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 "system/iconv.h"
43 { HDB_LDB_ENT_TYPE_CLIENT, HDB_LDB_ENT_TYPE_SERVER,
44 HDB_LDB_ENT_TYPE_KRBTGT, HDB_LDB_ENT_TYPE_ANY };
46 static const char * const krb5_attrs[] = {
53 "servicePrincipalName",
79 "msDS-KeyVersionNumber",
83 static KerberosTime ldb_msg_find_krb5time_ldap_time(struct ldb_message *msg, const char *attr, KerberosTime default_val)
89 gentime = ldb_msg_find_string(msg, attr, NULL);
93 tmp = strptime(gentime, "%Y%m%d%H%M%SZ", &tm);
101 static HDBFlags uf2HDBFlags(krb5_context context, int userAccountControl, enum hdb_ldb_ent_type ent_type)
103 HDBFlags flags = int2HDBFlags(0);
105 krb5_warnx(context, "uf2HDBFlags: userAccountControl: %08x\n", userAccountControl);
107 /* we don't allow kadmin deletes */
110 /* mark the principal as invalid to start with */
115 /* Account types - clear the invalid bit if it turns out to be valid */
116 if (userAccountControl & UF_NORMAL_ACCOUNT) {
117 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
123 if (userAccountControl & UF_INTERDOMAIN_TRUST_ACCOUNT) {
124 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
129 if (userAccountControl & UF_WORKSTATION_TRUST_ACCOUNT) {
130 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
133 if (ent_type == HDB_LDB_ENT_TYPE_SERVER || ent_type == HDB_LDB_ENT_TYPE_ANY) {
138 if (userAccountControl & UF_SERVER_TRUST_ACCOUNT) {
139 if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
142 if (ent_type == HDB_LDB_ENT_TYPE_SERVER || ent_type == HDB_LDB_ENT_TYPE_ANY) {
148 if (userAccountControl & UF_ACCOUNTDISABLE) {
151 if (userAccountControl & UF_LOCKOUT) {
155 if (userAccountControl & UF_PASSWORD_NOTREQD) {
160 if (userAccountControl & UF_PASSWORD_CANT_CHANGE) {
165 if (userAccountControl & UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED) {
169 if (userAccountControl & UF_TEMP_DUPLICATE_ACCOUNT) {
173 /* UF_DONT_EXPIRE_PASSWD handled in LDB_message2entry() */
176 if (userAccountControl & UF_MNS_LOGON_ACCOUNT) {
180 if (userAccountControl & UF_SMARTCARD_REQUIRED) {
181 flags.require_hwauth = 1;
183 if (flags.server && (userAccountControl & UF_TRUSTED_FOR_DELEGATION)) {
184 flags.forwardable = 1;
186 } else if (flags.client && (userAccountControl & UF_NOT_DELEGATED)) {
187 flags.forwardable = 0;
190 flags.forwardable = 1;
195 if (userAccountControl & UF_SMARTCARD_USE_DES_KEY_ONLY) {
199 if (userAccountControl & UF_DONT_REQUIRE_PREAUTH) {
200 flags.require_preauth = 0;
202 flags.require_preauth = 1;
206 krb5_warnx(context, "uf2HDBFlags: HDBFlags: %08x\n", HDBFlags2int(flags));
212 * Construct an hdb_entry from a directory entry.
