nsswitch/winbind_nss_solaris.c

   1 /*
   2   Solaris NSS wrapper for winbind
   3   - Shirish Kalele 2000
   4
   5   Based on Luke Howard's ldap_nss module for Solaris
   6   */
   7
   8 /*
   9   Copyright (C) 1997-2003 Luke Howard.
  10   This file is part of the nss_ldap library.
  11
  12   The nss_ldap library is free software; you can redistribute it and/or
  13   modify it under the terms of the GNU Lesser General Public License as
  14   published by the Free Software Foundation; either version 3 of the
  15   License, or (at your option) any later version.
  16
  17   The nss_ldap library is distributed in the hope that it will be useful,
  18   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20   Library General Public License for more details.
  21
  22   You should have received a copy of the GNU Lesser General Public
  23   License along with the nss_ldap library; see the file COPYING.LIB.  If not,
  24   see <http://www.gnu.org/licenses/>.
  25 */
  26
  27 #undef DEVELOPER
  28
  29
  30 #include "winbind_client.h"
  31 #include <stdlib.h>
  32 #include <sys/types.h>
  33 #include <sys/param.h>
  34 #include <string.h>
  35 #include <pwd.h>
  36 #include <syslog.h>
  37
  38 #if !defined(HPUX)
  39 #include <sys/syslog.h>
  40 #endif /*hpux*/
  41
  42 #if defined(HAVE_NSS_COMMON_H) || defined(HPUX)
  43
  44 #undef NSS_DEBUG
  45
  46 #ifdef NSS_DEBUG
  47 #define NSS_DEBUG(str) syslog(LOG_DEBUG, "nss_winbind: %s", str);
  48 #else
  49 #define NSS_DEBUG(str) ;
  50 #endif
  51
  52 #if !defined(SMB_MALLOC_P)
  53 #define SMB_MALLOC_P(type) (type *)malloc(sizeof(type))
  54 #endif
  55
  56 #define NSS_ARGS(args) ((nss_XbyY_args_t *)args)
  57
  58 #ifdef HPUX
  59
  60 /*
  61  * HP-UX 11 has no definiton of the nss_groupsbymem structure.   This
  62  * definition is taken from the nss_ldap project at:
  63  *  http://www.padl.com/OSS/nss_ldap.html
  64  */
  65
  66 struct nss_groupsbymem {
  67        const char *username;
  68        gid_t *gid_array;
  69        int maxgids;
  70        int force_slow_way;
  71        int (*str2ent)(const char *instr, int instr_len, void *ent,
  72                       char *buffer, int buflen);
  73        nss_status_t (*process_cstr)(const char *instr, int instr_len,
  74                                     struct nss_groupsbymem *);
  75        int numgids;
  76 };
  77
  78 #endif /* HPUX */
  79
  80 static NSS_STATUS _nss_winbind_setpwent_solwrap (nss_backend_t* be, void* args)
  81 {
  82         NSS_DEBUG("_nss_winbind_setpwent_solwrap");
  83         return _nss_winbind_setpwent();
  84 }
  85
  86 static NSS_STATUS
  87 _nss_winbind_endpwent_solwrap (nss_backend_t * be, void *args)
  88 {
  89         NSS_DEBUG("_nss_winbind_endpwent_solwrap");
  90         return _nss_winbind_endpwent();
  91 }
  92
  93 static NSS_STATUS
  94 _nss_winbind_getpwent_solwrap (nss_backend_t* be, void *args)
  95 {
  96         NSS_STATUS ret;
  97         char* buffer = NSS_ARGS(args)->buf.buffer;
  98         int buflen = NSS_ARGS(args)->buf.buflen;
  99         struct passwd* result = (struct passwd*) NSS_ARGS(args)->buf.result;
 100         int* errnop = &NSS_ARGS(args)->erange;
 101         char logmsg[80];
 102
 103         ret = _nss_winbind_getpwent_r(result, buffer,
 104                                       buflen, errnop);
 105
 106         if(ret == NSS_STATUS_SUCCESS)
 107                 {
 108                         snprintf(logmsg, 79, "_nss_winbind_getpwent_solwrap: Returning user: %s\n",
 109                                  result->pw_name);
 110                         NSS_DEBUG(logmsg);
 111                         NSS_ARGS(args)->returnval = (void*) result;
 112                 } else {
