source3/passdb/pdb_ipa.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    IPA helper functions for SAMBA
   4    Copyright (C) Sumit Bose <sbose@redhat.com> 2010
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "includes.h"
  22 #include "passdb.h"
  23 #include "libcli/security/dom_sid.h"
  24 #include "../librpc/ndr/libndr.h"
  25 #include "librpc/gen_ndr/samr.h"
  26
  27 #include "smbldap.h"
  28
  29 #define IPA_KEYTAB_SET_OID "2.16.840.1.113730.3.8.3.1"
  30 #define IPA_MAGIC_ID_STR "999"
  31
  32 #define LDAP_TRUST_CONTAINER "ou=system"
  33 #define LDAP_ATTRIBUTE_CN "cn"
  34 #define LDAP_ATTRIBUTE_TRUST_TYPE "sambaTrustType"
  35 #define LDAP_ATTRIBUTE_TRUST_ATTRIBUTES "sambaTrustAttributes"
  36 #define LDAP_ATTRIBUTE_TRUST_DIRECTION "sambaTrustDirection"
  37 #define LDAP_ATTRIBUTE_TRUST_PARTNER "sambaTrustPartner"
  38 #define LDAP_ATTRIBUTE_FLAT_NAME "sambaFlatName"
  39 #define LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING "sambaTrustAuthOutgoing"
  40 #define LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING "sambaTrustAuthIncoming"
  41 #define LDAP_ATTRIBUTE_SECURITY_IDENTIFIER "sambaSecurityIdentifier"
  42 #define LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO "sambaTrustForestTrustInfo"
  43 #define LDAP_ATTRIBUTE_OBJECTCLASS "objectClass"
  44
  45 #define LDAP_OBJ_KRB_PRINCIPAL "krbPrincipal"
  46 #define LDAP_OBJ_KRB_PRINCIPAL_AUX "krbPrincipalAux"
  47 #define LDAP_ATTRIBUTE_KRB_PRINCIPAL "krbPrincipalName"
  48
  49 #define LDAP_OBJ_IPAOBJECT "ipaObject"
  50 #define LDAP_OBJ_IPAHOST "ipaHost"
  51 #define LDAP_OBJ_POSIXACCOUNT "posixAccount"
  52
  53 #define LDAP_OBJ_GROUPOFNAMES "groupOfNames"
  54 #define LDAP_OBJ_NESTEDGROUP "nestedGroup"
  55 #define LDAP_OBJ_IPAUSERGROUP "ipaUserGroup"
  56 #define LDAP_OBJ_POSIXGROUP "posixGroup"
  57
  58 #define HAS_KRB_PRINCIPAL (1<<0)
  59 #define HAS_KRB_PRINCIPAL_AUX (1<<1)
  60 #define HAS_IPAOBJECT (1<<2)
  61 #define HAS_IPAHOST (1<<3)
  62 #define HAS_POSIXACCOUNT (1<<4)
  63 #define HAS_GROUPOFNAMES (1<<5)
  64 #define HAS_NESTEDGROUP (1<<6)
  65 #define HAS_IPAUSERGROUP (1<<7)
  66 #define HAS_POSIXGROUP (1<<8)
  67
  68 struct ipasam_privates {
  69         bool server_is_ipa;
  70         NTSTATUS (*ldapsam_add_sam_account)(struct pdb_methods *,
  71                                             struct samu *sampass);
  72         NTSTATUS (*ldapsam_update_sam_account)(struct pdb_methods *,
  73                                                struct samu *sampass);
  74         NTSTATUS (*ldapsam_create_user)(struct pdb_methods *my_methods,
  75                                         TALLOC_CTX *tmp_ctx, const char *name,
  76                                         uint32_t acb_info, uint32_t *rid);
  77         NTSTATUS (*ldapsam_create_dom_group)(struct pdb_methods *my_methods,
  78                                              TALLOC_CTX *tmp_ctx,
  79                                              const char *name,
  80                                              uint32_t *rid);
  81 };
  82
  83 static bool ipasam_get_trusteddom_pw(struct pdb_methods *methods,
  84                                       const char *domain,
  85                                       char** pwd,
  86                                       struct dom_sid *sid,
  87                                       time_t *pass_last_set_time)
  88 {
  89         return false;
  90 }
  91
  92 static bool ipasam_set_trusteddom_pw(struct pdb_methods *methods,
  93                                       const char* domain,
  94                                       const char* pwd,
  95                                       const struct dom_sid *sid)
  96 {
  97         return false;
  98 }
  99
 100 static bool ipasam_del_trusteddom_pw(struct pdb_methods *methods,
 101                                       const char *domain)
 102 {
 103         return false;
 104 }
 105
 106 static char *get_account_dn(const char *name)
 107 {
 108         char *escape_name;
 109         char *dn;
 110
 111         escape_name = escape_rdn_val_string_alloc(name);
 112         if (!escape_name) {
 113                 return NULL;
 114         }
 115
 116         if (name[strlen(name)-1] == '$') {
 117                 dn = talloc_asprintf(talloc_tos(), "uid=%s,%s", escape_name,
 118                                      lp_ldap_machine_suffix());
 119         } else {
 120                 dn = talloc_asprintf(talloc_tos(), "uid=%s,%s", escape_name,
 121                                      lp_ldap_user_suffix());
 122         }
 123
 124         SAFE_FREE(escape_name);
 125
 126         return dn;
 127 }
 128
 129 static char *trusted_domain_dn(struct ldapsam_privates *ldap_state,
 130                                const char *domain)
 131 {
 132         return talloc_asprintf(talloc_tos(), "%s=%s,%s,%s",
 133                                LDAP_ATTRIBUTE_CN, domain,
 134                                LDAP_TRUST_CONTAINER, ldap_state->domain_dn);
 135 }
 136
 137 static char *trusted_domain_base_dn(struct ldapsam_privates *ldap_state)
 138 {
 139         return talloc_asprintf(talloc_tos(), "%s,%s",
 140                                LDAP_TRUST_CONTAINER, ldap_state->domain_dn);
 141 }
 142
 143 static bool get_trusted_domain_int(struct ldapsam_privates *ldap_state,
 144                                    TALLOC_CTX *mem_ctx,
 145                                    const char *filter, LDAPMessage **entry)
 146 {
 147         int rc;
 148         char *base_dn = NULL;
 149         LDAPMessage *result = NULL;
 150         uint32_t num_result;
 151
 152         base_dn = trusted_domain_base_dn(ldap_state);
 153         if (base_dn == NULL) {
 154                 return false;
 155         }
 156
 157         rc = smbldap_search(ldap_state->smbldap_state, base_dn,
 158                             LDAP_SCOPE_SUBTREE, filter, NULL, 0, &result);
 159         TALLOC_FREE(base_dn);
 160
 161         if (result != NULL) {
 162                 talloc_autofree_ldapmsg(mem_ctx, result);
 163         }
 164
 165         if (rc == LDAP_NO_SUCH_OBJECT) {
 166                 *entry = NULL;
 167                 return true;
 168         }
 169
 170         if (rc != LDAP_SUCCESS) {
 171                 return false;
 172         }
 173
 174         num_result = ldap_count_entries(priv2ld(ldap_state), result);
 175
 176         if (num_result > 1) {
 177                 DEBUG(1, ("get_trusted_domain_int: more than one "
 178                           "%s object with filter '%s'?!\n",
 179                           LDAP_OBJ_TRUSTED_DOMAIN, filter));
 180                 return false;
 181         }
 182
 183         if (num_result == 0) {
 184                 DEBUG(1, ("get_trusted_domain_int: no "
 185                           "%s object with filter '%s'.\n",
 186                           LDAP_OBJ_TRUSTED_DOMAIN, filter));
 187                 *entry = NULL;
 188         } else {
 189                 *entry = ldap_first_entry(priv2ld(ldap_state), result);
 190         }
 191
 192         return true;
 193 }
 194
 195 static bool get_trusted_domain_by_name_int(struct ldapsam_privates *ldap_state,
 196                                           TALLOC_CTX *mem_ctx,
 197                                           const char *domain,
 198                                           LDAPMessage **entry)
