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 static const char * const krb5_attrs[] = {
50 "servicePrincipalName",
76 "msDS-KeyVersionNumber",
80 static KerberosTime ldb_msg_find_krb5time_ldap_time(struct ldb_message *msg, const char *attr, KerberosTime default_val)
86 gentime = ldb_msg_find_string(msg, attr, NULL);
90 tmp = strptime(gentime, "%Y%m%d%H%M%SZ", &tm);
98 static HDBFlags uf2HDBFlags(krb5_context context, int userAccountControl, enum hdb_ent_type ent_type)
100 HDBFlags flags = int2HDBFlags(0);
102 krb5_warnx(context, "uf2HDBFlags: userAccountControl: %08x\n", userAccountControl);
104 /* we don't allow kadmin deletes */
107 /* mark the principal as invalid to start with */
110 /* Account types - clear the invalid bit if it turns out to be valid */
111 if (userAccountControl & UF_NORMAL_ACCOUNT) {
112 if (ent_type == HDB_ENT_TYPE_CLIENT || ent_type == HDB_ENT_TYPE_ENUM) {
118 if (userAccountControl & UF_INTERDOMAIN_TRUST_ACCOUNT) {
119 if (ent_type == HDB_ENT_TYPE_CLIENT || ent_type == HDB_ENT_TYPE_ENUM) {
124 if (userAccountControl & UF_WORKSTATION_TRUST_ACCOUNT) {
125 if (ent_type == HDB_ENT_TYPE_CLIENT || ent_type == HDB_ENT_TYPE_ENUM) {
128 if (ent_type == HDB_ENT_TYPE_SERVER || ent_type == HDB_ENT_TYPE_ENUM) {
133 if (userAccountControl & UF_SERVER_TRUST_ACCOUNT) {
134 if (ent_type == HDB_ENT_TYPE_CLIENT || ent_type == HDB_ENT_TYPE_ENUM) {
137 if (ent_type == HDB_ENT_TYPE_SERVER || ent_type == HDB_ENT_TYPE_ENUM) {
143 if (userAccountControl & UF_ACCOUNTDISABLE) {
146 if (userAccountControl & UF_LOCKOUT) {
150 if (userAccountControl & UF_PASSWORD_NOTREQD) {
155 if (userAccountControl & UF_PASSWORD_CANT_CHANGE) {
160 if (userAccountControl & UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED) {
164 if (userAccountControl & UF_TEMP_DUPLICATE_ACCOUNT) {
168 /* UF_DONT_EXPIRE_PASSWD handled in LDB_message2entry() */
171 if (userAccountControl & UF_MNS_LOGON_ACCOUNT) {
175 if (userAccountControl & UF_SMARTCARD_REQUIRED) {
176 flags.require_hwauth = 1;
178 if (flags.server && (userAccountControl & UF_TRUSTED_FOR_DELEGATION)) {
179 flags.forwardable = 1;
181 } else if (flags.client && (userAccountControl & UF_NOT_DELEGATED)) {
182 flags.forwardable = 0;
185 flags.forwardable = 1;
190 if (userAccountControl & UF_SMARTCARD_USE_DES_KEY_ONLY) {
194 if (userAccountControl & UF_DONT_REQUIRE_PREAUTH) {
195 flags.require_preauth = 0;
197 flags.require_preauth = 1;
201 krb5_warnx(context, "uf2HDBFlags: HDBFlags: %08x\n", HDBFlags2int(flags));
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_ent_type ent_type, struct ldb_message *realm_msg,
212 struct ldb_message *msg,
215 const char *unicodePwd;
216 int userAccountControl;
218 krb5_error_code ret = 0;
219 const char *dnsdomain = ldb_msg_find_string(realm_msg, "dnsDomain", NULL);
220 char *realm = talloc_strdup(mem_ctx, dnsdomain);
223 krb5_set_error_string(context, "talloc_strdup: out of memory");
228 /* TODO: Use Samba charset functions */
229 for (i=0; i< strlen(realm); i++) {
230 realm[i] = toupper(realm[i]);
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_ENT_TYPE_ENUM && 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_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 = "computer";
325 computer_val.length = strlen(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_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 ret = krb5_unparse_name(context, principal, &princ_str);
