git.meshlink.io Git - catta/blob - avahi-daemon/static-services.c

   1 /***
   2   This file is part of avahi.
   3
   4   avahi is free software; you can redistribute it and/or modify it
   5   under the terms of the GNU Lesser General Public License as
   6   published by the Free Software Foundation; either version 2.1 of the
   7   License, or (at your option) any later version.
   8
   9   avahi is distributed in the hope that it will be useful, but WITHOUT
  10   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11   or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
  12   Public License for more details.
  13
  14   You should have received a copy of the GNU Lesser General Public
  15   License along with avahi; if not, write to the Free Software
  16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  17   USA.
  18 ***/
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23
  24 #include <sys/stat.h>
  25 #include <glob.h>
  26 #include <limits.h>
  27 #include <string.h>
  28 #include <errno.h>
  29 #include <fcntl.h>
  30 #include <unistd.h>
  31 #include <stdlib.h>
  32
  33 #ifdef USE_EXPAT_H
  34 #include <expat.h>
  35 #endif /* USE_EXPAT_H */
  36
  37 #ifdef USE_BSDXML_H
  38 #include <bsdxml.h>
  39 #endif /* USE_BSDXML_H */
  40
  41 #include <avahi-common/llist.h>
  42 #include <avahi-common/malloc.h>
  43 #include <avahi-common/alternative.h>
  44 #include <avahi-common/error.h>
  45 #include <avahi-common/domain.h>
  46 #include <avahi-core/log.h>
  47 #include <avahi-core/publish.h>
  48
  49 #include "main.h"
  50 #include "static-services.h"
  51
  52 typedef struct StaticService StaticService;
  53 typedef struct StaticServiceGroup StaticServiceGroup;
  54
  55 struct StaticService {
  56     StaticServiceGroup *group;
  57
  58     char *type;
  59     char *domain_name;
  60     char *host_name;
  61     uint16_t port;
  62     int protocol;
  63
  64     AvahiStringList *subtypes;
  65
  66     AvahiStringList *txt_records;
  67
  68     AVAHI_LLIST_FIELDS(StaticService, services);
  69 };
  70
  71 struct StaticServiceGroup {
  72     char *filename;
  73     time_t mtime;
  74
  75     char *name, *chosen_name;
  76     int replace_wildcards;
  77
  78     AvahiSEntryGroup *entry_group;
  79     AVAHI_LLIST_HEAD(StaticService, services);
  80     AVAHI_LLIST_FIELDS(StaticServiceGroup, groups);
  81 };
  82
  83 static AVAHI_LLIST_HEAD(StaticServiceGroup, groups) = NULL;
  84
  85 static char *replacestr(const char *pattern, const char *a, const char *b) {
  86     char *r = NULL, *e, *n;
  87
  88     while ((e = strstr(pattern, a))) {
  89         char *k;
  90
  91         k = avahi_strndup(pattern, e - pattern);
  92         if (r)
  93             n = avahi_strdup_printf("%s%s%s", r, k, b);
  94         else
  95             n = avahi_strdup_printf("%s%s", k, b);
  96
  97         avahi_free(k);
  98         avahi_free(r);
  99         r = n;
 100
 101         pattern = e + strlen(a);
 102     }
 103
 104     if (!r)
 105         return avahi_strdup(pattern);
 106
 107     n = avahi_strdup_printf("%s%s", r, pattern);
 108     avahi_free(r);
 109
 110     return n;
 111 }
 112
 113 static void add_static_service_group_to_server(StaticServiceGroup *g);
 114 static void remove_static_service_group_from_server(StaticServiceGroup *g);
 115
 116 static StaticService *static_service_new(StaticServiceGroup *group) {
 117     StaticService *s;
 118
 119     assert(group);
 120     s = avahi_new(StaticService, 1);
 121     s->group = group;
 122
 123     s->type = s->host_name = s->domain_name = NULL;
 124     s->port = 0;
 125     s->protocol = AVAHI_PROTO_UNSPEC;
 126
 127     s->txt_records = NULL;
 128     s->subtypes = NULL;
 129
 130     AVAHI_LLIST_PREPEND(StaticService, services, group->services, s);
 131
 132     return s;
 133 }
 134
 135 static StaticServiceGroup *static_service_group_new(char *filename) {
