source4/libnet/libnet_samsync_ldb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Extract the user/system database from a remote SamSync server
   5
   6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
   7    Copyright (C) Andrew Tridgell 2004
   8    Copyright (C) Volker Lendecke 2004
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24
  25 #include "includes.h"
  26 #include "libnet/libnet.h"
  27 #include "libcli/ldap/ldap_ndr.h"
  28 #include "dsdb/samdb/samdb.h"
  29 #include "auth/auth.h"
  30 #include "../lib/util/util_ldb.h"
  31 #include "librpc/gen_ndr/ndr_misc.h"
  32 #include "ldb_wrap.h"
  33 #include "libcli/security/security.h"
  34 #include "librpc/rpc/dcerpc.h"
  35 #include "param/param.h"
  36
  37 struct samsync_ldb_secret {
  38         struct samsync_ldb_secret *prev, *next;
  39         DATA_BLOB secret;
  40         char *name;
  41         NTTIME mtime;
  42 };
  43
  44 struct samsync_ldb_trusted_domain {
  45         struct samsync_ldb_trusted_domain *prev, *next;
  46         struct dom_sid *sid;
  47         char *name;
  48 };
  49
  50 struct samsync_ldb_state {
  51         /* Values from the LSA lookup */
  52         const struct libnet_SamSync_state *samsync_state;
  53
  54         struct dom_sid *dom_sid[3];
  55         struct ldb_context *sam_ldb, *remote_ldb, *pdb;
  56         struct ldb_dn *base_dn[3];
  57         struct samsync_ldb_secret *secrets;
  58         struct samsync_ldb_trusted_domain *trusted_domains;
  59 };
  60
  61 static NTSTATUS samsync_ldb_add_foreignSecurityPrincipal(TALLOC_CTX *mem_ctx,
  62                                                          struct samsync_ldb_state *state,
  63                                                          struct dom_sid *sid,
  64                                                          struct ldb_dn **fsp_dn,
  65                                                          char **error_string)
  66 {
  67         const char *sidstr = dom_sid_string(mem_ctx, sid);
  68         /* We assume that ForeignSecurityPrincipals are under the BASEDN of the main domain */
  69         struct ldb_dn *basedn = samdb_search_dn(state->sam_ldb, mem_ctx,
  70                                                 state->base_dn[SAM_DATABASE_DOMAIN],
  71                                                 "(&(objectClass=container)(cn=ForeignSecurityPrincipals))");
  72         struct ldb_message *msg;
  73         int ret;
  74
  75         if (!sidstr) {
  76                 return NT_STATUS_NO_MEMORY;
  77         }
  78
  79         if (basedn == NULL) {
  80                 *error_string = talloc_asprintf(mem_ctx,
  81                                                 "Failed to find DN for "
  82                                                 "ForeignSecurityPrincipal container under %s",
  83                                                 ldb_dn_get_linearized(state->base_dn[SAM_DATABASE_DOMAIN]));
  84                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
  85         }
  86
  87         msg = ldb_msg_new(mem_ctx);
  88         if (msg == NULL) {
  89                 return NT_STATUS_NO_MEMORY;
  90         }
  91
  92         /* add core elements to the ldb_message for the alias */
  93         msg->dn = basedn;
  94         if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr))
  95                 return NT_STATUS_UNSUCCESSFUL;
  96
  97         samdb_msg_add_string(state->sam_ldb, mem_ctx, msg,
  98                              "objectClass",
  99                              "foreignSecurityPrincipal");
 100
 101         *fsp_dn = msg->dn;
 102
 103         /* create the alias */
 104         ret = ldb_add(state->sam_ldb, msg);
 105         if (ret != 0) {
 106                 *error_string = talloc_asprintf(mem_ctx, "Failed to create foreignSecurityPrincipal "
 107                                                 "record %s: %s",
 108                                                 ldb_dn_get_linearized(msg->dn),
 109                                                 ldb_errstring(state->sam_ldb));
 110                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 111         }
 112         return NT_STATUS_OK;
 113 }
 114
 115 static NTSTATUS samsync_ldb_handle_domain(TALLOC_CTX *mem_ctx,
 116                                           struct samsync_ldb_state *state,
 117                                           enum netr_SamDatabaseID database,
 118                                           struct netr_DELTA_ENUM *delta,
 119                                           char **error_string)
 120 {
 121         struct netr_DELTA_DOMAIN *domain = delta->delta_union.domain;
 122         const char *domain_name = domain->domain_name.string;
 123         struct ldb_message *msg;
 124         int ret;
 125
 126         msg = ldb_msg_new(mem_ctx);
 127         if (msg == NULL) {
 128                 return NT_STATUS_NO_MEMORY;
 129         }
 130
 131         if (database == SAM_DATABASE_DOMAIN) {
 132                 struct ldb_dn *partitions_basedn;
 133                 const char *domain_attrs[] =  {"nETBIOSName", "nCName", NULL};
 134                 struct ldb_message **msgs_domain;
 135                 int ret_domain;
 136
 137                 partitions_basedn = samdb_partitions_dn(state->sam_ldb, mem_ctx);
 138
 139                 ret_domain = gendb_search(state->sam_ldb, mem_ctx, partitions_basedn, &msgs_domain, domain_attrs,
 140                                           "(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))",
 141                                           domain_name);
 142                 if (ret_domain == -1) {
 143                         *error_string = talloc_asprintf(mem_ctx, "gendb_search for domain failed: %s", ldb_errstring(state->sam_ldb));
 144                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 145                 }
 146
 147                 if (ret_domain != 1) {
 148                         *error_string = talloc_asprintf(mem_ctx, "Failed to find existing domain record for %s: %d results", domain_name,
 149                                                         ret_domain);
 150                         return NT_STATUS_NO_SUCH_DOMAIN;
 151                 }
 152
 153                 state->base_dn[database] = samdb_result_dn(state->sam_ldb, state, msgs_domain[0], "nCName", NULL);
 154
 155                 if (state->dom_sid[database]) {
 156                         /* Update the domain sid with the incoming
 157                          * domain (found on LSA pipe, database sid may
 158                          * be random) */
 159                         samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx,
 160                                               msg, "objectSid", state->dom_sid[database]);
 161                 } else {
 162                         /* Well, we will have to use the one from the database */
 163                         state->dom_sid[database] = samdb_search_dom_sid(state->sam_ldb, state,
 164                                                                         state->base_dn[database],
 165                                                                         "objectSid", NULL);
 166                 }
 167
 168                 if (state->samsync_state->domain_guid) {
 169                         struct ldb_val v;
 170                         NTSTATUS status;
 171                         status = GUID_to_ndr_blob(state->samsync_state->domain_guid, msg, &v);
 172                         if (!NT_STATUS_IS_OK(status)) {
 173                                 *error_string = talloc_asprintf(mem_ctx, "ndr_push of domain GUID failed!");