 199 {
 200         char *filter = NULL;
 201
 202         filter = talloc_asprintf(talloc_tos(),
 203                                  "(&(objectClass=%s)(|(%s=%s)(%s=%s)(cn=%s)))",
 204                                  LDAP_OBJ_TRUSTED_DOMAIN,
 205                                  LDAP_ATTRIBUTE_FLAT_NAME, domain,
 206                                  LDAP_ATTRIBUTE_TRUST_PARTNER, domain, domain);
 207         if (filter == NULL) {
 208                 return false;
 209         }
 210
 211         return get_trusted_domain_int(ldap_state, mem_ctx, filter, entry);
 212 }
 213
 214 static bool get_trusted_domain_by_sid_int(struct ldapsam_privates *ldap_state,
 215                                            TALLOC_CTX *mem_ctx,
 216                                            const char *sid, LDAPMessage **entry)
 217 {
 218         char *filter = NULL;
 219
 220         filter = talloc_asprintf(talloc_tos(), "(&(objectClass=%s)(%s=%s))",
 221                                  LDAP_OBJ_TRUSTED_DOMAIN,
 222                                  LDAP_ATTRIBUTE_SECURITY_IDENTIFIER, sid);
 223         if (filter == NULL) {
 224                 return false;
 225         }
 226
 227         return get_trusted_domain_int(ldap_state, mem_ctx, filter, entry);
 228 }
 229
 230 static bool get_uint32_t_from_ldap_msg(struct ldapsam_privates *ldap_state,
 231                                        LDAPMessage *entry,
 232                                        const char *attr,
 233                                        uint32_t *val)
 234 {
 235         char *dummy;
 236         long int l;
 237         char *endptr;
 238
 239         dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry,
 240                                                 attr, talloc_tos());
 241         if (dummy == NULL) {
 242                 DEBUG(9, ("Attribute %s not present.\n", attr));
 243                 *val = 0;
 244                 return true;
 245         }
 246
 247         l = strtoul(dummy, &endptr, 10);
 248         TALLOC_FREE(dummy);
 249
 250         if (l < 0 || l > UINT32_MAX || *endptr != '\0') {
 251                 return false;
 252         }
 253
 254         *val = l;
 255
 256         return true;
 257 }
 258
 259 static void get_data_blob_from_ldap_msg(TALLOC_CTX *mem_ctx,
 260                                         struct ldapsam_privates *ldap_state,
 261                                         LDAPMessage *entry, const char *attr,
 262                                         DATA_BLOB *_blob)
 263 {
 264         char *dummy;
 265         DATA_BLOB blob;
 266
 267         dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, attr,
 268                                                 talloc_tos());
 269         if (dummy == NULL) {
 270                 DEBUG(9, ("Attribute %s not present.\n", attr));
 271                 ZERO_STRUCTP(_blob);
 272         } else {
 273                 blob = base64_decode_data_blob(dummy);
 274                 if (blob.length == 0) {
 275                         ZERO_STRUCTP(_blob);
 276                 } else {
 277                         _blob->length = blob.length;
 278                         _blob->data = talloc_steal(mem_ctx, blob.data);
 279                 }
 280         }
 281         TALLOC_FREE(dummy);
 282 }
 283
 284 static bool fill_pdb_trusted_domain(TALLOC_CTX *mem_ctx,
 285                                     struct ldapsam_privates *ldap_state,
 286                                     LDAPMessage *entry,
 287                                     struct pdb_trusted_domain **_td)
 288 {
 289         char *dummy;
 290         bool res;
 291         struct pdb_trusted_domain *td;
 292
 293         if (entry == NULL) {
 294                 return false;
 295         }
 296
 297         td = talloc_zero(mem_ctx, struct pdb_trusted_domain);
 298         if (td == NULL) {
 299                 return false;
 300         }
 301
 302         /* All attributes are MAY */
 303
 304         dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry,
 305                                                 LDAP_ATTRIBUTE_SECURITY_IDENTIFIER,
 306                                                 talloc_tos());
 307         if (dummy == NULL) {
 308                 DEBUG(9, ("Attribute %s not present.\n",
 309                           LDAP_ATTRIBUTE_SECURITY_IDENTIFIER));
 310                 ZERO_STRUCT(td->security_identifier);
 311         } else {
 312                 res = string_to_sid(&td->security_identifier, dummy);
 313                 TALLOC_FREE(dummy);
 314                 if (!res) {
 315                         return false;
 316                 }
 317         }
 318
 319         get_data_blob_from_ldap_msg(td, ldap_state, entry,
 320                                     LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING,
 321                                     &td->trust_auth_incoming);
 322
 323         get_data_blob_from_ldap_msg(td, ldap_state, entry,
 324                                     LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING,
 325                                     &td->trust_auth_outgoing);
 326
 327         td->netbios_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
 328                                                            entry,
 329                                                            LDAP_ATTRIBUTE_FLAT_NAME,
 330                                                            td);
 331         if (td->netbios_name == NULL) {
 332                 DEBUG(9, ("Attribute %s not present.\n",
 333                           LDAP_ATTRIBUTE_FLAT_NAME));
 334         }
 335
 336         td->domain_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
 337                                                           entry,
 338                                                           LDAP_ATTRIBUTE_TRUST_PARTNER,
 339                                                           td);
 340         if (td->domain_name == NULL) {
 341                 DEBUG(9, ("Attribute %s not present.\n",
 342                           LDAP_ATTRIBUTE_TRUST_PARTNER));
 343         }
 344
 345         res = get_uint32_t_from_ldap_msg(ldap_state, entry,
 346                                          LDAP_ATTRIBUTE_TRUST_DIRECTION,
 347                                          &td->trust_direction);
 348         if (!res) {
 349                 return false;
 350         }
 351
 352         res = get_uint32_t_from_ldap_msg(ldap_state, entry,
 353                                          LDAP_ATTRIBUTE_TRUST_ATTRIBUTES,
 354                                          &td->trust_attributes);
 355         if (!res) {
 356                 return false;
 357         }
 358
 359         res = get_uint32_t_from_ldap_msg(ldap_state, entry,
 360                                          LDAP_ATTRIBUTE_TRUST_TYPE,
 361                                          &td->trust_type);
 362         if (!res) {
 363                 return false;
 364         }
 365
 366         get_data_blob_from_ldap_msg(td, ldap_state, entry,
 367                                     LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO,
 368                                     &td->trust_forest_trust_info);
 369
 370         *_td = td;
 371
 372         return true;
 373 }
 374
