.h"
  33 #include "string-util.h"
  34 #include "strv.h"
  35 #include "unit-name.h"
  36
  37 /* Characters valid in a unit name. */
  38 #define VALID_CHARS                             \
  39         DIGITS                                  \
  40         LETTERS                                 \
  41         ":-_.\\"
  42
  43 /* The same, but also permits the single @ character that may appear */
  44 #define VALID_CHARS_WITH_AT                     \
  45         "@"                                     \
  46         VALID_CHARS
  47
  48 /* All chars valid in a unit name glob */
  49 #define VALID_CHARS_GLOB                        \
  50         VALID_CHARS_WITH_AT                     \
  51         "[]!-*?"
  52
  53 bool unit_name_is_valid(const char *n, UnitNameFlags flags) {
  54         const char *e, *i, *at;
  55
  56         assert((flags & ~(UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE)) == 0);
  57
  58         if (_unlikely_(flags == 0))
  59                 return false;
  60
  61         if (isempty(n))
  62                 return false;
  63
  64         if (strlen(n) >= UNIT_NAME_MAX)
  65                 return false;
  66
  67         e = strrchr(n, '.');
  68         if (!e || e == n)
  69                 return false;
  70
  71         if (unit_type_from_string(e + 1) < 0)
  72                 return false;
  73
  74         for (i = n, at = NULL; i < e; i++) {
  75
  76                 if (*i == '@' && !at)
  77                         at = i;
  78
  79                 if (!strchr("@" VALID_CHARS, *i))
  80                         return false;
  81         }
  82
  83         if (at == n)
  84                 return false;
  85
  86         if (flags & UNIT_NAME_PLAIN)
  87                 if (!at)
  88                         return true;
  89
  90         if (flags & UNIT_NAME_INSTANCE)
  91                 if (at && e > at + 1)
  92                         return true;
  93
  94         if (flags & UNIT_NAME_TEMPLATE)
  95                 if (at && e == at + 1)
  96                         return true;
  97
  98         return false;
  99 }
 100
 101 bool unit_prefix_is_valid(const char *p) {
 102
 103         /* We don't allow additional @ in the prefix string */
 104
 105         if (isempty(p))
 106                 return false;
 107
 108         return in_charset(p, VALID_CHARS);
 109 }
 110
 111 bool unit_instance_is_valid(const char *i) {
 112
 113         /* The max length depends on the length of the string, so we
 114          * don't really check this here. */
 115
 116         if (isempty(i))
 117                 return false;
 118
 119         /* We allow additional @ in the instance string, we do not
 120          * allow them in the prefix! */
 121
 122         return in_charset(i, "@" VALID_CHARS);
 123 }
 124
 125 bool unit_suffix_is_valid(const char *s) {
 126         if (isempty(s))
 127                 return false;
 128
 129         if (s[0] != '.')
 130                 return false;
 131
 132         if (unit_type_from_string(s + 1) < 0)
 133                 return false;
 134
 135         return true;
 136 }
 137
 138 #if 0 /// UNNEEDED by elogind
 139 int unit_name_to_prefix(const char *n, char **ret) {
 140         const char *p;
 141         char *s;
 142
 143         assert(n);
 144         assert(ret);
 145
 146         if (!unit_name_is_valid(n, UNIT_NAME_ANY))
 147                 return -EINVAL;
 148
 149         p = strchr(n, '@');
 150         if (!p)
 151                 p = strrchr(n, '.');
 152
 153         assert_se(p);
 154
 155         s = strndup(n, p - n);
 156         if (!s)
 157                 return -ENOMEM;
 158
 159         *ret = s;
 160         return 0;
 161 }
 162
 163 int unit_name_to_instance(const char *n, char **instance) {
 164         const char *p, *d;
 165         char *i;
 166
 167         assert(n);
 168         assert(instance);
 169