 136     StaticServiceGroup *g;
 137     assert(filename);
 138
 139     g = avahi_new(StaticServiceGroup, 1);
 140     g->filename = avahi_strdup(filename);
 141     g->mtime = 0;
 142     g->name = g->chosen_name = NULL;
 143     g->replace_wildcards = 0;
 144     g->entry_group = NULL;
 145
 146     AVAHI_LLIST_HEAD_INIT(StaticService, g->services);
 147     AVAHI_LLIST_PREPEND(StaticServiceGroup, groups, groups, g);
 148
 149     return g;
 150 }
 151
 152 static void static_service_free(StaticService *s) {
 153     assert(s);
 154
 155     AVAHI_LLIST_REMOVE(StaticService, services, s->group->services, s);
 156
 157     avahi_free(s->type);
 158     avahi_free(s->host_name);
 159     avahi_free(s->domain_name);
 160
 161     avahi_string_list_free(s->txt_records);
 162     avahi_string_list_free(s->subtypes);
 163
 164     avahi_free(s);
 165 }
 166
 167 static void static_service_group_free(StaticServiceGroup *g) {
 168     assert(g);
 169
 170     if (g->entry_group)
 171         avahi_s_entry_group_free(g->entry_group);
 172
 173     while (g->services)
 174         static_service_free(g->services);
 175
 176     AVAHI_LLIST_REMOVE(StaticServiceGroup, groups, groups, g);
 177
 178     avahi_free(g->filename);
 179     avahi_free(g->name);
 180     avahi_free(g->chosen_name);
 181     avahi_free(g);
 182 }
 183
 184 static void entry_group_callback(AvahiServer *s, AVAHI_GCC_UNUSED AvahiSEntryGroup *eg, AvahiEntryGroupState state, void* userdata) {
 185     StaticServiceGroup *g = userdata;
 186
 187     assert(s);
 188     assert(g);
 189
 190     switch (state) {
 191
 192         case AVAHI_ENTRY_GROUP_COLLISION: {
 193             char *n;
 194
 195             remove_static_service_group_from_server(g);
 196
 197             n = avahi_alternative_service_name(g->chosen_name);
 198             avahi_free(g->chosen_name);
 199             g->chosen_name = n;
 200
 201             avahi_log_notice("Service name conflict for \"%s\" (%s), retrying with \"%s\".", g->name, g->filename, g->chosen_name);
 202
 203             add_static_service_group_to_server(g);
 204             break;
 205         }
 206
 207         case AVAHI_ENTRY_GROUP_ESTABLISHED:
 208             avahi_log_info("Service \"%s\" (%s) successfully established.", g->chosen_name, g->filename);
 209             break;
 210
 211         case AVAHI_ENTRY_GROUP_FAILURE:
 212             avahi_log_warn("Failed to publish service \"%s\" (%s): %s", g->chosen_name, g->filename, avahi_strerror(avahi_server_errno(s)));
 213             remove_static_service_group_from_server(g);
 214             break;
 215
 216         case AVAHI_ENTRY_GROUP_UNCOMMITED:
 217         case AVAHI_ENTRY_GROUP_REGISTERING:
 218             ;
 219     }
 220 }
 221
 222 static void add_static_service_group_to_server(StaticServiceGroup *g) {
 223     StaticService *s;
 224
 225     assert(g);
 226
 227     if (g->entry_group && !avahi_s_entry_group_is_empty(g->entry_group))
 228         /* This service group is already registered in the server */
 229         return;
 230
 231     if (!g->chosen_name || (g->replace_wildcards && strstr(g->name, "%h"))) {
 232
 233         avahi_free(g->chosen_name);
 234
 235         if (g->replace_wildcards) {
 236             char label[AVAHI_LABEL_MAX];
 237             const char *p;
 238
 239             p = avahi_server_get_host_name(avahi_server);
 240             avahi_unescape_label(&p, label, sizeof(label));
 241
 242             g->chosen_name = replacestr(g->name, "%h", label);
 243         } else
 244             g->chosen_name = avahi_strdup(g->name);
 245
 246     }
 247
 248     if (!g->entry_group)
 249         g->entry_group = avahi_s_entry_group_new(avahi_server, entry_group_callback, g);
 250
 251     assert(avahi_s_entry_group_is_empty(g->entry_group));
 252
 253     for (s = g->services; s; s = s->services_next) {
 254         AvahiStringList *i;
