source3/passdb/pdb_xml.c

   1
   2 /*
   3  * XML password backend for samba
   4  * Copyright (C) Jelmer Vernooij 2002
   5  * Some parts based on the libxml gjobread example by Daniel Veillard
   6  *
   7  * This program is free software; you can redistribute it and/or modify it under
   8  * the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 675
  19  * Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 /* FIXME:
  23  * - Support stdin input by using '-'
  24  * - Be faster. Don't rewrite the whole file when adding a user, but store it in the memory and save it when exiting. Requires changes to samba source.
  25  * - Gives the ability to read/write to standard input/output
  26  * - Do locking!
  27  * - Better names!
  28  */
  29
  30
  31 #define XML_URL "http://www.samba.org/ns"
  32
  33 #include "includes.h"
  34
  35 #include <libxml/xmlmemory.h>
  36 #include <libxml/parser.h>
  37
  38 static int xmlsam_debug_level = DBGC_ALL;
  39
  40 #undef DBGC_CLASS
  41 #define DBGC_CLASS xmlsam_debug_level
  42
  43 PDB_MODULE_VERSIONING_MAGIC
  44
  45 static char * iota(int a) {
  46         static char tmp[10];
  47
  48         snprintf(tmp, 9, "%d", a);
  49         return tmp;
  50 }
  51
  52 BOOL parsePass(xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur, SAM_ACCOUNT * u)
  53 {
  54         pstring temp;
  55
  56         cur = cur->xmlChildrenNode;
  57         while (cur != NULL) {
  58                 if (strcmp(cur->name, "crypt"))
  59                         DEBUG(0, ("Unknown element %s\n", cur->name));
  60                 else {
  61                         if (!strcmp(xmlGetProp(cur, "type"), "nt")
  62                                 &&
  63                                 pdb_gethexpwd(xmlNodeListGetString
  64                                                           (doc, cur->xmlChildrenNode, 1), temp))
  65                                 pdb_set_nt_passwd(u, temp, PDB_SET);
  66                         else if (!strcmp(xmlGetProp(cur, "type"), "lanman")
  67                                          &&
  68                                          pdb_gethexpwd(xmlNodeListGetString
  69                                                                    (doc, cur->xmlChildrenNode, 1), temp))
  70                                 pdb_set_lanman_passwd(u, temp, PDB_SET);
  71                         else
  72                                 DEBUG(0,
  73                                           ("Unknown crypt type: %s\n",
  74                                            xmlGetProp(cur, "type")));
  75                 }
  76                 cur = cur->next;
  77         }
  78         return True;
  79 }
  80
  81 BOOL parseUser(xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur, SAM_ACCOUNT * u)
  82 {
  83         char *tmp;
  84         DOM_SID sid;
  85
  86         tmp = xmlGetProp(cur, "sid");
  87         if (tmp){
  88                 string_to_sid(&sid, tmp);
  89                 pdb_set_user_sid(u, &sid, PDB_SET);
  90         }
  91         tmp = xmlGetProp(cur, "uid");
  92         if (tmp)
  93                 pdb_set_uid(u, atol(tmp), PDB_SET);
  94         pdb_set_username(u, xmlGetProp(cur, "name"), PDB_SET);
  95         /* We don't care what the top level element name is */
  96         cur = cur->xmlChildrenNode;
  97         while (cur != NULL) {
  98                 if ((!strcmp(cur->name, "group")) && (cur->ns == ns)) {
  99                         tmp = xmlGetProp(cur, "gid");
 100                         if (tmp)
 101                                 pdb_set_gid(u, atol(tmp), PDB_SET);
 102                         tmp = xmlGetProp(cur, "sid");
 103                         if (tmp){
 104                                 string_to_sid(&sid, tmp);
 105                                 pdb_set_group_sid(u, &sid, PDB_SET);
 106                         }
 107                 }
 108
 109                 else if ((!strcmp(cur->name, "domain")) && (cur->ns == ns))
 110                         pdb_set_domain(u,
 111                                                    xmlNodeListGetString(doc, cur->xmlChildrenNode,
 112                                                                                                 1), PDB_SET);
 113
 114                 else if (!strcmp(cur->name, "fullname") && cur->ns == ns)
 115                         pdb_set_fullname(u,
 116                                                          xmlNodeListGetString(doc,
 117                                                                                                   cur->xmlChildrenNode,
 118                                                                                                   1), PDB_SET);
 119
 120                 else if (!strcmp(cur->name, "nt_username") && cur->ns == ns)
 121                         pdb_set_nt_username(u,
 122                                                                 xmlNodeListGetString(doc,
 123                                                                                                          cur->xmlChildrenNode,
 124                                                                                                          1), PDB_SET);
 125
 126                 else if (!strcmp(cur->name, "logon_script") && cur->ns == ns)