466 krb5_set_error_string(context, "LDB_lookup_principal: could not parse principal");
467 krb5_warnx(context, "LDB_lookup_principal: could not parse principal");
471 princ_str_talloc = talloc_strdup(mem_ctx, princ_str);
472 short_princ = talloc_strdup(mem_ctx, princ_str);
474 if (!short_princ || !princ_str_talloc) {
475 krb5_set_error_string(context, "LDB_lookup_principal: talloc_strdup() failed!");
479 p = strchr(short_princ, '@');
486 case HDB_ENT_TYPE_KRBTGT:
487 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
490 case HDB_ENT_TYPE_CLIENT:
491 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(samAccountName=%s)(userPrincipalName=%s)))",
492 short_princ, princ_str_talloc);
494 case HDB_ENT_TYPE_SERVER:
495 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(samAccountName=%s)(servicePrincipalName=%s)))",
496 short_princ, short_princ);
498 case HDB_ENT_TYPE_ENUM:
499 filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(|(|(samAccountName=%s)(servicePrincipalName=%s))(userPrincipalName=%s)))",
500 short_princ, short_princ, princ_str_talloc);
505 krb5_set_error_string(context, "talloc_asprintf: out of memory");
509 count = ldb_search(ldb_ctx, realm_dn, LDB_SCOPE_SUBTREE, filter,
512 *pmsg = talloc_steal(mem_ctx, msg);
514 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' failed: %d",
515 realm_dn, filter, count);
516 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' failed: %d",
517 realm_dn, filter, count);
518 return HDB_ERR_NOENTRY;
519 } else if (count > 1) {
520 krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
521 realm_dn, filter, count);
522 krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
523 realm_dn, filter, count);
524 return HDB_ERR_NOENTRY;
529 static krb5_error_code LDB_lookup_realm(krb5_context context, struct ldb_context *ldb_ctx,
532 struct ldb_message ***pmsg)
535 const char *realm_dn;
536 char *cross_ref_filter;
537 struct ldb_message **cross_ref_msg;
538 struct ldb_message **msg;
540 const char *cross_ref_attrs[] = {
545 const char *realm_attrs[] = {
551 cross_ref_filter = talloc_asprintf(mem_ctx,
552 "(&(&(|(&(dnsRoot=%s)(nETBIOSName=*))(nETBIOSName=%s))(objectclass=crossRef))(ncName=*))",
554 if (!cross_ref_filter) {
555 krb5_set_error_string(context, "asprintf: out of memory");
559 count = ldb_search(ldb_ctx, NULL, LDB_SCOPE_SUBTREE, cross_ref_filter,
560 cross_ref_attrs, &cross_ref_msg);
563 krb5_warnx(context, "ldb_search: filter: '%s' failed: %d", cross_ref_filter, count);
564 krb5_set_error_string(context, "ldb_search: filter: '%s' failed: %d", cross_ref_filter, count);
566 talloc_free(cross_ref_msg);
567 return HDB_ERR_NOENTRY;
568 } else if (count > 1) {
569 krb5_warnx(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, count);
570 krb5_set_error_string(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, count);
572 talloc_free(cross_ref_msg);
573 return HDB_ERR_NOENTRY;
576 realm_dn = ldb_msg_find_string(cross_ref_msg[0], "nCName", NULL);
578 count = ldb_search(ldb_ctx, realm_dn, LDB_SCOPE_BASE, "(objectClass=domain)",
581 *pmsg = talloc_steal(mem_ctx, msg);
587 krb5_warnx(context, "ldb_search: dn: %s not found: %d", realm_dn, count);
588 krb5_set_error_string(context, "ldb_search: dn: %s not found: %d", realm_dn, count);
589 return HDB_ERR_NOENTRY;
590 } else if (count > 1) {
591 krb5_warnx(context, "ldb_search: dn: '%s' more than 1 entry: %d", realm_dn, count);
