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);
222 struct ldb_dn *domain_dn = samdb_result_dn(mem_ctx, realm_ref_msg, "nCName", ldb_dn_new(mem_ctx));
224 struct hdb_ldb_private *private;
225 hdb_entry *ent = &entry_ex->entry;
228 memset(ent, 0, sizeof(*ent));
230 krb5_warnx(context, "LDB_message2entry:\n");
233 krb5_set_error_string(context, "talloc_strdup: out of memory");
238 userAccountControl = ldb_msg_find_uint(msg, "userAccountControl", 0);
240 ent->principal = malloc(sizeof(*(ent->principal)));
241 if (ent_type == HDB_LDB_ENT_TYPE_ANY && principal == NULL) {
242 const char *samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
243 if (!samAccountName) {
244 krb5_set_error_string(context, "LDB_message2entry: no samAccountName present");
248 samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
249 krb5_make_principal(context, &ent->principal, realm, samAccountName, NULL);
252 ret = copy_Principal(principal, ent->principal);
254 krb5_clear_error_string(context);
258 /* While we have copied the client principal, tests
259 * show that Win2k3 returns the 'corrected' realm, not
260 * the client-specified realm. This code attempts to
261 * replace the client principal's realm with the one
262 * we determine from our records */
265 free(*krb5_princ_realm(context, ent->principal));
267 /* this has to be with malloc() */
268 strdup_realm = strdup(realm);
271 krb5_clear_error_string(context);
274 krb5_princ_set_realm(context, ent->principal, &strdup_realm);
277 ent->kvno = ldb_msg_find_int(msg, "msDS-KeyVersionNumber", 0);
279 ent->flags = uf2HDBFlags(context, userAccountControl, ent_type);
281 if (ent_type == HDB_LDB_ENT_TYPE_KRBTGT) {
282 ent->flags.invalid = 0;
283 ent->flags.server = 1;
284 ent->flags.forwardable = 1;
285 ent->flags.ok_as_delegate = 1;
288 if (lp_parm_bool(-1, "kdc", "require spn for service", True)) {
289 if (!ldb_msg_find_string(msg, "servicePrincipalName", NULL)) {
290 ent->flags.server = 0;
294 /* use 'whenCreated' */
295 ent->created_by.time = ldb_msg_find_krb5time_ldap_time(msg, "whenCreated", 0);
297 ent->created_by.principal = NULL;
299 ent->modified_by = (Event *) malloc(sizeof(Event));
300 if (ent->modified_by == NULL) {
301 krb5_set_error_string(context, "malloc: out of memory");
306 /* use 'whenChanged' */
307 ent->modified_by->time = ldb_msg_find_krb5time_ldap_time(msg, "whenChanged", 0);
309 ent->modified_by->principal = NULL;
311 ent->valid_start = NULL;
313 acct_expiry = samdb_result_nttime(msg, "accountExpires", (NTTIME)-1);
314 if ((acct_expiry == (NTTIME)-1) ||
315 (acct_expiry == 0x7FFFFFFFFFFFFFFFULL)) {
316 ent->valid_end = NULL;
318 ent->valid_end = malloc(sizeof(*ent->valid_end));
319 if (ent->valid_end == NULL) {
323 *ent->valid_end = nt_time_to_unix(acct_expiry);
326 if ((ent_type != HDB_LDB_ENT_TYPE_KRBTGT) && (!(userAccountControl & UF_DONT_EXPIRE_PASSWD))) {
327 NTTIME must_change_time
328 = samdb_result_force_password_change((struct ldb_context *)db->hdb_db, mem_ctx,
331 if (must_change_time != 0) {
332 ent->pw_end = malloc(sizeof(*ent->pw_end));
333 if (ent->pw_end == NULL) {
337 *ent->pw_end = nt_time_to_unix(must_change_time);
345 ent->max_life = NULL;
347 ent->max_renew = NULL;
349 ent->generation = NULL;
351 /* create the keys and enctypes */
352 unicodePwd = ldb_msg_find_string(msg, "unicodePwd", NULL);
354 /* Many, many thanks to lukeh@padl.com for this