 127                         pdb_set_logon_script(u,
 128                                                                  xmlNodeListGetString(doc,
 129                                                                                                           cur->xmlChildrenNode,
 130                                                                                                           1), PDB_SET);
 131
 132                 else if (!strcmp(cur->name, "profile_path") && cur->ns == ns)
 133                         pdb_set_profile_path(u,
 134                                                                  xmlNodeListGetString(doc,
 135                                                                                                           cur->xmlChildrenNode,
 136                                                                                                           1), PDB_SET);
 137
 138                 else if (!strcmp(cur->name, "logon_time") && cur->ns == ns)
 139                         pdb_set_logon_time(u,
 140                                                            atol(xmlNodeListGetString
 141                                                                         (doc, cur->xmlChildrenNode, 1)), PDB_SET);
 142
 143                 else if (!strcmp(cur->name, "logoff_time") && cur->ns == ns)
 144                         pdb_set_logoff_time(u,
 145                                                                 atol(xmlNodeListGetString
 146                                                                          (doc, cur->xmlChildrenNode, 1)),
 147                                                                 PDB_SET);
 148
 149                 else if (!strcmp(cur->name, "kickoff_time") && cur->ns == ns)
 150                         pdb_set_kickoff_time(u,
 151                                                                  atol(xmlNodeListGetString
 152                                                                           (doc, cur->xmlChildrenNode, 1)),
 153                                                                  PDB_SET);
 154
 155                 else if (!strcmp(cur->name, "logon_divs") && cur->ns == ns)
 156                         pdb_set_logon_divs(u,
 157                                                            atol(xmlNodeListGetString
 158                                                                         (doc, cur->xmlChildrenNode, 1)), PDB_SET);
 159
 160                 else if (!strcmp(cur->name, "hours_len") && cur->ns == ns)
 161                         pdb_set_hours_len(u,
 162                                                           atol(xmlNodeListGetString
 163                                                                    (doc, cur->xmlChildrenNode, 1)), PDB_SET);
 164
 165                 else if (!strcmp(cur->name, "unknown_3") && cur->ns == ns)
 166                         pdb_set_unknown_3(u,
 167                                                           atol(xmlNodeListGetString
 168                                                                    (doc, cur->xmlChildrenNode, 1)), PDB_SET);
 169
 170                 else if (!strcmp(cur->name, "unknown_5") && cur->ns == ns)
 171                         pdb_set_unknown_5(u,
 172                                                           atol(xmlNodeListGetString
 173                                                                    (doc, cur->xmlChildrenNode, 1)), PDB_SET);
 174
 175                 else if (!strcmp(cur->name, "unknown_6") && cur->ns == ns)
 176                         pdb_set_unknown_6(u,
 177                                                           atol(xmlNodeListGetString
 178                                                                    (doc, cur->xmlChildrenNode, 1)), PDB_SET);
 179
 180                 else if (!strcmp(cur->name, "homedir") && cur->ns == ns)
 181                         pdb_set_homedir(u,
 182                                                         xmlNodeListGetString(doc, cur->xmlChildrenNode,
 183                                                                                                  1), PDB_SET);
 184
 185                 else if (!strcmp(cur->name, "unknown_str") && cur->ns == ns)
 186                         pdb_set_unknown_str(u,
 187                                                                 xmlNodeListGetString(doc,
 188                                                                                                          cur->xmlChildrenNode,
 189                                                                                                          1), PDB_SET);
 190
 191                 else if (!strcmp(cur->name, "dir_drive") && cur->ns == ns)
 192                         pdb_set_dir_drive(u,
 193                                                           xmlNodeListGetString(doc,
 194                                                                                                    cur->xmlChildrenNode,
 195                                                                                                    1), PDB_SET);
 196
 197                 else if (!strcmp(cur->name, "munged_dial") && cur->ns == ns)
 198                         pdb_set_munged_dial(u,