 255
 256         if (avahi_server_add_service_strlst(
 257                 avahi_server,
 258                 g->entry_group,
 259                 AVAHI_IF_UNSPEC, s->protocol,
 260                 0,
 261                 g->chosen_name, s->type, s->domain_name,
 262                 s->host_name, s->port,
 263                 s->txt_records) < 0) {
 264             avahi_log_error("Failed to add service '%s' of type '%s', ignoring service group (%s): %s",
 265                             g->chosen_name, s->type, g->filename,
 266                             avahi_strerror(avahi_server_errno(avahi_server)));
 267             remove_static_service_group_from_server(g);
 268             return;
 269         }
 270
 271         for (i = s->subtypes; i; i = i->next) {
 272
 273             if (avahi_server_add_service_subtype(
 274                     avahi_server,
 275                     g->entry_group,
 276                     AVAHI_IF_UNSPEC, s->protocol,
 277                     0,
 278                     g->chosen_name, s->type, s->domain_name,
 279                     (char*) i->text) < 0) {
 280
 281                 avahi_log_error("Failed to add subtype '%s' for service '%s' of type '%s', ignoring subtype (%s): %s",
 282                                 i->text, g->chosen_name, s->type, g->filename,
 283                                 avahi_strerror(avahi_server_errno(avahi_server)));
 284             }
 285         }
 286     }
 287
 288     avahi_s_entry_group_commit(g->entry_group);
 289 }
 290
 291 static void remove_static_service_group_from_server(StaticServiceGroup *g) {
 292     assert(g);
 293
 294     if (g->entry_group)
 295         avahi_s_entry_group_reset(g->entry_group);
 296 }
 297
 298 typedef enum {
 299     XML_TAG_INVALID,
 300     XML_TAG_SERVICE_GROUP,
 301     XML_TAG_NAME,
 302     XML_TAG_SERVICE,
 303     XML_TAG_TYPE,
 304     XML_TAG_SUBTYPE,
 305     XML_TAG_DOMAIN_NAME,
 306     XML_TAG_HOST_NAME,
 307     XML_TAG_PORT,
 308     XML_TAG_TXT_RECORD
 309 } xml_tag_name;
 310
 311 struct xml_userdata {
 312     StaticServiceGroup *group;
 313     StaticService *service;
 314     xml_tag_name current_tag;
 315     int failed;
 316     char *buf;
 317 };
 318
 319 #ifndef XMLCALL
 320 #define XMLCALL
 321 #endif
 322
 323 static void XMLCALL xml_start(void *data, const char *el, const char *attr[]) {
 324     struct xml_userdata *u = data;
 325
 326     assert(u);
 327
 328     if (u->failed)
 329         return;
 330
 331     if (u->current_tag == XML_TAG_INVALID && strcmp(el, "service-group") == 0) {
 332
 333         if (attr[0])
 334             goto invalid_attr;
 335
 336         u->current_tag = XML_TAG_SERVICE_GROUP;
 337     } else if (u->current_tag == XML_TAG_SERVICE_GROUP && strcmp(el, "name") == 0) {
 338         u->current_tag = XML_TAG_NAME;
 339
 340         if (attr[0]) {
 341             if (strcmp(attr[0], "replace-wildcards") == 0)
 342                 u->group->replace_wildcards = strcmp(attr[1], "yes") == 0;
 343             else
 344                 goto invalid_attr;
 345
 346             if (attr[2])
 347                 goto invalid_attr;
 348         }
 349
 350     } else if (u->current_tag == XML_TAG_SERVICE_GROUP && strcmp(el, "service") == 0) {
 351         u->current_tag = XML_TAG_SERVICE;
 352
 353         assert(!u->service);
 354         u->service = static_service_new(u->group);
 355
 356         if (attr[0]) {
 357             if (strcmp(attr[0], "protocol") == 0) {
 358                 AvahiProtocol protocol;
 359
 360                 if (strcmp(attr[1], "ipv4") == 0) {
 361                     protocol = AVAHI_PROTO_INET;
 362                 } else if (strcmp(attr[1], "ipv6") == 0) {
 363                     protocol = AVAHI_PROTO_INET6;
 364                 } else if (strcmp(attr[1], "any") == 0) {
 365                     protocol = AVAHI_PROTO_UNSPEC;