 174                                 return status;
 175                         }
 176
 177                         ldb_msg_add_value(msg, "objectGUID", &v, NULL);
 178                 }
 179         } else if (database == SAM_DATABASE_BUILTIN) {
 180                 /* work out the builtin_dn - useful for so many calls its worth
 181                    fetching here */
 182                 const char *dnstring = samdb_search_string(state->sam_ldb, mem_ctx, NULL,
 183                                                            "distinguishedName", "objectClass=builtinDomain");
 184                 state->base_dn[database] = ldb_dn_new(state, state->sam_ldb, dnstring);
 185                 if ( ! ldb_dn_validate(state->base_dn[database])) {
 186                         return NT_STATUS_INTERNAL_ERROR;
 187                 }
 188         } else {
 189                 /* PRIVs DB */
 190                 return NT_STATUS_INVALID_PARAMETER;
 191         }
 192
 193         msg->dn = talloc_reference(mem_ctx, state->base_dn[database]);
 194         if (!msg->dn) {
 195                 return NT_STATUS_NO_MEMORY;
 196         }
 197
 198         samdb_msg_add_string(state->sam_ldb, mem_ctx,
 199                              msg, "oEMInformation", domain->oem_information.string);
 200
 201         samdb_msg_add_int64(state->sam_ldb, mem_ctx,
 202                             msg, "forceLogoff", domain->force_logoff_time);
 203
 204         samdb_msg_add_uint(state->sam_ldb, mem_ctx,
 205                            msg, "minPwdLen", domain->min_password_length);
 206
 207         samdb_msg_add_int64(state->sam_ldb, mem_ctx,
 208                             msg, "maxPwdAge", domain->max_password_age);
 209
 210         samdb_msg_add_int64(state->sam_ldb, mem_ctx,
 211                             msg, "minPwdAge", domain->min_password_age);
 212
 213         samdb_msg_add_uint(state->sam_ldb, mem_ctx,
 214                            msg, "pwdHistoryLength", domain->password_history_length);
 215
 216         samdb_msg_add_uint64(state->sam_ldb, mem_ctx,
 217                              msg, "modifiedCount",
 218                              domain->sequence_num);
 219
 220         samdb_msg_add_uint64(state->sam_ldb, mem_ctx,
 221                              msg, "creationTime", domain->domain_create_time);
 222
 223         /* TODO: Account lockout, password properties */
 224
 225         ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
 226
 227         if (ret) {
 228                 return NT_STATUS_INTERNAL_ERROR;
 229         }
 230         return NT_STATUS_OK;
 231 }
 232
 233 static NTSTATUS samsync_ldb_handle_user(TALLOC_CTX *mem_ctx,
 234                                         struct samsync_ldb_state *state,
 235                                         enum netr_SamDatabaseID database,
 236                                         struct netr_DELTA_ENUM *delta,
 237                                         char **error_string)
 238 {
 239         uint32_t rid = delta->delta_id_union.rid;
 240         struct netr_DELTA_USER *user = delta->delta_union.user;
 241         const char *container, *obj_class;
 242         char *cn_name;
 243         int cn_name_len;
 244         const struct dom_sid *user_sid;
 245         struct ldb_message *msg;
 246         struct ldb_message **msgs;
 247         struct ldb_message **remote_msgs = NULL;
 248         int ret, i;
 249         uint32_t acb;
 250         bool add = false;
 251         const char *attrs[] = { NULL };
 252         /* we may change this to a global search, then fill in only the things not in ldap later */
 253         const char *remote_attrs[] = { "userPrincipalName", "servicePrincipalName",
 254                                        "msDS-KeyVersionNumber", "objectGUID", NULL};
 255
 256         user_sid = dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid);
 257         if (!user_sid) {
 258                 return NT_STATUS_NO_MEMORY;
 259         }
 260
 261         msg = ldb_msg_new(mem_ctx);
 262         if (msg == NULL) {
 263                 return NT_STATUS_NO_MEMORY;
 264         }
 265
 266         msg->dn = NULL;
 267         /* search for the user, by rid */
 268         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database],
 269                            &msgs, attrs, "(&(objectClass=user)(objectSid=%s))",
 270                            ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
 271
 272         if (ret == -1) {
 273                 *error_string = talloc_asprintf(mem_ctx, "LDB for user %s failed: %s",
 274                                                 dom_sid_string(mem_ctx, user_sid),
 275                                                 ldb_errstring(state->sam_ldb));
 276                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 277         } else if (ret == 0) {
 278                 add = true;
 279         } else if (ret > 1) {
 280                 *error_string = talloc_asprintf(mem_ctx, "More than one user with SID: %s in local LDB",
 281                                                 dom_sid_string(mem_ctx, user_sid));
 282                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 283         } else {
 284                 msg->dn = msgs[0]->dn;
 285                 talloc_steal(msg, msgs[0]->dn);
 286         }
 287
 288         /* and do the same on the remote database */
 289         if (state->remote_ldb) {
 290                 ret = gendb_search(state->remote_ldb, mem_ctx, state->base_dn[database],
 291                                    &remote_msgs, remote_attrs, "(&(objectClass=user)(objectSid=%s))",
 292                                    ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
 293
 294                 if (ret == -1) {
 295                         *error_string = talloc_asprintf(mem_ctx, "remote LDAP for user %s failed: %s",
 296                                                         dom_sid_string(mem_ctx, user_sid),
 297                                                         ldb_errstring(state->remote_ldb));
 298                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 299                 } else if (ret == 0) {
 300                         *error_string = talloc_asprintf(mem_ctx, "User exists in samsync but not in remote LDAP domain! (base: %s, SID: %s)",
 301                                                         ldb_dn_get_linearized(state->base_dn[database]),
 302                                                         dom_sid_string(mem_ctx, user_sid));
 303                         return NT_STATUS_NO_SUCH_USER;
 304                 } else if (ret > 1) {
 305                         *error_string = talloc_asprintf(mem_ctx, "More than one user in remote LDAP domain with SID: %s",
 306                                                         dom_sid_string(mem_ctx, user_sid));
 307                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 308
 309                         /* Try to put things in the same location as the remote server */
 310                 } else if (add) {
 311                         msg->dn = remote_msgs[0]->dn;
 312                         talloc_steal(msg, remote_msgs[0]->dn);
 313                 }
 314         }
 315
 316         cn_name   = talloc_strdup(mem_ctx, user->account_name.string);
 317         NT_STATUS_HAVE_NO_MEMORY(cn_name);
 318         cn_name_len = strlen(cn_name);
 319
 320 #define ADD_OR_DEL(type, attrib, field) do {                            \
 321                 if (user->field) {                                      \
 322                         samdb_msg_add_ ## type(state->sam_ldb, mem_ctx, msg, \
 323                                                attrib, user->field);    \