 199                                                                 xmlNodeListGetString(doc,
 200                                                                                                          cur->xmlChildrenNode,
 201                                                                                                          1), PDB_SET);
 202
 203                 else if (!strcmp(cur->name, "acct_desc") && cur->ns == ns)
 204                         pdb_set_acct_desc(u,
 205                                                           xmlNodeListGetString(doc,
 206                                                                                                    cur->xmlChildrenNode,
 207                                                                                                    1), PDB_SET);
 208
 209                 else if (!strcmp(cur->name, "acct_ctrl") && cur->ns == ns)
 210                         pdb_set_acct_ctrl(u,
 211                                                           atol(xmlNodeListGetString
 212                                                                    (doc, cur->xmlChildrenNode, 1)), PDB_SET);
 213
 214                 else if (!strcmp(cur->name, "workstations") && cur->ns == ns)
 215                         pdb_set_workstations(u,
 216                                                                  xmlNodeListGetString(doc,
 217                                                                                                           cur->xmlChildrenNode,
 218                                                                                                           1), PDB_SET);
 219
 220                 else if ((!strcmp(cur->name, "password")) && (cur->ns == ns)) {
 221                         tmp = xmlGetProp(cur, "last_set");
 222                         if (tmp)
 223                                 pdb_set_pass_last_set_time(u, atol(tmp), PDB_SET);
 224                         tmp = xmlGetProp(cur, "must_change");
 225                         if (tmp)
 226                                 pdb_set_pass_must_change_time(u, atol(tmp), PDB_SET);
 227                         tmp = xmlGetProp(cur, "can_change");
 228                         if (tmp)
 229                                 pdb_set_pass_can_change_time(u, atol(tmp), PDB_SET);
 230                         parsePass(doc, ns, cur, u);
 231                 }
 232
 233                 else
 234                         DEBUG(0, ("Unknown element %s\n", cur->name));
 235                 cur = cur->next;
 236         }
 237
 238         return True;
 239 }
 240
 241 typedef struct pdb_xml {
 242         char *location;
 243         char written;
 244         xmlDocPtr doc;
 245         xmlNodePtr users;
 246         xmlNodePtr pwent;
 247         xmlNsPtr ns;
 248 } pdb_xml;
 249
 250 xmlNodePtr parseSambaXMLFile(struct pdb_xml *data)
 251 {
 252         xmlNodePtr cur;
 253
 254         data->doc = xmlParseFile(data->location);
 255         if (data->doc == NULL)
 256                 return NULL;
 257
 258         cur = xmlDocGetRootElement(data->doc);
 259         if (!cur) {
 260                 DEBUG(0, ("empty document\n"));
 261                 xmlFreeDoc(data->doc);
 262                 return NULL;
 263         }
 264         data->ns = xmlSearchNsByHref(data->doc, cur, XML_URL);
 265         if (!data->ns) {
 266                 DEBUG(0,
 267                           ("document of the wrong type, samba user namespace not found\n"));
 268                 xmlFreeDoc(data->doc);
 269                 return NULL;
 270         }
 271         if (strcmp(cur->name, "samba")) {
 272                 DEBUG(0, ("document of the wrong type, root node != samba"));
 273                 xmlFreeDoc(data->doc);
 274                 return NULL;
 275         }
 276
 277         cur = cur->xmlChildrenNode;
 278         while (cur && xmlIsBlankNode(cur)) {
 279                 cur = cur->next;
 280         }
 281         if (!cur)
 282                 return NULL;
 283         if ((strcmp(cur->name, "users")) || (cur->ns != data->ns)) {
 284                 DEBUG(0, ("document of the wrong type, was '%s', users expected",
 285                                   cur->name));
 286                 DEBUG(0, ("xmlDocDump follows\n"));
 287                 xmlDocDump(stderr, data->doc);
 288                 DEBUG(0, ("xmlDocDump finished\n"));
 289                 xmlFreeDoc(data->doc);
 290                 return NULL;
 291         }
 292         data->users = cur;
 293         cur = cur->xmlChildrenNode;
 294         return cur;
 295 }
 296
 297 static NTSTATUS xmlsam_setsampwent(struct pdb_methods *methods, BOOL update)
 298 {
 299         pdb_xml *data;
 300
 301         if (!methods) {
 302                 DEBUG(0, ("Invalid methods\n"));
 303                 return NT_STATUS_INVALID_PARAMETER;
 304         }
 305         data = (pdb_xml *) methods->private_data;
 306         if (!data) {
 307                 DEBUG(0, ("Invalid pdb_xml_data\n"));
 308                 return NT_STATUS_INVALID_PARAMETER;
 309         }
 310         data->pwent = parseSambaXMLFile(data);
 311         if (!data->pwent)
 312                 return NT_STATUS_UNSUCCESSFUL;
 313
 314         return NT_STATUS_OK;