 375 static NTSTATUS ipasam_get_trusted_domain(struct pdb_methods *methods,
 376                                           TALLOC_CTX *mem_ctx,
 377                                           const char *domain,
 378                                           struct pdb_trusted_domain **td)
 379 {
 380         struct ldapsam_privates *ldap_state =
 381                 (struct ldapsam_privates *)methods->private_data;
 382         LDAPMessage *entry = NULL;
 383
 384         DEBUG(10, ("ipasam_get_trusted_domain called for domain %s\n", domain));
 385
 386         if (!get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain,
 387                                             &entry)) {
 388                 return NT_STATUS_UNSUCCESSFUL;
 389         }
 390         if (entry == NULL) {
 391                 DEBUG(5, ("ipasam_get_trusted_domain: no such trusted domain: "
 392                           "%s\n", domain));
 393                 return NT_STATUS_NO_SUCH_DOMAIN;
 394         }
 395
 396         if (!fill_pdb_trusted_domain(mem_ctx, ldap_state, entry, td)) {
 397                 return NT_STATUS_UNSUCCESSFUL;
 398         }
 399
 400         return NT_STATUS_OK;
 401 }
 402
 403 static NTSTATUS ipasam_get_trusted_domain_by_sid(struct pdb_methods *methods,
 404                                                  TALLOC_CTX *mem_ctx,
 405                                                  struct dom_sid *sid,
 406                                                  struct pdb_trusted_domain **td)
 407 {
 408         struct ldapsam_privates *ldap_state =
 409                 (struct ldapsam_privates *)methods->private_data;
 410         LDAPMessage *entry = NULL;
 411         char *sid_str;
 412
 413         sid_str = sid_string_tos(sid);
 414
 415         DEBUG(10, ("ipasam_get_trusted_domain_by_sid called for sid %s\n",
 416                    sid_str));
 417
 418         if (!get_trusted_domain_by_sid_int(ldap_state, talloc_tos(), sid_str,
 419                                            &entry)) {
 420                 return NT_STATUS_UNSUCCESSFUL;
 421         }
 422         if (entry == NULL) {
 423                 DEBUG(5, ("ipasam_get_trusted_domain_by_sid: no trusted domain "
 424                           "with sid: %s\n", sid_str));
 425                 return NT_STATUS_NO_SUCH_DOMAIN;
 426         }
 427
 428         if (!fill_pdb_trusted_domain(mem_ctx, ldap_state, entry, td)) {
 429                 return NT_STATUS_UNSUCCESSFUL;
 430         }
 431
 432         return NT_STATUS_OK;
 433 }
 434
 435 static bool smbldap_make_mod_uint32_t(LDAP *ldap_struct, LDAPMessage *entry,
 436                                       LDAPMod ***mods, const char *attribute,
 437                                       const uint32_t val)
 438 {
 439         char *dummy;
 440
 441         dummy = talloc_asprintf(talloc_tos(), "%lu", (unsigned long) val);
 442         if (dummy == NULL) {
 443                 return false;
 444         }
 445         smbldap_make_mod(ldap_struct, entry, mods, attribute, dummy);
 446         TALLOC_FREE(dummy);
 447
 448         return true;
 449 }
 450
 451 static NTSTATUS ipasam_set_trusted_domain(struct pdb_methods *methods,
 452                                           const char* domain,
 453                                           const struct pdb_trusted_domain *td)
 454 {
 455         struct ldapsam_privates *ldap_state =
 456                 (struct ldapsam_privates *)methods->private_data;
 457         LDAPMessage *entry = NULL;
 458         LDAPMod **mods;
 459         bool res;
 460         char *trusted_dn = NULL;
 461         int ret;
 462
 463         DEBUG(10, ("ipasam_set_trusted_domain called for domain %s\n", domain));
 464
 465         res = get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain,
 466                                              &entry);
 467         if (!res) {
 468                 return NT_STATUS_UNSUCCESSFUL;
 469         }
 470
 471         mods = NULL;
 472         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
 473                          LDAP_OBJ_TRUSTED_DOMAIN);
 474
 475         if (td->netbios_name != NULL) {
 476                 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
 477                                  LDAP_ATTRIBUTE_FLAT_NAME,
 478                                  td->netbios_name);
 479         }
 480
 481         if (td->domain_name != NULL) {
 482                 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
 483                                  LDAP_ATTRIBUTE_TRUST_PARTNER,
 484                                  td->domain_name);
 485         }
 486
 487         if (!is_null_sid(&td->security_identifier)) {
 488                 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
 489                                  LDAP_ATTRIBUTE_SECURITY_IDENTIFIER,
 490                                  sid_string_tos(&td->security_identifier));
 491         }
 492
 493         if (td->trust_type != 0) {
 494                 res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry,
 495                                                 &mods, LDAP_ATTRIBUTE_TRUST_TYPE,
 496                                                 td->trust_type);
 497                 if (!res) {
 498                         return NT_STATUS_UNSUCCESSFUL;
 499                 }
 500         }
 501
 502         if (td->trust_attributes != 0) {
 503                 res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry,
 504                                                 &mods,
 505                                                 LDAP_ATTRIBUTE_TRUST_ATTRIBUTES,
 506                                                 td->trust_attributes);
 507                 if (!res) {
 508                         return NT_STATUS_UNSUCCESSFUL;
 509                 }
 510         }
 511
 512         if (td->trust_direction != 0) {
 513                 res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry,
 514                                                 &mods,
 515                                                 LDAP_ATTRIBUTE_TRUST_DIRECTION,
 516                                                 td->trust_direction);
 517                 if (!res) {
 518                         return NT_STATUS_UNSUCCESSFUL;
 519                 }
 520         }
 521
 522         if (td->trust_auth_outgoing.data != NULL) {
 523                 smbldap_make_mod_blob(priv2ld(ldap_state), entry, &mods,
 524                                       LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING,
 525                                       &td->trust_auth_outgoing);
 526         }
 527
 528         if (td->trust_auth_incoming.data != NULL) {
 529                 smbldap_make_mod_blob(priv2ld(ldap_state), entry, &mods,
 530                                       LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING,
 531                                       &td->trust_auth_incoming);
 532         }
 533
 534         if (td->trust_forest_trust_info.data != NULL) {
 535                 smbldap_make_mod_blob(priv2ld(ldap_state), entry, &mods,
 536                                       LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO,
 537                                       &td->trust_forest_trust_info);
 538         }
 539
 540         talloc_autofree_ldapmod(talloc_tos(), mods);
 541