 324                 } else if (!add) {                                      \
 325                         samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg, \
 326                                              attrib);                   \
 327                 }                                                       \
 328         } while (0);
 329
 330         ADD_OR_DEL(string, "samAccountName", account_name.string);
 331         ADD_OR_DEL(string, "displayName", full_name.string);
 332
 333         if (samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx, msg,
 334                                   "objectSid", dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))) {
 335                 return NT_STATUS_NO_MEMORY;
 336         }
 337
 338         ADD_OR_DEL(uint, "primaryGroupID", primary_gid);
 339         ADD_OR_DEL(string, "homeDirectory", home_directory.string);
 340         ADD_OR_DEL(string, "homeDrive", home_drive.string);
 341         ADD_OR_DEL(string, "scriptPath", logon_script.string);
 342         ADD_OR_DEL(string, "description", description.string);
 343         ADD_OR_DEL(string, "userWorkstations", workstations.string);
 344
 345         ADD_OR_DEL(uint64, "lastLogon", last_logon);
 346         ADD_OR_DEL(uint64, "lastLogoff", last_logoff);
 347
 348         if (samdb_msg_add_logon_hours(state->sam_ldb, mem_ctx, msg, "logonHours", &user->logon_hours) != 0) {
 349                 return NT_STATUS_NO_MEMORY;
 350         }
 351
 352         ADD_OR_DEL(uint, "badPwdCount", bad_password_count);
 353         ADD_OR_DEL(uint, "logonCount", logon_count);
 354
 355         ADD_OR_DEL(uint64, "pwdLastSet", last_password_change);
 356         ADD_OR_DEL(uint64, "accountExpires", acct_expiry);
 357
 358         if (samdb_msg_add_acct_flags(state->sam_ldb, mem_ctx, msg,
 359                                      "userAccountControl", user->acct_flags) != 0) {
 360                 return NT_STATUS_NO_MEMORY;
 361         }
 362
 363         if (!add) {
 364                 /* Passwords.  Ensure there is no plaintext stored against
 365                  * this entry, as we only have hashes */
 366                 samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
 367                                      "userPassword");
 368         }
 369         if (user->lm_password_present) {
 370                 samdb_msg_add_hash(state->sam_ldb, mem_ctx, msg,
 371                                    "dBCSPwd", &user->lmpassword);
 372         } else if (!add) {
 373                 samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
 374                                      "dBCSPwd");
 375         }
 376         if (user->nt_password_present) {
 377                 samdb_msg_add_hash(state->sam_ldb, mem_ctx, msg,
 378                                    "unicodePwd", &user->ntpassword);
 379         } else if (!add) {
 380                 samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
 381                                      "unicodePwd");
 382         }
 383
 384         ADD_OR_DEL(string, "comment", comment.string);
 385
 386         if (samdb_msg_add_parameters(state->sam_ldb, mem_ctx, msg, "userParameters", &user->parameters) != 0) {
 387                 return NT_STATUS_NO_MEMORY;
 388         }
 389
 390         ADD_OR_DEL(uint, "countryCode", country_code);
 391         ADD_OR_DEL(uint, "codePage", code_page);
 392
 393         ADD_OR_DEL(string, "profilePath", profile_path.string);
 394
 395 #undef ADD_OR_DEL
 396
 397         for (i=0; remote_attrs[i]; i++) {
 398                 struct ldb_message_element *el = ldb_msg_find_element(remote_msgs[0], remote_attrs[i]);
 399                 if (!el) {
 400                         samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
 401                                              remote_attrs[i]);
 402                 } else {
 403                         ldb_msg_add(msg, el, LDB_FLAG_MOD_REPLACE);
 404                 }
 405         }
 406
 407         acb = user->acct_flags;
 408         if (acb & (ACB_WSTRUST)) {
 409                 cn_name[cn_name_len - 1] = '\0';
 410                 container = "Computers";
 411                 obj_class = "computer";
 412
 413         } else if (acb & ACB_SVRTRUST) {
 414                 if (cn_name[cn_name_len - 1] != '$') {
 415                         return NT_STATUS_FOOBAR;
 416                 }
 417                 cn_name[cn_name_len - 1] = '\0';
 418                 container = "Domain Controllers";
 419                 obj_class = "computer";
 420         } else {
 421                 container = "Users";
 422                 obj_class = "user";
 423         }
 424         if (add) {
 425                 samdb_msg_add_string(state->sam_ldb, mem_ctx, msg,
 426                                      "objectClass", obj_class);
 427                 if (!msg->dn) {
 428                         msg->dn = ldb_dn_copy(mem_ctx, state->base_dn[database]);
 429                         ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=%s", cn_name, container);
 430                         if (!msg->dn) {
 431                                 return NT_STATUS_NO_MEMORY;
 432                         }
 433                 }
 434
 435                 ret = ldb_add(state->sam_ldb, msg);
 436                 if (ret != 0) {
 437                         struct ldb_dn *first_try_dn = msg->dn;
 438                         /* Try again with the default DN */
 439                         if (!remote_msgs) {
 440                                 *error_string = talloc_asprintf(mem_ctx, "Failed to create user record.  Tried %s: %s",
 441                                                                 ldb_dn_get_linearized(first_try_dn),
 442                                                                 ldb_errstring(state->sam_ldb));
 443                                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 444                         } else {
 445                                 msg->dn = talloc_steal(msg, remote_msgs[0]->dn);
 446                                 ret = ldb_add(state->sam_ldb, msg);
 447                                 if (ret != 0) {
 448                                         *error_string = talloc_asprintf(mem_ctx, "Failed to create user record.  Tried both %s and %s: %s",
 449                                                                         ldb_dn_get_linearized(first_try_dn),
 450                                                                         ldb_dn_get_linearized(msg->dn),
 451                                                                         ldb_errstring(state->sam_ldb));
 452                                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 453                                 }
 454                         }
 455                 }
 456         } else {
 457                 ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
 458                 if (ret != 0) {
 459                         *error_string = talloc_asprintf(mem_ctx, "Failed to modify user record %s: %s",
 460                                                         ldb_dn_get_linearized(msg->dn),
 461                                                         ldb_errstring(state->sam_ldb));
 462                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 463                 }
 464         }
 465
 466         return NT_STATUS_OK;
 467 }
 468
 469 static NTSTATUS samsync_ldb_delete_user(TALLOC_CTX *mem_ctx,
 470                                         struct samsync_ldb_state *state,
 471                                         enum netr_SamDatabaseID database,