 113                         snprintf(logmsg, 79, "_nss_winbind_getpwent_solwrap: Returning error: %d.\n",ret);
 114                         NSS_DEBUG(logmsg);
 115                 }
 116
 117         return ret;
 118 }
 119
 120 static NSS_STATUS
 121 _nss_winbind_getpwnam_solwrap (nss_backend_t* be, void* args)
 122 {
 123         NSS_STATUS ret;
 124         struct passwd* result = (struct passwd*) NSS_ARGS(args)->buf.result;
 125
 126         NSS_DEBUG("_nss_winbind_getpwnam_solwrap");
 127
 128         ret = _nss_winbind_getpwnam_r (NSS_ARGS(args)->key.name,
 129                                                 result,
 130                                                 NSS_ARGS(args)->buf.buffer,
 131                                                 NSS_ARGS(args)->buf.buflen,
 132                                                 &NSS_ARGS(args)->erange);
 133         if(ret == NSS_STATUS_SUCCESS)
 134                 NSS_ARGS(args)->returnval = (void*) result;
 135
 136         return ret;
 137 }
 138
 139 static NSS_STATUS
 140 _nss_winbind_getpwuid_solwrap(nss_backend_t* be, void* args)
 141 {
 142         NSS_STATUS ret;
 143         struct passwd* result = (struct passwd*) NSS_ARGS(args)->buf.result;
 144
 145         NSS_DEBUG("_nss_winbind_getpwuid_solwrap");
 146         ret = _nss_winbind_getpwuid_r (NSS_ARGS(args)->key.uid,
 147                                        result,
 148                                        NSS_ARGS(args)->buf.buffer,
 149                                        NSS_ARGS(args)->buf.buflen,
 150                                        &NSS_ARGS(args)->erange);
 151         if(ret == NSS_STATUS_SUCCESS)
 152                 NSS_ARGS(args)->returnval = (void*) result;
 153
 154         return ret;
 155 }
 156
 157 static NSS_STATUS _nss_winbind_passwd_destr (nss_backend_t * be, void *args)
 158 {
 159         SAFE_FREE(be);
 160         NSS_DEBUG("_nss_winbind_passwd_destr");
 161         return NSS_STATUS_SUCCESS;
 162 }
 163
 164 static nss_backend_op_t passwd_ops[] =
 165 {
 166         _nss_winbind_passwd_destr,
 167         _nss_winbind_endpwent_solwrap,          /* NSS_DBOP_ENDENT */
 168         _nss_winbind_setpwent_solwrap,          /* NSS_DBOP_SETENT */
 169         _nss_winbind_getpwent_solwrap,          /* NSS_DBOP_GETENT */
 170         _nss_winbind_getpwnam_solwrap,          /* NSS_DBOP_PASSWD_BYNAME */
 171         _nss_winbind_getpwuid_solwrap           /* NSS_DBOP_PASSWD_BYUID */
 172 };
 173
 174 nss_backend_t*
 175 _nss_winbind_passwd_constr (const char* db_name,
 176                             const char* src_name,
 177                             const char* cfg_args)
 178 {
 179         nss_backend_t *be;
 180
 181         if(!(be = SMB_MALLOC_P(nss_backend_t)) )
 182                 return NULL;
 183
 184         be->ops = passwd_ops;
 185         be->n_ops = sizeof(passwd_ops) / sizeof(nss_backend_op_t);
 186
 187         NSS_DEBUG("Initialized nss_winbind passwd backend");
 188         return be;
 189 }
 190
 191 /*****************************************************************
 192  GROUP database backend
 193  *****************************************************************/
 194
 195 static NSS_STATUS _nss_winbind_setgrent_solwrap (nss_backend_t* be, void* args)
 196 {
 197         NSS_DEBUG("_nss_winbind_setgrent_solwrap");
 198         return _nss_winbind_setgrent();
 199 }
 200
 201 static NSS_STATUS
 202 _nss_winbind_endgrent_solwrap (nss_backend_t * be, void *args)
 203 {
 204         NSS_DEBUG("_nss_winbind_endgrent_solwrap");
 205         return _nss_winbind_endgrent();
 206 }
 207
 208 static NSS_STATUS
 209 _nss_winbind_getgrent_solwrap(nss_backend_t* be, void* args)
 210 {
 211         NSS_STATUS ret;
 212         char* buffer = NSS_ARGS(args)->buf.buffer;