 170         if (!unit_name_is_valid(n, UNIT_NAME_ANY))
 171                 return -EINVAL;
 172
 173         /* Everything past the first @ and before the last . is the instance */
 174         p = strchr(n, '@');
 175         if (!p) {
 176                 *instance = NULL;
 177                 return 0;
 178         }
 179
 180         p++;
 181
 182         d = strrchr(p, '.');
 183         if (!d)
 184                 return -EINVAL;
 185
 186         i = strndup(p, d-p);
 187         if (!i)
 188                 return -ENOMEM;
 189
 190         *instance = i;
 191         return 1;
 192 }
 193
 194 int unit_name_to_prefix_and_instance(const char *n, char **ret) {
 195         const char *d;
 196         char *s;
 197
 198         assert(n);
 199         assert(ret);
 200
 201         if (!unit_name_is_valid(n, UNIT_NAME_ANY))
 202                 return -EINVAL;
 203
 204         d = strrchr(n, '.');
 205         if (!d)
 206                 return -EINVAL;
 207
 208         s = strndup(n, d - n);
 209         if (!s)
 210                 return -ENOMEM;
 211
 212         *ret = s;
 213         return 0;
 214 }
 215
 216 UnitType unit_name_to_type(const char *n) {
 217         const char *e;
 218
 219         assert(n);
 220
 221         if (!unit_name_is_valid(n, UNIT_NAME_ANY))
 222                 return _UNIT_TYPE_INVALID;
 223
 224         assert_se(e = strrchr(n, '.'));
 225
 226         return unit_type_from_string(e + 1);
 227 }
 228
 229 int unit_name_change_suffix(const char *n, const char *suffix, char **ret) {
 230         char *e, *s;
 231         size_t a, b;
 232
 233         assert(n);
 234         assert(suffix);
 235         assert(ret);
 236
 237         if (!unit_name_is_valid(n, UNIT_NAME_ANY))
 238                 return -EINVAL;
 239
 240         if (!unit_suffix_is_valid(suffix))
 241                 return -EINVAL;
 242
 243         assert_se(e = strrchr(n, '.'));
 244
 245         a = e - n;
 246         b = strlen(suffix);
 247
 248         s = new(char, a + b + 1);
 249         if (!s)
 250                 return -ENOMEM;
 251
 252         strcpy(mempcpy(s, n, a), suffix);
 253         *ret = s;
 254
 255         return 0;
 256 }
 257 #endif // 0
 258
 259 int unit_name_build(const char *prefix, const char *instance, const char *suffix, char **ret) {
 260         char *s;
 261
 262         assert(prefix);
 263         assert(suffix);
 264         assert(ret);
 265
 266         if (!unit_prefix_is_valid(prefix))
 267                 return -EINVAL;
 268
 269         if (instance && !unit_instance_is_valid(instance))
 270                 return -EINVAL;
 271
 272         if (!unit_suffix_is_valid(suffix))
 273                 return -EINVAL;
 274
 275         if (!instance)
 276                 s = strappend(prefix, suffix);
 277         else
 278                 s = strjoin(prefix, "@", instance, suffix);
 279         if (!s)
 280                 return -ENOMEM;
 281
 282         *ret = s;
 283         return 0;
 284 }
 285
 286 #if 0 /// UNNEEDED by elogind
 287 static char *do_escape_char(char c, char *t) {
 288         assert(t);
 289
 290         *(t++) = '\\';
 291         *(t++) = 'x';
 292         *(t++) = hexchar(c >> 4);
 293         *(t++) = hexchar(c);
 294
 295         return t;
 296 }
 297
 298 static char *do_escape(const char *f, char *t) {
 299         assert(f);
 300         assert(t);
 301
 302         /* do not create units with a leading '.', like for "/.dotdir" mount points */
 303         if (*f == '.') {
 304                 t = do_escape_char(*f, t);
 305                 f++;
 306         }
 307
 308         for (; *f; f++) {
 309                 if (*f == '/')
 310                         *(t++) = '-';
 311                 else if (*f == '-' || *f == '\\' || !strchr(VALID_CHARS, *f))
 312                         t = do_escape_char(*f, t);
 313                 else
 314                         *(t++) = *f;
 315         }