355 * algorithm, described in his Nov 10 2004 mail to
356 * samba-technical@samba.org */
358 Principal *salt_principal;
359 const char *user_principal_name = ldb_msg_find_string(msg, "userPrincipalName", NULL);
360 struct ldb_message_element *objectclasses;
361 struct ldb_val computer_val;
362 computer_val.data = discard_const_p(uint8_t,"computer");
363 computer_val.length = strlen((const char *)computer_val.data);
365 objectclasses = ldb_msg_find_element(msg, "objectClass");
367 if (objectclasses && ldb_msg_find_val(objectclasses, &computer_val)) {
368 /* Determine a salting principal */
369 char *samAccountName = talloc_strdup(mem_ctx, ldb_msg_find_string(msg, "samAccountName", NULL));
371 if (!samAccountName) {
372 krb5_set_error_string(context, "LDB_message2entry: no samAccountName present");
376 if (samAccountName[strlen(samAccountName)-1] == '$') {
377 samAccountName[strlen(samAccountName)-1] = '\0';
379 saltbody = talloc_asprintf(mem_ctx, "%s.%s", samAccountName, dnsdomain);
381 ret = krb5_make_principal(context, &salt_principal, realm, "host", saltbody, NULL);
382 } else if (user_principal_name) {
384 user_principal_name = talloc_strdup(mem_ctx, user_principal_name);
385 if (!user_principal_name) {
389 p = strchr(user_principal_name, '@');
393 ret = krb5_make_principal(context, &salt_principal, realm, user_principal_name, NULL);
396 const char *samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
397 ret = krb5_make_principal(context, &salt_principal, realm, samAccountName, NULL);
401 size_t num_keys = ent->keys.len;
403 * create keys from unicodePwd
405 ret = hdb_generate_key_set_password(context, salt_principal,
407 &ent->keys.val, &num_keys);
408 ent->keys.len = num_keys;
409 krb5_free_principal(context, salt_principal);
413 krb5_warnx(context, "could not generate keys from unicodePwd\n");
414 ent->keys.val = NULL;
419 const struct ldb_val *val;
422 val = ldb_msg_find_ldb_val(msg, "ntPwdHash");
424 krb5_warnx(context, "neither type of key available for this account\n");
425 ent->keys.val = NULL;
427 } else if (val->length < 16) {
428 ent->keys.val = NULL;
430 krb5_warnx(context, "ntPwdHash has invalid length: %d\n",
433 ret = krb5_data_alloc (&keyvalue, 16);
435 krb5_clear_error_string(context);
440 memcpy(keyvalue.data, val->data, 16);
442 ent->keys.val = malloc(sizeof(ent->keys.val[0]));
443 if (ent->keys.val == NULL) {
444 krb5_data_free(&keyvalue);
445 krb5_clear_error_string(context);
450 memset(&ent->keys.val[0], 0, sizeof(Key));
451 ent->keys.val[0].key.keytype = ETYPE_ARCFOUR_HMAC_MD5;
452 ent->keys.val[0].key.keyvalue = keyvalue;
459 ent->etypes = malloc(sizeof(*(ent->etypes)));
460 if (ent->etypes == NULL) {
461 krb5_clear_error_string(context);
465 ent->etypes->len = ent->keys.len;
466 ent->etypes->val = calloc(ent->etypes->len, sizeof(int));
467 if (ent->etypes->val == NULL) {
468 krb5_clear_error_string(context);
472 for (i=0; i < ent->etypes->len; i++) {
473 ent->etypes->val[i] = ent->keys.val[i].key.keytype;
477 private = talloc(db, struct hdb_ldb_private);
483 private->msg = talloc_steal(private, msg);
484 private->realm_ref_msg = talloc_steal(private, realm_ref_msg);
485 private->samdb = (struct ldb_context *)db->hdb_db;
487 entry_ex->private = private;
488 entry_ex->free_private = hdb_ldb_free_private;
489 entry_ex->check_client_access = hdb_ldb_check_client_access;
