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
  26 #include "smbldap.h"
  27
  28 #define LDAP_TRUST_CONTAINER "ou=system"
  29 #define LDAP_ATTRIBUTE_CN "cn"
  30 #define LDAP_ATTRIBUTE_TRUST_TYPE "sambaTrustType"
  31 #define LDAP_ATTRIBUTE_TRUST_ATTRIBUTES "sambaTrustAttributes"
  32 #define LDAP_ATTRIBUTE_TRUST_DIRECTION "sambaTrustDirection"
  33 #define LDAP_ATTRIBUTE_TRUST_PARTNER "sambaTrustPartner"
  34 #define LDAP_ATTRIBUTE_FLAT_NAME "sambaFlatName"
  35 #define LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING "sambaTrustAuthOutgoing"
  36 #define LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING "sambaTrustAuthIncoming"
  37 #define LDAP_ATTRIBUTE_SECURITY_IDENTIFIER "sambaSecurityIdentifier"
  38 #define LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO "sambaTrustForestTrustInfo"
  39
  40 #define LDAP_OBJ_KRB_PRINCIPAL "krbPrincipal"
  41 #define LDAP_OBJ_KRB_PRINCIPAL_AUX "krbPrincipalAux"
  42 #define LDAP_ATTRIBUTE_KRB_PRINCIPAL "krbPrincipalName"
  43
  44 struct ipasam_privates {
  45         NTSTATUS (*ldapsam_add_sam_account)(struct pdb_methods *,
  46                                             struct samu *sampass);
  47         NTSTATUS (*ldapsam_update_sam_account)(struct pdb_methods *,
  48                                                struct samu *sampass);
  49 };
  50
  51 static bool ipasam_get_trusteddom_pw(struct pdb_methods *methods,
  52                                       const char *domain,
  53                                       char** pwd,
  54                                       struct dom_sid *sid,
  55                                       time_t *pass_last_set_time)
  56 {
  57         return false;
  58 }
  59
  60 static bool ipasam_set_trusteddom_pw(struct pdb_methods *methods,
  61                                       const char* domain,
  62                                       const char* pwd,
  63                                       const struct dom_sid *sid)
  64 {
  65         return false;
  66 }
  67
  68 static bool ipasam_del_trusteddom_pw(struct pdb_methods *methods,
  69                                       const char *domain)
  70 {
  71         return false;
  72 }
  73
  74 static char *get_account_dn(const char *name)
  75 {
  76         char *escape_name;
  77         char *dn;
  78
  79         escape_name = escape_rdn_val_string_alloc(name);
  80         if (!escape_name) {
  81                 return NULL;
  82         }
  83
  84         if (name[strlen(name)-1] == '$') {
  85                 dn = talloc_asprintf(talloc_tos(), "uid=%s,%s", escape_name,
  86                                      lp_ldap_machine_suffix());
  87         } else {
  88                 dn = talloc_asprintf(talloc_tos(), "uid=%s,%s", escape_name,
  89                                      lp_ldap_user_suffix());
  90         }
  91
  92         SAFE_FREE(escape_name);
  93
  94         return dn;
  95 }
  96
  97 static char *trusted_domain_dn(struct ldapsam_privates *ldap_state,
  98                                const char *domain)
  99 {
 100         return talloc_asprintf(talloc_tos(), "%s=%s,%s,%s",
 101                                LDAP_ATTRIBUTE_CN, domain,
 102                                LDAP_TRUST_CONTAINER, ldap_state->domain_dn);
 103 }
 104
 105 static char *trusted_domain_base_dn(struct ldapsam_privates *ldap_state)
 106 {
 107         return talloc_asprintf(talloc_tos(), "%s,%s",
 108                                LDAP_TRUST_CONTAINER, ldap_state->domain_dn);
 109 }
 110
 111 static bool get_trusted_domain_int(struct ldapsam_privates *ldap_state,
 112                                    TALLOC_CTX *mem_ctx,
 113                                    const char *filter, LDAPMessage **entry)
 114 {
 115         int rc;
 116         char *base_dn = NULL;
 117         LDAPMessage *result = NULL;
 118         uint32_t num_result;
 119
 120         base_dn = trusted_domain_base_dn(ldap_state);
 121         if (base_dn == NULL) {
 122                 return false;
 123         }
 124
 125         rc = smbldap_search(ldap_state->smbldap_state, base_dn,
 126                             LDAP_SCOPE_SUBTREE, filter, NULL, 0, &result);
 127         TALLOC_FREE(base_dn);
 128
 129         if (result != NULL) {
 130                 talloc_autofree_ldapmsg(mem_ctx, result);
 131         }
 132
 133         if (rc == LDAP_NO_SUCH_OBJECT) {
 134                 *entry = NULL;
 135                 return true;
 136         }
 137
 138         if (rc != LDAP_SUCCESS) {
 139                 return false;
 140         }
 141
 142         num_result = ldap_count_entries(priv2ld(ldap_state), result);
 143
 144         if (num_result > 1) {
 145                 DEBUG(1, ("get_trusted_domain_int: more than one "
 146                           "%s object with filter '%s'?!\n",