214 static krb5_error_code LDB_message2entry(krb5_context context, HDB *db,
215 TALLOC_CTX *mem_ctx, krb5_const_principal principal,
216 enum hdb_ldb_ent_type ent_type, struct ldb_message *realm_msg,
217 struct ldb_message *msg,
220 const char *unicodePwd;
221 int userAccountControl;
223 krb5_error_code ret = 0;
224 const char *dnsdomain = ldb_msg_find_string(realm_msg, "dnsDomain", NULL);
225 char *realm = strupper_talloc(mem_ctx, dnsdomain);
228 krb5_set_error_string(context, "talloc_strdup: out of memory");
233 krb5_warnx(context, "LDB_message2entry:\n");
235 memset(ent, 0, sizeof(*ent));
237 userAccountControl = ldb_msg_find_int(msg, "userAccountControl", 0);
239 ent->principal = malloc(sizeof(*(ent->principal)));
240 if (ent_type == HDB_LDB_ENT_TYPE_ANY && principal == NULL) {
241 const char *samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
242 if (!samAccountName) {
243 krb5_set_error_string(context, "LDB_message2entry: no samAccountName present");
247 samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
248 krb5_make_principal(context, &ent->principal, realm, samAccountName, NULL);
251 ret = copy_Principal(principal, ent->principal);
253 krb5_clear_error_string(context);
257 /* While we have copied the client principal, tests
258 * show that Win2k3 returns the 'corrected' realm, not
259 * the client-specified realm. This code attempts to
260 * replace the client principal's realm with the one
261 * we determine from our records */
264 free(*krb5_princ_realm(context, ent->principal));
266 /* this has to be with malloc() */
267 strdup_realm = strdup(realm);
270 krb5_clear_error_string(context);
273 krb5_princ_set_realm(context, ent->principal, &strdup_realm);
276 ent->kvno = ldb_msg_find_int(msg, "msDS-KeyVersionNumber", 0);
278 ent->flags = uf2HDBFlags(context, userAccountControl, ent_type);
280 if (ent_type == HDB_LDB_ENT_TYPE_KRBTGT) {
281 ent->flags.invalid = 0;
282 ent->flags.server = 1;
285 /* use 'whenCreated' */
286 ent->created_by.time = ldb_msg_find_krb5time_ldap_time(msg, "whenCreated", 0);
288 ent->created_by.principal = NULL;
290 ent->modified_by = (Event *) malloc(sizeof(Event));
291 if (ent->modified_by == NULL) {
292 krb5_set_error_string(context, "malloc: out of memory");
297 /* use 'whenChanged' */
298 ent->modified_by->time = ldb_msg_find_krb5time_ldap_time(msg, "whenChanged", 0);
300 ent->modified_by->principal = NULL;
302 ent->valid_start = NULL;
304 ent->valid_end = NULL;
307 ent->max_life = NULL;
309 ent->max_renew = NULL;
311 ent->generation = NULL;
313 /* create the keys and enctypes */
314 unicodePwd = ldb_msg_find_string(msg, "unicodePwd", NULL);
316 /* Many, many thanks to lukeh@padl.com for this
317 * algorithm, described in his Nov 10 2004 mail to
318 * samba-technical@samba.org */
320 Principal *salt_principal;
321 const char *user_principal_name = ldb_msg_find_string(msg, "userPrincipalName", NULL);
322 struct ldb_message_element *objectclasses;
323 struct ldb_val computer_val;
324 computer_val.data = discard_const_p(uint8_t,"computer");
325 computer_val.length = strlen((const char *)computer_val.data);
327 objectclasses = ldb_msg_find_element(msg, "objectClass");
329 if (objectclasses && ldb_msg_find_val(objectclasses, &computer_val)) {
330 /* Determine a salting principal */
331 char *samAccountName = talloc_strdup(mem_ctx, ldb_msg_find_string(msg, "samAccountName", NULL));