 472                                         struct netr_DELTA_ENUM *delta,
 473                                         char **error_string)
 474 {
 475         uint32_t rid = delta->delta_id_union.rid;
 476         struct ldb_message **msgs;
 477         int ret;
 478         const char *attrs[] = { NULL };
 479
 480         /* search for the user, by rid */
 481         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database],
 482                            &msgs, attrs, "(&(objectClass=user)(objectSid=%s))",
 483                            ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
 484
 485         if (ret == -1) {
 486                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 487                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 488         } else if (ret == 0) {
 489                 return NT_STATUS_NO_SUCH_USER;
 490         } else if (ret > 1) {
 491                 *error_string = talloc_asprintf(mem_ctx, "More than one user with SID: %s",
 492                                                 dom_sid_string(mem_ctx,
 493                                                                dom_sid_add_rid(mem_ctx,
 494                                                                                state->dom_sid[database],
 495                                                                                rid)));
 496                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 497         }
 498
 499         ret = ldb_delete(state->sam_ldb, msgs[0]->dn);
 500         if (ret != 0) {
 501                 *error_string = talloc_asprintf(mem_ctx, "Failed to delete user record %s: %s",
 502                                                 ldb_dn_get_linearized(msgs[0]->dn),
 503                                                 ldb_errstring(state->sam_ldb));
 504                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 505         }
 506
 507         return NT_STATUS_OK;
 508 }
 509
 510 static NTSTATUS samsync_ldb_handle_group(TALLOC_CTX *mem_ctx,
 511                                          struct samsync_ldb_state *state,
 512                                          enum netr_SamDatabaseID database,
 513                                          struct netr_DELTA_ENUM *delta,
 514                                          char **error_string)
 515 {
 516         uint32_t rid = delta->delta_id_union.rid;
 517         struct netr_DELTA_GROUP *group = delta->delta_union.group;
 518         const char *container, *obj_class;
 519         const char *cn_name;
 520
 521         struct ldb_message *msg;
 522         struct ldb_message **msgs;
 523         int ret;
 524         bool add = false;
 525         const char *attrs[] = { NULL };
 526
 527         msg = ldb_msg_new(mem_ctx);
 528         if (msg == NULL) {
 529                 return NT_STATUS_NO_MEMORY;
 530         }
 531
 532         /* search for the group, by rid */
 533         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
 534                            "(&(objectClass=group)(objectSid=%s))",
 535                            ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
 536
 537         if (ret == -1) {
 538                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 539                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 540         } else if (ret == 0) {
 541                 add = true;
 542         } else if (ret > 1) {
 543                 *error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
 544                                                 dom_sid_string(mem_ctx,
 545                                                                dom_sid_add_rid(mem_ctx,
 546                                                                                state->dom_sid[database],
 547                                                                                rid)));
 548                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 549         } else {
 550                 msg->dn = talloc_steal(msg, msgs[0]->dn);
 551         }
 552
 553         cn_name   = group->group_name.string;
 554
 555 #define ADD_OR_DEL(type, attrib, field) do {                            \
 556                 if (group->field) {                                     \
 557                         samdb_msg_add_ ## type(state->sam_ldb, mem_ctx, msg, \
 558                                                attrib, group->field);   \
 559                 } else if (!add) {                                      \
 560                         samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg, \
 561                                              attrib);                   \
 562                 }                                                       \
 563         } while (0);
 564
 565         ADD_OR_DEL(string, "samAccountName", group_name.string);
 566
 567         if (samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx, msg,
 568                                   "objectSid", dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))) {
 569                 return NT_STATUS_NO_MEMORY;
 570         }
 571
 572         ADD_OR_DEL(string, "description", description.string);
 573
 574 #undef ADD_OR_DEL
 575
 576         container = "Users";
 577         obj_class = "group";
 578
 579         if (add) {
 580                 samdb_msg_add_string(state->sam_ldb, mem_ctx, msg,
 581                                      "objectClass", obj_class);
 582                 msg->dn = ldb_dn_copy(mem_ctx, state->base_dn[database]);
 583                 ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=%s", cn_name, container);
 584                 if (!msg->dn) {
 585                         return NT_STATUS_NO_MEMORY;
 586                 }
 587
 588                 ret = ldb_add(state->sam_ldb, msg);
 589                 if (ret != 0) {
 590                         *error_string = talloc_asprintf(mem_ctx, "Failed to create group record %s: %s",
 591                                                         ldb_dn_get_linearized(msg->dn),
 592                                                         ldb_errstring(state->sam_ldb));
 593                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 594                 }
 595         } else {
 596                 ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
 597                 if (ret != 0) {
 598                         *error_string = talloc_asprintf(mem_ctx, "Failed to modify group record %s: %s",
 599                                                         ldb_dn_get_linearized(msg->dn),
 600                                                         ldb_errstring(state->sam_ldb));
 601                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 602                 }
 603         }
 604
 605         return NT_STATUS_OK;
 606 }
 607
 608 static NTSTATUS samsync_ldb_delete_group(TALLOC_CTX *mem_ctx,
 609                                          struct samsync_ldb_state *state,
 610                                          enum netr_SamDatabaseID database,
 611                                          struct netr_DELTA_ENUM *delta,
 612                                          char **error_string)
 613 {
 614         uint32_t rid = delta->delta_id_union.rid;
 615         struct ldb_message **msgs;
 616         int ret;
 617         const char *attrs[] = { NULL };
 618
 619         /* search for the group, by rid */
 620         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
 621                            "(&(objectClass=group)(objectSid=%s))",
 622                            ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
 623