 147                           LDAP_OBJ_TRUSTED_DOMAIN, filter));
 148                 return false;
 149         }
 150
 151         if (num_result == 0) {
 152                 DEBUG(1, ("get_trusted_domain_int: no "
 153                           "%s object with filter '%s'.\n",
 154                           LDAP_OBJ_TRUSTED_DOMAIN, filter));
 155                 *entry = NULL;
 156         } else {
 157                 *entry = ldap_first_entry(priv2ld(ldap_state), result);
 158         }
 159
 160         return true;
 161 }
 162
 163 static bool get_trusted_domain_by_name_int(struct ldapsam_privates *ldap_state,
 164                                           TALLOC_CTX *mem_ctx,
 165                                           const char *domain,
 166                                           LDAPMessage **entry)
 167 {
 168         char *filter = NULL;
 169
 170         filter = talloc_asprintf(talloc_tos(),
 171                                  "(&(objectClass=%s)(|(%s=%s)(%s=%s)(cn=%s)))",
 172                                  LDAP_OBJ_TRUSTED_DOMAIN,
 173                                  LDAP_ATTRIBUTE_FLAT_NAME, domain,
 174                                  LDAP_ATTRIBUTE_TRUST_PARTNER, domain, domain);
 175         if (filter == NULL) {
 176                 return false;
 177         }
 178
 179         return get_trusted_domain_int(ldap_state, mem_ctx, filter, entry);
 180 }
 181
 182 static bool get_trusted_domain_by_sid_int(struct ldapsam_privates *ldap_state,
 183                                            TALLOC_CTX *mem_ctx,
 184                                            const char *sid, LDAPMessage **entry)
 185 {
 186         char *filter = NULL;
 187
 188         filter = talloc_asprintf(talloc_tos(), "(&(objectClass=%s)(%s=%s))",
 189                                  LDAP_OBJ_TRUSTED_DOMAIN,
 190                                  LDAP_ATTRIBUTE_SECURITY_IDENTIFIER, sid);
 191         if (filter == NULL) {
 192                 return false;
 193         }
 194
 195         return get_trusted_domain_int(ldap_state, mem_ctx, filter, entry);
 196 }
 197
 198 static bool get_uint32_t_from_ldap_msg(struct ldapsam_privates *ldap_state,
 199                                        LDAPMessage *entry,
 200                                        const char *attr,
 201                                        uint32_t *val)
 202 {
 203         char *dummy;
 204         long int l;
 205         char *endptr;
 206
 207         dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry,
 208                                                 attr, talloc_tos());
 209         if (dummy == NULL) {
 210                 DEBUG(9, ("Attribute %s not present.\n", attr));
 211                 *val = 0;
 212                 return true;
 213         }
 214
 215         l = strtoul(dummy, &endptr, 10);
 216         TALLOC_FREE(dummy);
 217
 218         if (l < 0 || l > UINT32_MAX || *endptr != '\0') {
 219                 return false;
 220         }
 221
 222         *val = l;
 223
 224         return true;
 225 }
 226
 227 static void get_data_blob_from_ldap_msg(TALLOC_CTX *mem_ctx,
 228                                         struct ldapsam_privates *ldap_state,
 229                                         LDAPMessage *entry, const char *attr,
 230                                         DATA_BLOB *_blob)
 231 {
 232         char *dummy;
 233         DATA_BLOB blob;
 234
 235         dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, attr,
 236                                                 talloc_tos());
 237         if (dummy == NULL) {
 238                 DEBUG(9, ("Attribute %s not present.\n", attr));
 239                 ZERO_STRUCTP(_blob);
 240         } else {
 241                 blob = base64_decode_data_blob(dummy);
 242                 if (blob.length == 0) {
 243                         ZERO_STRUCTP(_blob);
 244                 } else {
 245                         _blob->length = blob.length;
 246                         _blob->data = talloc_steal(mem_ctx, blob.data);
 247                 }
 248         }
 249         TALLOC_FREE(dummy);
 250 }
 251
 252 static bool fill_pdb_trusted_domain(TALLOC_CTX *mem_ctx,
 253                                     struct ldapsam_privates *ldap_state,
 254                                     LDAPMessage *entry,
 255                                     struct pdb_trusted_domain **_td)
 256 {
 257         char *dummy;
 258         bool res;
 259         struct pdb_trusted_domain *td;
 260
 261         if (entry == NULL) {
 262                 return false;
 263         }
 264
 265         td = talloc_zero(mem_ctx, struct pdb_trusted_domain);
 266         if (td == NULL) {
 267                 return false;
 268         }
 269
 270         /* All attributes are MAY */
 271