592 krb5_set_error_string(context, "ldb_search: dn: %s more than 1 entry: %d", realm_dn, count);
593 return HDB_ERR_NOENTRY;
599 static krb5_error_code LDB_lookup_spn_alias(krb5_context context, struct ldb_context *ldb_ctx,
601 const char *realm_dn,
602 const char *alias_from,
607 struct ldb_message **msg;
608 struct ldb_message_element *spnmappings;
609 char *service_dn = talloc_asprintf(mem_ctx,
610 "CN=Directory Service,CN=Windows NT,CN=Services,CN=Configuration,%s",
612 const char *directory_attrs[] = {
617 count = ldb_search(ldb_ctx, service_dn, LDB_SCOPE_BASE, "(objectClass=nTDSService)",
618 directory_attrs, &msg);
619 talloc_steal(mem_ctx, msg);
622 krb5_warnx(context, "ldb_search: dn: %s not found: %d", service_dn, count);
623 krb5_set_error_string(context, "ldb_search: dn: %s not found: %d", service_dn, count);
624 return HDB_ERR_NOENTRY;
625 } else if (count > 1) {
626 krb5_warnx(context, "ldb_search: dn: %s found %d times!", service_dn, count);
627 krb5_set_error_string(context, "ldb_search: dn: %s found %d times!", service_dn, count);
628 return HDB_ERR_NOENTRY;
631 spnmappings = ldb_msg_find_element(msg[0], "sPNMappings");
632 if (!spnmappings || spnmappings->num_values == 0) {
633 krb5_warnx(context, "ldb_search: dn: %s no sPNMappings attribute", service_dn);
634 krb5_set_error_string(context, "ldb_search: dn: %s no sPNMappings attribute", service_dn);
637 for (i = 0; i < spnmappings->num_values; i++) {
638 char *mapping, *p, *str;
639 mapping = talloc_strdup(mem_ctx,
640 spnmappings->values[i].data);
642 krb5_warnx(context, "LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping", service_dn);
643 krb5_set_error_string(context, "LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping", service_dn);
644 return HDB_ERR_NOENTRY;
647 /* C string manipulation sucks */
649 p = strchr(mapping, '=');
651 krb5_warnx(context, "ldb_search: dn: %s sPNMapping malformed: %s",
652 service_dn, mapping);
653 krb5_set_error_string(context, "ldb_search: dn: %s sPNMapping malformed: %s",
654 service_dn, mapping);
665 if (strcasecmp(str, alias_from) == 0) {
666 krb5_warnx(context, "LDB_lookup_spn_alias: got alias %s for service %s",
667 mapping, alias_from);
673 krb5_warnx(context, "LDB_lookup_spn_alias: no alias for service %s applicable", alias_from);
674 return HDB_ERR_NOENTRY;
677 static krb5_error_code LDB_open(krb5_context context, HDB *db, int flags, mode_t mode)
679 struct ldb_context *sam_db;
681 if (db->hdb_master_key_set) {
682 krb5_warnx(context, "LDB_open: use of a master key incompatible with LDB\n");
683 krb5_set_error_string(context, "LDB_open: use of a master key incompatible with LDB\n");
684 return HDB_ERR_NOENTRY;
687 /* in future, we could cache the connect here, but for now KISS */
689 sam_db = ldb_connect(db->hdb_name, 0, NULL);
690 if (sam_db == NULL) {
691 krb5_warnx(context, "LDB_open: hdb_name '%s' failed\n",db->hdb_name);
692 krb5_set_error_string(context, "ldb_connect(%s, 0, NULL) failed!", db->hdb_name);
693 return HDB_ERR_NOENTRY;
696 db->hdb_db = talloc_steal(db, sam_db);
698 krb5_warnx(context, "LDB_open: hdb_name '%s' ok\n",db->hdb_name);
703 static krb5_error_code LDB_close(krb5_context context, HDB *db)
705 talloc_free(db->hdb_db);
710 static krb5_error_code LDB_lock(krb5_context context, HDB *db, int operation)
715 static krb5_error_code LDB_unlock(krb5_context context, HDB *db)
720 static krb5_error_code LDB_rename(krb5_context context, HDB *db, const char *new_name)