 624         if (ret == -1) {
 625                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 626                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 627         } else if (ret == 0) {
 628                 return NT_STATUS_NO_SUCH_GROUP;
 629         } else if (ret > 1) {
 630                 *error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
 631                                                 dom_sid_string(mem_ctx,
 632                                                                dom_sid_add_rid(mem_ctx,
 633                                                                                state->dom_sid[database],
 634                                                                                rid)));
 635                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 636         }
 637
 638         ret = ldb_delete(state->sam_ldb, msgs[0]->dn);
 639         if (ret != 0) {
 640                 *error_string = talloc_asprintf(mem_ctx, "Failed to delete group record %s: %s",
 641                                                 ldb_dn_get_linearized(msgs[0]->dn),
 642                                                 ldb_errstring(state->sam_ldb));
 643                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 644         }
 645
 646         return NT_STATUS_OK;
 647 }
 648
 649 static NTSTATUS samsync_ldb_handle_group_member(TALLOC_CTX *mem_ctx,
 650                                                 struct samsync_ldb_state *state,
 651                                                 enum netr_SamDatabaseID database,
 652                                                 struct netr_DELTA_ENUM *delta,
 653                                                 char **error_string)
 654 {
 655         uint32_t rid = delta->delta_id_union.rid;
 656         struct netr_DELTA_GROUP_MEMBER *group_member = delta->delta_union.group_member;
 657         struct ldb_message *msg;
 658         struct ldb_message **msgs;
 659         int ret;
 660         const char *attrs[] = { NULL };
 661         int i;
 662
 663         msg = ldb_msg_new(mem_ctx);
 664         if (msg == NULL) {
 665                 return NT_STATUS_NO_MEMORY;
 666         }
 667
 668         /* search for the group, by rid */
 669         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
 670                            "(&(objectClass=group)(objectSid=%s))",
 671                            ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
 672
 673         if (ret == -1) {
 674                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 675                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 676         } else if (ret == 0) {
 677                 return NT_STATUS_NO_SUCH_GROUP;
 678         } else if (ret > 1) {
 679                 *error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
 680                                                 dom_sid_string(mem_ctx,
 681                                                                dom_sid_add_rid(mem_ctx,
 682                                                                                state->dom_sid[database],
 683                                                                                rid)));
 684                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 685         } else {
 686                 msg->dn = talloc_steal(msg, msgs[0]->dn);
 687         }
 688
 689         talloc_free(msgs);
 690
 691         for (i=0; i<group_member->num_rids; i++) {
 692                 /* search for the group, by rid */
 693                 ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
 694                                    "(&(objectClass=user)(objectSid=%s))",
 695                                    ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], group_member->rids[i])));
 696
 697                 if (ret == -1) {
 698                         *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 699                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 700                 } else if (ret == 0) {
 701                         return NT_STATUS_NO_SUCH_USER;
 702                 } else if (ret > 1) {
 703                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 704                 } else {
 705                         samdb_msg_add_string(state->sam_ldb, mem_ctx, msg, "member", ldb_dn_alloc_linearized(mem_ctx, msgs[0]->dn));
 706                 }
 707
 708                 talloc_free(msgs);
 709         }
 710
 711         ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
 712         if (ret != 0) {
 713                 *error_string = talloc_asprintf(mem_ctx, "Failed to modify group record %s: %s",
 714                                                 ldb_dn_get_linearized(msg->dn),
 715                                                 ldb_errstring(state->sam_ldb));
 716                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 717         }
 718
 719         return NT_STATUS_OK;
 720 }
 721
 722 static NTSTATUS samsync_ldb_handle_alias(TALLOC_CTX *mem_ctx,
 723                                          struct samsync_ldb_state *state,
 724                                          enum netr_SamDatabaseID database,
 725                                          struct netr_DELTA_ENUM *delta,
 726                                          char **error_string)
 727 {
 728         uint32_t rid = delta->delta_id_union.rid;
 729         struct netr_DELTA_ALIAS *alias = delta->delta_union.alias;
 730         const char *container, *obj_class;
 731         const char *cn_name;
 732
 733         struct ldb_message *msg;
 734         struct ldb_message **msgs;
 735         int ret;
 736         bool add = false;
 737         const char *attrs[] = { NULL };
 738
 739         msg = ldb_msg_new(mem_ctx);
 740         if (msg == NULL) {
 741                 return NT_STATUS_NO_MEMORY;
 742         }
 743
 744         /* search for the alias, by rid */
 745         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
 746                            "(&(objectClass=group)(objectSid=%s))",
 747                            ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
 748
 749         if (ret == -1) {
 750                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 751                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 752         } else if (ret == 0) {
 753                 add = true;
 754         } else if (ret > 1) {
 755                 *error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
 756                                                 dom_sid_string(mem_ctx,
 757                                                                dom_sid_add_rid(mem_ctx,
 758                                                                                state->dom_sid[database],
 759                                                                                rid)));
 760                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 761         } else {
 762                 msg->dn = talloc_steal(mem_ctx, msgs[0]->dn);
 763         }
 764
 765         cn_name   = alias->alias_name.string;
 766
 767 #define ADD_OR_DEL(type, attrib, field) do {                            \
 768                 if (alias->field) {                                     \
 769                         samdb_msg_add_ ## type(state->sam_ldb, mem_ctx, msg, \
 770                                                attrib, alias->field);   \
 771                 } else if (!add) {                                      \
 772                         samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg, \