 366                 } else {
 367                     avahi_log_error("%s: parse failure: invalid protocol specification \"%s\".", u->group->filename, attr[1]);
 368                     u->failed = 1;
 369                     return;
 370                 }
 371
 372                 u->service->protocol = protocol;
 373             } else
 374                 goto invalid_attr;
 375
 376             if (attr[2])
 377                 goto invalid_attr;
 378         }
 379
 380     } else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "type") == 0) {
 381         if (attr[0])
 382             goto invalid_attr;
 383
 384         u->current_tag = XML_TAG_TYPE;
 385     } else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "subtype") == 0) {
 386         if (attr[0])
 387             goto invalid_attr;
 388
 389         u->current_tag = XML_TAG_SUBTYPE;
 390     } else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "domain-name") == 0) {
 391         if (attr[0])
 392             goto invalid_attr;
 393
 394         u->current_tag = XML_TAG_DOMAIN_NAME;
 395     } else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "host-name") == 0) {
 396         if (attr[0])
 397             goto invalid_attr;
 398
 399         u->current_tag = XML_TAG_HOST_NAME;
 400     } else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "port") == 0) {
 401         if (attr[0])
 402             goto invalid_attr;
 403
 404         u->current_tag = XML_TAG_PORT;
 405     } else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "txt-record") == 0) {
 406         if (attr[0])
 407             goto invalid_attr;
 408
 409         u->current_tag = XML_TAG_TXT_RECORD;
 410     } else {
 411         avahi_log_error("%s: parse failure: didn't expect element <%s>.", u->group->filename, el);
 412         u->failed = 1;
 413     }
 414
 415     return;
 416
 417 invalid_attr:
 418     avahi_log_error("%s: parse failure: invalid attribute for element <%s>.", u->group->filename, el);
 419     u->failed = 1;
 420     return;
 421 }
 422
 423 static void XMLCALL xml_end(void *data, AVAHI_GCC_UNUSED const char *el) {
 424     struct xml_userdata *u = data;
 425     assert(u);
 426
 427     if (u->failed)
 428         return;
 429
 430     switch (u->current_tag) {
 431         case XML_TAG_SERVICE_GROUP:
 432
 433             if (!u->group->name || !u->group->services) {
 434                 avahi_log_error("%s: parse failure: service group incomplete.", u->group->filename);
 435                 u->failed = 1;
 436                 return;
 437             }
 438
 439             u->current_tag = XML_TAG_INVALID;
 440             break;
 441
 442         case XML_TAG_SERVICE:
 443
 444             if (!u->service->type) {
 445                 avahi_log_error("%s: parse failure: service incomplete.", u->group->filename);
 446                 u->failed = 1;
 447                 return;
 448             }
 449
 450             u->service = NULL;
 451             u->current_tag = XML_TAG_SERVICE_GROUP;
 452             break;
 453
 454         case XML_TAG_NAME:
 455             u->current_tag = XML_TAG_SERVICE_GROUP;
 456             break;
 457
 458         case XML_TAG_PORT: {
 459             int p;
 460             assert(u->service);
 461
 462             p = u->buf ? atoi(u->buf) : 0;
 463
 464             if (p < 0 || p > 0xFFFF) {
 465                 avahi_log_error("%s: parse failure: invalid port specification \"%s\".", u->group->filename, u->buf);
 466                 u->failed = 1;
 467                 return;
 468             }
 469
 470             u->service->port = (uint16_t) p;
 471
 472             u->current_tag = XML_TAG_SERVICE;
 473             break;
 474         }
 475
 476         case XML_TAG_TXT_RECORD: {
 477             assert(u->service);
 478
 479             u->service->txt_records = avahi_string_list_add(u->service->txt_records, u->buf ? u->buf : "");
