2 * Copyright (c) 1999-2001, 2003, PADL Software Pty Ltd.
3 * Copyright (c) 2004, Andrew Bartlett <abartlet@samba.org>.
4 * Copyright (c) 2004, Stefan Metzmacher <metze@samba.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of PADL Software nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 #include "lib/ldb/include/ldb.h"
40 #include "lib/ldb/include/ldb_errors.h"
41 #include "system/iconv.h"
42 #include "librpc/gen_ndr/netlogon.h"
45 { HDB_LDB_ENT_TYPE_CLIENT, HDB_LDB_ENT_TYPE_SERVER,
46 HDB_LDB_ENT_TYPE_KRBTGT, HDB_LDB_ENT_TYPE_ANY };
48 static const char * const krb5_attrs[] = {
53 "servicePrincipalName",
67 "msDS-KeyVersionNumber",
71 static const char *realm_ref_attrs[] = {
77 static KerberosTime ldb_msg_find_krb5time_ldap_time(struct ldb_message *msg, const char *attr, KerberosTime default_val)
83 gentime = ldb_msg_find_string(msg, attr, NULL);
87 tmp = strptime(gentime, "%Y%m%d%H%M%SZ", &tm);
95 static HDBFlags uf2HDBFlags(krb5_context context, int userAccountControl, enum hdb_ldb_ent_type ent_type)
97 HDBFlags flags = int2HDBFlags(0);
99 krb5_warnx(context, "uf2HDBFlags: userAccountControl: %08x\n", userAccountControl);
101 /* we don't allow kadmin deletes */
104 /* mark the principal as invalid to start with */
109 /* All accounts are servers, but this may be disabled again in the caller */
112 /* Account types - clear the invalid bit if it turns out to be valid */
113 if (userAccountControl & UF_NORMAL_ACCOUNT) {
114 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
120 if (userAccountControl & UF_INTERDOMAIN_TRUST_ACCOUNT) {
121 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
126 if (userAccountControl & UF_WORKSTATION_TRUST_ACCOUNT) {
127 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
132 if (userAccountControl & UF_SERVER_TRUST_ACCOUNT) {
133 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
139 /* Not permitted to act as a client if disabled */
140 if (userAccountControl & UF_ACCOUNTDISABLE) {
143 if (userAccountControl & UF_LOCKOUT) {
147 if (userAccountControl & UF_PASSWORD_NOTREQD) {
152 if (userAccountControl & UF_PASSWORD_CANT_CHANGE) {
157 if (userAccountControl & UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED) {
161 if (userAccountControl & UF_TEMP_DUPLICATE_ACCOUNT) {
165 /* UF_DONT_EXPIRE_PASSWD handled in LDB_message2entry() */
168 if (userAccountControl & UF_MNS_LOGON_ACCOUNT) {
172 if (userAccountControl & UF_SMARTCARD_REQUIRED) {
173 flags.require_hwauth = 1;
175 if (userAccountControl & UF_TRUSTED_FOR_DELEGATION) {
176 flags.ok_as_delegate = 1;
178 if (!(userAccountControl & UF_NOT_DELEGATED)) {
179 flags.forwardable = 1;
184 if (userAccountControl & UF_SMARTCARD_USE_DES_KEY_ONLY) {
188 if (userAccountControl & UF_DONT_REQUIRE_PREAUTH) {
189 flags.require_preauth = 0;
191 flags.require_preauth = 1;
195 krb5_warnx(context, "uf2HDBFlags: HDBFlags: %08x\n", HDBFlags2int(flags));
200 static krb5_error_code hdb_ldb_free_private(krb5_context context, hdb_entry_ex *entry_ex)
202 talloc_free(entry_ex->private);
207 * Construct an hdb_entry from a directory entry.