 272         dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry,
 273                                                 LDAP_ATTRIBUTE_SECURITY_IDENTIFIER,
 274                                                 talloc_tos());
 275         if (dummy == NULL) {
 276                 DEBUG(9, ("Attribute %s not present.\n",
 277                           LDAP_ATTRIBUTE_SECURITY_IDENTIFIER));
 278                 ZERO_STRUCT(td->security_identifier);
 279         } else {
 280                 res = string_to_sid(&td->security_identifier, dummy);
 281                 TALLOC_FREE(dummy);
 282                 if (!res) {
 283                         return false;
 284                 }
 285         }
 286
 287         get_data_blob_from_ldap_msg(td, ldap_state, entry,
 288                                     LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING,
 289                                     &td->trust_auth_incoming);
 290
 291         get_data_blob_from_ldap_msg(td, ldap_state, entry,
 292                                     LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING,
 293                                     &td->trust_auth_outgoing);
 294
 295         td->netbios_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
 296                                                            entry,
 297                                                            LDAP_ATTRIBUTE_FLAT_NAME,
 298                                                            td);
 299         if (td->netbios_name == NULL) {
 300                 DEBUG(9, ("Attribute %s not present.\n",
 301                           LDAP_ATTRIBUTE_FLAT_NAME));
 302         }
 303
 304         td->domain_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
 305                                                           entry,
 306                                                           LDAP_ATTRIBUTE_TRUST_PARTNER,
 307                                                           td);
 308         if (td->domain_name == NULL) {
 309                 DEBUG(9, ("Attribute %s not present.\n",
 310                           LDAP_ATTRIBUTE_TRUST_PARTNER));
 311         }
 312
 313         res = get_uint32_t_from_ldap_msg(ldap_state, entry,
 314                                          LDAP_ATTRIBUTE_TRUST_DIRECTION,
 315                                          &td->trust_direction);
 316         if (!res) {
 317                 return false;
 318         }
 319
 320         res = get_uint32_t_from_ldap_msg(ldap_state, entry,
 321                                          LDAP_ATTRIBUTE_TRUST_ATTRIBUTES,
 322                                          &td->trust_attributes);
 323         if (!res) {
 324                 return false;
 325         }
 326
 327         res = get_uint32_t_from_ldap_msg(ldap_state, entry,
 328                                          LDAP_ATTRIBUTE_TRUST_TYPE,
 329                                          &td->trust_type);
 330         if (!res) {
 331                 return false;
 332         }
 333
 334         get_data_blob_from_ldap_msg(td, ldap_state, entry,
 335                                     LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO,
 336                                     &td->trust_forest_trust_info);
 337
 338         *_td = td;
 339
 340         return true;
 341 }
 342
 343 static NTSTATUS ipasam_get_trusted_domain(struct pdb_methods *methods,
 344                                           TALLOC_CTX *mem_ctx,
 345                                           const char *domain,
 346                                           struct pdb_trusted_domain **td)
 347 {
 348         struct ldapsam_privates *ldap_state =
 349                 (struct ldapsam_privates *)methods->private_data;
 350         LDAPMessage *entry = NULL;
 351
 352         DEBUG(10, ("ipasam_get_trusted_domain called for domain %s\n", domain));
 353
 354         if (!get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain,
 355                                             &entry)) {
 356                 return NT_STATUS_UNSUCCESSFUL;
 357         }
 358         if (entry == NULL) {
 359                 DEBUG(5, ("ipasam_get_trusted_domain: no such trusted domain: "
 360                           "%s\n", domain));
 361                 return NT_STATUS_NO_SUCH_DOMAIN;
 362         }
 363
 364         if (!fill_pdb_trusted_domain(mem_ctx, ldap_state, entry, td)) {
 365                 return NT_STATUS_UNSUCCESSFUL;
 366         }
 367
 368         return NT_STATUS_OK;
 369 }
 370
 371 static NTSTATUS ipasam_get_trusted_domain_by_sid(struct pdb_methods *methods,
 372                                                  TALLOC_CTX *mem_ctx,
 373                                                  struct dom_sid *sid,
 374                                                  struct pdb_trusted_domain **td)