 480             u->current_tag = XML_TAG_SERVICE;
 481             break;
 482         }
 483
 484         case XML_TAG_SUBTYPE: {
 485             assert(u->service);
 486
 487             u->service->subtypes = avahi_string_list_add(u->service->subtypes, u->buf ? u->buf : "");
 488             u->current_tag = XML_TAG_SERVICE;
 489             break;
 490         }
 491
 492         case XML_TAG_TYPE:
 493         case XML_TAG_DOMAIN_NAME:
 494         case XML_TAG_HOST_NAME:
 495             u->current_tag = XML_TAG_SERVICE;
 496             break;
 497
 498         case XML_TAG_INVALID:
 499             ;
 500     }
 501
 502     avahi_free(u->buf);
 503     u->buf = NULL;
 504 }
 505
 506 static char *append_cdata(char *t, const char *n, int length) {
 507     char *r, *k;
 508
 509     if (!length)
 510         return t;
 511
 512
 513     k = avahi_strndup(n, length);
 514
 515     if (t) {
 516         r = avahi_strdup_printf("%s%s", t, k);
 517         avahi_free(k);
 518         avahi_free(t);
 519     } else
 520         r = k;
 521
 522     return r;
 523 }
 524
 525 static void XMLCALL xml_cdata(void *data, const XML_Char *s, int len) {
 526     struct xml_userdata *u = data;
 527     assert(u);
 528
 529     if (u->failed)
 530         return;
 531
 532     switch (u->current_tag) {
 533         case XML_TAG_NAME:
 534             u->group->name = append_cdata(u->group->name, s, len);
 535             break;
 536
 537         case XML_TAG_TYPE:
 538             assert(u->service);
 539             u->service->type = append_cdata(u->service->type, s, len);
 540             break;
 541
 542         case XML_TAG_DOMAIN_NAME:
 543             assert(u->service);
 544             u->service->domain_name = append_cdata(u->service->domain_name, s, len);
 545             break;
 546
 547         case XML_TAG_HOST_NAME:
 548             assert(u->service);
 549             u->service->host_name = append_cdata(u->service->host_name, s, len);
 550             break;
 551
 552         case XML_TAG_PORT:
 553         case XML_TAG_TXT_RECORD:
 554         case XML_TAG_SUBTYPE:
 555             assert(u->service);
 556             u->buf = append_cdata(u->buf, s, len);
 557             break;
 558
 559         case XML_TAG_SERVICE_GROUP:
 560         case XML_TAG_SERVICE:
 561         case XML_TAG_INVALID:
 562             ;
 563     }
 564 }
 565
 566 static int static_service_group_load(StaticServiceGroup *g) {
 567     XML_Parser parser = NULL;
 568     int fd = -1;
 569     struct xml_userdata u;
 570     int r = -1;
 571     struct stat st;
 572     ssize_t n;
 573
 574     assert(g);
 575
 576     u.buf = NULL;
 577     u.group = g;
 578     u.service = NULL;
 579     u.current_tag = XML_TAG_INVALID;
 580     u.failed = 0;
 581
 582     /* Cleanup old data in this service group, if available */
 583     remove_static_service_group_from_server(g);
 584     while (g->services)
 585         static_service_free(g->services);
 586
 587     avahi_free(g->name);
 588     avahi_free(g->chosen_name);
 589     g->name = g->chosen_name = NULL;
 590     g->replace_wildcards = 0;
 591
 592     if (!(parser = XML_ParserCreate(NULL))) {
 593         avahi_log_error("XML_ParserCreate() failed.");
 594         goto finish;
 595     }
 596
 597     if ((fd = open(g->filename, O_RDONLY)) < 0) {
 598         avahi_log_error("open(\"%s\", O_RDONLY): %s", g->filename, strerror(errno));
 599         goto finish;
 600     }
 601
 602     if (fstat(fd, &st) < 0) {
 603         avahi_log_error("fstat(): %s", strerror(errno));
 604         goto finish;
 605     }
 606
 607     g->mtime = st.st_mtime;
 608
 609     XML_SetUserData(parser, &u);
 610
 611     XML_SetElementHandler(parser, xml_start, xml_end);
 612     XML_SetCharacterDataHandler(parser, xml_cdata);
 613
 614     do {
 615         void *buffer;
 616
 617 #define BUFSIZE (10*1024)
 618