 316
 317         return t;
 318 }
 319
 320 char *unit_name_escape(const char *f) {
 321         char *r, *t;
 322
 323         assert(f);
 324
 325         r = new(char, strlen(f)*4+1);
 326         if (!r)
 327                 return NULL;
 328
 329         t = do_escape(f, r);
 330         *t = 0;
 331
 332         return r;
 333 }
 334
 335 int unit_name_unescape(const char *f, char **ret) {
 336         _cleanup_free_ char *r = NULL;
 337         char *t;
 338
 339         assert(f);
 340
 341         r = strdup(f);
 342         if (!r)
 343                 return -ENOMEM;
 344
 345         for (t = r; *f; f++) {
 346                 if (*f == '-')
 347                         *(t++) = '/';
 348                 else if (*f == '\\') {
 349                         int a, b;
 350
 351                         if (f[1] != 'x')
 352                                 return -EINVAL;
 353
 354                         a = unhexchar(f[2]);
 355                         if (a < 0)
 356                                 return -EINVAL;
 357
 358                         b = unhexchar(f[3]);
 359                         if (b < 0)
 360                                 return -EINVAL;
 361
 362                         *(t++) = (char) (((uint8_t) a << 4U) | (uint8_t) b);
 363                         f += 3;
 364                 } else
 365                         *(t++) = *f;
 366         }
 367
 368         *t = 0;
 369
 370         *ret = r;
 371         r = NULL;
 372
 373         return 0;
 374 }
 375
 376 int unit_name_path_escape(const char *f, char **ret) {
 377         char *p, *s;
 378
 379         assert(f);
 380         assert(ret);
 381
 382         p = strdupa(f);
 383         if (!p)
 384                 return -ENOMEM;
 385
 386         path_kill_slashes(p);
 387
 388         if (STR_IN_SET(p, "/", ""))
 389                 s = strdup("-");
 390         else {
 391                 char *e;
 392
 393                 if (!path_is_safe(p))
 394                         return -EINVAL;
 395
 396                 /* Truncate trailing slashes */
 397                 e = endswith(p, "/");
 398                 if (e)
 399                         *e = 0;
 400
 401                 /* Truncate leading slashes */
 402                 if (p[0] == '/')
 403                         p++;
 404
 405                 s = unit_name_escape(p);
 406         }
 407         if (!s)
 408                 return -ENOMEM;
 409
 410         *ret = s;
 411         return 0;
 412 }
 413
 414 int unit_name_path_unescape(const char *f, char **ret) {
 415         char *s;
 416         int r;
 417
 418         assert(f);
 419
 420         if (isempty(f))
 421                 return -EINVAL;
 422
 423         if (streq(f, "-")) {
 424                 s = strdup("/");
 425                 if (!s)
 426                         return -ENOMEM;
 427         } else {
 428                 char *w;
 429
 430                 r = unit_name_unescape(f, &w);
 431                 if (r < 0)
 432                         return r;
 433
 434                 /* Don't accept trailing or leading slashes */
 435                 if (startswith(w, "/") || endswith(w, "/")) {
 436                         free(w);
 437                         return -EINVAL;
 438                 }
 439
 440                 /* Prefix a slash again */
 441                 s = strappend("/", w);
 442                 free(w);
 443                 if (!s)
 444                         return -ENOMEM;
 445
 446                 if (!path_is_safe(s)) {
 447                         free(s);
 448                         return -EINVAL;
 449                 }
 450         }
 451
 452         if (ret)
 453                 *ret = s;
 454         else
 455                 free(s);
 456
 457         return 0;
 458 }
 459
 460 int unit_name_replace_instance(const char *f, const char *i, char **ret) {
 461         const char *p, *e;
 462         char *s;