209 static krb5_error_code LDB_message2entry(krb5_context context, HDB *db,
210 TALLOC_CTX *mem_ctx, krb5_const_principal principal,
211 enum hdb_ldb_ent_type ent_type,
212 struct ldb_message *msg,
213 struct ldb_message *realm_ref_msg,
214 hdb_entry_ex *entry_ex)
216 const char *unicodePwd;
217 unsigned int userAccountControl;
219 krb5_error_code ret = 0;
220 const char *dnsdomain = ldb_msg_find_string(realm_ref_msg, "dnsRoot", NULL);
221 char *realm = strupper_talloc(mem_ctx, dnsdomain);
223 struct hdb_ldb_private *private;
224 hdb_entry *ent = &entry_ex->entry;
226 memset(ent, 0, sizeof(*ent));
228 krb5_warnx(context, "LDB_message2entry:\n");
231 krb5_set_error_string(context, "talloc_strdup: out of memory");
236 userAccountControl = ldb_msg_find_uint(msg, "userAccountControl", 0);
238 ent->principal = malloc(sizeof(*(ent->principal)));
239 if (ent_type == HDB_LDB_ENT_TYPE_ANY && principal == NULL) {
240 const char *samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
241 if (!samAccountName) {
242 krb5_set_error_string(context, "LDB_message2entry: no samAccountName present");
246 samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
247 krb5_make_principal(context, &ent->principal, realm, samAccountName, NULL);
250 ret = copy_Principal(principal, ent->principal);
252 krb5_clear_error_string(context);
256 /* While we have copied the client principal, tests
257 * show that Win2k3 returns the 'corrected' realm, not
258 * the client-specified realm. This code attempts to
259 * replace the client principal's realm with the one
260 * we determine from our records */
263 free(*krb5_princ_realm(context, ent->principal));
265 /* this has to be with malloc() */
266 strdup_realm = strdup(realm);
269 krb5_clear_error_string(context);
272 krb5_princ_set_realm(context, ent->principal, &strdup_realm);
275 ent->kvno = ldb_msg_find_int(msg, "msDS-KeyVersionNumber", 0);
277 ent->flags = uf2HDBFlags(context, userAccountControl, ent_type);
279 if (ent_type == HDB_LDB_ENT_TYPE_KRBTGT) {
280 ent->flags.invalid = 0;
281 ent->flags.server = 1;
282 ent->flags.forwardable = 1;
283 ent->flags.ok_as_delegate = 1;
286 if (lp_parm_bool(-1, "kdc", "require spn for service", True)) {
287 if (!ldb_msg_find_string(msg, "servicePrincipalName", NULL)) {
288 ent->flags.server = 0;
292 /* use 'whenCreated' */
293 ent->created_by.time = ldb_msg_find_krb5time_ldap_time(msg, "whenCreated", 0);
295 ent->created_by.principal = NULL;
297 ent->modified_by = (Event *) malloc(sizeof(Event));
298 if (ent->modified_by == NULL) {
299 krb5_set_error_string(context, "malloc: out of memory");
304 /* use 'whenChanged' */
305 ent->modified_by->time = ldb_msg_find_krb5time_ldap_time(msg, "whenChanged", 0);
307 ent->modified_by->principal = NULL;
309 ent->valid_start = NULL;
311 ent->valid_end = NULL;
314 ent->max_life = NULL;
316 ent->max_renew = NULL;
318 ent->generation = NULL;
320 /* create the keys and enctypes */
321 unicodePwd = ldb_msg_find_string(msg, "unicodePwd", NULL);
323 /* Many, many thanks to lukeh@padl.com for this
324 * algorithm, described in his Nov 10 2004 mail to
325 * samba-technical@samba.org */
327 Principal *salt_principal;
328 const char *user_principal_name = ldb_msg_find_string(msg, "userPrincipalName", NULL);
329 struct ldb_message_element *objectclasses;