490 entry_ex->authz_data_tgs_req = hdb_ldb_authz_data_tgs_req;
491 entry_ex->authz_data_as_req = hdb_ldb_authz_data_as_req;
495 /* This doesn't free ent itself, that is for the eventual caller to do */
496 hdb_free_entry(context, &entry_ex->entry);
502 static krb5_error_code LDB_lookup_principal(krb5_context context, struct ldb_context *ldb_ctx,
504 krb5_const_principal principal,
505 enum hdb_ldb_ent_type ent_type,
506 const struct ldb_dn *realm_dn,
507 struct ldb_message ***pmsg)
512 const char * const *princ_attrs = krb5_attrs;
515 char *princ_str_talloc;
517 char *short_princ_talloc;
521 struct ldb_result *res = NULL;
523 ret = krb5_unparse_name(context, principal, &princ_str);
526 krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
527 krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
531 ret = krb5_unparse_name_norealm(context, principal, &short_princ);
535 krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
536 krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
540 princ_str_talloc = talloc_strdup(mem_ctx, princ_str);
541 short_princ_talloc = talloc_strdup(mem_ctx, short_princ);
544 if (!short_princ || !princ_str_talloc) {
545 krb5_set_error_string(context, "LDB_lookup_principal: talloc_strdup() failed!");
550 case HDB_LDB_ENT_TYPE_CLIENT:
554 case HDB_LDB_ENT_TYPE_KRBTGT:
555 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
558 case HDB_LDB_ENT_TYPE_SERVER:
559 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
562 case HDB_LDB_ENT_TYPE_ANY:
563 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(|(samAccountName=%s)(servicePrincipalName=%s))(userPrincipalName=%s)))",
564 short_princ_talloc, short_princ_talloc, princ_str_talloc);
569 krb5_set_error_string(context, "talloc_asprintf: out of memory");
573 lret = ldb_search(ldb_ctx, realm_dn, LDB_SCOPE_SUBTREE, filter, princ_attrs, &res);
575 realm_dn_str = ldb_dn_linearize(mem_ctx, realm_dn);
577 if (lret != LDB_SUCCESS || res->count == 0) {
578 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' failed: %s",
579 realm_dn_str, filter, ldb_errstring(ldb_ctx));
580 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' failed: %s",
581 realm_dn_str, filter, ldb_errstring(ldb_ctx));
582 return HDB_ERR_NOENTRY;
583 } else if (res->count > 1) {
584 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
585 realm_dn_str, filter, res->count);
586 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
587 realm_dn_str, filter, res->count);
589 return HDB_ERR_NOENTRY;
591 *pmsg = talloc_steal(mem_ctx, res->msgs);
596 static krb5_error_code LDB_lookup_realm(krb5_context context, struct ldb_context *ldb_ctx,
599 struct ldb_message ***pmsg)
602 char *cross_ref_filter;
603 struct ldb_result *cross_ref_res;
605 cross_ref_filter = talloc_asprintf(mem_ctx,
606 "(&(&(|(&(dnsRoot=%s)(nETBIOSName=*))(nETBIOSName=%s))(objectclass=crossRef))(ncName=*))",
608 if (!cross_ref_filter) {
609 krb5_set_error_string(context, "asprintf: out of memory");
613 ret = ldb_search(ldb_ctx, NULL, LDB_SCOPE_SUBTREE, cross_ref_filter, realm_ref_attrs, &cross_ref_res);
615 if (ret != LDB_SUCCESS || cross_ref_res->count == 0) {
616 krb5_warnx(context, "ldb_search: filter: '%s' failed: %s", cross_ref_filter, ldb_errstring(ldb_ctx));
617 krb5_set_error_string(context, "ldb_search: filter: '%s' failed: %s", cross_ref_filter, ldb_errstring(ldb_ctx));
619 talloc_free(cross_ref_res);