 463         size_t a, b;
 464
 465         assert(f);
 466         assert(i);
 467         assert(ret);
 468
 469         if (!unit_name_is_valid(f, UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE))
 470                 return -EINVAL;
 471         if (!unit_instance_is_valid(i))
 472                 return -EINVAL;
 473
 474         assert_se(p = strchr(f, '@'));
 475         assert_se(e = strrchr(f, '.'));
 476
 477         a = p - f;
 478         b = strlen(i);
 479
 480         s = new(char, a + 1 + b + strlen(e) + 1);
 481         if (!s)
 482                 return -ENOMEM;
 483
 484         strcpy(mempcpy(mempcpy(s, f, a + 1), i, b), e);
 485
 486         *ret = s;
 487         return 0;
 488 }
 489
 490 int unit_name_template(const char *f, char **ret) {
 491         const char *p, *e;
 492         char *s;
 493         size_t a;
 494
 495         assert(f);
 496         assert(ret);
 497
 498         if (!unit_name_is_valid(f, UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE))
 499                 return -EINVAL;
 500
 501         assert_se(p = strchr(f, '@'));
 502         assert_se(e = strrchr(f, '.'));
 503
 504         a = p - f;
 505
 506         s = new(char, a + 1 + strlen(e) + 1);
 507         if (!s)
 508                 return -ENOMEM;
 509
 510         strcpy(mempcpy(s, f, a + 1), e);
 511
 512         *ret = s;
 513         return 0;
 514 }
 515
 516 int unit_name_from_path(const char *path, const char *suffix, char **ret) {
 517         _cleanup_free_ char *p = NULL;
 518         char *s = NULL;
 519         int r;
 520
 521         assert(path);
 522         assert(suffix);
 523         assert(ret);
 524
 525         if (!unit_suffix_is_valid(suffix))
 526                 return -EINVAL;
 527
 528         r = unit_name_path_escape(path, &p);
 529         if (r < 0)
 530                 return r;
 531
 532         s = strappend(p, suffix);
 533         if (!s)
 534                 return -ENOMEM;
 535
 536         *ret = s;
 537         return 0;
 538 }
 539
 540 int unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix, char **ret) {
 541         _cleanup_free_ char *p = NULL;
 542         char *s;
 543         int r;
 544
 545         assert(prefix);
 546         assert(path);
 547         assert(suffix);
 548         assert(ret);
 549
 550         if (!unit_prefix_is_valid(prefix))
 551                 return -EINVAL;
 552
 553         if (!unit_suffix_is_valid(suffix))
 554                 return -EINVAL;
 555
 556         r = unit_name_path_escape(path, &p);
 557         if (r < 0)
 558                 return r;
 559
 560         s = strjoin(prefix, "@", p, suffix);
 561         if (!s)
 562                 return -ENOMEM;
 563
 564         *ret = s;
 565         return 0;
 566 }
 567
 568 int unit_name_to_path(const char *name, char **ret) {
 569         _cleanup_free_ char *prefix = NULL;
 570         int r;
 571
 572         assert(name);
 573
 574         r = unit_name_to_prefix(name, &prefix);
 575         if (r < 0)
 576                 return r;
 577
 578         return unit_name_path_unescape(prefix, ret);
 579 }
 580
 581 char *unit_dbus_path_from_name(const char *name) {
 582         _cleanup_free_ char *e = NULL;
 583
 584         assert(name);
 585
 586         e = bus_label_escape(name);
 587         if (!e)
 588                 return NULL;
 589
 590         return strappend("/org/freedesktop/systemd1/unit/", e);
 591 }
 592
 593 int unit_name_from_dbus_path(const char *path, char **name) {
 594         const char *e;
 595         char *n;
 596
 597         e = startswith(path, "/org/freedesktop/systemd1/unit/");
 598         if (!e)
 599                 return -EINVAL;
 600
 601         n = bus_label_unescape(e);
 602         if (!n)
 603                 return -ENOMEM;
 604
 605         *name = n;
 606         return 0;
 607 }
 608
 609 const char* unit_dbus_interface_from_type(UnitType t) {