 542         trusted_dn = trusted_domain_dn(ldap_state, domain);
 543         if (trusted_dn == NULL) {
 544                 return NT_STATUS_NO_MEMORY;
 545         }
 546         if (entry == NULL) {
 547                 ret = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
 548         } else {
 549                 ret = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
 550         }
 551
 552         if (ret != LDAP_SUCCESS) {
 553                 DEBUG(1, ("error writing trusted domain data!\n"));
 554                 return NT_STATUS_UNSUCCESSFUL;
 555         }
 556         return NT_STATUS_OK;
 557 }
 558
 559 static NTSTATUS ipasam_del_trusted_domain(struct pdb_methods *methods,
 560                                            const char *domain)
 561 {
 562         int ret;
 563         struct ldapsam_privates *ldap_state =
 564                 (struct ldapsam_privates *)methods->private_data;
 565         LDAPMessage *entry = NULL;
 566         const char *dn;
 567
 568         if (!get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain,
 569                                             &entry)) {
 570                 return NT_STATUS_UNSUCCESSFUL;
 571         }
 572
 573         if (entry == NULL) {
 574                 DEBUG(5, ("ipasam_del_trusted_domain: no such trusted domain: "
 575                           "%s\n", domain));
 576                 return NT_STATUS_NO_SUCH_DOMAIN;
 577         }
 578
 579         dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state), entry);
 580         if (dn == NULL) {
 581                 DEBUG(0,("ipasam_del_trusted_domain: Out of memory!\n"));
 582                 return NT_STATUS_NO_MEMORY;
 583         }
 584
 585         ret = smbldap_delete(ldap_state->smbldap_state, dn);
 586         if (ret != LDAP_SUCCESS) {
 587                 return NT_STATUS_UNSUCCESSFUL;
 588         }
 589
 590         return NT_STATUS_OK;
 591 }
 592
 593 static NTSTATUS ipasam_enum_trusted_domains(struct pdb_methods *methods,
 594                                             TALLOC_CTX *mem_ctx,
 595                                             uint32_t *num_domains,
 596                                             struct pdb_trusted_domain ***domains)
 597 {
 598         int rc;
 599         struct ldapsam_privates *ldap_state =
 600                 (struct ldapsam_privates *)methods->private_data;
 601         char *base_dn = NULL;
 602         char *filter = NULL;
 603         int scope = LDAP_SCOPE_SUBTREE;
 604         LDAPMessage *result = NULL;
 605         LDAPMessage *entry = NULL;
 606
 607         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
 608                                  LDAP_OBJ_TRUSTED_DOMAIN);
 609         if (filter == NULL) {
 610                 return NT_STATUS_NO_MEMORY;
 611         }
 612
 613         base_dn = trusted_domain_base_dn(ldap_state);
 614         if (base_dn == NULL) {
 615                 TALLOC_FREE(filter);
 616                 return NT_STATUS_NO_MEMORY;
 617         }
 618
 619         rc = smbldap_search(ldap_state->smbldap_state, base_dn, scope, filter,
 620                             NULL, 0, &result);
 621         TALLOC_FREE(filter);
 622         TALLOC_FREE(base_dn);
 623
 624         if (result != NULL) {
 625                 talloc_autofree_ldapmsg(mem_ctx, result);
 626         }
 627
 628         if (rc == LDAP_NO_SUCH_OBJECT) {
 629                 *num_domains = 0;
 630                 *domains = NULL;
 631                 return NT_STATUS_OK;
 632         }
 633
 634         if (rc != LDAP_SUCCESS) {
 635                 return NT_STATUS_UNSUCCESSFUL;
 636         }
 637
 638         *num_domains = 0;
 639         if (!(*domains = TALLOC_ARRAY(mem_ctx, struct pdb_trusted_domain *, 1))) {
 640                 DEBUG(1, ("talloc failed\n"));
 641                 return NT_STATUS_NO_MEMORY;
 642         }
 643
 644         for (entry = ldap_first_entry(priv2ld(ldap_state), result);
 645              entry != NULL;
 646              entry = ldap_next_entry(priv2ld(ldap_state), entry))
 647         {
 648                 struct pdb_trusted_domain *dom_info;
 649
 650                 if (!fill_pdb_trusted_domain(*domains, ldap_state, entry,
 651                                              &dom_info)) {
 652                         return NT_STATUS_UNSUCCESSFUL;
 653                 }
 654
 655                 ADD_TO_ARRAY(*domains, struct pdb_trusted_domain *, dom_info,
 656                              domains, num_domains);
 657
 658                 if (*domains == NULL) {
 659                         DEBUG(1, ("talloc failed\n"));
 660                         return NT_STATUS_NO_MEMORY;
 661                 }
 662         }
 663
 664         DEBUG(5, ("ipasam_enum_trusted_domains: got %d domains\n", *num_domains));
 665         return NT_STATUS_OK;
 666 }
 667
 668 static NTSTATUS ipasam_enum_trusteddoms(struct pdb_methods *methods,
 669                                          TALLOC_CTX *mem_ctx,
 670                                          uint32_t *num_domains,
 671                                          struct trustdom_info ***domains)
 672 {
 673         NTSTATUS status;
 674         struct pdb_trusted_domain **td;
 675         int i;
 676
 677         status = ipasam_enum_trusted_domains(methods, talloc_tos(),
 678                                              num_domains, &td);
 679         if (!NT_STATUS_IS_OK(status)) {
 680                 return status;
 681         }
 682
 683         if (*num_domains == 0) {
 684                 return NT_STATUS_OK;
 685         }
 686
 687         if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *,
 688                                       *num_domains))) {
 689                 DEBUG(1, ("talloc failed\n"));
 690                 return NT_STATUS_NO_MEMORY;
 691         }
 692
 693         for (i = 0; i < *num_domains; i++) {
 694                 struct trustdom_info *dom_info;
 695
 696                 dom_info = TALLOC_P(*domains, struct trustdom_info);
 697                 if (dom_info == NULL) {
 698                         DEBUG(1, ("talloc failed\n"));
 699                         return NT_STATUS_NO_MEMORY;
 700                 }
 701
 702                 dom_info->name = talloc_steal(mem_ctx, td[i]->netbios_name);
 703                 sid_copy(&dom_info->sid, &td[i]->security_identifier);
 704
 705                 (*domains)[i] = dom_info;
 706         }
 707
 708         return NT_STATUS_OK;
 709 }
 710
 711 static uint32_t pdb_ipasam_capabilities(struct pdb_methods *methods)
 712 {
 713         return PDB_CAP_STORE_RIDS | PDB_CAP_ADS | PDB_CAP_TRUSTED_DOMAINS_EX;
 714 }
 715
 716 static struct pdb_domain_info *pdb_ipasam_get_domain_info(struct pdb_methods *pdb_methods,
 717                                                           TALLOC_CTX *mem_ctx)
 718 {
 719         struct pdb_domain_info *info;
 720         NTSTATUS status;
 721         struct ldapsam_privates *ldap_state = pdb_methods->private_data;
 722
 723         info = talloc(mem_ctx, struct pdb_domain_info);
 724         if (info == NULL) {
 725                 return NULL;
 726         }
 727
 728         info->name = talloc_strdup(info, ldap_state->domain_name);
 729         if (info->name == NULL) {
 730                 goto fail;
 731         }
 732