620 return HDB_ERR_NOENTRY;
621 } else if (cross_ref_res->count > 1) {
622 krb5_warnx(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, cross_ref_res->count);
623 krb5_set_error_string(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, cross_ref_res->count);
625 talloc_free(cross_ref_res);
626 return HDB_ERR_NOENTRY;
630 *pmsg = talloc_steal(mem_ctx, cross_ref_res->msgs);
632 talloc_free(cross_ref_res);
639 static krb5_error_code LDB_open(krb5_context context, HDB *db, int flags, mode_t mode)
641 if (db->hdb_master_key_set) {
642 krb5_warnx(context, "LDB_open: use of a master key incompatible with LDB\n");
643 krb5_set_error_string(context, "LDB_open: use of a master key incompatible with LDB\n");
644 return HDB_ERR_NOENTRY;
650 static krb5_error_code LDB_close(krb5_context context, HDB *db)
655 static krb5_error_code LDB_lock(krb5_context context, HDB *db, int operation)
660 static krb5_error_code LDB_unlock(krb5_context context, HDB *db)
665 static krb5_error_code LDB_rename(krb5_context context, HDB *db, const char *new_name)
667 return HDB_ERR_DB_INUSE;
670 static krb5_error_code LDB_fetch_ex(krb5_context context, HDB *db, unsigned flags,
671 krb5_const_principal principal,
672 enum hdb_ent_type ent_type,
673 hdb_entry_ex *entry_ex)
675 struct ldb_message **msg = NULL;
676 struct ldb_message **realm_ref_msg = NULL;
677 struct ldb_message **realm_fixed_msg = NULL;
678 enum hdb_ldb_ent_type ldb_ent_type;
682 const struct ldb_dn *realm_dn;
683 TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "LDB_fetch context");
686 krb5_set_error_string(context, "LDB_fetch: talloc_named() failed!");
691 case HDB_ENT_TYPE_CLIENT:
694 char *principal_string;
695 ldb_ent_type = HDB_LDB_ENT_TYPE_CLIENT;
697 ret = krb5_unparse_name(context, principal, &principal_string);
700 talloc_free(mem_ctx);
704 nt_status = sam_get_results_principal((struct ldb_context *)db->hdb_db,
705 mem_ctx, principal_string,
706 &msg, &realm_ref_msg);
707 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
708 return HDB_ERR_NOENTRY;
709 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MEMORY)) {
711 } else if (!NT_STATUS_IS_OK(nt_status)) {
715 ret = LDB_message2entry(context, db, mem_ctx,
716 principal, ldb_ent_type,
717 msg[0], realm_ref_msg[0], entry_ex);
719 talloc_free(mem_ctx);
722 case HDB_ENT_TYPE_SERVER:
723 if (principal->name.name_string.len == 2
724 && (strcmp(principal->name.name_string.val[0], KRB5_TGS_NAME) == 0)) {
725 /* krbtgt case. Either us or a trusted realm */
726 if ((LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
727 mem_ctx, principal->name.name_string.val[1], &realm_fixed_msg) == 0)) {
729 /* Cludge, cludge cludge. If the realm part of krbtgt/realm,
730 * is in our db, then direct the caller at our primary
733 const char *dnsdomain = ldb_msg_find_string(realm_fixed_msg[0], "dnsRoot", NULL);
734 char *realm_fixed = strupper_talloc(mem_ctx, dnsdomain);
736 krb5_set_error_string(context, "strupper_talloc: out of memory");
737 talloc_free(mem_ctx);
741 free(principal->name.name_string.val[1]);
742 principal->name.name_string.val[1] = strdup(realm_fixed);
743 talloc_free(realm_fixed);
744 if (!principal->name.name_string.val[1]) {
745 krb5_set_error_string(context, "LDB_fetch: strdup() failed!");
746 talloc_free(mem_ctx);
749 ldb_ent_type = HDB_LDB_ENT_TYPE_KRBTGT;
752 /* we should lookup trusted domains */