 610
 611         static const char *const table[_UNIT_TYPE_MAX] = {
 612                 [UNIT_SERVICE] = "org.freedesktop.systemd1.Service",
 613                 [UNIT_SOCKET] = "org.freedesktop.systemd1.Socket",
 614                 [UNIT_TARGET] = "org.freedesktop.systemd1.Target",
 615                 [UNIT_DEVICE] = "org.freedesktop.systemd1.Device",
 616                 [UNIT_MOUNT] = "org.freedesktop.systemd1.Mount",
 617                 [UNIT_AUTOMOUNT] = "org.freedesktop.systemd1.Automount",
 618                 [UNIT_SWAP] = "org.freedesktop.systemd1.Swap",
 619                 [UNIT_TIMER] = "org.freedesktop.systemd1.Timer",
 620                 [UNIT_PATH] = "org.freedesktop.systemd1.Path",
 621                 [UNIT_SLICE] = "org.freedesktop.systemd1.Slice",
 622                 [UNIT_SCOPE] = "org.freedesktop.systemd1.Scope",
 623         };
 624
 625         if (t < 0)
 626                 return NULL;
 627         if (t >= _UNIT_TYPE_MAX)
 628                 return NULL;
 629
 630         return table[t];
 631 }
 632
 633 const char *unit_dbus_interface_from_name(const char *name) {
 634         UnitType t;
 635
 636         t = unit_name_to_type(name);
 637         if (t < 0)
 638                 return NULL;
 639
 640         return unit_dbus_interface_from_type(t);
 641 }
 642
 643 static char *do_escape_mangle(const char *f, UnitNameMangle allow_globs, char *t) {
 644         const char *valid_chars;
 645
 646         assert(f);
 647         assert(IN_SET(allow_globs, UNIT_NAME_GLOB, UNIT_NAME_NOGLOB));
 648         assert(t);
 649
 650         /* We'll only escape the obvious characters here, to play
 651          * safe. */
 652
 653         valid_chars = allow_globs == UNIT_NAME_GLOB ? VALID_CHARS_GLOB : VALID_CHARS_WITH_AT;
 654
 655         for (; *f; f++) {
 656                 if (*f == '/')
 657                         *(t++) = '-';
 658                 else if (!strchr(valid_chars, *f))
 659                         t = do_escape_char(*f, t);
 660                 else
 661                         *(t++) = *f;
 662         }
 663
 664         return t;
 665 }
 666
 667 /**
 668  *  Convert a string to a unit name. /dev/blah is converted to dev-blah.device,
 669  *  /blah/blah is converted to blah-blah.mount, anything else is left alone,
 670  *  except that @suffix is appended if a valid unit suffix is not present.
 671  *
 672  *  If @allow_globs, globs characters are preserved. Otherwise, they are escaped.
 673  */
 674 int unit_name_mangle_with_suffix(const char *name, UnitNameMangle allow_globs, const char *suffix, char **ret) {
 675         char *s, *t;
 676         int r;
 677
 678         assert(name);
 679         assert(suffix);
 680         assert(ret);
 681
 682         if (isempty(name)) /* We cannot mangle empty unit names to become valid, sorry. */
 683                 return -EINVAL;
 684
 685         if (!unit_suffix_is_valid(suffix))
 686                 return -EINVAL;
 687
 688         /* Already a fully valid unit name? If so, no mangling is necessary... */
 689         if (unit_name_is_valid(name, UNIT_NAME_ANY))
 690                 goto good;
 691
 692         /* Already a fully valid globbing expression? If so, no mangling is necessary either... */
 693         if (allow_globs == UNIT_NAME_GLOB &&
 694             string_is_glob(name) &&
 695             in_charset(name, VALID_CHARS_GLOB))
 696                 goto good;
 697
 698         if (is_device_path(name)) {
 699                 r = unit_name_from_path(name, ".device", ret);
 700                 if (r >= 0)
 701                         return 1;
 702                 if (r != -EINVAL)
 703                         return r;
 704         }
 705
 706         if (path_is_absolute(name)) {
 707                 r = unit_name_from_path(name, ".mount", ret);
 708                 if (r >= 0)
 709                         return 1;
 710                 if (r != -EINVAL)