 213         int buflen = NSS_ARGS(args)->buf.buflen;
 214         struct group* result = (struct group*) NSS_ARGS(args)->buf.result;
 215         int* errnop = &NSS_ARGS(args)->erange;
 216         char logmsg[80];
 217
 218         ret = _nss_winbind_getgrent_r(result, buffer,
 219                                       buflen, errnop);
 220
 221         if(ret == NSS_STATUS_SUCCESS)
 222                 {
 223                         snprintf(logmsg, 79, "_nss_winbind_getgrent_solwrap: Returning group: %s\n", result->gr_name);
 224                         NSS_DEBUG(logmsg);
 225                         NSS_ARGS(args)->returnval = (void*) result;
 226                 } else {
 227                         snprintf(logmsg, 79, "_nss_winbind_getgrent_solwrap: Returning error: %d.\n", ret);
 228                         NSS_DEBUG(logmsg);
 229                 }
 230
 231         return ret;
 232
 233 }
 234
 235 static NSS_STATUS
 236 _nss_winbind_getgrnam_solwrap(nss_backend_t* be, void* args)
 237 {
 238         NSS_STATUS ret;
 239         struct group* result = (struct group*) NSS_ARGS(args)->buf.result;
 240
 241         NSS_DEBUG("_nss_winbind_getgrnam_solwrap");
 242         ret = _nss_winbind_getgrnam_r(NSS_ARGS(args)->key.name,
 243                                       result,
 244                                       NSS_ARGS(args)->buf.buffer,
 245                                       NSS_ARGS(args)->buf.buflen,
 246                                       &NSS_ARGS(args)->erange);
 247
 248         if(ret == NSS_STATUS_SUCCESS)
 249                 NSS_ARGS(args)->returnval = (void*) result;
 250
 251         if (NSS_ARGS(args)->erange == ERANGE && ret == NSS_STATUS_TRYAGAIN)
 252                 return NSS_STATUS_UNAVAIL;
 253
 254         return ret;
 255 }
 256
 257 static NSS_STATUS
 258 _nss_winbind_getgrgid_solwrap(nss_backend_t* be, void* args)
 259 {
 260         NSS_STATUS ret;
 261         struct group* result = (struct group*) NSS_ARGS(args)->buf.result;
 262
 263         NSS_DEBUG("_nss_winbind_getgrgid_solwrap");
 264         ret = _nss_winbind_getgrgid_r (NSS_ARGS(args)->key.gid,
 265                                        result,
 266                                        NSS_ARGS(args)->buf.buffer,
 267                                        NSS_ARGS(args)->buf.buflen,
 268                                        &NSS_ARGS(args)->erange);
 269
 270         if(ret == NSS_STATUS_SUCCESS)
 271                 NSS_ARGS(args)->returnval = (void*) result;
 272
 273         if (NSS_ARGS(args)->erange == ERANGE && ret == NSS_STATUS_TRYAGAIN)
 274                 return NSS_STATUS_UNAVAIL;
 275
 276         return ret;
 277 }
 278
 279 static NSS_STATUS
 280 _nss_winbind_getgroupsbymember_solwrap(nss_backend_t* be, void* args)
 281 {
 282         int errnop;
 283         struct nss_groupsbymem *gmem = (struct nss_groupsbymem *)args;
 284         long int numgids = gmem->numgids;
 285         long int maxgids = gmem->maxgids;
 286
 287         NSS_DEBUG("_nss_winbind_getgroupsbymember");
 288
 289         _nss_winbind_initgroups_dyn(gmem->username,
 290                 gmem->gid_array[0], /* Primary Group */
 291                 &numgids,
 292                 &maxgids,
 293                 &gmem->gid_array,
 294                 gmem->maxgids,
 295                 &errnop);
 296
 297         gmem->numgids = numgids;
 298         gmem->maxgids = maxgids;
 299
 300         /*
 301          * If the maximum number of gids have been found, return
 302          * SUCCESS so the switch engine will stop searching. Otherwise
 303          * return NOTFOUND so nsswitch will continue to get groups
 304          * from the remaining database backends specified in the
 305          * nsswitch.conf file.