333 if (!samAccountName) {
334 krb5_set_error_string(context, "LDB_message2entry: no samAccountName present");
338 if (samAccountName[strlen(samAccountName)-1] == '$') {
339 samAccountName[strlen(samAccountName)-1] = '\0';
341 saltbody = talloc_asprintf(mem_ctx, "%s.%s", samAccountName, dnsdomain);
343 ret = krb5_make_principal(context, &salt_principal, realm, "host", saltbody, NULL);
344 } else if (user_principal_name) {
346 user_principal_name = talloc_strdup(mem_ctx, user_principal_name);
347 if (!user_principal_name) {
351 p = strchr(user_principal_name, '@');
355 ret = krb5_make_principal(context, &salt_principal, realm, user_principal_name, NULL);
358 const char *samAccountName = ldb_msg_find_string(msg, "samAccountName", NULL);
359 ret = krb5_make_principal(context, &salt_principal, realm, samAccountName, NULL);
364 * create keys from unicodePwd
366 ret = hdb_generate_key_set_password(context, salt_principal,
368 &ent->keys.val, &ent->keys.len);
369 krb5_free_principal(context, salt_principal);
373 krb5_warnx(context, "could not generate keys from unicodePwd\n");
374 ent->keys.val = NULL;
379 const struct ldb_val *val;
382 val = ldb_msg_find_ldb_val(msg, "ntPwdHash");
384 krb5_warnx(context, "neither type of key available for this account\n");
385 ent->keys.val = NULL;
387 } else if (val->length < 16) {
388 ent->keys.val = NULL;
390 krb5_warnx(context, "ntPwdHash has invalid length: %d\n",val->length);
392 ret = krb5_data_alloc (&keyvalue, 16);
394 krb5_set_error_string(context, "malloc: out of memory");
399 memcpy(keyvalue.data, val->data, 16);
401 ent->keys.val = malloc(sizeof(ent->keys.val[0]));
402 if (ent->keys.val == NULL) {
403 krb5_data_free(&keyvalue);
404 krb5_set_error_string(context, "malloc: out of memory");
409 memset(&ent->keys.val[0], 0, sizeof(Key));
410 ent->keys.val[0].key.keytype = ETYPE_ARCFOUR_HMAC_MD5;
411 ent->keys.val[0].key.keyvalue = keyvalue;
418 ent->etypes = malloc(sizeof(*(ent->etypes)));
419 if (ent->etypes == NULL) {
420 krb5_set_error_string(context, "malloc: out of memory");
424 ent->etypes->len = ent->keys.len;
425 ent->etypes->val = calloc(ent->etypes->len, sizeof(int));
426 if (ent->etypes->val == NULL) {
427 krb5_set_error_string(context, "malloc: out of memory");
431 for (i=0; i < ent->etypes->len; i++) {
432 ent->etypes->val[i] = ent->keys.val[i].key.keytype;
437 /* I don't think this frees ent itself. */
438 hdb_free_entry(context, ent);
444 static krb5_error_code LDB_lookup_principal(krb5_context context, struct ldb_context *ldb_ctx,
446 krb5_const_principal principal,
447 enum hdb_ldb_ent_type ent_type,
448 const char *realm_dn,
449 struct ldb_message ***pmsg)
454 const char * const *princ_attrs = krb5_attrs;
458 char *princ_str_talloc;
461 struct ldb_message **msg;
463 /* Structure assignment, so we don't mess with the source parameter */
464 struct Principal princ = *principal;
466 /* Allow host/dns.name/realm@REALM, just convert into host/dns.name@REALM */
467 if (princ.name.name_string.len == 3
468 && StrCaseCmp(princ.name.name_string.val[2], princ.realm) == 0) {
469 princ.name.name_string.len = 2;
472 ret = krb5_unparse_name(context, &princ, &princ_str);
475 krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
476 krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
480 princ_str_talloc = talloc_strdup(mem_ctx, princ_str);
481 short_princ = talloc_strdup(mem_ctx, princ_str);