 773                                              attrib);                   \
 774                 }                                                       \
 775         } while (0);
 776
 777         ADD_OR_DEL(string, "samAccountName", alias_name.string);
 778
 779         if (samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx, msg,
 780                                   "objectSid", dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))) {
 781                 return NT_STATUS_NO_MEMORY;
 782         }
 783
 784         ADD_OR_DEL(string, "description", description.string);
 785
 786 #undef ADD_OR_DEL
 787
 788         samdb_msg_add_uint(state->sam_ldb, mem_ctx, msg, "groupType", 0x80000004);
 789
 790         container = "Users";
 791         obj_class = "group";
 792
 793         if (add) {
 794                 samdb_msg_add_string(state->sam_ldb, mem_ctx, msg,
 795                                      "objectClass", obj_class);
 796                 msg->dn = ldb_dn_copy(mem_ctx, state->base_dn[database]);
 797                 ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=%s", cn_name, container);
 798                 if (!msg->dn) {
 799                         return NT_STATUS_NO_MEMORY;
 800                 }
 801
 802                 ret = ldb_add(state->sam_ldb, msg);
 803                 if (ret != 0) {
 804                         *error_string = talloc_asprintf(mem_ctx, "Failed to create alias record %s: %s",
 805                                                         ldb_dn_get_linearized(msg->dn),
 806                                                         ldb_errstring(state->sam_ldb));
 807                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 808                 }
 809         } else {
 810                 ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
 811                 if (ret != 0) {
 812                         *error_string = talloc_asprintf(mem_ctx, "Failed to modify alias record %s: %s",
 813                                                         ldb_dn_get_linearized(msg->dn),
 814                                                         ldb_errstring(state->sam_ldb));
 815                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 816                 }
 817         }
 818
 819         return NT_STATUS_OK;
 820 }
 821
 822 static NTSTATUS samsync_ldb_delete_alias(TALLOC_CTX *mem_ctx,
 823                                          struct samsync_ldb_state *state,
 824                                          enum netr_SamDatabaseID database,
 825                                          struct netr_DELTA_ENUM *delta,
 826                                          char **error_string)
 827 {
 828         uint32_t rid = delta->delta_id_union.rid;
 829         struct ldb_message **msgs;
 830         int ret;
 831         const char *attrs[] = { NULL };
 832
 833         /* search for the alias, by rid */
 834         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
 835                            "(&(objectClass=group)(objectSid=%s))",
 836                            ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
 837
 838         if (ret == -1) {
 839                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 840                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 841         } else if (ret == 0) {
 842                 return NT_STATUS_NO_SUCH_ALIAS;
 843         } else if (ret > 1) {
 844                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 845         }
 846
 847         ret = ldb_delete(state->sam_ldb, msgs[0]->dn);
 848         if (ret != 0) {
 849                 *error_string = talloc_asprintf(mem_ctx, "Failed to delete alias record %s: %s",
 850                                                 ldb_dn_get_linearized(msgs[0]->dn),
 851                                                 ldb_errstring(state->sam_ldb));
 852                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 853         }
 854
 855         return NT_STATUS_OK;
 856 }
 857
 858 static NTSTATUS samsync_ldb_handle_alias_member(TALLOC_CTX *mem_ctx,
 859                                                 struct samsync_ldb_state *state,
 860                                                 enum netr_SamDatabaseID database,
 861                                                 struct netr_DELTA_ENUM *delta,
 862                                                 char **error_string)
 863 {
 864         uint32_t rid = delta->delta_id_union.rid;
 865         struct netr_DELTA_ALIAS_MEMBER *alias_member = delta->delta_union.alias_member;
 866         struct ldb_message *msg;
 867         struct ldb_message **msgs;
 868         int ret;
 869         const char *attrs[] = { NULL };
 870         int i;
 871
 872         msg = ldb_msg_new(mem_ctx);
 873         if (msg == NULL) {
 874                 return NT_STATUS_NO_MEMORY;
 875         }
 876
 877         /* search for the alias, by rid */
 878         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
 879                            "(&(objectClass=group)(objectSid=%s))",
 880                            ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
 881
 882         if (ret == -1) {
 883                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 884                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 885         } else if (ret == 0) {
 886                 return NT_STATUS_NO_SUCH_GROUP;
 887         } else if (ret > 1) {
 888                 *error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
 889                                                 dom_sid_string(mem_ctx,
 890                                                                dom_sid_add_rid(mem_ctx,
 891                                                                                state->dom_sid[database],
 892                                                                                rid)));
 893                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 894         } else {
 895                 msg->dn = talloc_steal(msg, msgs[0]->dn);
 896         }
 897
 898         talloc_free(msgs);
 899
 900         for (i=0; i<alias_member->sids.num_sids; i++) {
 901                 struct ldb_dn *alias_member_dn;
 902                 /* search for members, in the top basedn (normal users are builtin aliases) */
 903                 ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[SAM_DATABASE_DOMAIN], &msgs, attrs,
 904                                    "(objectSid=%s)",
 905                                    ldap_encode_ndr_dom_sid(mem_ctx, alias_member->sids.sids[i].sid));
 906
 907                 if (ret == -1) {
 908                         *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
 909                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 910                 } else if (ret == 0) {
 911                         NTSTATUS nt_status;
 912                         nt_status = samsync_ldb_add_foreignSecurityPrincipal(mem_ctx, state,
 913                                                                              alias_member->sids.sids[i].sid,
 914                                                                              &alias_member_dn,
 915                                                                              error_string);
 916                         if (!NT_STATUS_IS_OK(nt_status)) {
 917                                 return nt_status;
 918                         }
 919                 } else if (ret > 1) {
 920                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 921                 } else {
 922                         alias_member_dn = msgs[0]->dn;
 923                 }