 733         /* TODO: read dns_domain, dns_forest and guid from LDAP */
 734         info->dns_domain = talloc_strdup(info, lp_realm());
 735         if (info->dns_domain == NULL) {
 736                 goto fail;
 737         }
 738         strlower_m(info->dns_domain);
 739         info->dns_forest = talloc_strdup(info, info->dns_domain);
 740         sid_copy(&info->sid, &ldap_state->domain_sid);
 741
 742         status = GUID_from_string("testguid", &info->guid);
 743
 744         return info;
 745
 746 fail:
 747         TALLOC_FREE(info);
 748         return NULL;
 749 }
 750
 751 static NTSTATUS modify_ipa_password_exop(struct ldapsam_privates *ldap_state,
 752                                          struct samu *sampass)
 753 {
 754         int ret;
 755         BerElement *ber = NULL;
 756         struct berval *bv = NULL;
 757         char *retoid = NULL;
 758         struct berval *retdata = NULL;
 759         const char *password;
 760         char *dn;
 761
 762         password = pdb_get_plaintext_passwd(sampass);
 763         if (password == NULL || *password == '\0') {
 764                 return NT_STATUS_INVALID_PARAMETER;
 765         }
 766
 767         dn = get_account_dn(pdb_get_username(sampass));
 768         if (dn == NULL) {
 769                 return NT_STATUS_INVALID_PARAMETER;
 770         }
 771
 772         ber = ber_alloc_t( LBER_USE_DER );
 773         if (ber == NULL) {
 774                 DEBUG(7, ("ber_alloc_t failed.\n"));
 775                 return NT_STATUS_NO_MEMORY;
 776         }
 777
 778         ret = ber_printf(ber, "{tsts}", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, dn,
 779                          LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, password);
 780         if (ret == -1) {
 781                 DEBUG(7, ("ber_printf failed.\n"));
 782                 ber_free(ber, 1);
 783                 return NT_STATUS_UNSUCCESSFUL;
 784         }
 785
 786         ret = ber_flatten(ber, &bv);
 787         ber_free(ber, 1);
 788         if (ret == -1) {
 789                 DEBUG(1, ("ber_flatten failed.\n"));
 790                 return NT_STATUS_UNSUCCESSFUL;
 791         }
 792
 793         ret = smbldap_extended_operation(ldap_state->smbldap_state,
 794                                          LDAP_EXOP_MODIFY_PASSWD, bv, NULL,
 795                                          NULL, &retoid, &retdata);
 796         ber_bvfree(bv);
 797         if (retdata) {
 798                 ber_bvfree(retdata);
 799         }
 800         if (retoid) {
 801                 ldap_memfree(retoid);
 802         }
 803         if (ret != LDAP_SUCCESS) {
 804                 DEBUG(1, ("smbldap_extended_operation LDAP_EXOP_MODIFY_PASSWD failed.\n"));
 805                 return NT_STATUS_UNSUCCESSFUL;
 806         }
 807
 808         return NT_STATUS_OK;
 809 }
 810
 811 static NTSTATUS ipasam_get_objectclasses(struct ldapsam_privates *ldap_state,
 812                                          const char *dn, LDAPMessage *entry,
 813                                          uint32_t *has_objectclass)
 814 {
 815         char **objectclasses;
 816         size_t c;
 817
 818         objectclasses = ldap_get_values(priv2ld(ldap_state), entry,
 819                                         LDAP_ATTRIBUTE_OBJECTCLASS);
 820         if (objectclasses == NULL) {
 821                 DEBUG(0, ("Entry [%s] does not have any objectclasses.\n", dn));
 822                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 823         }
 824
 825         *has_objectclass = 0;
 826         for (c = 0; objectclasses[c] != NULL; c++) {
 827                 if (strequal(objectclasses[c], LDAP_OBJ_KRB_PRINCIPAL)) {
 828                         *has_objectclass |= HAS_KRB_PRINCIPAL;
 829                 } else if (strequal(objectclasses[c],
 830                            LDAP_OBJ_KRB_PRINCIPAL_AUX)) {
 831                         *has_objectclass |= HAS_KRB_PRINCIPAL_AUX;
 832                 } else if (strequal(objectclasses[c], LDAP_OBJ_IPAOBJECT)) {
 833                         *has_objectclass |= HAS_IPAOBJECT;
 834                 } else if (strequal(objectclasses[c], LDAP_OBJ_IPAHOST)) {
 835                         *has_objectclass |= HAS_IPAHOST;
 836                 } else if (strequal(objectclasses[c], LDAP_OBJ_POSIXACCOUNT)) {
 837                         *has_objectclass |= HAS_POSIXACCOUNT;
 838                 } else if (strequal(objectclasses[c], LDAP_OBJ_GROUPOFNAMES)) {
 839                         *has_objectclass |= HAS_GROUPOFNAMES;
 840                 } else if (strequal(objectclasses[c], LDAP_OBJ_NESTEDGROUP)) {
 841                         *has_objectclass |= HAS_NESTEDGROUP;
 842                 } else if (strequal(objectclasses[c], LDAP_OBJ_IPAUSERGROUP)) {
 843                         *has_objectclass |= HAS_IPAUSERGROUP;
 844                 } else if (strequal(objectclasses[c], LDAP_OBJ_POSIXGROUP)) {
 845                         *has_objectclass |= HAS_POSIXGROUP;
 846                 }
 847         }
 848         ldap_value_free(objectclasses);
 849
 850         return NT_STATUS_OK;
 851 }
 852
 853 enum obj_type {
 854         IPA_NO_OBJ = 0,
 855         IPA_USER_OBJ,
 856         IPA_GROUP_OBJ
 857 };
 858
 859 static NTSTATUS find_obj(struct ldapsam_privates *ldap_state, const char *name,
 860                          enum obj_type type, char **_dn,
 861                          uint32_t *_has_objectclass)
 862 {
 863         int ret;
 864         char *username;
 865         char *filter;
 866         LDAPMessage *result = NULL;
 867         LDAPMessage *entry = NULL;
 868         int num_result;
 869         char *dn;
 870         uint32_t has_objectclass;
 871         NTSTATUS status;
 872         const char *obj_class = NULL;
 873
 874         switch (type) {
 875                 case IPA_USER_OBJ:
 876                         obj_class = LDAP_OBJ_POSIXACCOUNT;
 877                         break;
 878                 case IPA_GROUP_OBJ:
 879                         obj_class = LDAP_OBJ_POSIXGROUP;
 880                         break;
 881                 default:
 882                         DEBUG(0, ("Unsupported IPA object.\n"));
 883                         return NT_STATUS_INVALID_PARAMETER;
 884         }
 885
 886         username = escape_ldap_string(talloc_tos(), name);
 887         if (username == NULL) {
 888                 return NT_STATUS_NO_MEMORY;
 889         }
 890         filter = talloc_asprintf(talloc_tos(), "(&(uid=%s)(objectClass=%s))",
 891                                  username, obj_class);
 892         if (filter == NULL) {
 893                 return NT_STATUS_NO_MEMORY;
 894         }
 895         TALLOC_FREE(username);
 896
 897         ret = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL,
 898                                     &result);
 899         if (ret != LDAP_SUCCESS) {
 900                 DEBUG(0, ("smbldap_search_suffix failed.\n"));
 901                 return NT_STATUS_ACCESS_DENIED;
 902         }
 903
 904         num_result = ldap_count_entries(priv2ld(ldap_state), result);
 905
 906         if (num_result != 1) {
 907                 if (num_result == 0) {
 908                         switch (type) {
 909                                 case IPA_USER_OBJ:
 910                                         status = NT_STATUS_NO_SUCH_USER;