483 if (!short_princ || !princ_str_talloc) {
484 krb5_set_error_string(context, "LDB_lookup_principal: talloc_strdup() failed!");
488 p = strchr(short_princ, '@');
495 case HDB_LDB_ENT_TYPE_KRBTGT:
496 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
499 case HDB_LDB_ENT_TYPE_CLIENT:
500 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(samAccountName=%s)(userPrincipalName=%s)))",
501 short_princ, princ_str_talloc);
503 case HDB_LDB_ENT_TYPE_SERVER:
504 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(samAccountName=%s)(servicePrincipalName=%s)))",
505 short_princ, short_princ);
507 case HDB_LDB_ENT_TYPE_ANY:
508 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(|(samAccountName=%s)(servicePrincipalName=%s))(userPrincipalName=%s)))",
509 short_princ, short_princ, princ_str_talloc);
514 krb5_set_error_string(context, "talloc_asprintf: out of memory");
518 count = ldb_search(ldb_ctx, realm_dn, LDB_SCOPE_SUBTREE, filter,
521 *pmsg = talloc_steal(mem_ctx, msg);
523 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' failed: %d",
524 realm_dn, filter, count);
525 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' failed: %d",
526 realm_dn, filter, count);
527 return HDB_ERR_NOENTRY;
528 } else if (count > 1) {
529 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
530 realm_dn, filter, count);
531 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
532 realm_dn, filter, count);
533 return HDB_ERR_NOENTRY;
538 static krb5_error_code LDB_lookup_realm(krb5_context context, struct ldb_context *ldb_ctx,
541 struct ldb_message ***pmsg)
544 const char *realm_dn;
545 char *cross_ref_filter;
546 struct ldb_message **cross_ref_msg;
547 struct ldb_message **msg;
549 const char *cross_ref_attrs[] = {
554 const char *realm_attrs[] = {
560 cross_ref_filter = talloc_asprintf(mem_ctx,
561 "(&(&(|(&(dnsRoot=%s)(nETBIOSName=*))(nETBIOSName=%s))(objectclass=crossRef))(ncName=*))",
563 if (!cross_ref_filter) {
564 krb5_set_error_string(context, "asprintf: out of memory");
568 count = ldb_search(ldb_ctx, NULL, LDB_SCOPE_SUBTREE, cross_ref_filter,
569 cross_ref_attrs, &cross_ref_msg);
572 krb5_warnx(context, "ldb_search: filter: '%s' failed: %d", cross_ref_filter, count);
573 krb5_set_error_string(context, "ldb_search: filter: '%s' failed: %d", cross_ref_filter, count);
575 talloc_free(cross_ref_msg);
576 return HDB_ERR_NOENTRY;
577 } else if (count > 1) {
578 krb5_warnx(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, count);
579 krb5_set_error_string(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, count);
581 talloc_free(cross_ref_msg);
582 return HDB_ERR_NOENTRY;
585 realm_dn = ldb_msg_find_string(cross_ref_msg[0], "nCName", NULL);
587 count = ldb_search(ldb_ctx, realm_dn, LDB_SCOPE_BASE, "(objectClass=domain)",
590 *pmsg = talloc_steal(mem_ctx, msg);
596 krb5_warnx(context, "ldb_search: dn: %s not found: %d", realm_dn, count);
597 krb5_set_error_string(context, "ldb_search: dn: %s not found: %d", realm_dn, count);
598 return HDB_ERR_NOENTRY;
599 } else if (count > 1) {
600 krb5_warnx(context, "ldb_search: dn: '%s' more than 1 entry: %d", realm_dn, count);
601 krb5_set_error_string(context, "ldb_search: dn: %s more than 1 entry: %d", realm_dn, count);
602 return HDB_ERR_NOENTRY;
608 static krb5_error_code LDB_lookup_spn_alias(krb5_context context, struct ldb_context *ldb_ctx,
610 const char *realm_dn,