 711                         return r;
 712         }
 713
 714         s = new(char, strlen(name) * 4 + strlen(suffix) + 1);
 715         if (!s)
 716                 return -ENOMEM;
 717
 718         t = do_escape_mangle(name, allow_globs, s);
 719         *t = 0;
 720
 721         /* Append a suffix if it doesn't have any, but only if this is not a glob, so that we can allow "foo.*" as a
 722          * valid glob. */
 723         if ((allow_globs != UNIT_NAME_GLOB || !string_is_glob(s)) && unit_name_to_type(s) < 0)
 724                 strcpy(t, suffix);
 725
 726         *ret = s;
 727         return 1;
 728
 729 good:
 730         s = strdup(name);
 731         if (!s)
 732                 return -ENOMEM;
 733
 734         *ret = s;
 735         return 0;
 736 }
 737
 738 int slice_build_parent_slice(const char *slice, char **ret) {
 739         char *s, *dash;
 740         int r;
 741
 742         assert(slice);
 743         assert(ret);
 744
 745         if (!slice_name_is_valid(slice))
 746                 return -EINVAL;
 747
 748         if (streq(slice, "-.slice")) {
 749                 *ret = NULL;
 750                 return 0;
 751         }
 752
 753         s = strdup(slice);
 754         if (!s)
 755                 return -ENOMEM;
 756
 757         dash = strrchr(s, '-');
 758         if (dash)
 759                 strcpy(dash, ".slice");
 760         else {
 761                 r = free_and_strdup(&s, "-.slice");
 762                 if (r < 0) {
 763                         free(s);
 764                         return r;
 765                 }
 766         }
 767
 768         *ret = s;
 769         return 1;
 770 }
 771 #endif // 0
 772
 773 int slice_build_subslice(const char *slice, const char*name, char **ret) {
 774         char *subslice;
 775
 776         assert(slice);
 777         assert(name);
 778         assert(ret);
 779
 780         if (!slice_name_is_valid(slice))
 781                 return -EINVAL;
 782
 783         if (!unit_prefix_is_valid(name))
 784                 return -EINVAL;
 785
 786         if (streq(slice, "-.slice"))
 787                 subslice = strappend(name, ".slice");
 788         else {
 789                 char *e;
 790
 791                 assert_se(e = endswith(slice, ".slice"));
 792
 793                 subslice = new(char, (e - slice) + 1 + strlen(name) + 6 + 1);
 794                 if (!subslice)
 795                         return -ENOMEM;
 796
 797                 stpcpy(stpcpy(stpcpy(mempcpy(subslice, slice, e - slice), "-"), name), ".slice");
 798         }
 799
 800         *ret = subslice;
 801         return 0;
 802 }
 803
 804 bool slice_name_is_valid(const char *name) {
 805         const char *p, *e;
 806         bool dash = false;
 807
 808         if (!unit_name_is_valid(name, UNIT_NAME_PLAIN))
 809                 return false;
 810
 811         if (streq(name, "-.slice"))
 812                 return true;
 813
 814         e = endswith(name, ".slice");
 815         if (!e)
 816                 return false;
 817
 818         for (p = name; p < e; p++) {
 819
 820                 if (*p == '-') {
 821
 822                         /* Don't allow initial dash */
 823                         if (p == name)
 824                                 return false;
 825
 826                         /* Don't allow multiple dashes */
 827                         if (dash)
 828                                 return false;
 829
 830                         dash = true;
 831                 } else
 832                         dash = false;
 833         }
 834
 835         /* Don't allow trailing hash */
 836         if (dash)
 837                 return false;
 838
 839         return true;
 840 }
 841
 842 static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
 843         [UNIT_SERVICE] = "service",
 844         [UNIT_SOCKET] = "socket",
 845         [UNIT_TARGET] = "target",