 306          */
 307         return (gmem->numgids == gmem->maxgids ? NSS_STATUS_SUCCESS : NSS_STATUS_NOTFOUND);
 308 }
 309
 310 static NSS_STATUS
 311 _nss_winbind_group_destr (nss_backend_t* be, void* args)
 312 {
 313         SAFE_FREE(be);
 314         NSS_DEBUG("_nss_winbind_group_destr");
 315         return NSS_STATUS_SUCCESS;
 316 }
 317
 318 static nss_backend_op_t group_ops[] =
 319 {
 320         _nss_winbind_group_destr,
 321         _nss_winbind_endgrent_solwrap,
 322         _nss_winbind_setgrent_solwrap,
 323         _nss_winbind_getgrent_solwrap,
 324         _nss_winbind_getgrnam_solwrap,
 325         _nss_winbind_getgrgid_solwrap,
 326         _nss_winbind_getgroupsbymember_solwrap
 327 };
 328
 329 nss_backend_t*
 330 _nss_winbind_group_constr (const char* db_name,
 331                            const char* src_name,
 332                            const char* cfg_args)
 333 {
 334         nss_backend_t* be;
 335
 336         if(!(be = SMB_MALLOC_P(nss_backend_t)) )
 337                 return NULL;
 338
 339         be->ops = group_ops;
 340         be->n_ops = sizeof(group_ops) / sizeof(nss_backend_op_t);
 341
 342         NSS_DEBUG("Initialized nss_winbind group backend");
 343         return be;
 344 }
 345
 346 /*****************************************************************
 347  hosts and ipnodes backend
 348  *****************************************************************/
 349 #if defined(SUNOS5)     /* not compatible with HP-UX */
 350
 351 /* this parser is shared between get*byname and get*byaddr, as key type
 352    in request is stored in different locations, I had to provide the
 353    address family as an argument, caller must free the winbind response. */
 354
 355 static NSS_STATUS
 356 parse_response(int af, nss_XbyY_args_t* argp, struct winbindd_response *response)
 357 {
 358         struct hostent *he = (struct hostent *)argp->buf.result;
 359         char *buffer = argp->buf.buffer;
 360         int buflen =  argp->buf.buflen;
 361         NSS_STATUS ret;
 362
 363         char *p, *data;
 364         int addrcount = 0;
 365         int len = 0;
 366         struct in_addr *addrp;
 367 #if defined(AF_INET6)
 368         struct in6_addr *addrp6;
 369 #endif
 370         int i;
 371
 372         /* response is tab separated list of ip addresses with hostname
 373            and newline at the end. so at first we will strip newline
 374            then construct list of addresses for hostent.