 924                 samdb_msg_add_string(state->sam_ldb, mem_ctx, msg, "member", ldb_dn_alloc_linearized(mem_ctx, alias_member_dn));
 925
 926                 talloc_free(msgs);
 927         }
 928
 929         ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
 930         if (ret != 0) {
 931                 *error_string = talloc_asprintf(mem_ctx, "Failed to modify group record %s: %s",
 932                                                 ldb_dn_get_linearized(msg->dn),
 933                                                 ldb_errstring(state->sam_ldb));
 934                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 935         }
 936
 937         return NT_STATUS_OK;
 938 }
 939
 940 static NTSTATUS samsync_ldb_handle_account(TALLOC_CTX *mem_ctx,
 941                                            struct samsync_ldb_state *state,
 942                                            enum netr_SamDatabaseID database,
 943                                            struct netr_DELTA_ENUM *delta,
 944                                            char **error_string)
 945 {
 946         struct dom_sid *sid = delta->delta_id_union.sid;
 947         struct netr_DELTA_ACCOUNT *account = delta->delta_union.account;
 948
 949         struct ldb_message *msg;
 950         int ret;
 951         int i;
 952         char *dnstr, *sidstr;
 953
 954         msg = ldb_msg_new(mem_ctx);
 955         if (msg == NULL) {
 956                 return NT_STATUS_NO_MEMORY;
 957         }
 958
 959         sidstr = dom_sid_string(msg, sid);
 960         NT_STATUS_HAVE_NO_MEMORY_AND_FREE(sidstr, msg);
 961
 962         dnstr = talloc_asprintf(msg, "sid=%s", sidstr);
 963         NT_STATUS_HAVE_NO_MEMORY_AND_FREE(dnstr, msg);
 964
 965         msg->dn = ldb_dn_new(msg, state->pdb, dnstr);
 966         NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg->dn, msg);
 967
 968         for (i=0; i< account->privilege_entries; i++) {
 969                 samdb_msg_add_string(state->pdb, mem_ctx, msg, "privilege",
 970                                      account->privilege_name[i].string);
 971         }
 972
 973         ret = samdb_replace(state->pdb, mem_ctx, msg);
 974         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
 975                 if (samdb_msg_add_dom_sid(state->pdb, msg, msg, "objectSid", sid) != LDB_SUCCESS) {
 976                         talloc_free(msg);
 977                         return NT_STATUS_NO_MEMORY;
 978                 }
 979                 samdb_msg_add_string(state->pdb, msg, msg, "comment", "added via samsync");
 980                 ret = ldb_add(state->pdb, msg);
 981         }
 982
 983         if (ret != 0) {
 984                 *error_string = talloc_asprintf(mem_ctx, "Failed to modify privilege record %s",
 985                                                 ldb_dn_get_linearized(msg->dn));
 986                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 987         }
 988
 989         return NT_STATUS_OK;
 990 }
 991
 992 static NTSTATUS samsync_ldb_delete_account(TALLOC_CTX *mem_ctx,
 993                                            struct samsync_ldb_state *state,
 994                                            enum netr_SamDatabaseID database,
 995                                            struct netr_DELTA_ENUM *delta,
 996                                            char **error_string)
 997 {
 998         struct dom_sid *sid = delta->delta_id_union.sid;
 999
1000         struct ldb_message *msg;
1001         struct ldb_message **msgs;
1002         int ret;
1003         const char *attrs[] = { NULL };
1004
1005         msg = ldb_msg_new(mem_ctx);
1006         if (msg == NULL) {
1007                 return NT_STATUS_NO_MEMORY;
1008         }
1009
1010         /* search for the account, by sid, in the top basedn */
1011         ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[SAM_DATABASE_DOMAIN], &msgs, attrs,
1012                            "(objectSid=%s)",
1013                            ldap_encode_ndr_dom_sid(mem_ctx, sid));
1014
1015         if (ret == -1) {
1016                 *error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
1017                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1018         } else if (ret == 0) {
1019                 return NT_STATUS_NO_SUCH_USER;
1020         } else if (ret > 1) {
1021                 *error_string = talloc_asprintf(mem_ctx, "More than one account with SID: %s",
1022                                                 dom_sid_string(mem_ctx, sid));
1023                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1024         } else {
1025                 msg->dn = talloc_steal(msg, msgs[0]->dn);
1026         }
1027
1028         samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
1029                              "privilege");
1030
1031         ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
1032         if (ret != 0) {
1033                 *error_string = talloc_asprintf(mem_ctx, "Failed to modify privilege record %s",
1034                                                 ldb_dn_get_linearized(msg->dn));
1035                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1036         }
1037
1038         return NT_STATUS_OK;
1039 }
1040
1041 static NTSTATUS libnet_samsync_ldb_fn(TALLOC_CTX *mem_ctx,
1042                                       void *private_data,
1043                                       enum netr_SamDatabaseID database,
1044                                       struct netr_DELTA_ENUM *delta,
1045                                       char **error_string)
1046 {
1047         NTSTATUS nt_status = NT_STATUS_OK;
1048         struct samsync_ldb_state *state = talloc_get_type(private_data, struct samsync_ldb_state);
1049
1050         *error_string = NULL;
1051         switch (delta->delta_type) {
1052         case NETR_DELTA_DOMAIN:
1053         {
1054                 nt_status = samsync_ldb_handle_domain(mem_ctx,
1055                                                       state,
1056                                                       database,
1057                                                       delta,
1058                                                       error_string);
1059                 break;
1060         }
1061         case NETR_DELTA_USER:
1062         {
1063                 nt_status = samsync_ldb_handle_user(mem_ctx,
1064                                                     state,
1065                                                     database,
1066                                                     delta,
1067                                                     error_string);
1068                 break;
1069         }
1070         case NETR_DELTA_DELETE_USER:
1071         {
1072                 nt_status = samsync_ldb_delete_user(mem_ctx,
1073                                                     state,
1074                                                     database,
1075                                                     delta,
1076                                                     error_string);
1077                 break;
1078         }
1079         case NETR_DELTA_GROUP:
1080         {
1081                 nt_status = samsync_ldb_handle_group(mem_ctx,
1082                                                      state,
1083                                                      database,
1084                                                      delta,
1085                                                      error_string);
1086                 break;
1087         }
1088         case NETR_DELTA_DELETE_GROUP:
1089         {
1090                 nt_status = samsync_ldb_delete_group(mem_ctx,