 315 }
 316
 317 /***************************************************************
 318   End enumeration of the passwd list.
 319  ****************************************************************/
 320
 321 static void xmlsam_endsampwent(struct pdb_methods *methods)
 322 {
 323         pdb_xml *data;
 324
 325         if (!methods) {
 326                 DEBUG(0, ("Invalid methods\n"));
 327                 return;
 328         }
 329
 330         data = (pdb_xml *) methods->private_data;
 331
 332         if (!data) {
 333                 DEBUG(0, ("Invalid pdb_xml_data\n"));
 334                 return;
 335         }
 336
 337         xmlFreeDoc(data->doc);
 338         data->doc = NULL;
 339         data->pwent = NULL;
 340 }
 341
 342 /*****************************************************************
 343   Get one SAM_ACCOUNT from the list (next in line)
 344  *****************************************************************/
 345
 346 static NTSTATUS xmlsam_getsampwent(struct pdb_methods *methods, SAM_ACCOUNT * user)
 347 {
 348         pdb_xml *data;
 349
 350         if (!methods) {
 351                 DEBUG(0, ("Invalid methods\n"));
 352                 return NT_STATUS_INVALID_PARAMETER;
 353         }
 354         data = (pdb_xml *) methods->private_data;
 355
 356         if (!data) {
 357                 DEBUG(0, ("Invalid pdb_xml_data\n"));
 358                 return NT_STATUS_INVALID_PARAMETER;
 359         }
 360
 361         while (data->pwent) {
 362                 if ((!strcmp(data->pwent->name, "user")) &&
 363                         (data->pwent->ns == data->ns)) {
 364
 365                         parseUser(data->doc, data->ns, data->pwent, user);
 366                         data->pwent = data->pwent->next;
 367                         return NT_STATUS_OK;
 368                 }
 369                 data->pwent = data->pwent->next;
 370         }
 371         return NT_STATUS_UNSUCCESSFUL;
 372 }
 373
 374 /***************************************************************************
 375   Adds an existing SAM_ACCOUNT
 376  ****************************************************************************/
 377
 378 static NTSTATUS xmlsam_add_sam_account(struct pdb_methods *methods, SAM_ACCOUNT * u)
 379 {
 380         pstring temp;
 381         fstring sid_str;
 382         xmlNodePtr cur, user, pass, root;
 383         pdb_xml *data;
 384
 385         DEBUG(10, ("xmlsam_add_sam_account called!\n"));
 386
 387         if (!methods) {
 388                 DEBUG(0, ("Invalid methods\n"));
 389                 return NT_STATUS_INVALID_PARAMETER;
 390         }
 391
 392         data = (pdb_xml *) methods->private_data;
 393         if (!data) {
 394                 DEBUG(0, ("Invalid pdb_xml_data\n"));
 395                 return NT_STATUS_INVALID_PARAMETER;
 396         }
 397
 398         /* Create a new document if we can't open the current one */
 399         if (!parseSambaXMLFile(data)) {
 400                 DEBUG(0, ("Can't load current XML file, creating a new one\n"));
 401                 data->doc = xmlNewDoc(XML_DEFAULT_VERSION);
 402                 root = xmlNewDocNode(data->doc, NULL, "samba", NULL);
 403                 cur = xmlDocSetRootElement(data->doc, root);
 404                 data->ns = xmlNewNs(root, XML_URL, "samba");
 405                 data->users = xmlNewChild(root, data->ns, "users", NULL);
 406         }
 407
 408         user = xmlNewChild(data->users, data->ns, "user", NULL);
 409         xmlNewProp(user, "sid",
 410                            sid_to_string(sid_str, pdb_get_user_sid(u)));
 411         if (pdb_get_init_flags(u, PDB_UID) != PDB_DEFAULT)