 375         */
 376         p = strchr(response->data.winsresp, '\n');
 377         if(p) *p = '\0';
 378         else {/* it must be broken */
 379                 argp->h_errno = NO_DATA;
 380                 return NSS_STATUS_UNAVAIL;
 381         }
 382
 383         for(; p != response->data.winsresp; p--) {
 384                 if(*p == '\t') addrcount++;
 385         }
 386
 387         if(addrcount == 0) {/* it must be broken */
 388                 argp->h_errno = NO_DATA;
 389                 return NSS_STATUS_UNAVAIL;
 390         }
 391
 392         /* allocate space for addresses and h_addr_list */
 393         he->h_addrtype = af;
 394         if( he->h_addrtype == AF_INET) {
 395                 he->h_length =  sizeof(struct in_addr);
 396                 addrp = (struct in_addr *)ROUND_DOWN(buffer + buflen,
 397                                                 sizeof(struct in_addr));
 398                 addrp -= addrcount;
 399                 he->h_addr_list = (char **)ROUND_DOWN(addrp, sizeof (char*));
 400                 he->h_addr_list -= addrcount+1;
 401         }
 402 #if defined(AF_INET6)
 403         else {
 404                 he->h_length = sizeof(struct in6_addr);
 405                 addrp6 = (struct in6_addr *)ROUND_DOWN(buffer + buflen,
 406                                                 sizeof(struct in6_addr));
 407                 addrp6 -= addrcount;
 408                 he->h_addr_list = (char **)ROUND_DOWN(addrp6, sizeof (char*));
 409                 he->h_addr_list -= addrcount+1;
 410         }
 411 #endif
 412
 413         /* buffer too small?! */
 414         if((char *)he->h_addr_list < buffer ) {
 415                 argp->erange = 1;
 416                 return NSS_STR_PARSE_ERANGE;
 417         }
 418
 419         data = response->data.winsresp;
 420         for( i = 0; i < addrcount; i++) {
 421                 p = strchr(data, '\t');
 422                 if(p == NULL) break; /* just in case... */
 423
 424                 *p = '\0'; /* terminate the string */
 425                 if(he->h_addrtype == AF_INET) {
 426                   he->h_addr_list[i] = (char *)&addrp[i];
 427                   if ((addrp[i].s_addr = inet_addr(data)) == -1) {
 428                     argp->erange = 1;
 429                     return NSS_STR_PARSE_ERANGE;
 430                   }
 431                 }
 432 #if defined(AF_INET6)
 433                 else {
 434                   he->h_addr_list[i] = (char *)&addrp6[i];
 435                   if (strchr(data, ':') != 0) {
 436                         if (inet_pton(AF_INET6, data, &addrp6[i]) != 1) {
 437                           argp->erange = 1;
 438                           return NSS_STR_PARSE_ERANGE;
 439                         }
 440                   } else {
 441                         struct in_addr in4;
 442                         if ((in4.s_addr = inet_addr(data)) == -1) {
 443                           argp->erange = 1;
 444                           return NSS_STR_PARSE_ERANGE;
 445                         }
 446                         IN6_INADDR_TO_V4MAPPED(&in4, &addrp6[i]);
 447                   }
 448                 }
 449 #endif
 450                 data = p+1;
 451         }
 452
 453         he->h_addr_list[i] = (char *)NULL;
 454
 455         len = strlen(data);
 456         if(len > he->h_addr_list - (char**)argp->buf.buffer) {
 457                 argp->erange = 1;
 458                 return NSS_STR_PARSE_ERANGE;
 459         }
 460
 461         /* this is a bit overkill to use _nss_netdb_aliases here since
 462            there seems to be no aliases but it will create all data for us */
 463         he->h_aliases = _nss_netdb_aliases(data, len, buffer,
 464                                 ((char*) he->h_addr_list) - buffer);
 465         if(he->h_aliases == NULL) {
 466             argp->erange = 1;
 467             ret = NSS_STR_PARSE_ERANGE;
 468         } else {
 469             he->h_name = he->h_aliases[0];
 470             he->h_aliases++;
 471             ret = NSS_STR_PARSE_SUCCESS;
 472         }
 473
 474         argp->returnval = (void*)he;
 475         return ret;
 476 }
 477
 478 static NSS_STATUS
 479 _nss_winbind_ipnodes_getbyname(nss_backend_t* be, void *args)
 480 {
 481         nss_XbyY_args_t *argp = (nss_XbyY_args_t*) args;
 482         struct winbindd_response response;
 483         struct winbindd_request request;
 484         NSS_STATUS ret;
 485         int af;
 486
 487         ZERO_STRUCT(response);
 488         ZERO_STRUCT(request);
 489
 490         /* I assume there that AI_ADDRCONFIG cases are handled in nss
 491            frontend code, at least it seems done so in solaris...