753 return HDB_ERR_NOENTRY;
756 } else if (principal->name.name_string.len >= 2) {
757 /* 'normal server' case */
760 struct ldb_dn *user_dn, *domain_dn;
761 char *principal_string;
762 ldb_ent_type = HDB_LDB_ENT_TYPE_SERVER;
764 ret = krb5_unparse_name_norealm(context, principal, &principal_string);
767 talloc_free(mem_ctx);
771 /* At this point we may find the host is known to be
772 * in a different realm, so we should generate a
773 * referral instead */
774 nt_status = crack_service_principal_name((struct ldb_context *)db->hdb_db,
775 mem_ctx, principal_string,
776 &user_dn, &domain_dn);
777 free(principal_string);
779 if (!NT_STATUS_IS_OK(nt_status)) {
780 talloc_free(mem_ctx);
781 return HDB_ERR_NOENTRY;
784 ldb_ret = gendb_search_dn((struct ldb_context *)db->hdb_db,
785 mem_ctx, user_dn, &msg, krb5_attrs);
788 return HDB_ERR_NOENTRY;
791 ldb_ret = gendb_search((struct ldb_context *)db->hdb_db,
792 mem_ctx, NULL, &realm_ref_msg, realm_ref_attrs,
793 "ncName=%s", ldb_dn_linearize(mem_ctx, domain_dn));
796 return HDB_ERR_NOENTRY;
799 ret = LDB_message2entry(context, db, mem_ctx,
800 principal, ldb_ent_type,
801 msg[0], realm_ref_msg[0], entry_ex);
802 talloc_free(mem_ctx);
806 ldb_ent_type = HDB_LDB_ENT_TYPE_SERVER;
807 /* server as client principal case, but we must not lookup userPrincipalNames */
810 case HDB_ENT_TYPE_ANY:
811 ldb_ent_type = HDB_LDB_ENT_TYPE_ANY;
814 krb5_warnx(context, "LDB_fetch: invalid ent_type specified!");
815 talloc_free(mem_ctx);
816 return HDB_ERR_NOENTRY;
820 realm = krb5_principal_get_realm(context, principal);
822 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
823 mem_ctx, realm, &realm_ref_msg);
825 krb5_warnx(context, "LDB_fetch: could not find realm");
826 talloc_free(mem_ctx);
827 return HDB_ERR_NOENTRY;
830 realm_dn = samdb_result_dn(mem_ctx, realm_ref_msg[0], "nCName", NULL);
832 ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
834 principal, ldb_ent_type, realm_dn, &msg);
837 krb5_warnx(context, "LDB_fetch: could not find principal in DB");
838 krb5_set_error_string(context, "LDB_fetch: could not find principal in DB");
839 talloc_free(mem_ctx);
842 ret = LDB_message2entry(context, db, mem_ctx,
843 principal, ldb_ent_type,
844 msg[0], realm_ref_msg[0], entry_ex);
846 krb5_warnx(context, "LDB_fetch: message2entry failed\n");
850 talloc_free(mem_ctx);
854 static krb5_error_code LDB_fetch(krb5_context context, HDB *db, unsigned flags,
855 krb5_const_principal principal,
856 enum hdb_ent_type ent_type,
859 struct hdb_entry_ex entry_ex;
862 memset(&entry_ex, '\0', sizeof(entry_ex));
863 ret = LDB_fetch_ex(context, db, flags, principal, ent_type, &entry_ex);
866 if (entry_ex.free_private) {
867 entry_ex.free_private(context, &entry_ex);
869 *entry = entry_ex.entry;
874 static krb5_error_code LDB_store(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
876 return HDB_ERR_DB_INUSE;
879 static krb5_error_code LDB_remove(krb5_context context, HDB *db, hdb_entry *entry)
881 return HDB_ERR_DB_INUSE;
885 struct ldb_context *ctx;
888 struct ldb_message **msgs;
889 struct ldb_message **realm_ref_msgs;
892 static krb5_error_code LDB_seq(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
895 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
897 hdb_entry_ex entry_ex;
898 memset(&entry_ex, '\0', sizeof(entry_ex));
901 return HDB_ERR_NOENTRY;