 911                                         break;
 912                                 case IPA_GROUP_OBJ:
 913                                         status = NT_STATUS_NO_SUCH_GROUP;
 914                                         break;
 915                                 default:
 916                                         status = NT_STATUS_INVALID_PARAMETER;
 917                         }
 918                 } else {
 919                         DEBUG (0, ("find_user: More than one object with name [%s] ?!\n",
 920                                    name));
 921                         status = NT_STATUS_INTERNAL_DB_CORRUPTION;
 922                 }
 923                 goto done;
 924         }
 925
 926         entry = ldap_first_entry(priv2ld(ldap_state), result);
 927         if (!entry) {
 928                 DEBUG(0,("find_user: Out of memory!\n"));
 929                 status = NT_STATUS_UNSUCCESSFUL;
 930                 goto done;
 931         }
 932
 933         dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state), entry);
 934         if (!dn) {
 935                 DEBUG(0,("find_user: Out of memory!\n"));
 936                 status = NT_STATUS_NO_MEMORY;
 937                 goto done;
 938         }
 939
 940         status = ipasam_get_objectclasses(ldap_state, dn, entry, &has_objectclass);
 941         if (!NT_STATUS_IS_OK(status)) {
 942                 goto done;
 943         }
 944
 945         *_dn = dn;
 946         *_has_objectclass = has_objectclass;
 947
 948         status = NT_STATUS_OK;
 949
 950 done:
 951         ldap_msgfree(result);
 952
 953         return status;
 954 }
 955
 956 static NTSTATUS find_user(struct ldapsam_privates *ldap_state, const char *name,
 957                           char **_dn, uint32_t *_has_objectclass)
 958 {
 959         return find_obj(ldap_state, name, IPA_USER_OBJ, _dn, _has_objectclass);
 960 }
 961
 962 static NTSTATUS find_group(struct ldapsam_privates *ldap_state, const char *name,
 963                            char **_dn, uint32_t *_has_objectclass)
 964 {
 965         return find_obj(ldap_state, name, IPA_GROUP_OBJ, _dn, _has_objectclass);
 966 }
 967
 968 static NTSTATUS ipasam_add_posix_account_objectclass(struct ldapsam_privates *ldap_state,
 969                                                      int ldap_op,
 970                                                      const char *dn,
 971                                                      const char *username)
 972 {
 973         int ret;
 974         LDAPMod **mods = NULL;
 975         NTSTATUS status;
 976
 977         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 978                         "objectclass", "posixAccount");
 979         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 980                         "cn", username);
 981         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 982                         "uidNumber", IPA_MAGIC_ID_STR);
 983         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 984                         "gidNumber", "12345");
 985         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 986                         "homeDirectory", "/dev/null");
 987
 988         if (ldap_op == LDAP_MOD_ADD) {
 989             ret = smbldap_add(ldap_state->smbldap_state, dn, mods);
 990         } else {
 991             ret = smbldap_modify(ldap_state->smbldap_state, dn, mods);
 992         }
 993         ldap_mods_free(mods, 1);
 994         if (ret != LDAP_SUCCESS) {
 995                 DEBUG(1, ("failed to modify/add user with uid = %s (dn = %s)\n",
 996                           username, dn));
 997                 return status;
 998         }
 999
1000         return NT_STATUS_OK;
1001 }
1002
1003 static NTSTATUS ipasam_add_ipa_group_objectclasses(struct ldapsam_privates *ldap_state,
1004                                                    const char *dn,
1005                                                    const char *name,
1006                                                    uint32_t has_objectclass)
1007 {
1008         LDAPMod **mods = NULL;
1009         NTSTATUS status;
1010         int ret;
1011
1012         if (!(has_objectclass & HAS_GROUPOFNAMES)) {
1013                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1014                                 LDAP_ATTRIBUTE_OBJECTCLASS,
1015                                 LDAP_OBJ_GROUPOFNAMES);
1016         }
1017
1018         if (!(has_objectclass & HAS_NESTEDGROUP)) {
1019                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1020                                 LDAP_ATTRIBUTE_OBJECTCLASS,
1021                                 LDAP_OBJ_NESTEDGROUP);
1022         }
1023
1024         if (!(has_objectclass & HAS_IPAUSERGROUP)) {
1025                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1026                                 LDAP_ATTRIBUTE_OBJECTCLASS,
1027                                 LDAP_OBJ_IPAUSERGROUP);
1028         }
1029
1030         if (!(has_objectclass & HAS_IPAOBJECT)) {
1031                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1032                                 LDAP_ATTRIBUTE_OBJECTCLASS,
1033                                 LDAP_OBJ_IPAOBJECT);
1034         }
1035
1036         if (!(has_objectclass & HAS_POSIXGROUP)) {
1037                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1038                                 LDAP_ATTRIBUTE_OBJECTCLASS,
1039                                 LDAP_OBJ_POSIXGROUP);
1040                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1041                                 LDAP_ATTRIBUTE_CN,
1042                                 name);
1043                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1044                                 LDAP_ATTRIBUTE_GIDNUMBER,
1045                                 IPA_MAGIC_ID_STR);
1046         }
1047
1048         ret = smbldap_modify(ldap_state->smbldap_state, dn, mods);
1049         ldap_mods_free(mods, 1);
1050         if (ret != LDAP_SUCCESS) {
1051                 DEBUG(1, ("failed to modify/add group %s (dn = %s)\n",
1052                           name, dn));
1053                 return status;
1054         }
1055
1056         return NT_STATUS_OK;
1057 }
1058
1059 static NTSTATUS ipasam_add_ipa_objectclasses(struct ldapsam_privates *ldap_state,
1060                                              const char *dn, const char *name,
1061                                              const char *domain,
1062                                              uint32_t acct_flags,
1063                                              uint32_t has_objectclass)
1064 {
1065         LDAPMod **mods = NULL;
1066         NTSTATUS status;
1067         int ret;
1068         char *princ;
1069
1070         if (!(has_objectclass & HAS_KRB_PRINCIPAL)) {
1071                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1072                                 LDAP_ATTRIBUTE_OBJECTCLASS,
1073                                 LDAP_OBJ_KRB_PRINCIPAL);
1074
1075                 princ = talloc_asprintf(talloc_tos(), "%s@%s", name, lp_realm());
1076                 if (princ == NULL) {
1077                         return NT_STATUS_NO_MEMORY;
1078                 }
1079
1080                 smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_KRB_PRINCIPAL, princ);