 375 {
 376         struct ldapsam_privates *ldap_state =
 377                 (struct ldapsam_privates *)methods->private_data;
 378         LDAPMessage *entry = NULL;
 379         char *sid_str;
 380
 381         sid_str = sid_string_tos(sid);
 382
 383         DEBUG(10, ("ipasam_get_trusted_domain_by_sid called for sid %s\n",
 384                    sid_str));
 385
 386         if (!get_trusted_domain_by_sid_int(ldap_state, talloc_tos(), sid_str,
 387                                            &entry)) {
 388                 return NT_STATUS_UNSUCCESSFUL;
 389         }
 390         if (entry == NULL) {
 391                 DEBUG(5, ("ipasam_get_trusted_domain_by_sid: no trusted domain "
 392                           "with sid: %s\n", sid_str));
 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 bool smbldap_make_mod_uint32_t(LDAP *ldap_struct, LDAPMessage *entry,
 404                                       LDAPMod ***mods, const char *attribute,
 405                                       const uint32_t val)
 406 {
 407         char *dummy;
 408
 409         dummy = talloc_asprintf(talloc_tos(), "%lu", (unsigned long) val);
 410         if (dummy == NULL) {
 411                 return false;
 412         }
 413         smbldap_make_mod(ldap_struct, entry, mods, attribute, dummy);
 414         TALLOC_FREE(dummy);
 415
 416         return true;
 417 }
 418
 419 static bool _smbldap_make_mod_blob(LDAP *ldap_struct, LDAPMessage *entry,
 420                                   LDAPMod ***mods, const char *attribute,
 421                                   DATA_BLOB blob)
 422 {
 423         char *dummy;
 424
 425         dummy = base64_encode_data_blob(talloc_tos(), blob);
 426         if (dummy == NULL) {
 427                 return false;
 428         }
 429
 430         smbldap_make_mod(ldap_struct, entry, mods, attribute, dummy);
 431         TALLOC_FREE(dummy);
 432
 433         return true;
 434 }
 435
 436 static NTSTATUS ipasam_set_trusted_domain(struct pdb_methods *methods,
 437                                           const char* domain,
 438                                           const struct pdb_trusted_domain *td)
 439 {
 440         struct ldapsam_privates *ldap_state =
 441                 (struct ldapsam_privates *)methods->private_data;
 442         LDAPMessage *entry = NULL;
 443         LDAPMod **mods;
 444         bool res;
 445         char *trusted_dn = NULL;
 446         int ret;
 447
 448         DEBUG(10, ("ipasam_set_trusted_domain called for domain %s\n", domain));
 449
 450         res = get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain,
 451                                              &entry);
 452         if (!res) {
 453                 return NT_STATUS_UNSUCCESSFUL;
 454         }
 455
 456         mods = NULL;
 457         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
 458                          LDAP_OBJ_TRUSTED_DOMAIN);
 459
 460         if (td->netbios_name != NULL) {
 461                 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
 462                                  LDAP_ATTRIBUTE_FLAT_NAME,
 463                                  td->netbios_name);
 464         }
 465
 466         if (td->domain_name != NULL) {
 467                 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
 468                                  LDAP_ATTRIBUTE_TRUST_PARTNER,
 469                                  td->domain_name);
 470         }
 471
 472         if (!is_null_sid(&td->security_identifier)) {
 473                 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
 474                                  LDAP_ATTRIBUTE_SECURITY_IDENTIFIER,
 475                                  sid_string_tos(&td->security_identifier));
 476         }
 477
 478         if (td->trust_type != 0) {
 479                 res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry,
 480                                                 &mods, LDAP_ATTRIBUTE_TRUST_TYPE,
 481                                                 td->trust_type);
 482                 if (!res) {
 483                         return NT_STATUS_UNSUCCESSFUL;
 484                 }
 485         }
 486
 487         if (td->trust_attributes != 0) {
 488                 res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry,
 489                                                 &mods,
 490                                                 LDAP_ATTRIBUTE_TRUST_ATTRIBUTES,
 491                                                 td->trust_attributes);
 492                 if (!res) {
 493                         return NT_STATUS_UNSUCCESSFUL;
 494                 }
 495         }
 496
 497         if (td->trust_direction != 0) {
 498                 res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry,