1091                                                      state,
1092                                                      database,
1093                                                      delta,
1094                                                      error_string);
1095                 break;
1096         }
1097         case NETR_DELTA_GROUP_MEMBER:
1098         {
1099                 nt_status = samsync_ldb_handle_group_member(mem_ctx,
1100                                                             state,
1101                                                             database,
1102                                                             delta,
1103                                                             error_string);
1104                 break;
1105         }
1106         case NETR_DELTA_ALIAS:
1107         {
1108                 nt_status = samsync_ldb_handle_alias(mem_ctx,
1109                                                      state,
1110                                                      database,
1111                                                      delta,
1112                                                      error_string);
1113                 break;
1114         }
1115         case NETR_DELTA_DELETE_ALIAS:
1116         {
1117                 nt_status = samsync_ldb_delete_alias(mem_ctx,
1118                                                      state,
1119                                                      database,
1120                                                      delta,
1121                                                      error_string);
1122                 break;
1123         }
1124         case NETR_DELTA_ALIAS_MEMBER:
1125         {
1126                 nt_status = samsync_ldb_handle_alias_member(mem_ctx,
1127                                                             state,
1128                                                             database,
1129                                                             delta,
1130                                                             error_string);
1131                 break;
1132         }
1133         case NETR_DELTA_ACCOUNT:
1134         {
1135                 nt_status = samsync_ldb_handle_account(mem_ctx,
1136                                                        state,
1137                                                        database,
1138                                                        delta,
1139                                                        error_string);
1140                 break;
1141         }
1142         case NETR_DELTA_DELETE_ACCOUNT:
1143         {
1144                 nt_status = samsync_ldb_delete_account(mem_ctx,
1145                                                        state,
1146                                                        database,
1147                                                        delta,
1148                                                        error_string);
1149                 break;
1150         }
1151         default:
1152                 /* Can't dump them all right now */
1153                 break;
1154         }
1155         if (!NT_STATUS_IS_OK(nt_status) && !*error_string) {
1156                 *error_string = talloc_asprintf(mem_ctx, "Failed to handle samsync delta: %s", nt_errstr(nt_status));
1157         }
1158         return nt_status;
1159 }
1160
1161 static NTSTATUS libnet_samsync_ldb_init(TALLOC_CTX *mem_ctx,
1162                                         void *private_data,
1163                                         struct libnet_SamSync_state *samsync_state,
1164                                         char **error_string)
1165 {
1166         struct samsync_ldb_state *state = talloc_get_type(private_data, struct samsync_ldb_state);
1167         const char *server = dcerpc_server_name(samsync_state->netlogon_pipe);
1168         char *ldap_url;
1169
1170         state->samsync_state = samsync_state;
1171
1172         ZERO_STRUCT(state->dom_sid);
1173         if (state->samsync_state->domain_sid) {
1174                 state->dom_sid[SAM_DATABASE_DOMAIN] = dom_sid_dup(state, state->samsync_state->domain_sid);
1175         }
1176
1177         state->dom_sid[SAM_DATABASE_BUILTIN] = dom_sid_parse_talloc(state, SID_BUILTIN);
1178
1179         if (state->samsync_state->realm) {
1180                 if (!server || !*server) {
1181                         /* huh?  how do we not have a server name?  */
1182                         *error_string = talloc_strdup(mem_ctx, "No DCE/RPC server name available.  How did we connect?");
1183                         return NT_STATUS_INVALID_PARAMETER;
1184                 }
1185                 ldap_url = talloc_asprintf(state, "ldap://%s", server);
1186
1187                 state->remote_ldb = ldb_wrap_connect(mem_ctx,
1188                                                      state->samsync_state->machine_net_ctx->event_ctx,
1189                                                      state->samsync_state->machine_net_ctx->lp_ctx,
1190                                                      ldap_url,
1191                                                      NULL, state->samsync_state->machine_net_ctx->cred,
1192                                                      0);
1193                 if (!state->remote_ldb) {
1194                         *error_string = talloc_asprintf(mem_ctx, "Failed to connect to remote LDAP server at %s (used to extract additional data in SamSync replication)", ldap_url);
1195                         return NT_STATUS_NO_LOGON_SERVERS;
1196                 }
1197         } else {
1198                 state->remote_ldb = NULL;
1199         }
1200         return NT_STATUS_OK;
1201 }
1202
1203 NTSTATUS libnet_samsync_ldb(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_samsync_ldb *r)
1204 {
1205         NTSTATUS nt_status;
1206         struct libnet_SamSync r2;
1207         struct samsync_ldb_state *state = talloc(mem_ctx, struct samsync_ldb_state);
1208
1209         if (!state) {
1210                 return NT_STATUS_NO_MEMORY;
1211         }
1212
1213         state->secrets         = NULL;
1214         state->trusted_domains = NULL;
1215
1216         state->sam_ldb         = samdb_connect(mem_ctx,
1217                                                ctx->event_ctx,
1218                                                ctx->lp_ctx,
1219                                                r->in.session_info);
1220         if (!state->sam_ldb) {
1221                 return NT_STATUS_INTERNAL_DB_ERROR;
1222         }
1223
1224         state->pdb             = privilege_connect(mem_ctx,
1225                                                    ctx->event_ctx,
1226                                                    ctx->lp_ctx);
1227         if (!state->pdb) {
1228                 return NT_STATUS_INTERNAL_DB_ERROR;
1229         }
1230
1231         r2.out.error_string    = NULL;
1232         r2.in.binding_string   = r->in.binding_string;
1233         r2.in.init_fn          = libnet_samsync_ldb_init;
1234         r2.in.delta_fn         = libnet_samsync_ldb_fn;
1235         r2.in.fn_ctx           = state;
1236         r2.in.machine_account  = NULL; /* TODO:  Create a machine account, fill this in, and the delete it */
1237         nt_status              = libnet_SamSync_netlogon(ctx, state, &r2);
1238         r->out.error_string    = r2.out.error_string;
1239         talloc_steal(mem_ctx, r->out.error_string);
1240
1241         if (!NT_STATUS_IS_OK(nt_status)) {
1242                 talloc_free(state);
1243                 return nt_status;
1244         }
1245         talloc_free(state);
1246         return nt_status;
1247 }