 846         [UNIT_DEVICE] = "device",
 847         [UNIT_MOUNT] = "mount",
 848         [UNIT_AUTOMOUNT] = "automount",
 849         [UNIT_SWAP] = "swap",
 850         [UNIT_TIMER] = "timer",
 851         [UNIT_PATH] = "path",
 852         [UNIT_SLICE] = "slice",
 853         [UNIT_SCOPE] = "scope",
 854 };
 855
 856 DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
 857
 858 #if 0 /// UNNEEDED by elogind
 859 static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
 860         [UNIT_STUB] = "stub",
 861         [UNIT_LOADED] = "loaded",
 862         [UNIT_NOT_FOUND] = "not-found",
 863         [UNIT_ERROR] = "error",
 864         [UNIT_MERGED] = "merged",
 865         [UNIT_MASKED] = "masked"
 866 };
 867
 868 DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState);
 869
 870 static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = {
 871         [UNIT_ACTIVE] = "active",
 872         [UNIT_RELOADING] = "reloading",
 873         [UNIT_INACTIVE] = "inactive",
 874         [UNIT_FAILED] = "failed",
 875         [UNIT_ACTIVATING] = "activating",
 876         [UNIT_DEACTIVATING] = "deactivating"
 877 };
 878
 879 DEFINE_STRING_TABLE_LOOKUP(unit_active_state, UnitActiveState);
 880
 881 static const char* const automount_state_table[_AUTOMOUNT_STATE_MAX] = {
 882         [AUTOMOUNT_DEAD] = "dead",
 883         [AUTOMOUNT_WAITING] = "waiting",
 884         [AUTOMOUNT_RUNNING] = "running",
 885         [AUTOMOUNT_FAILED] = "failed"
 886 };
 887
 888 DEFINE_STRING_TABLE_LOOKUP(automount_state, AutomountState);
 889
 890 static const char* const device_state_table[_DEVICE_STATE_MAX] = {
 891         [DEVICE_DEAD] = "dead",
 892         [DEVICE_TENTATIVE] = "tentative",
 893         [DEVICE_PLUGGED] = "plugged",
 894 };
 895
 896 DEFINE_STRING_TABLE_LOOKUP(device_state, DeviceState);
 897
 898 static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
 899         [MOUNT_DEAD] = "dead",
 900         [MOUNT_MOUNTING] = "mounting",
 901         [MOUNT_MOUNTING_DONE] = "mounting-done",
 902         [MOUNT_MOUNTED] = "mounted",
 903         [MOUNT_REMOUNTING] = "remounting",
 904         [MOUNT_UNMOUNTING] = "unmounting",
 905         [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm",
 906         [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill",
 907         [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm",
 908         [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill",
 909         [MOUNT_FAILED] = "failed"
 910 };
 911
 912 DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState);
 913
 914 static const char* const path_state_table[_PATH_STATE_MAX] = {
 915         [PATH_DEAD] = "dead",
 916         [PATH_WAITING] = "waiting",
 917         [PATH_RUNNING] = "running",
 918         [PATH_FAILED] = "failed"
 919 };
 920
 921 DEFINE_STRING_TABLE_LOOKUP(path_state, PathState);
 922
 923 static const char* const scope_state_table[_SCOPE_STATE_MAX] = {
 924         [SCOPE_DEAD] = "dead",
 925         [SCOPE_RUNNING] = "running",
 926         [SCOPE_ABANDONED] = "abandoned",
 927         [SCOPE_STOP_SIGTERM] = "stop-sigterm",
 928         [SCOPE_STOP_SIGKILL] = "stop-sigkill",
 929         [SCOPE_FAILED] = "failed",
 930 };
 931
 932 DEFINE_STRING_TABLE_LOOKUP(scope_state, ScopeState);
 933
 934 static const char* const service_state_table[_SERVICE_STATE_MAX] = {
 935         [SERVICE_DEAD] = "dead",
 936         [SERVICE_START_PRE] = "start-pre",
 937         [SERVICE_START] = "start",
 938         [SERVICE_START_POST] = "start-post",
 939         [SERVICE_RUNNING] = "running",
 940         [SERVICE_EXITED] = "exited",
 941         [SERVICE_RELOAD] = "reload",
 942         [SERVICE_STOP] = "stop",
 943         [SERVICE_STOP_SIGABRT] = "stop-sigabrt",
 944         [SERVICE_STOP_SIGTERM] = "stop-sigterm",
 945         [SERVICE_STOP_SIGKILL] = "stop-sigkill",
 946         [SERVICE_STOP_POST] = "stop-post",