 499                                                 &mods,
 500                                                 LDAP_ATTRIBUTE_TRUST_DIRECTION,
 501                                                 td->trust_direction);
 502                 if (!res) {
 503                         return NT_STATUS_UNSUCCESSFUL;
 504                 }
 505         }
 506
 507         if (td->trust_auth_outgoing.data != NULL) {
 508                 res = _smbldap_make_mod_blob(priv2ld(ldap_state), entry,
 509                                             &mods,
 510                                             LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING,
 511                                             td->trust_auth_outgoing);
 512                 if (!res) {
 513                         return NT_STATUS_UNSUCCESSFUL;
 514                 }
 515         }
 516
 517         if (td->trust_auth_incoming.data != NULL) {
 518                 res = _smbldap_make_mod_blob(priv2ld(ldap_state), entry,
 519                                             &mods,
 520                                             LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING,
 521                                             td->trust_auth_incoming);
 522                 if (!res) {
 523                         return NT_STATUS_UNSUCCESSFUL;
 524                 }
 525         }
 526
 527         if (td->trust_forest_trust_info.data != NULL) {
 528                 res = _smbldap_make_mod_blob(priv2ld(ldap_state), entry,
 529                                             &mods,
 530                                             LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO,
 531                                             td->trust_forest_trust_info);
 532                 if (!res) {
 533                         return NT_STATUS_UNSUCCESSFUL;
 534                 }
 535         }
 536
 537         talloc_autofree_ldapmod(talloc_tos(), mods);
 538
 539         trusted_dn = trusted_domain_dn(ldap_state, domain);
 540         if (trusted_dn == NULL) {
 541                 return NT_STATUS_NO_MEMORY;
 542         }
 543         if (entry == NULL) {
 544                 ret = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
 545         } else {
 546                 ret = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
 547         }
 548
 549         if (ret != LDAP_SUCCESS) {
 550                 DEBUG(1, ("error writing trusted domain data!\n"));
 551                 return NT_STATUS_UNSUCCESSFUL;
 552         }
 553         return NT_STATUS_OK;
 554 }
 555
 556 static NTSTATUS ipasam_del_trusted_domain(struct pdb_methods *methods,
 557                                            const char *domain)
 558 {
 559         int ret;
 560         struct ldapsam_privates *ldap_state =
 561                 (struct ldapsam_privates *)methods->private_data;
 562         LDAPMessage *entry = NULL;
 563         const char *dn;
 564
 565         if (!get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain,
 566                                             &entry)) {
 567                 return NT_STATUS_UNSUCCESSFUL;
 568         }
 569
 570         if (entry == NULL) {
 571                 DEBUG(5, ("ipasam_del_trusted_domain: no such trusted domain: "
 572                           "%s\n", domain));
 573                 return NT_STATUS_NO_SUCH_DOMAIN;
 574         }
 575
 576         dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state), entry);
 577         if (dn == NULL) {
 578                 DEBUG(0,("ipasam_del_trusted_domain: Out of memory!\n"));
 579                 return NT_STATUS_NO_MEMORY;
 580         }
 581
 582         ret = smbldap_delete(ldap_state->smbldap_state, dn);
 583         if (ret != LDAP_SUCCESS) {
 584                 return NT_STATUS_UNSUCCESSFUL;
 585         }
 586
 587         return NT_STATUS_OK;
 588 }
 589
 590 static NTSTATUS ipasam_enum_trusted_domains(struct pdb_methods *methods,
 591                                             TALLOC_CTX *mem_ctx,
 592                                             uint32_t *num_domains,
 593                                             struct pdb_trusted_domain ***domains)
 594 {
 595         int rc;
 596         struct ldapsam_privates *ldap_state =
 597                 (struct ldapsam_privates *)methods->private_data;
 598         char *base_dn = NULL;
 599         char *filter = NULL;
 600         int scope = LDAP_SCOPE_SUBTREE;
 601         LDAPMessage *result = NULL;
 602         LDAPMessage *entry = NULL;
 603
 604         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
 605                                  LDAP_OBJ_TRUSTED_DOMAIN);
 606         if (filter == NULL) {
 607                 return NT_STATUS_NO_MEMORY;
 608         }
 609
 610         base_dn = trusted_domain_base_dn(ldap_state);