 619         if (!(buffer = XML_GetBuffer(parser, BUFSIZE))) {
 620             avahi_log_error("XML_GetBuffer() failed.");
 621             goto finish;
 622         }
 623
 624         if ((n = read(fd, buffer, BUFSIZE)) < 0) {
 625             avahi_log_error("read(): %s\n", strerror(errno));
 626             goto finish;
 627         }
 628
 629         if (!XML_ParseBuffer(parser, n, n == 0)) {
 630             avahi_log_error("XML_ParseBuffer() failed at line %d: %s.\n", (int) XML_GetCurrentLineNumber(parser), XML_ErrorString(XML_GetErrorCode(parser)));
 631             goto finish;
 632         }
 633
 634     } while (n != 0);
 635
 636     if (!u.failed)
 637         r = 0;
 638
 639 finish:
 640
 641     if (fd >= 0)
 642         close(fd);
 643
 644     if (parser)
 645         XML_ParserFree(parser);
 646
 647     avahi_free(u.buf);
 648
 649     return r;
 650 }
 651
 652 static void load_file(char *n) {
 653     StaticServiceGroup *g;
 654     assert(n);
 655
 656     for (g = groups; g; g = g->groups_next)
 657         if (strcmp(g->filename, n) == 0)
 658             return;
 659
 660     avahi_log_info("Loading service file %s.", n);
 661
 662     g = static_service_group_new(n);
 663     if (static_service_group_load(g) < 0) {
 664         avahi_log_error("Failed to load service group file %s, ignoring.", g->filename);
 665         static_service_group_free(g);
 666     }
 667 }
 668
 669 void static_service_load(int in_chroot) {
 670     StaticServiceGroup *g, *n;
 671     glob_t globbuf;
 672     int globret;
 673     char **p;
 674
 675     for (g = groups; g; g = n) {
 676         struct stat st;
 677
 678         n = g->groups_next;
 679
 680         if (stat(g->filename, &st) < 0) {
 681
 682             if (errno == ENOENT)
 683                 avahi_log_info("Service group file %s vanished, removing services.", g->filename);
 684             else
 685                 avahi_log_warn("Failed to stat() file %s, ignoring: %s", g->filename, strerror(errno));
 686
 687             static_service_group_free(g);
 688         } else if (st.st_mtime != g->mtime) {
 689             avahi_log_info("Service group file %s changed, reloading.", g->filename);
 690
 691             if (static_service_group_load(g) < 0) {
 692                 avahi_log_warn("Failed to load service group file %s, removing service.", g->filename);
 693                 static_service_group_free(g);
 694             }
 695         }
 696     }
 697
 698     memset(&globbuf, 0, sizeof(globbuf));
 699
 700     if ((globret = glob(in_chroot ? "/services/*.service" : AVAHI_SERVICE_DIR "/*.service", GLOB_ERR, NULL, &globbuf)) != 0)
 701
 702         switch (globret) {
 703 #ifdef GLOB_NOSPACE
 704             case GLOB_NOSPACE:
 705                 avahi_log_error("Not enough memory to read service directory "AVAHI_SERVICE_DIR".");
 706                 break;
 707 #endif
 708 #ifdef GLOB_NOMATCH
 709             case GLOB_NOMATCH:
 710                 avahi_log_info("No service file found in "AVAHI_SERVICE_DIR".");
 711                 break;
 712 #endif
 713             default:
 714                 avahi_log_error("Failed to read "AVAHI_SERVICE_DIR".");
 715                 break;
 716         }
 717
 718     else {
 719         for (p = globbuf.gl_pathv; *p; p++)
 720             load_file(*p);
 721
 722         globfree(&globbuf);
 723     }
 724 }
 725
 726 void static_service_free_all(void) {
 727
 728     while (groups)
 729         static_service_group_free(groups);
 730 }
 731
 732 void static_service_add_to_server(void) {
 733     StaticServiceGroup *g;
 734
 735     for (g = groups; g; g = g->groups_next)
 736         add_static_service_group_to_server(g);
 737 }
 738
 739 void static_service_remove_from_server(void) {
 740     StaticServiceGroup *g;
 741
 742     for (g = groups; g; g = g->groups_next)
 743         remove_static_service_group_from_server(g);
 744 }