904 mem_ctx = talloc_named(priv, 0, "LDB_seq context");
907 krb5_set_error_string(context, "LDB_seq: talloc_named() failed!");
911 if (priv->index < priv->count) {
912 ret = LDB_message2entry(context, db, mem_ctx,
913 NULL, HDB_LDB_ENT_TYPE_ANY,
914 priv->msgs[priv->index++],
915 priv->realm_ref_msgs[0], &entry_ex);
917 if (entry_ex.free_private) {
918 entry_ex.free_private(context, &entry_ex);
920 *entry = entry_ex.entry;
923 ret = HDB_ERR_NOENTRY;
928 db->hdb_openp = NULL;
930 talloc_free(mem_ctx);
936 static krb5_error_code LDB_firstkey(krb5_context context, HDB *db, unsigned flags,
939 struct ldb_context *ldb_ctx = (struct ldb_context *)db->hdb_db;
940 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
942 struct ldb_dn *realm_dn = NULL;
943 struct ldb_result *res = NULL;
944 struct ldb_message **realm_ref_msgs = NULL;
954 priv = (struct hdb_ldb_seq *) talloc(db, struct hdb_ldb_seq);
956 krb5_set_error_string(context, "talloc: out of memory");
963 priv->realm_ref_msgs = NULL;
966 mem_ctx = talloc_named(priv, 0, "LDB_firstkey context");
969 krb5_set_error_string(context, "LDB_firstkey: talloc_named() failed!");
973 ret = krb5_get_default_realm(context, &realm);
979 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
980 mem_ctx, realm, &realm_ref_msgs);
986 krb5_warnx(context, "LDB_firstkey: could not find realm\n");
987 return HDB_ERR_NOENTRY;
990 realm_dn = samdb_result_dn(mem_ctx, realm_ref_msgs[0], "nCName", NULL);
992 priv->realm_ref_msgs = talloc_steal(priv, realm_ref_msgs);
994 krb5_warnx(context, "LDB_firstkey: realm ok\n");
996 lret = ldb_search(ldb_ctx, realm_dn,
997 LDB_SCOPE_SUBTREE, "(objectClass=user)",
1000 if (lret != LDB_SUCCESS) {
1002 return HDB_ERR_NOENTRY;
1005 priv->count = res->count;
1006 priv->msgs = talloc_steal(priv, res->msgs);
1008 db->hdb_openp = priv;
1010 ret = LDB_seq(context, db, flags, entry);
1014 db->hdb_openp = NULL;
1016 talloc_free(mem_ctx);
1021 static krb5_error_code LDB_nextkey(krb5_context context, HDB *db, unsigned flags,
1024 return LDB_seq(context, db, flags, entry);
1027 static krb5_error_code LDB_destroy(krb5_context context, HDB *db)
1033 krb5_error_code hdb_ldb_create(TALLOC_CTX *mem_ctx,
1034 krb5_context context, struct HDB **db, const char *arg)
1036 *db = talloc(mem_ctx, HDB);
1038 krb5_set_error_string(context, "malloc: out of memory");
1042 (*db)->hdb_master_key_set = 0;
1043 (*db)->hdb_db = NULL;
1045 /* Setup the link to LDB */
1046 (*db)->hdb_db = samdb_connect(*db, system_session(db));
1047 if ((*db)->hdb_db == NULL) {
1048 krb5_warnx(context, "hdb_ldb_create: samdb_connect failed!");
1049 krb5_set_error_string(context, "samdb_connect failed!");
1051 return HDB_ERR_NOENTRY;
1054 (*db)->hdb_openp = 0;
1055 (*db)->hdb_open = LDB_open;
1056 (*db)->hdb_close = LDB_close;
1057 (*db)->hdb_fetch = LDB_fetch;
1058 (*db)->hdb_fetch_ex = LDB_fetch_ex;
1059 (*db)->hdb_store = LDB_store;
1060 (*db)->hdb_remove = LDB_remove;
1061 (*db)->hdb_firstkey = LDB_firstkey;
1062 (*db)->hdb_nextkey = LDB_nextkey;
1063 (*db)->hdb_lock = LDB_lock;
1064 (*db)->hdb_unlock = LDB_unlock;
1065 (*db)->hdb_rename = LDB_rename;
1066 /* we don't implement these, as we are not a lockable database */
1067 (*db)->hdb__get = NULL;
1068 (*db)->hdb__put = NULL;
1069 /* kadmin should not be used for deletes - use other tools instead */
1070 (*db)->hdb__del = NULL;
1071 (*db)->hdb_destroy = LDB_destroy;