 611         if (base_dn == NULL) {
 612                 TALLOC_FREE(filter);
 613                 return NT_STATUS_NO_MEMORY;
 614         }
 615
 616         rc = smbldap_search(ldap_state->smbldap_state, base_dn, scope, filter,
 617                             NULL, 0, &result);
 618         TALLOC_FREE(filter);
 619         TALLOC_FREE(base_dn);
 620
 621         if (result != NULL) {
 622                 talloc_autofree_ldapmsg(mem_ctx, result);
 623         }
 624
 625         if (rc == LDAP_NO_SUCH_OBJECT) {
 626                 *num_domains = 0;
 627                 *domains = NULL;
 628                 return NT_STATUS_OK;
 629         }
 630
 631         if (rc != LDAP_SUCCESS) {
 632                 return NT_STATUS_UNSUCCESSFUL;
 633         }
 634
 635         *num_domains = 0;
 636         if (!(*domains = TALLOC_ARRAY(mem_ctx, struct pdb_trusted_domain *, 1))) {
 637                 DEBUG(1, ("talloc failed\n"));
 638                 return NT_STATUS_NO_MEMORY;
 639         }
 640
 641         for (entry = ldap_first_entry(priv2ld(ldap_state), result);
 642              entry != NULL;
 643              entry = ldap_next_entry(priv2ld(ldap_state), entry))
 644         {
 645                 struct pdb_trusted_domain *dom_info;
 646
 647                 if (!fill_pdb_trusted_domain(*domains, ldap_state, entry,
 648                                              &dom_info)) {
 649                         return NT_STATUS_UNSUCCESSFUL;
 650                 }
 651
 652                 ADD_TO_ARRAY(*domains, struct pdb_trusted_domain *, dom_info,
 653                              domains, num_domains);
 654
 655                 if (*domains == NULL) {
 656                         DEBUG(1, ("talloc failed\n"));
 657                         return NT_STATUS_NO_MEMORY;
 658                 }
 659         }
 660
 661         DEBUG(5, ("ipasam_enum_trusted_domains: got %d domains\n", *num_domains));
 662         return NT_STATUS_OK;
 663 }
 664
 665 static NTSTATUS ipasam_enum_trusteddoms(struct pdb_methods *methods,
 666                                          TALLOC_CTX *mem_ctx,
 667                                          uint32_t *num_domains,
 668                                          struct trustdom_info ***domains)
 669 {
 670         NTSTATUS status;
 671         struct pdb_trusted_domain **td;
 672         int i;
 673
 674         status = ipasam_enum_trusted_domains(methods, talloc_tos(),
 675                                              num_domains, &td);
 676         if (!NT_STATUS_IS_OK(status)) {
 677                 return status;
 678         }
 679
 680         if (*num_domains == 0) {
 681                 return NT_STATUS_OK;
 682         }
 683
 684         if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *,
 685                                       *num_domains))) {
 686                 DEBUG(1, ("talloc failed\n"));
 687                 return NT_STATUS_NO_MEMORY;
 688         }
 689
 690         for (i = 0; i < *num_domains; i++) {
 691                 struct trustdom_info *dom_info;
 692
 693                 dom_info = TALLOC_P(*domains, struct trustdom_info);
 694                 if (dom_info == NULL) {
 695                         DEBUG(1, ("talloc failed\n"));
 696                         return NT_STATUS_NO_MEMORY;
 697                 }
 698
 699                 dom_info->name = talloc_steal(mem_ctx, td[i]->netbios_name);
 700                 sid_copy(&dom_info->sid, &td[i]->security_identifier);
 701
 702                 (*domains)[i] = dom_info;
 703         }
 704
 705         return NT_STATUS_OK;
 706 }
 707
 708 static uint32_t pdb_ipasam_capabilities(struct pdb_methods *methods)
 709 {
 710         return PDB_CAP_STORE_RIDS | PDB_CAP_ADS | PDB_CAP_TRUSTED_DOMAINS_EX;
 711 }
 712
 713 static struct pdb_domain_info *pdb_ipasam_get_domain_info(struct pdb_methods *pdb_methods,
 714                                                           TALLOC_CTX *mem_ctx)
 715 {
 716         struct pdb_domain_info *info;
 717         NTSTATUS status;
 718         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)pdb_methods->private_data;
 719
 720         info = talloc(mem_ctx, struct pdb_domain_info);
 721         if (info == NULL) {
 722                 return NULL;
 723         }
 724
 725         info->name = talloc_strdup(info, ldap_state->domain_name);
 726         if (info->name == NULL) {
 727                 goto fail;
 728         }
 729
 730         /* TODO: read dns_domain, dns_forest and guid from LDAP */
 731         info->dns_domain = talloc_strdup(info, lp_realm());
 732         if (info->dns_domain == NULL) {
 733                 goto fail;
 734         }
 735         strlower_m(info->dns_domain);
 736         info->dns_forest = talloc_strdup(info, info->dns_domain);