1081         }
1082
1083         if (!(has_objectclass & HAS_KRB_PRINCIPAL_AUX)); {
1084                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1085                                 LDAP_ATTRIBUTE_OBJECTCLASS,
1086                                 LDAP_OBJ_KRB_PRINCIPAL_AUX);
1087         }
1088
1089         if (!(has_objectclass & HAS_IPAOBJECT)) {
1090                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1091                                 LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_IPAOBJECT);
1092         }
1093
1094         if ((acct_flags != 0) &&
1095             (((acct_flags & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
1096             ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))) {
1097
1098                 if (!(has_objectclass & HAS_IPAHOST)) {
1099                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1100                                         LDAP_ATTRIBUTE_OBJECTCLASS,
1101                                         LDAP_OBJ_IPAHOST);
1102
1103                         if (domain == NULL) {
1104                                 return NT_STATUS_INVALID_PARAMETER;
1105                         }
1106
1107                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1108                                         "fqdn", domain);
1109                 }
1110         }
1111
1112         if (!(has_objectclass & HAS_POSIXACCOUNT)) {
1113                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1114                                 "objectclass", "posixAccount");
1115                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
1116                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1117                                 "uidNumber", IPA_MAGIC_ID_STR);
1118                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1119                                 "gidNumber", "12345");
1120                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1121                                 "homeDirectory", "/dev/null");
1122         }
1123
1124         if (mods != NULL) {
1125                 ret = smbldap_modify(ldap_state->smbldap_state, dn, mods);
1126                 ldap_mods_free(mods, 1);
1127                 if (ret != LDAP_SUCCESS) {
1128                         DEBUG(1, ("failed to modify/add user with uid = %s (dn = %s)\n",
1129                                   name, dn));
1130                         return status;
1131                 }
1132         }
1133
1134         return NT_STATUS_OK;
1135 }
1136
1137 static NTSTATUS pdb_ipasam_add_sam_account(struct pdb_methods *pdb_methods,
1138                                            struct samu *sampass)
1139 {
1140         NTSTATUS status;
1141         struct ldapsam_privates *ldap_state;
1142         const char *name;
1143         char *dn;
1144         uint32_t has_objectclass;
1145         uint32_t rid;
1146         struct dom_sid user_sid;
1147
1148         ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data);
1149
1150         if (IS_SAM_SET(sampass, PDB_USERSID) ||
1151             IS_SAM_CHANGED(sampass, PDB_USERSID)) {
1152                 if (!pdb_new_rid(&rid)) {
1153                         return NT_STATUS_DS_NO_MORE_RIDS;
1154                 }
1155                 sid_compose(&user_sid, get_global_sam_sid(), rid);
1156                 if (!pdb_set_user_sid(sampass, &user_sid, PDB_SET)) {
1157                         return NT_STATUS_UNSUCCESSFUL;
1158                 }
1159         }
1160
1161         status = ldap_state->ipasam_privates->ldapsam_add_sam_account(pdb_methods,
1162                                                                       sampass);
1163         if (!NT_STATUS_IS_OK(status)) {
1164                 return status;
1165         }
1166
1167         if (ldap_state->ipasam_privates->server_is_ipa) {
1168                 name = pdb_get_username(sampass);
1169                 if (name == NULL || *name == '\0') {
1170                         return NT_STATUS_INVALID_PARAMETER;
1171                 }
1172
1173                 status = find_user(ldap_state, name, &dn, &has_objectclass);
1174                 if (!NT_STATUS_IS_OK(status)) {
1175                         return status;
1176                 }
1177
1178                 status = ipasam_add_ipa_objectclasses(ldap_state, dn, name,
1179                                                       pdb_get_domain(sampass),
1180                                                       pdb_get_acct_ctrl(sampass),
1181                                                       has_objectclass);
1182                 if (!NT_STATUS_IS_OK(status)) {
1183                         return status;
1184                 }
1185
1186                 if (!(has_objectclass & HAS_POSIXACCOUNT)) {
1187                         status = ipasam_add_posix_account_objectclass(ldap_state,
1188                                                                       LDAP_MOD_REPLACE,
1189                                                                       dn, name);
1190                         if (!NT_STATUS_IS_OK(status)) {
1191                                 return status;
1192                         }
1193                 }
1194
1195                 if (pdb_get_init_flags(sampass, PDB_PLAINTEXT_PW) == PDB_CHANGED) {
1196                         status = modify_ipa_password_exop(ldap_state, sampass);
1197                         if (!NT_STATUS_IS_OK(status)) {
1198                                 return status;
1199                         }
1200                 }
1201         }
1202
1203         return NT_STATUS_OK;
1204 }
1205
1206 static NTSTATUS pdb_ipasam_update_sam_account(struct pdb_methods *pdb_methods,
1207                                               struct samu *sampass)
1208 {
1209         NTSTATUS status;
1210         struct ldapsam_privates *ldap_state;
1211         ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data);
1212
1213         status = ldap_state->ipasam_privates->ldapsam_update_sam_account(pdb_methods,
1214                                                                          sampass);
1215         if (!NT_STATUS_IS_OK(status)) {
1216                 return status;
1217         }
1218
1219         if (ldap_state->ipasam_privates->server_is_ipa) {
1220                 if (pdb_get_init_flags(sampass, PDB_PLAINTEXT_PW) == PDB_CHANGED) {
1221                         status = modify_ipa_password_exop(ldap_state, sampass);
1222                         if (!NT_STATUS_IS_OK(status)) {
1223                                 return status;
1224                         }
1225                 }
1226         }
1227
1228         return NT_STATUS_OK;
1229 }
1230
1231 static NTSTATUS ipasam_create_dom_group(struct pdb_methods *pdb_methods,
1232                                         TALLOC_CTX *tmp_ctx, const char *name,
1233                                         uint32_t *rid)
1234 {
1235         NTSTATUS status;
1236         struct ldapsam_privates *ldap_state;
1237         int ldap_op = LDAP_MOD_REPLACE;
1238         char *dn;
1239         uint32_t has_objectclass = 0;
1240
1241         ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data);
1242
1243         if (name == NULL || *name == '\0') {
1244                 return NT_STATUS_INVALID_PARAMETER;