330 struct ldb_val computer_val;
331 computer_val.data = discard_const_p(uint8_t,"computer");
332 computer_val.length = strlen((const char *)computer_val.data);
334 objectclasses = ldb_msg_find_element(msg, "objectClass");
336 if (objectclasses && ldb_msg_find_val(objectclasses, &computer_val)) {
337 /* Determine a salting principal */
338 char *samAccountName = talloc_strdup(mem_ctx, ldb_msg_find_string(msg, "samAccountName", NULL));
340 if (!samAccountName) {
341 krb5_set_error_string(context, "LDB_message2entry: no samAccountName present");
345 if (samAccountName[strlen(samAccountName)-1] == '$') {
346 samAccountName[strlen(samAccountName)-1] = '\0';
348 saltbody = talloc_asprintf(mem_ctx, "%s.%s", samAccountName, dnsdomain);
350 ret = krb5_make_principal(context, &salt_principal, realm, "host", saltbody, NULL);
351 } else if (user_principal_name) {
353 user_principal_name = talloc_strdup(mem_ctx, user_principal_name);
354 if (!user_principal_name) {
358 p = strchr(user_principal_name, '@');
362 ret = krb5_make_principal(context, &salt_principal, realm, user_principal_name, NULL);
365 const char *samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
366 ret = krb5_make_principal(context, &salt_principal, realm, samAccountName, NULL);
370 size_t num_keys = ent->keys.len;
372 * create keys from unicodePwd
374 ret = hdb_generate_key_set_password(context, salt_principal,
376 &ent->keys.val, &num_keys);
377 ent->keys.len = num_keys;
378 krb5_free_principal(context, salt_principal);
382 krb5_warnx(context, "could not generate keys from unicodePwd\n");
383 ent->keys.val = NULL;
388 const struct ldb_val *val;
391 val = ldb_msg_find_ldb_val(msg, "ntPwdHash");
393 krb5_warnx(context, "neither type of key available for this account\n");
394 ent->keys.val = NULL;
396 } else if (val->length < 16) {
397 ent->keys.val = NULL;
399 krb5_warnx(context, "ntPwdHash has invalid length: %d\n",
402 ret = krb5_data_alloc (&keyvalue, 16);
404 krb5_clear_error_string(context);
409 memcpy(keyvalue.data, val->data, 16);
411 ent->keys.val = malloc(sizeof(ent->keys.val[0]));
412 if (ent->keys.val == NULL) {
413 krb5_data_free(&keyvalue);
414 krb5_clear_error_string(context);
419 memset(&ent->keys.val[0], 0, sizeof(Key));
420 ent->keys.val[0].key.keytype = ETYPE_ARCFOUR_HMAC_MD5;
421 ent->keys.val[0].key.keyvalue = keyvalue;
428 ent->etypes = malloc(sizeof(*(ent->etypes)));
429 if (ent->etypes == NULL) {
430 krb5_clear_error_string(context);
434 ent->etypes->len = ent->keys.len;
435 ent->etypes->val = calloc(ent->etypes->len, sizeof(int));
436 if (ent->etypes->val == NULL) {
437 krb5_clear_error_string(context);
441 for (i=0; i < ent->etypes->len; i++) {
442 ent->etypes->val[i] = ent->keys.val[i].key.keytype;
446 private = talloc(db, struct hdb_ldb_private);
452 private->msg = talloc_steal(private, msg);
453 private->realm_ref_msg = talloc_steal(private, realm_ref_msg);
454 private->samdb = (struct ldb_context *)db->hdb_db;
456 entry_ex->private = private;
457 entry_ex->free_private = hdb_ldb_free_private;
458 entry_ex->check_client_access = hdb_ldb_check_client_access;
459 entry_ex->authz_data_tgs_req = hdb_ldb_authz_data_tgs_req;
460 entry_ex->authz_data_as_req = hdb_ldb_authz_data_as_req;
464 /* This doesn't free ent itself, that is for the eventual caller to do */
465 hdb_free_entry(context, &entry_ex->entry);