 737         sid_copy(&info->sid, &ldap_state->domain_sid);
 738
 739         status = GUID_from_string("testguid", &info->guid);
 740
 741         return info;
 742
 743 fail:
 744         TALLOC_FREE(info);
 745         return NULL;
 746 }
 747
 748 static NTSTATUS modify_ipa_password_exop(struct ldapsam_privates *ldap_state,
 749                                          struct samu *sampass)
 750 {
 751         int ret;
 752         BerElement *ber = NULL;
 753         struct berval *bv = NULL;
 754         char *retoid = NULL;
 755         struct berval *retdata = NULL;
 756         const char *password;
 757         char *dn;
 758
 759         password = pdb_get_plaintext_passwd(sampass);
 760         if (password == NULL || *password == '\0') {
 761                 return NT_STATUS_INVALID_PARAMETER;
 762         }
 763
 764         dn = get_account_dn(pdb_get_username(sampass));
 765         if (dn == NULL) {
 766                 return NT_STATUS_INVALID_PARAMETER;
 767         }
 768
 769         ber = ber_alloc_t( LBER_USE_DER );
 770         if (ber == NULL) {
 771                 DEBUG(7, ("ber_alloc_t failed.\n"));
 772                 return NT_STATUS_NO_MEMORY;
 773         }
 774
 775         ret = ber_printf(ber, "{tsts}", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, dn,
 776                          LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, password);
 777         if (ret == -1) {
 778                 DEBUG(7, ("ber_printf failed.\n"));
 779                 ber_free(ber, 1);
 780                 return NT_STATUS_UNSUCCESSFUL;
 781         }
 782
 783         ret = ber_flatten(ber, &bv);
 784         ber_free(ber, 1);
 785         if (ret == -1) {
 786                 DEBUG(1, ("ber_flatten failed.\n"));
 787                 return NT_STATUS_UNSUCCESSFUL;
 788         }
 789
 790         ret = smbldap_extended_operation(ldap_state->smbldap_state,
 791                                          LDAP_EXOP_MODIFY_PASSWD, bv, NULL,
 792                                          NULL, &retoid, &retdata);
 793         ber_bvfree(bv);
 794         if (retdata) {
 795                 ber_bvfree(retdata);
 796         }
 797         if (retoid) {
 798                 ldap_memfree(retoid);
 799         }
 800         if (ret != LDAP_SUCCESS) {
 801                 DEBUG(1, ("smbldap_extended_operation LDAP_EXOP_MODIFY_PASSWD failed.\n"));
 802                 return NT_STATUS_UNSUCCESSFUL;
 803         }
 804
 805         return NT_STATUS_OK;
 806 }
 807
 808 static NTSTATUS ipasam_add_objectclasses(struct ldapsam_privates *ldap_state,
 809                                          struct samu *sampass)
 810 {
 811         char *dn;
 812         LDAPMod **mods = NULL;
 813         int ret;
 814         char *princ;
 815         const char *domain;
 816         char *domain_with_dot;
 817
 818         dn = get_account_dn(pdb_get_username(sampass));
 819         if (dn == NULL) {
 820                 return NT_STATUS_INVALID_PARAMETER;
 821         }
 822
 823         princ = talloc_asprintf(talloc_tos(), "%s@%s", pdb_get_username(sampass), lp_realm());
 824         if (princ == NULL) {
 825                 return NT_STATUS_NO_MEMORY;
 826         }
 827
 828         domain = pdb_get_domain(sampass);
 829         if (domain == NULL) {
 830                 return NT_STATUS_INVALID_PARAMETER;
 831         }
 832
 833         domain_with_dot = talloc_asprintf(talloc_tos(), "%s.", domain);
 834         if (domain_with_dot == NULL) {
 835                 return NT_STATUS_NO_MEMORY;
 836         }
 837
 838         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 839                         "objectclass", LDAP_OBJ_KRB_PRINCIPAL);
 840         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 841                         LDAP_ATTRIBUTE_KRB_PRINCIPAL, princ);
 842         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 843                         "objectclass", LDAP_OBJ_KRB_PRINCIPAL_AUX);
 844         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 845                         "objectclass", "ipaHost");
 846         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 847                         "fqdn", domain);
 848         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 849                         "objectclass", "posixAccount");
 850         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 851                         "cn", pdb_get_username(sampass));
 852         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 853                         "gidNumber", "12345");
 854         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 855                         "homeDirectory", "/dev/null");
 856         smbldap_set_mod(&mods, LDAP_MOD_ADD, "uid", domain);
 857         smbldap_set_mod(&mods, LDAP_MOD_ADD, "uid", domain_with_dot);