1245         }
1246
1247         status = find_group(ldap_state, name, &dn, &has_objectclass);
1248         if (NT_STATUS_IS_OK(status)) {
1249                 ldap_op = LDAP_MOD_REPLACE;
1250         } else if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1251                 ldap_op = LDAP_MOD_ADD;
1252         } else {
1253                 return status;
1254         }
1255
1256         if (!(has_objectclass & HAS_POSIXGROUP)) {
1257                 status = ipasam_add_ipa_group_objectclasses(ldap_state, dn,
1258                                                             name,
1259                                                             has_objectclass);
1260                 if (!NT_STATUS_IS_OK(status)) {
1261                         return status;
1262                 }
1263         }
1264
1265         status = ldap_state->ipasam_privates->ldapsam_create_dom_group(pdb_methods,
1266                                                                        tmp_ctx,
1267                                                                        name,
1268                                                                        rid);
1269         if (!NT_STATUS_IS_OK(status)) {
1270                 return status;
1271         }
1272
1273         return NT_STATUS_OK;
1274 }
1275 static NTSTATUS ipasam_create_user(struct pdb_methods *pdb_methods,
1276                                    TALLOC_CTX *tmp_ctx, const char *name,
1277                                    uint32_t acb_info, uint32_t *rid)
1278 {
1279         NTSTATUS status;
1280         struct ldapsam_privates *ldap_state;
1281         int ldap_op = LDAP_MOD_REPLACE;
1282         char *dn;
1283         uint32_t has_objectclass = 0;
1284
1285         ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data);
1286
1287         if (name == NULL || *name == '\0') {
1288                 return NT_STATUS_INVALID_PARAMETER;
1289         }
1290
1291         status = find_user(ldap_state, name, &dn, &has_objectclass);
1292         if (NT_STATUS_IS_OK(status)) {
1293                 ldap_op = LDAP_MOD_REPLACE;
1294         } else if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1295                 char *escape_username;
1296                 ldap_op = LDAP_MOD_ADD;
1297                 escape_username = escape_rdn_val_string_alloc(name);
1298                 if (!escape_username) {
1299                         return NT_STATUS_NO_MEMORY;
1300                 }
1301                 if (name[strlen(name)-1] == '$') {
1302                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s",
1303                                              escape_username,
1304                                              lp_ldap_machine_suffix());
1305                 } else {
1306                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s",
1307                                              escape_username,
1308                                              lp_ldap_user_suffix());
1309                 }
1310                 SAFE_FREE(escape_username);
1311                 if (!dn) {
1312                         return NT_STATUS_NO_MEMORY;
1313                 }
1314         } else {
1315                 return status;
1316         }
1317
1318         if (!(has_objectclass & HAS_POSIXACCOUNT)) {
1319                 status = ipasam_add_posix_account_objectclass(ldap_state, ldap_op,
1320                                                               dn, name);
1321                 if (!NT_STATUS_IS_OK(status)) {
1322                         return status;
1323                 }
1324                 has_objectclass |= HAS_POSIXACCOUNT;
1325         }
1326
1327         status = ldap_state->ipasam_privates->ldapsam_create_user(pdb_methods,
1328                                                                   tmp_ctx, name,
1329                                                                   acb_info, rid);
1330         if (!NT_STATUS_IS_OK(status)) {
1331                 return status;
1332         }
1333
1334         status = ipasam_add_ipa_objectclasses(ldap_state, dn, name, lp_realm(),
1335                                               acb_info, has_objectclass);
1336         if (!NT_STATUS_IS_OK(status)) {
1337                 return status;
1338         }
1339
1340         return NT_STATUS_OK;
1341 }
1342
1343 static NTSTATUS pdb_init_IPA_ldapsam(struct pdb_methods **pdb_method, const char *location)
1344 {
1345         struct ldapsam_privates *ldap_state;
1346         NTSTATUS status;
1347
1348         status = pdb_init_ldapsam(pdb_method, location);
1349         if (!NT_STATUS_IS_OK(status)) {
1350                 return status;
1351         }
1352
1353         (*pdb_method)->name = "IPA_ldapsam";
1354
1355         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
1356         ldap_state->ipasam_privates = talloc_zero(ldap_state,
1357                                                   struct ipasam_privates);
1358         if (ldap_state->ipasam_privates == NULL) {
1359                 return NT_STATUS_NO_MEMORY;
1360         }
1361         ldap_state->is_ipa_ldap = True;
1362
1363         ldap_state->ipasam_privates->server_is_ipa = smbldap_has_extension(
1364                                         priv2ld(ldap_state), IPA_KEYTAB_SET_OID);
1365         ldap_state->ipasam_privates->ldapsam_add_sam_account = (*pdb_method)->add_sam_account;
1366         ldap_state->ipasam_privates->ldapsam_update_sam_account = (*pdb_method)->update_sam_account;
1367         ldap_state->ipasam_privates->ldapsam_create_user = (*pdb_method)->create_user;
1368         ldap_state->ipasam_privates->ldapsam_create_dom_group = (*pdb_method)->create_dom_group;
1369
1370         (*pdb_method)->add_sam_account = pdb_ipasam_add_sam_account;
1371         (*pdb_method)->update_sam_account = pdb_ipasam_update_sam_account;
1372
1373         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1374                 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
1375                         (*pdb_method)->create_user = ipasam_create_user;
1376                         (*pdb_method)->create_dom_group = ipasam_create_dom_group;
1377                 }
1378         }
1379
1380         (*pdb_method)->capabilities = pdb_ipasam_capabilities;
1381         (*pdb_method)->get_domain_info = pdb_ipasam_get_domain_info;
1382
1383         (*pdb_method)->get_trusteddom_pw = ipasam_get_trusteddom_pw;
1384         (*pdb_method)->set_trusteddom_pw = ipasam_set_trusteddom_pw;
1385         (*pdb_method)->del_trusteddom_pw = ipasam_del_trusteddom_pw;
1386         (*pdb_method)->enum_trusteddoms = ipasam_enum_trusteddoms;
1387
1388         (*pdb_method)->get_trusted_domain = ipasam_get_trusted_domain;
1389         (*pdb_method)->get_trusted_domain_by_sid = ipasam_get_trusted_domain_by_sid;
1390         (*pdb_method)->set_trusted_domain = ipasam_set_trusted_domain;
1391         (*pdb_method)->del_trusted_domain = ipasam_del_trusted_domain;
1392         (*pdb_method)->enum_trusted_domains = ipasam_enum_trusted_domains;
1393
1394         return NT_STATUS_OK;
1395 }
1396
1397 NTSTATUS pdb_ipa_init(void)
1398 {
1399         NTSTATUS nt_status;
1400
1401         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "IPA_ldapsam", pdb_init_IPA_ldapsam)))
1402                 return nt_status;
1403
1404         return NT_STATUS_OK;
1405 }