471 static krb5_error_code LDB_lookup_principal(krb5_context context, struct ldb_context *ldb_ctx,
473 krb5_const_principal principal,
474 enum hdb_ldb_ent_type ent_type,
475 const struct ldb_dn *realm_dn,
476 struct ldb_message ***pmsg)
481 const char * const *princ_attrs = krb5_attrs;
484 char *princ_str_talloc;
486 char *short_princ_talloc;
490 struct ldb_result *res = NULL;
492 ret = krb5_unparse_name(context, principal, &princ_str);
495 krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
496 krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
500 ret = krb5_unparse_name_norealm(context, principal, &short_princ);
504 krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
505 krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
509 princ_str_talloc = talloc_strdup(mem_ctx, princ_str);
510 short_princ_talloc = talloc_strdup(mem_ctx, short_princ);
513 if (!short_princ || !princ_str_talloc) {
514 krb5_set_error_string(context, "LDB_lookup_principal: talloc_strdup() failed!");
519 case HDB_LDB_ENT_TYPE_CLIENT:
523 case HDB_LDB_ENT_TYPE_KRBTGT:
524 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
527 case HDB_LDB_ENT_TYPE_SERVER:
528 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
531 case HDB_LDB_ENT_TYPE_ANY:
532 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(|(samAccountName=%s)(servicePrincipalName=%s))(userPrincipalName=%s)))",
533 short_princ_talloc, short_princ_talloc, princ_str_talloc);
538 krb5_set_error_string(context, "talloc_asprintf: out of memory");
542 lret = ldb_search(ldb_ctx, realm_dn, LDB_SCOPE_SUBTREE, filter, princ_attrs, &res);
544 realm_dn_str = ldb_dn_linearize(mem_ctx, realm_dn);
546 if (lret != LDB_SUCCESS || res->count == 0) {
547 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' failed: %s",
548 realm_dn_str, filter, ldb_errstring(ldb_ctx));
549 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' failed: %s",
550 realm_dn_str, filter, ldb_errstring(ldb_ctx));
551 return HDB_ERR_NOENTRY;
552 } else if (res->count > 1) {
553 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
554 realm_dn_str, filter, res->count);
555 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
556 realm_dn_str, filter, res->count);
558 return HDB_ERR_NOENTRY;
560 *pmsg = talloc_steal(mem_ctx, res->msgs);
565 static krb5_error_code LDB_lookup_realm(krb5_context context, struct ldb_context *ldb_ctx,
568 struct ldb_message ***pmsg)
571 char *cross_ref_filter;
572 struct ldb_result *cross_ref_res;
574 cross_ref_filter = talloc_asprintf(mem_ctx,
575 "(&(&(|(&(dnsRoot=%s)(nETBIOSName=*))(nETBIOSName=%s))(objectclass=crossRef))(ncName=*))",
577 if (!cross_ref_filter) {
578 krb5_set_error_string(context, "asprintf: out of memory");
582 ret = ldb_search(ldb_ctx, NULL, LDB_SCOPE_SUBTREE, cross_ref_filter, realm_ref_attrs, &cross_ref_res);
584 if (ret != LDB_SUCCESS || cross_ref_res->count == 0) {
585 krb5_warnx(context, "ldb_search: filter: '%s' failed: %s", cross_ref_filter, ldb_errstring(ldb_ctx));
586 krb5_set_error_string(context, "ldb_search: filter: '%s' failed: %s", cross_ref_filter, ldb_errstring(ldb_ctx));
588 talloc_free(cross_ref_res);
589 return HDB_ERR_NOENTRY;
590 } else if (cross_ref_res->count > 1) {
591 krb5_warnx(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, cross_ref_res->count);