 858
 859         ret = smbldap_modify(ldap_state->smbldap_state, dn, mods);
 860         ldap_mods_free(mods, true);
 861         if (ret != LDAP_SUCCESS) {
 862                 DEBUG(1, ("failed to modify/add user with uid = %s (dn = %s)\n",
 863                           pdb_get_username(sampass),dn));
 864                 return NT_STATUS_LDAP(ret);
 865         }
 866
 867         return NT_STATUS_OK;
 868 }
 869
 870 static NTSTATUS pdb_ipasam_add_sam_account(struct pdb_methods *pdb_methods,
 871                                            struct samu *sampass)
 872 {
 873         NTSTATUS status;
 874         struct ldapsam_privates *ldap_state;
 875
 876         ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data);
 877
 878         status =ldap_state->ipasam_privates->ldapsam_add_sam_account(pdb_methods,
 879                                                                      sampass);
 880         if (!NT_STATUS_IS_OK(status)) {
 881                 return status;
 882         }
 883
 884         status = ipasam_add_objectclasses(ldap_state, sampass);
 885         if (!NT_STATUS_IS_OK(status)) {
 886                 return status;
 887         }
 888
 889         if (pdb_get_init_flags(sampass, PDB_PLAINTEXT_PW) == PDB_CHANGED) {
 890                 status = modify_ipa_password_exop(ldap_state, sampass);
 891                 if (!NT_STATUS_IS_OK(status)) {
 892                         return status;
 893                 }
 894         }
 895
 896         return NT_STATUS_OK;
 897 }
 898
 899 static NTSTATUS pdb_ipasam_update_sam_account(struct pdb_methods *pdb_methods,
 900                                               struct samu *sampass)
 901 {
 902         NTSTATUS status;
 903         struct ldapsam_privates *ldap_state;
 904         ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data);
 905
 906         status = ldap_state->ipasam_privates->ldapsam_update_sam_account(pdb_methods,
 907                                                                          sampass);
 908         if (!NT_STATUS_IS_OK(status)) {
 909                 return status;
 910         }
 911
 912         if (pdb_get_init_flags(sampass, PDB_PLAINTEXT_PW) == PDB_CHANGED) {
 913                 status = modify_ipa_password_exop(ldap_state, sampass);
 914                 if (!NT_STATUS_IS_OK(status)) {
 915                         return status;
 916                 }
 917         }
 918
 919         return NT_STATUS_OK;
 920 }
 921
 922 static NTSTATUS pdb_init_IPA_ldapsam(struct pdb_methods **pdb_method, const char *location)
 923 {
 924         struct ldapsam_privates *ldap_state;
 925         NTSTATUS status;
 926
 927         status = pdb_init_ldapsam(pdb_method, location);
 928         if (!NT_STATUS_IS_OK(status)) {
 929                 return status;
 930         }
 931
 932         (*pdb_method)->name = "IPA_ldapsam";
 933
 934         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
 935         ldap_state->ipasam_privates = talloc_zero(ldap_state,
 936                                                   struct ipasam_privates);
 937         if (ldap_state->ipasam_privates == NULL) {
 938                 return NT_STATUS_NO_MEMORY;
 939         }
 940         ldap_state->is_ipa_ldap = true;
 941         ldap_state->ipasam_privates->ldapsam_add_sam_account = (*pdb_method)->add_sam_account;
 942         ldap_state->ipasam_privates->ldapsam_update_sam_account = (*pdb_method)->update_sam_account;
 943
 944         (*pdb_method)->add_sam_account = pdb_ipasam_add_sam_account;
 945         (*pdb_method)->update_sam_account = pdb_ipasam_update_sam_account;
 946
 947         (*pdb_method)->capabilities = pdb_ipasam_capabilities;
 948         (*pdb_method)->get_domain_info = pdb_ipasam_get_domain_info;
 949
 950         (*pdb_method)->get_trusteddom_pw = ipasam_get_trusteddom_pw;
 951         (*pdb_method)->set_trusteddom_pw = ipasam_set_trusteddom_pw;
 952         (*pdb_method)->del_trusteddom_pw = ipasam_del_trusteddom_pw;
 953         (*pdb_method)->enum_trusteddoms = ipasam_enum_trusteddoms;
 954
 955         (*pdb_method)->get_trusted_domain = ipasam_get_trusted_domain;
 956         (*pdb_method)->get_trusted_domain_by_sid = ipasam_get_trusted_domain_by_sid;
 957         (*pdb_method)->set_trusted_domain = ipasam_set_trusted_domain;
 958         (*pdb_method)->del_trusted_domain = ipasam_del_trusted_domain;
 959         (*pdb_method)->enum_trusted_domains = ipasam_enum_trusted_domains;
 960
 961         return NT_STATUS_OK;
 962 }
 963
 964 NTSTATUS pdb_ipa_init(void)
 965 {
 966         NTSTATUS nt_status;
 967
 968         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "IPA_ldapsam", pdb_init_IPA_ldapsam)))
 969                 return nt_status;
 970
 971         return NT_STATUS_OK;
 972 }