722 return HDB_ERR_DB_INUSE;
725 static krb5_error_code LDB_fetch(krb5_context context, HDB *db, unsigned flags,
726 krb5_const_principal principal,
727 enum hdb_ent_type ent_type,
730 struct ldb_message **msg = NULL;
731 struct ldb_message **realm_msg = NULL;
735 const char *realm_dn;
736 TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "LDB_fetch context\n");
739 krb5_set_error_string(context, "LDB_fetch: talloc_named() failed!");
743 realm = krb5_principal_get_realm(context, principal);
745 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
746 mem_ctx, realm, &realm_msg);
748 krb5_warnx(context, "LDB_fetch: could not find realm\n");
749 talloc_free(mem_ctx);
750 return HDB_ERR_NOENTRY;
753 realm_dn = realm_msg[0]->dn;
755 /* Cludge, cludge cludge. If the realm part of krbtgt/realm,
756 * is in our db, then direct the caller at our primary
758 if (ent_type != HDB_ENT_TYPE_KRBTGT
759 && principal->name.name_string.len == 2
760 && (strcmp(principal->name.name_string.val[0], KRB5_TGS_NAME) == 0)
761 && (LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
762 mem_ctx, principal->name.name_string.val[1], NULL) == 0)) {
763 ent_type = HDB_ENT_TYPE_KRBTGT;
766 ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
768 principal, ent_type, realm_dn, &msg);
771 char *alias_from = principal->name.name_string.val[0];
773 Principal alias_principal;
775 /* Try again with a servicePrincipal alias */
776 if (ent_type != HDB_ENT_TYPE_SERVER && ent_type != HDB_ENT_TYPE_ENUM) {
777 talloc_free(mem_ctx);
780 if (principal->name.name_string.len < 2) {
781 krb5_warnx(context, "LDB_fetch: could not find principal in DB, alias not applicable");
782 krb5_set_error_string(context, "LDB_fetch: could not find principal in DB, alias not applicable");
783 talloc_free(mem_ctx);
787 /* Look for the list of aliases */
788 ret = LDB_lookup_spn_alias(context,
789 (struct ldb_context *)db->hdb_db, mem_ctx,
790 realm_dn, alias_from,
793 talloc_free(mem_ctx);
797 ret = copy_Principal(principal, &alias_principal);
799 krb5_warnx(context, "LDB_fetch: could not copy principal");
800 krb5_set_error_string(context, "LDB_fetch: could not copy principal");
801 talloc_free(mem_ctx);
805 /* ooh, very nasty playing around in the Principal... */
806 free(alias_principal.name.name_string.val[0]);
807 alias_principal.name.name_string.val[0] = strdup(alias_to);
808 if (!alias_principal.name.name_string.val[0]) {
809 krb5_warnx(context, "LDB_fetch: strdup() failed");
810 krb5_set_error_string(context, "LDB_fetch: strdup() failed");
812 talloc_free(mem_ctx);
816 ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
818 &alias_principal, ent_type, realm_dn, &msg);
820 krb5_warnx(context, "LDB_fetch: could not find alias principal in DB");
821 krb5_set_error_string(context, "LDB_fetch: could not find alias principal in DB");
822 talloc_free(mem_ctx);
828 ret = LDB_message2entry(context, db, mem_ctx,
830 realm_msg[0], msg[0], entry);
832 krb5_warnx(context, "LDB_fetch: message2entry failed\n");
833 #if 0 /* master key support removed */
835 if (db->hdb_master_key_set && (!(flags & HDB_F_DECRYPT))) {
836 ret = hdb_seal_keys(context, db, entry);
842 talloc_free(mem_ctx);
846 static krb5_error_code LDB_store(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
848 return HDB_ERR_DB_INUSE;
851 static krb5_error_code LDB_remove(krb5_context context, HDB *db, hdb_entry *entry)