592 krb5_set_error_string(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, cross_ref_res->count);
594 talloc_free(cross_ref_res);
595 return HDB_ERR_NOENTRY;
599 *pmsg = talloc_steal(mem_ctx, cross_ref_res->msgs);
601 talloc_free(cross_ref_res);
608 static krb5_error_code LDB_open(krb5_context context, HDB *db, int flags, mode_t mode)
610 if (db->hdb_master_key_set) {
611 krb5_warnx(context, "LDB_open: use of a master key incompatible with LDB\n");
612 krb5_set_error_string(context, "LDB_open: use of a master key incompatible with LDB\n");
613 return HDB_ERR_NOENTRY;
619 static krb5_error_code LDB_close(krb5_context context, HDB *db)
624 static krb5_error_code LDB_lock(krb5_context context, HDB *db, int operation)
629 static krb5_error_code LDB_unlock(krb5_context context, HDB *db)
634 static krb5_error_code LDB_rename(krb5_context context, HDB *db, const char *new_name)
636 return HDB_ERR_DB_INUSE;
639 static krb5_error_code LDB_fetch_ex(krb5_context context, HDB *db, unsigned flags,
640 krb5_const_principal principal,
641 enum hdb_ent_type ent_type,
642 hdb_entry_ex *entry_ex)
644 struct ldb_message **msg = NULL;
645 struct ldb_message **realm_ref_msg = NULL;
646 struct ldb_message **realm_fixed_msg = NULL;
647 enum hdb_ldb_ent_type ldb_ent_type;
651 const struct ldb_dn *realm_dn;
652 TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "LDB_fetch context");
655 krb5_set_error_string(context, "LDB_fetch: talloc_named() failed!");
660 case HDB_ENT_TYPE_CLIENT:
663 char *principal_string;
664 ldb_ent_type = HDB_LDB_ENT_TYPE_CLIENT;
666 ret = krb5_unparse_name(context, principal, &principal_string);
669 talloc_free(mem_ctx);
673 nt_status = sam_get_results_principal((struct ldb_context *)db->hdb_db,
674 mem_ctx, principal_string,
675 &msg, &realm_ref_msg);
676 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
677 return HDB_ERR_NOENTRY;
678 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MEMORY)) {
680 } else if (!NT_STATUS_IS_OK(nt_status)) {
684 ret = LDB_message2entry(context, db, mem_ctx,
685 principal, ldb_ent_type,
686 msg[0], realm_ref_msg[0], entry_ex);
688 talloc_free(mem_ctx);
691 case HDB_ENT_TYPE_SERVER:
692 if (principal->name.name_string.len == 2
693 && (strcmp(principal->name.name_string.val[0], KRB5_TGS_NAME) == 0)) {
694 /* krbtgt case. Either us or a trusted realm */
695 if ((LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
696 mem_ctx, principal->name.name_string.val[1], &realm_fixed_msg) == 0)) {
698 /* Cludge, cludge cludge. If the realm part of krbtgt/realm,
699 * is in our db, then direct the caller at our primary
702 const char *dnsdomain = ldb_msg_find_string(realm_fixed_msg[0], "dnsRoot", NULL);
703 char *realm_fixed = strupper_talloc(mem_ctx, dnsdomain);
705 krb5_set_error_string(context, "strupper_talloc: out of memory");
706 talloc_free(mem_ctx);
710 free(principal->name.name_string.val[1]);
711 principal->name.name_string.val[1] = strdup(realm_fixed);
712 talloc_free(realm_fixed);
713 if (!principal->name.name_string.val[1]) {
714 krb5_set_error_string(context, "LDB_fetch: strdup() failed!");
715 talloc_free(mem_ctx);
718 ldb_ent_type = HDB_LDB_ENT_TYPE_KRBTGT;
721 /* we should lookup trusted domains */
722 return HDB_ERR_NOENTRY;
725 } else if (principal->name.name_string.len >= 2) {
726 /* 'normal server' case */