611 const char *alias_from,
616 struct ldb_message **msg;
617 struct ldb_message_element *spnmappings;
618 char *service_dn = talloc_asprintf(mem_ctx,
619 "CN=Directory Service,CN=Windows NT,CN=Services,CN=Configuration,%s",
621 const char *directory_attrs[] = {
626 count = ldb_search(ldb_ctx, service_dn, LDB_SCOPE_BASE, "(objectClass=nTDSService)",
627 directory_attrs, &msg);
628 talloc_steal(mem_ctx, msg);
631 krb5_warnx(context, "ldb_search: dn: %s not found: %d", service_dn, count);
632 krb5_set_error_string(context, "ldb_search: dn: %s not found: %d", service_dn, count);
633 return HDB_ERR_NOENTRY;
634 } else if (count > 1) {
635 krb5_warnx(context, "ldb_search: dn: %s found %d times!", service_dn, count);
636 krb5_set_error_string(context, "ldb_search: dn: %s found %d times!", service_dn, count);
637 return HDB_ERR_NOENTRY;
640 spnmappings = ldb_msg_find_element(msg[0], "sPNMappings");
641 if (!spnmappings || spnmappings->num_values == 0) {
642 krb5_warnx(context, "ldb_search: dn: %s no sPNMappings attribute", service_dn);
643 krb5_set_error_string(context, "ldb_search: dn: %s no sPNMappings attribute", service_dn);
646 for (i = 0; i < spnmappings->num_values; i++) {
647 char *mapping, *p, *str;
648 mapping = talloc_strdup(mem_ctx,
649 (const char *)spnmappings->values[i].data);
651 krb5_warnx(context, "LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping", service_dn);
652 krb5_set_error_string(context, "LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping", service_dn);
653 return HDB_ERR_NOENTRY;
656 /* C string manipulation sucks */
658 p = strchr(mapping, '=');
660 krb5_warnx(context, "ldb_search: dn: %s sPNMapping malformed: %s",
661 service_dn, mapping);
662 krb5_set_error_string(context, "ldb_search: dn: %s sPNMapping malformed: %s",
663 service_dn, mapping);
674 if (strcasecmp(str, alias_from) == 0) {
680 krb5_warnx(context, "LDB_lookup_spn_alias: no alias for service %s applicable", alias_from);
681 return HDB_ERR_NOENTRY;
684 static krb5_error_code LDB_open(krb5_context context, HDB *db, int flags, mode_t mode)
686 if (db->hdb_master_key_set) {
687 krb5_warnx(context, "LDB_open: use of a master key incompatible with LDB\n");
688 krb5_set_error_string(context, "LDB_open: use of a master key incompatible with LDB\n");
689 return HDB_ERR_NOENTRY;
695 static krb5_error_code LDB_close(krb5_context context, HDB *db)
700 static krb5_error_code LDB_lock(krb5_context context, HDB *db, int operation)
705 static krb5_error_code LDB_unlock(krb5_context context, HDB *db)
710 static krb5_error_code LDB_rename(krb5_context context, HDB *db, const char *new_name)
712 return HDB_ERR_DB_INUSE;
715 static krb5_error_code LDB_fetch(krb5_context context, HDB *db, unsigned flags,
716 krb5_const_principal principal,
717 enum hdb_ent_type ent_type,
720 struct ldb_message **msg = NULL;
721 struct ldb_message **realm_msg = NULL;
722 struct ldb_message **realm_fixed_msg = NULL;
723 enum hdb_ldb_ent_type ldb_ent_type;
727 const char *realm_dn;
728 TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "LDB_fetch context\n");
731 krb5_set_error_string(context, "LDB_fetch: talloc_named() failed!");
735 realm = krb5_principal_get_realm(context, principal);
737 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
738 mem_ctx, realm, &realm_msg);
740 krb5_warnx(context, "LDB_fetch: could not find realm\n");
741 talloc_free(mem_ctx);