 492
 493            we will give NO_DATA for pure IPv6; IPv4 will be returned for
 494            AF_INET or for AF_INET6 and AI_ALL|AI_V4MAPPED we have to map
 495            IPv4 to IPv6.
 496          */
 497 #if defined(AF_INET6)
 498 #ifdef HAVE_NSS_XBYY_KEY_IPNODE
 499         af = argp->key.ipnode.af_family;
 500         if(af == AF_INET6 && argp->key.ipnode.flags == 0) {
 501                 argp->h_errno = NO_DATA;
 502                 return NSS_STATUS_UNAVAIL;
 503         }
 504 #else
 505         /* I'm not that sure if this is correct, but... */
 506         af = AF_INET6;
 507 #endif
 508 #endif
 509
 510         strncpy(request.data.winsreq, argp->key.name, sizeof(request.data.winsreq) - 1);
 511         request.data.winsreq[sizeof(request.data.winsreq) - 1] = '\0';
 512
 513         if( (ret = winbindd_request_response(NULL, WINBINDD_WINS_BYNAME,
 514                                              &request, &response))
 515                 == NSS_STATUS_SUCCESS ) {
 516           ret = parse_response(af, argp, &response);
 517         }
 518
 519         winbindd_free_response(&response);
 520         return ret;
 521 }
 522
 523 static NSS_STATUS
 524 _nss_winbind_hosts_getbyname(nss_backend_t* be, void *args)
 525 {
 526         nss_XbyY_args_t *argp = (nss_XbyY_args_t*) args;
 527         struct winbindd_response response;
 528         struct winbindd_request request;
 529         NSS_STATUS ret;
 530
 531         ZERO_STRUCT(response);
 532         ZERO_STRUCT(request);
 533
 534         strncpy(request.data.winsreq, argp->key.name, sizeof(request.data.winsreq) - 1);
 535         request.data.winsreq[sizeof(request.data.winsreq) - 1] = '\0';
 536
 537         if( (ret = winbindd_request_response(NULL, WINBINDD_WINS_BYNAME,
 538                                              &request, &response))
 539                 == NSS_STATUS_SUCCESS ) {
 540           ret = parse_response(AF_INET, argp, &response);
 541         }
 542
 543         winbindd_free_response(&response);
 544         return ret;
 545 }
 546
 547 static NSS_STATUS
 548 _nss_winbind_hosts_getbyaddr(nss_backend_t* be, void *args)
 549 {
 550         NSS_STATUS ret;
 551         struct winbindd_response response;
 552         struct winbindd_request request;
 553         nss_XbyY_args_t *argp = (nss_XbyY_args_t *)args;
 554         const char *p;
 555
 556         ZERO_STRUCT(response);
 557         ZERO_STRUCT(request);
 558
 559 #if defined(AF_INET6)
 560         /* winbindd currently does not resolve IPv6 */
 561         if(argp->key.hostaddr.type == AF_INET6) {
 562                 argp->h_errno = NO_DATA;
 563                 return NSS_STATUS_UNAVAIL;
 564         }
 565
 566         p = inet_ntop(argp->key.hostaddr.type, argp->key.hostaddr.addr,
 567                         request.data.winsreq, sizeof request.data.winsreq);
 568 #else
 569         snprintf(request.data.winsreq, sizeof request.data.winsreq,