 412                 xmlNewProp(user, "uid", iota(pdb_get_uid(u)));
 413
 414         if (pdb_get_username(u) && strcmp(pdb_get_username(u), ""))
 415                 xmlNewProp(user, "name", pdb_get_username(u));
 416
 417         cur = xmlNewChild(user, data->ns, "group", NULL);
 418
 419         xmlNewProp(cur, "sid",
 420                            sid_to_string(sid_str, pdb_get_group_sid(u)));
 421         if (pdb_get_init_flags(u, PDB_GID) != PDB_DEFAULT)
 422                 xmlNewProp(cur, "gid", iota(pdb_get_gid(u)));
 423
 424         if (pdb_get_init_flags(u, PDB_LOGONTIME) != PDB_DEFAULT)
 425                 xmlNewChild(user, data->ns, "login_time",
 426                                         iota(pdb_get_logon_time(u)));
 427
 428         if (pdb_get_init_flags(u, PDB_LOGOFFTIME) != PDB_DEFAULT)
 429                 xmlNewChild(user, data->ns, "logoff_time",
 430                                         iota(pdb_get_logoff_time(u)));
 431
 432         if (pdb_get_init_flags(u, PDB_KICKOFFTIME) != PDB_DEFAULT)
 433                 xmlNewChild(user, data->ns, "kickoff_time",
 434                                         iota(pdb_get_kickoff_time(u)));
 435
 436         if (pdb_get_domain(u) && strcmp(pdb_get_domain(u), ""))
 437                 xmlNewChild(user, data->ns, "domain", pdb_get_domain(u));
 438
 439         if (pdb_get_nt_username(u) && strcmp(pdb_get_nt_username(u), ""))
 440                 xmlNewChild(user, data->ns, "nt_username", pdb_get_nt_username(u));
 441
 442         if (pdb_get_fullname(u) && strcmp(pdb_get_fullname(u), ""))
 443                 xmlNewChild(user, data->ns, "fullname", pdb_get_fullname(u));
 444
 445         if (pdb_get_homedir(u) && strcmp(pdb_get_homedir(u), ""))
 446                 xmlNewChild(user, data->ns, "homedir", pdb_get_homedir(u));
 447
 448         if (pdb_get_dir_drive(u) && strcmp(pdb_get_dir_drive(u), ""))
 449                 xmlNewChild(user, data->ns, "dir_drive", pdb_get_dir_drive(u));
 450
 451         if (pdb_get_logon_script(u) && strcmp(pdb_get_logon_script(u), ""))
 452                 xmlNewChild(user, data->ns, "logon_script",
 453                                         pdb_get_logon_script(u));
 454
 455         if (pdb_get_profile_path(u) && strcmp(pdb_get_profile_path(u), ""))
 456                 xmlNewChild(user, data->ns, "profile_path",
 457                                         pdb_get_profile_path(u));
 458
 459         if (pdb_get_acct_desc(u) && strcmp(pdb_get_acct_desc(u), ""))
 460                 xmlNewChild(user, data->ns, "acct_desc", pdb_get_acct_desc(u));
 461
 462         if (pdb_get_workstations(u) && strcmp(pdb_get_workstations(u), ""))
 463                 xmlNewChild(user, data->ns, "workstations",
 464                                         pdb_get_workstations(u));
 465
 466         if (pdb_get_unknown_str(u) && strcmp(pdb_get_unknown_str(u), ""))
 467                 xmlNewChild(user, data->ns, "unknown_str", pdb_get_unknown_str(u));
 468
 469         if (pdb_get_munged_dial(u) && strcmp(pdb_get_munged_dial(u), ""))
 470                 xmlNewChild(user, data->ns, "munged_dial", pdb_get_munged_dial(u));
 471
 472
 473         /* Password stuff */
 474         pass = xmlNewChild(user, data->ns, "password", NULL);
 475         if (pdb_get_pass_last_set_time(u))
 476                 xmlNewProp(pass, "last_set", iota(pdb_get_pass_last_set_time(u)));
 477         if (pdb_get_init_flags(u, PDB_CANCHANGETIME) != PDB_DEFAULT)
 478                 xmlNewProp(pass, "can_change",
 479                                    iota(pdb_get_pass_can_change_time(u)));
 480
 481         if (pdb_get_init_flags(u, PDB_MUSTCHANGETIME) != PDB_DEFAULT)