742 return HDB_ERR_NOENTRY;
745 realm_dn = realm_msg[0]->dn;
747 /* Cludge, cludge cludge. If the realm part of krbtgt/realm,
748 * is in our db, then direct the caller at our primary
752 case HDB_ENT_TYPE_SERVER:
753 if (principal->name.name_string.len == 2
754 && (strcmp(principal->name.name_string.val[0], KRB5_TGS_NAME) == 0)
755 && (LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
756 mem_ctx, principal->name.name_string.val[1], &realm_fixed_msg) == 0)) {
757 const char *dnsdomain = ldb_msg_find_string(realm_fixed_msg[0], "dnsDomain", NULL);
758 char *realm_fixed = strupper_talloc(mem_ctx, dnsdomain);
760 krb5_set_error_string(context, "strupper_talloc: out of memory");
761 talloc_free(mem_ctx);
765 free(principal->name.name_string.val[1]);
766 principal->name.name_string.val[1] = strdup(realm_fixed);
767 talloc_free(realm_fixed);
768 if (!principal->name.name_string.val[1]) {
769 krb5_set_error_string(context, "LDB_fetch: strdup() failed!");
770 talloc_free(mem_ctx);
773 ldb_ent_type = HDB_LDB_ENT_TYPE_KRBTGT;
775 ldb_ent_type = HDB_LDB_ENT_TYPE_SERVER;
778 case HDB_ENT_TYPE_CLIENT:
779 ldb_ent_type = HDB_LDB_ENT_TYPE_CLIENT;
781 case HDB_ENT_TYPE_ANY:
782 ldb_ent_type = HDB_LDB_ENT_TYPE_ANY;
786 ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
788 principal, ldb_ent_type, realm_dn, &msg);
791 char *alias_from = principal->name.name_string.val[0];
793 Principal alias_principal;
795 /* Try again with a servicePrincipal alias */
796 if (ent_type != HDB_LDB_ENT_TYPE_SERVER && ent_type != HDB_LDB_ENT_TYPE_ANY) {
797 talloc_free(mem_ctx);
800 if (principal->name.name_string.len < 2) {
801 krb5_warnx(context, "LDB_fetch: could not find principal in DB, alias not applicable");
802 krb5_set_error_string(context, "LDB_fetch: could not find principal in DB, alias not applicable");
803 talloc_free(mem_ctx);
807 /* Look for the list of aliases */
808 ret = LDB_lookup_spn_alias(context,
809 (struct ldb_context *)db->hdb_db, mem_ctx,
810 realm_dn, alias_from,
813 talloc_free(mem_ctx);
817 ret = copy_Principal(principal, &alias_principal);
819 krb5_warnx(context, "LDB_fetch: could not copy principal");
820 krb5_set_error_string(context, "LDB_fetch: could not copy principal");
821 talloc_free(mem_ctx);
825 /* ooh, very nasty playing around in the Principal... */
826 free(alias_principal.name.name_string.val[0]);
827 alias_principal.name.name_string.val[0] = strdup(alias_to);
828 if (!alias_principal.name.name_string.val[0]) {
829 krb5_warnx(context, "LDB_fetch: strdup() failed");
830 krb5_set_error_string(context, "LDB_fetch: strdup() failed");
832 talloc_free(mem_ctx);
833 free_Principal(&alias_principal);
837 ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
839 &alias_principal, ent_type, realm_dn, &msg);
840 free_Principal(&alias_principal);
843 krb5_warnx(context, "LDB_fetch: could not find alias principal in DB");
844 krb5_set_error_string(context, "LDB_fetch: could not find alias principal in DB");
845 talloc_free(mem_ctx);
851 ret = LDB_message2entry(context, db, mem_ctx,
852 principal, ldb_ent_type,
853 realm_msg[0], msg[0], entry);
855 krb5_warnx(context, "LDB_fetch: message2entry failed\n");
859 talloc_free(mem_ctx);
863 static krb5_error_code LDB_store(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
865 return HDB_ERR_DB_INUSE;
868 static krb5_error_code LDB_remove(krb5_context context, HDB *db, hdb_entry *entry)