 570                 "%u.%u.%u.%u",
 571                 ((unsigned char *)argp->key.hostaddr.addr)[0],
 572                 ((unsigned char *)argp->key.hostaddr.addr)[1],
 573                 ((unsigned char *)argp->key.hostaddr.addr)[2],
 574                 ((unsigned char *)argp->key.hostaddr.addr)[3]);
 575 #endif
 576
 577         ret = winbindd_request_response(NULL, WINBINDD_WINS_BYIP,
 578                                         &request, &response);
 579
 580         if( ret == NSS_STATUS_SUCCESS) {
 581           parse_response(argp->key.hostaddr.type, argp, &response);
 582         }
 583         winbindd_free_response(&response);
 584         return ret;
 585 }
 586
 587 /* winbind does not provide setent, getent, endent for wins */
 588 static NSS_STATUS
 589 _nss_winbind_common_endent(nss_backend_t* be, void *args)
 590 {
 591         return (NSS_STATUS_UNAVAIL);
 592 }
 593
 594 static NSS_STATUS
 595 _nss_winbind_common_setent(nss_backend_t* be, void *args)
 596 {
 597         return (NSS_STATUS_UNAVAIL);
 598 }
 599
 600 static NSS_STATUS
 601 _nss_winbind_common_getent(nss_backend_t* be, void *args)
 602 {
 603         return (NSS_STATUS_UNAVAIL);
 604 }
 605
 606 static nss_backend_t*
 607 _nss_winbind_common_constr (nss_backend_op_t ops[], int n_ops)
 608 {
 609         nss_backend_t* be;
 610
 611         if(!(be = SMB_MALLOC_P(nss_backend_t)) )
 612         return NULL;
 613
 614         be->ops = ops;
 615         be->n_ops = n_ops;
 616
 617         return be;
 618 }
 619
 620 static NSS_STATUS
 621 _nss_winbind_common_destr (nss_backend_t* be, void* args)
 622 {
 623         SAFE_FREE(be);
 624         return NSS_STATUS_SUCCESS;
 625 }
 626
 627 static nss_backend_op_t ipnodes_ops[] = {
 628         _nss_winbind_common_destr,
 629         _nss_winbind_common_endent,
 630         _nss_winbind_common_setent,
 631         _nss_winbind_common_getent,
 632         _nss_winbind_ipnodes_getbyname,
 633         _nss_winbind_hosts_getbyaddr,
 634 };
 635
 636 nss_backend_t *
 637 _nss_winbind_ipnodes_constr(dummy1, dummy2, dummy3)
 638         const char      *dummy1, *dummy2, *dummy3;
 639 {
 640         return (_nss_winbind_common_constr(ipnodes_ops,
 641                 sizeof (ipnodes_ops) / sizeof (ipnodes_ops[0])));
 642 }
 643
 644 static nss_backend_op_t host_ops[] = {
 645         _nss_winbind_common_destr,
 646         _nss_winbind_common_endent,
 647         _nss_winbind_common_setent,
 648         _nss_winbind_common_getent,
 649         _nss_winbind_hosts_getbyname,
 650         _nss_winbind_hosts_getbyaddr,
 651 };
 652
 653 nss_backend_t *
 654 _nss_winbind_hosts_constr(dummy1, dummy2, dummy3)
 655         const char      *dummy1, *dummy2, *dummy3;
 656 {
 657         return (_nss_winbind_common_constr(host_ops,
 658                 sizeof (host_ops) / sizeof (host_ops[0])));
 659 }
 660
 661 #endif  /* defined(SUNOS5) */
 662 #endif  /* defined(HAVE_NSS_COMMON_H) || defined(HPUX) */