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

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