 947         [SERVICE_FINAL_SIGTERM] = "final-sigterm",
 948         [SERVICE_FINAL_SIGKILL] = "final-sigkill",
 949         [SERVICE_FAILED] = "failed",
 950         [SERVICE_AUTO_RESTART] = "auto-restart",
 951 };
 952
 953 DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
 954
 955 static const char* const slice_state_table[_SLICE_STATE_MAX] = {
 956         [SLICE_DEAD] = "dead",
 957         [SLICE_ACTIVE] = "active"
 958 };
 959
 960 DEFINE_STRING_TABLE_LOOKUP(slice_state, SliceState);
 961
 962 static const char* const socket_state_table[_SOCKET_STATE_MAX] = {
 963         [SOCKET_DEAD] = "dead",
 964         [SOCKET_START_PRE] = "start-pre",
 965         [SOCKET_START_CHOWN] = "start-chown",
 966         [SOCKET_START_POST] = "start-post",
 967         [SOCKET_LISTENING] = "listening",
 968         [SOCKET_RUNNING] = "running",
 969         [SOCKET_STOP_PRE] = "stop-pre",
 970         [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm",
 971         [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill",
 972         [SOCKET_STOP_POST] = "stop-post",
 973         [SOCKET_FINAL_SIGTERM] = "final-sigterm",
 974         [SOCKET_FINAL_SIGKILL] = "final-sigkill",
 975         [SOCKET_FAILED] = "failed"
 976 };
 977
 978 DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState);
 979
 980 static const char* const swap_state_table[_SWAP_STATE_MAX] = {
 981         [SWAP_DEAD] = "dead",
 982         [SWAP_ACTIVATING] = "activating",
 983         [SWAP_ACTIVATING_DONE] = "activating-done",
 984         [SWAP_ACTIVE] = "active",
 985         [SWAP_DEACTIVATING] = "deactivating",
 986         [SWAP_DEACTIVATING_SIGTERM] = "deactivating-sigterm",
 987         [SWAP_DEACTIVATING_SIGKILL] = "deactivating-sigkill",
 988         [SWAP_FAILED] = "failed"
 989 };
 990
 991 DEFINE_STRING_TABLE_LOOKUP(swap_state, SwapState);
 992
 993 static const char* const target_state_table[_TARGET_STATE_MAX] = {
 994         [TARGET_DEAD] = "dead",
 995         [TARGET_ACTIVE] = "active"
 996 };
 997
 998 DEFINE_STRING_TABLE_LOOKUP(target_state, TargetState);
 999
1000 static const char* const timer_state_table[_TIMER_STATE_MAX] = {
1001         [TIMER_DEAD] = "dead",
1002         [TIMER_WAITING] = "waiting",
1003         [TIMER_RUNNING] = "running",
1004         [TIMER_ELAPSED] = "elapsed",
1005         [TIMER_FAILED] = "failed"
1006 };
1007
1008 DEFINE_STRING_TABLE_LOOKUP(timer_state, TimerState);
1009
1010 static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = {
1011         [UNIT_REQUIRES] = "Requires",
1012         [UNIT_REQUISITE] = "Requisite",
1013         [UNIT_WANTS] = "Wants",
1014         [UNIT_BINDS_TO] = "BindsTo",
1015         [UNIT_PART_OF] = "PartOf",
1016         [UNIT_REQUIRED_BY] = "RequiredBy",
1017         [UNIT_REQUISITE_OF] = "RequisiteOf",
1018         [UNIT_WANTED_BY] = "WantedBy",
1019         [UNIT_BOUND_BY] = "BoundBy",
1020         [UNIT_CONSISTS_OF] = "ConsistsOf",
1021         [UNIT_CONFLICTS] = "Conflicts",
1022         [UNIT_CONFLICTED_BY] = "ConflictedBy",
1023         [UNIT_BEFORE] = "Before",
1024         [UNIT_AFTER] = "After",
1025         [UNIT_ON_FAILURE] = "OnFailure",
1026         [UNIT_TRIGGERS] = "Triggers",
1027         [UNIT_TRIGGERED_BY] = "TriggeredBy",
1028         [UNIT_PROPAGATES_RELOAD_TO] = "PropagatesReloadTo",
1029         [UNIT_RELOAD_PROPAGATED_FROM] = "ReloadPropagatedFrom",
1030         [UNIT_JOINS_NAMESPACE_OF] = "JoinsNamespaceOf",
1031         [UNIT_REFERENCES] = "References",
1032         [UNIT_REFERENCED_BY] = "ReferencedBy",
1033 };
1034
1035 DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency);
1036 #endif // 0
1037
1038 static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
1039         [NOTIFY_NONE] = "none",
1040         [NOTIFY_MAIN] = "main",
1041         [NOTIFY_EXEC] = "exec",
1042         [NOTIFY_ALL] = "all"
1043 };
1044
1045 DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);