729 struct ldb_dn *user_dn, *domain_dn;
730 char *principal_string;
731 ldb_ent_type = HDB_LDB_ENT_TYPE_SERVER;
733 ret = krb5_unparse_name_norealm(context, principal, &principal_string);
736 talloc_free(mem_ctx);
740 /* At this point we may find the host is known to be
741 * in a different realm, so we should generate a
742 * referral instead */
743 nt_status = crack_service_principal_name((struct ldb_context *)db->hdb_db,
744 mem_ctx, principal_string,
745 &user_dn, &domain_dn);
746 free(principal_string);
748 if (!NT_STATUS_IS_OK(nt_status)) {
749 talloc_free(mem_ctx);
750 return HDB_ERR_NOENTRY;
753 ldb_ret = gendb_search_dn((struct ldb_context *)db->hdb_db,
754 mem_ctx, user_dn, &msg, krb5_attrs);
757 return HDB_ERR_NOENTRY;
760 ldb_ret = gendb_search((struct ldb_context *)db->hdb_db,
761 mem_ctx, NULL, &realm_ref_msg, realm_ref_attrs,
762 "ncName=%s", ldb_dn_linearize(mem_ctx, domain_dn));
765 return HDB_ERR_NOENTRY;
768 ret = LDB_message2entry(context, db, mem_ctx,
769 principal, ldb_ent_type,
770 msg[0], realm_ref_msg[0], entry_ex);
771 talloc_free(mem_ctx);
775 ldb_ent_type = HDB_LDB_ENT_TYPE_SERVER;
776 /* server as client principal case, but we must not lookup userPrincipalNames */
779 case HDB_ENT_TYPE_ANY:
780 ldb_ent_type = HDB_LDB_ENT_TYPE_ANY;
783 krb5_warnx(context, "LDB_fetch: invalid ent_type specified!");
784 talloc_free(mem_ctx);
785 return HDB_ERR_NOENTRY;
789 realm = krb5_principal_get_realm(context, principal);
791 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
792 mem_ctx, realm, &realm_ref_msg);
794 krb5_warnx(context, "LDB_fetch: could not find realm");
795 talloc_free(mem_ctx);
796 return HDB_ERR_NOENTRY;
799 realm_dn = samdb_result_dn(mem_ctx, realm_ref_msg[0], "nCName", NULL);
801 ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
803 principal, ldb_ent_type, realm_dn, &msg);
806 krb5_warnx(context, "LDB_fetch: could not find principal in DB");
807 krb5_set_error_string(context, "LDB_fetch: could not find principal in DB");
808 talloc_free(mem_ctx);
811 ret = LDB_message2entry(context, db, mem_ctx,
812 principal, ldb_ent_type,
813 msg[0], realm_ref_msg[0], entry_ex);
815 krb5_warnx(context, "LDB_fetch: message2entry failed\n");
819 talloc_free(mem_ctx);
823 static krb5_error_code LDB_fetch(krb5_context context, HDB *db, unsigned flags,
824 krb5_const_principal principal,
825 enum hdb_ent_type ent_type,
828 struct hdb_entry_ex entry_ex;
831 memset(&entry_ex, '\0', sizeof(entry_ex));
832 ret = LDB_fetch_ex(context, db, flags, principal, ent_type, &entry_ex);
835 if (entry_ex.free_private) {
836 entry_ex.free_private(context, &entry_ex);
838 *entry = entry_ex.entry;
843 static krb5_error_code LDB_store(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
845 return HDB_ERR_DB_INUSE;
848 static krb5_error_code LDB_remove(krb5_context context, HDB *db, hdb_entry *entry)
850 return HDB_ERR_DB_INUSE;
854 struct ldb_context *ctx;
857 struct ldb_message **msgs;
858 struct ldb_message **realm_ref_msgs;
861 static krb5_error_code LDB_seq(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
864 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
866 hdb_entry_ex entry_ex;
867 memset(&entry_ex, '\0', sizeof(entry_ex));
870 return HDB_ERR_NOENTRY;
873 mem_ctx = talloc_named(priv, 0, "LDB_seq context");