 482                 xmlNewProp(pass, "must_change",
 483                                    iota(pdb_get_pass_must_change_time(u)));
 484
 485
 486         if (pdb_get_lanman_passwd(u)) {
 487                 pdb_sethexpwd(temp, pdb_get_lanman_passwd(u),
 488                                           pdb_get_acct_ctrl(u));
 489                 cur = xmlNewChild(pass, data->ns, "crypt", temp);
 490                 xmlNewProp(cur, "type", "lanman");
 491         }
 492
 493         if (pdb_get_nt_passwd(u)) {
 494                 pdb_sethexpwd(temp, pdb_get_nt_passwd(u), pdb_get_acct_ctrl(u));
 495                 cur = xmlNewChild(pass, data->ns, "crypt", temp);
 496                 xmlNewProp(cur, "type", "nt");
 497         }
 498
 499         xmlNewChild(user, data->ns, "acct_ctrl", iota(pdb_get_acct_ctrl(u)));
 500         xmlNewChild(user, data->ns, "unknown_3", iota(pdb_get_unknown_3(u)));
 501
 502         if (pdb_get_logon_divs(u))
 503                 xmlNewChild(user, data->ns, "logon_divs",
 504                                         iota(pdb_get_logon_divs(u)));
 505
 506         if (pdb_get_hours_len(u))
 507                 xmlNewChild(user, data->ns, "hours_len",
 508                                         iota(pdb_get_hours_len(u)));
 509
 510         xmlNewChild(user, data->ns, "unknown_5", iota(pdb_get_unknown_5(u)));
 511         xmlNewChild(user, data->ns, "unknown_6", iota(pdb_get_unknown_6(u)));
 512         xmlSaveFile(data->location, data->doc);
 513
 514         return NT_STATUS_OK;
 515 }
 516
 517 NTSTATUS pdb_init(PDB_CONTEXT * pdb_context, PDB_METHODS ** pdb_method,
 518                  const char *location)
 519 {
 520         NTSTATUS nt_status;
 521         pdb_xml *data;
 522
 523         xmlsam_debug_level = debug_add_class("xmlsam");
 524         if (xmlsam_debug_level == -1) {
 525                 xmlsam_debug_level = DBGC_ALL;
 526                 DEBUG(0, ("xmlsam: Couldn't register custom debugging class!\n"));
 527         }
 528
 529         if (!pdb_context) {
 530                 DEBUG(0, ("invalid pdb_methods specified\n"));
 531                 return NT_STATUS_UNSUCCESSFUL;
 532         }
 533
 534         if (!NT_STATUS_IS_OK
 535                 (nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
 536                 return nt_status;
 537         }
 538
 539         (*pdb_method)->name = "xmlsam";
 540
 541         (*pdb_method)->setsampwent = xmlsam_setsampwent;
 542         (*pdb_method)->endsampwent = xmlsam_endsampwent;
 543         (*pdb_method)->getsampwent = xmlsam_getsampwent;
 544         (*pdb_method)->add_sam_account = xmlsam_add_sam_account;
 545         (*pdb_method)->getsampwnam = NULL;
 546         (*pdb_method)->getsampwsid = NULL;
 547         (*pdb_method)->update_sam_account = NULL;
 548         (*pdb_method)->delete_sam_account = NULL;
 549         (*pdb_method)->getgrsid = NULL;
 550         (*pdb_method)->getgrgid = NULL;
 551         (*pdb_method)->getgrnam = NULL;
 552         (*pdb_method)->add_group_mapping_entry = NULL;
 553         (*pdb_method)->update_group_mapping_entry = NULL;
 554         (*pdb_method)->delete_group_mapping_entry = NULL;
 555         (*pdb_method)->enum_group_mapping = NULL;
 556
 557         data = talloc(pdb_context->mem_ctx, sizeof(pdb_xml));
 558         data->location =
 559                 (location ? talloc_strdup(pdb_context->mem_ctx, location) : "-");
 560         data->pwent = NULL;
 561         data->written = 0;
 562         (*pdb_method)->private_data = data;
 563
 564         LIBXML_TEST_VERSION xmlKeepBlanksDefault(0);
 565
 566         return NT_STATUS_OK;
 567 }