870 return HDB_ERR_DB_INUSE;
874 struct ldb_context *ctx;
877 struct ldb_message **msgs;
878 struct ldb_message **realm_msgs;
881 static krb5_error_code LDB_seq(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
884 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
887 return HDB_ERR_NOENTRY;
890 mem_ctx = talloc_named(priv, 0, "LDB_seq context");
893 krb5_set_error_string(context, "LDB_seq: talloc_named() failed!");
897 if (priv->index < priv->count) {
898 ret = LDB_message2entry(context, db, mem_ctx,
899 NULL, HDB_LDB_ENT_TYPE_ANY,
900 priv->realm_msgs[0], priv->msgs[priv->index++], entry);
902 ret = HDB_ERR_NOENTRY;
907 db->hdb_openp = NULL;
909 talloc_free(mem_ctx);
915 static krb5_error_code LDB_firstkey(krb5_context context, HDB *db, unsigned flags,
918 struct ldb_context *ldb_ctx = (struct ldb_context *)db->hdb_db;
919 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
921 char *realm_dn = NULL;
922 struct ldb_message **msgs = NULL;
923 struct ldb_message **realm_msgs = NULL;
932 priv = (struct hdb_ldb_seq *) talloc(db, struct hdb_ldb_seq);
934 krb5_set_error_string(context, "talloc: out of memory");
941 priv->realm_msgs = NULL;
944 mem_ctx = talloc_named(priv, 0, "LDB_firstkey context");
947 krb5_set_error_string(context, "LDB_firstkey: talloc_named() failed!");
951 ret = krb5_get_default_realm(context, &realm);
957 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
958 mem_ctx, realm, &realm_msgs);
964 krb5_warnx(context, "LDB_firstkey: could not find realm\n");
965 return HDB_ERR_NOENTRY;
968 realm_dn = realm_msgs[0]->dn;
970 priv->realm_msgs = talloc_steal(priv, realm_msgs);
972 krb5_warnx(context, "LDB_firstkey: realm ok\n");
974 priv->count = ldb_search(ldb_ctx, realm_dn,
975 LDB_SCOPE_SUBTREE, "(objectClass=user)",
978 priv->msgs = talloc_steal(priv, msgs);
980 if (priv->count <= 0) {
982 return HDB_ERR_NOENTRY;
985 db->hdb_openp = priv;
987 ret = LDB_seq(context, db, flags, entry);
991 db->hdb_openp = NULL;
993 talloc_free(mem_ctx);
998 static krb5_error_code LDB_nextkey(krb5_context context, HDB *db, unsigned flags,
1001 return LDB_seq(context, db, flags, entry);
1004 static krb5_error_code LDB_destroy(krb5_context context, HDB *db)
1010 krb5_error_code hdb_ldb_create(TALLOC_CTX *mem_ctx,
1011 krb5_context context, struct HDB **db, const char *arg)
1013 *db = talloc(mem_ctx, HDB);
1015 krb5_set_error_string(context, "malloc: out of memory");
1019 (*db)->hdb_master_key_set = 0;
1020 (*db)->hdb_db = NULL;
1022 /* Setup the link to LDB */
1023 (*db)->hdb_db = samdb_connect(db);
1024 if ((*db)->hdb_db == NULL) {
1025 krb5_warnx(context, "hdb_ldb_create: samdb_connect failed!");
1026 krb5_set_error_string(context, "samdb_connect failed!");
1028 return HDB_ERR_NOENTRY;
1031 (*db)->hdb_openp = 0;
1032 (*db)->hdb_open = LDB_open;
1033 (*db)->hdb_close = LDB_close;
1034 (*db)->hdb_fetch = LDB_fetch;
1035 (*db)->hdb_store = LDB_store;
1036 (*db)->hdb_remove = LDB_remove;
1037 (*db)->hdb_firstkey = LDB_firstkey;
1038 (*db)->hdb_nextkey = LDB_nextkey;
1039 (*db)->hdb_lock = LDB_lock;
1040 (*db)->hdb_unlock = LDB_unlock;
1041 (*db)->hdb_rename = LDB_rename;
1042 /* we don't implement these, as we are not a lockable database */
1043 (*db)->hdb__get = NULL;
1044 (*db)->hdb__put = NULL;
1045 /* kadmin should not be used for deletes - use other tools instead */
1046 (*db)->hdb__del = NULL;
1047 (*db)->hdb_destroy = LDB_destroy;