876 krb5_set_error_string(context, "LDB_seq: talloc_named() failed!");
880 if (priv->index < priv->count) {
881 ret = LDB_message2entry(context, db, mem_ctx,
882 NULL, HDB_LDB_ENT_TYPE_ANY,
883 priv->msgs[priv->index++],
884 priv->realm_ref_msgs[0], &entry_ex);
886 if (entry_ex.free_private) {
887 entry_ex.free_private(context, &entry_ex);
889 *entry = entry_ex.entry;
892 ret = HDB_ERR_NOENTRY;
897 db->hdb_openp = NULL;
899 talloc_free(mem_ctx);
905 static krb5_error_code LDB_firstkey(krb5_context context, HDB *db, unsigned flags,
908 struct ldb_context *ldb_ctx = (struct ldb_context *)db->hdb_db;
909 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
911 struct ldb_dn *realm_dn = NULL;
912 struct ldb_result *res = NULL;
913 struct ldb_message **realm_ref_msgs = NULL;
923 priv = (struct hdb_ldb_seq *) talloc(db, struct hdb_ldb_seq);
925 krb5_set_error_string(context, "talloc: out of memory");
932 priv->realm_ref_msgs = NULL;
935 mem_ctx = talloc_named(priv, 0, "LDB_firstkey context");
938 krb5_set_error_string(context, "LDB_firstkey: talloc_named() failed!");
942 ret = krb5_get_default_realm(context, &realm);
948 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
949 mem_ctx, realm, &realm_ref_msgs);
955 krb5_warnx(context, "LDB_firstkey: could not find realm\n");
956 return HDB_ERR_NOENTRY;
959 realm_dn = samdb_result_dn(mem_ctx, realm_ref_msgs[0], "nCName", NULL);
961 priv->realm_ref_msgs = talloc_steal(priv, realm_ref_msgs);
963 krb5_warnx(context, "LDB_firstkey: realm ok\n");
965 lret = ldb_search(ldb_ctx, realm_dn,
966 LDB_SCOPE_SUBTREE, "(objectClass=user)",
969 if (lret != LDB_SUCCESS) {
971 return HDB_ERR_NOENTRY;
974 priv->count = res->count;
975 priv->msgs = talloc_steal(priv, res->msgs);
977 db->hdb_openp = priv;
979 ret = LDB_seq(context, db, flags, entry);
983 db->hdb_openp = NULL;
985 talloc_free(mem_ctx);
990 static krb5_error_code LDB_nextkey(krb5_context context, HDB *db, unsigned flags,
993 return LDB_seq(context, db, flags, entry);
996 static krb5_error_code LDB_destroy(krb5_context context, HDB *db)
1002 krb5_error_code hdb_ldb_create(TALLOC_CTX *mem_ctx,
1003 krb5_context context, struct HDB **db, const char *arg)
1005 *db = talloc(mem_ctx, HDB);
1007 krb5_set_error_string(context, "malloc: out of memory");
1011 (*db)->hdb_master_key_set = 0;
1012 (*db)->hdb_db = NULL;
1014 /* Setup the link to LDB */
1015 (*db)->hdb_db = samdb_connect(*db, system_session(db));
1016 if ((*db)->hdb_db == NULL) {
1017 krb5_warnx(context, "hdb_ldb_create: samdb_connect failed!");
1018 krb5_set_error_string(context, "samdb_connect failed!");
1020 return HDB_ERR_NOENTRY;
1023 (*db)->hdb_openp = 0;
1024 (*db)->hdb_open = LDB_open;
1025 (*db)->hdb_close = LDB_close;
1026 (*db)->hdb_fetch = LDB_fetch;
1027 (*db)->hdb_fetch_ex = LDB_fetch_ex;
1028 (*db)->hdb_store = LDB_store;
1029 (*db)->hdb_remove = LDB_remove;
1030 (*db)->hdb_firstkey = LDB_firstkey;
1031 (*db)->hdb_nextkey = LDB_nextkey;
1032 (*db)->hdb_lock = LDB_lock;
1033 (*db)->hdb_unlock = LDB_unlock;
1034 (*db)->hdb_rename = LDB_rename;
1035 /* we don't implement these, as we are not a lockable database */
1036 (*db)->hdb__get = NULL;
1037 (*db)->hdb__put = NULL;
1038 /* kadmin should not be used for deletes - use other tools instead */
1039 (*db)->hdb__del = NULL;
1040 (*db)->hdb_destroy = LDB_destroy;