853 return HDB_ERR_DB_INUSE;
857 struct ldb_context *ctx;
860 struct ldb_message **msgs;
861 struct ldb_message **realm_msgs;
864 static krb5_error_code LDB_seq(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
867 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
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_ENT_TYPE_ENUM,
883 priv->realm_msgs[0], priv->msgs[priv->index++], entry);
885 ret = HDB_ERR_NOENTRY;
890 db->hdb_openp = NULL;
891 #if 0 /* master key support removed */
893 if (db->hdb_master_key_set && (flags & HDB_F_DECRYPT)) {
894 ret = hdb_unseal_keys(context, db, entry);
896 hdb_free_entry(context,entry);
901 talloc_free(mem_ctx);
907 static krb5_error_code LDB_firstkey(krb5_context context, HDB *db, unsigned flags,
910 struct ldb_context *ldb_ctx = (struct ldb_context *)db->hdb_db;
911 struct hdb_ldb_seq *priv = (struct hdb_ldb_seq *)db->hdb_openp;
913 char *realm_dn = NULL;
914 struct ldb_message **msgs = NULL;
915 struct ldb_message **realm_msgs = NULL;
924 priv = (struct hdb_ldb_seq *) talloc(db, struct hdb_ldb_seq);
926 krb5_set_error_string(context, "talloc: out of memory");
933 priv->realm_msgs = NULL;
936 mem_ctx = talloc_named(priv, 0, "LDB_firstkey context");
939 krb5_set_error_string(context, "LDB_firstkey: talloc_named() failed!");
943 ret = krb5_get_default_realm(context, &realm);
949 ret = LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
950 mem_ctx, realm, &realm_msgs);
956 krb5_warnx(context, "LDB_fetch: could not find realm\n");
957 return HDB_ERR_NOENTRY;
960 realm_dn = realm_msgs[0]->dn;
962 priv->realm_msgs = talloc_steal(priv, realm_msgs);
964 krb5_warnx(context, "LDB_lookup_principal: realm ok\n");
966 priv->count = ldb_search(ldb_ctx, realm_dn,
967 LDB_SCOPE_SUBTREE, "(objectClass=user)",
970 priv->msgs = talloc_steal(priv, msgs);
972 if (priv->count <= 0) {
974 return HDB_ERR_NOENTRY;
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 #if 0 /* no way to easily get context here, and we don't want to use master keys anyway */
997 static int LDB_db_destructor(void *ptr)
999 HDB *db = talloc_get_type(ptr, HDB);
1000 hdb_clear_master_key(context, db);
1005 static krb5_error_code LDB_destroy(krb5_context context, HDB *db)
1011 krb5_error_code hdb_ldb_create(krb5_context context, struct HDB **db, const char *arg)
1013 *db = talloc(NULL, HDB);
1015 krb5_set_error_string(context, "malloc: out of memory");
1019 (*db)->hdb_master_key_set = 0;
1020 (*db)->hdb_db = NULL;
1022 talloc_set_destructor(*db, LDB_db_destructor);
1024 if (!arg || arg[0] == '\0') {
1026 krb5_set_error_string(context, "hdb_ldb_create: no db name specified");
1029 (*db)->hdb_name = talloc_strdup(*db, arg);
1030 if ((*db)->hdb_name == NULL) {
1031 krb5_set_error_string(context, "strdup: out of memory");
1038 (*db)->hdb_openp = 0;
1039 (*db)->hdb_open = LDB_open;
1040 (*db)->hdb_close = LDB_close;
1041 (*db)->hdb_fetch = LDB_fetch;
1042 (*db)->hdb_store = LDB_store;
1043 (*db)->hdb_remove = LDB_remove;
1044 (*db)->hdb_firstkey = LDB_firstkey;
1045 (*db)->hdb_nextkey = LDB_nextkey;
1046 (*db)->hdb_lock = LDB_lock;
1047 (*db)->hdb_unlock = LDB_unlock;
1048 (*db)->hdb_rename = LDB_rename;
1049 /* we don't implement these, as we are not a lockable database */
1050 (*db)->hdb__get = NULL;
1051 (*db)->hdb__put = NULL;
1052 /* kadmin should not be used for deletes - use other tools instead */
1053 (*db)->hdb__del = NULL;
1054 (*db)->hdb_destroy = LDB_destroy;