2 Unix SMB/CIFS implementation.
4 endpoint server for the drsuapi pipe
7 Copyright (C) Stefan Metzmacher 2004
8 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "librpc/gen_ndr/drsuapi.h"
26 #include "rpc_server/common/common.h"
27 #include "lib/events/events.h"
28 #include "lib/ldb/include/ldb.h"
29 #include "lib/ldb/include/ldb_errors.h"
30 #include "system/kerberos.h"
31 #include "auth/kerberos/kerberos.h"
32 #include "libcli/ldap/ldap_ndr.h"
33 #include "libcli/security/security.h"
34 #include "librpc/gen_ndr/ndr_misc.h"
35 #include "auth/auth.h"
36 #include "util/util_ldb.h"
37 #include "dsdb/samdb/samdb.h"
38 #include "param/param.h"
40 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
41 struct smb_krb5_context *smb_krb5_context,
42 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
43 struct ldb_dn *name_dn, const char *name,
44 const char *domain_filter, const char *result_filter,
45 struct drsuapi_DsNameInfo1 *info1);
46 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
47 uint32_t format_offered, uint32_t format_desired,
48 struct ldb_dn *name_dn, const char *name,
49 struct drsuapi_DsNameInfo1 *info1);
51 static WERROR dns_domain_from_principal(TALLOC_CTX *mem_ctx, struct smb_krb5_context *smb_krb5_context,
53 struct drsuapi_DsNameInfo1 *info1)
56 krb5_principal principal;
57 /* perhaps it's a principal with a realm, so return the right 'domain only' response */
59 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
60 KRB5_PRINCIPAL_PARSE_MUST_REALM, &principal);
62 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
66 /* This isn't an allocation assignemnt, so it is free'ed with the krb5_free_principal */
67 realm = krb5_princ_realm(smb_krb5_context->krb5_context, principal);
69 info1->dns_domain_name = talloc_strdup(mem_ctx, *realm);
70 krb5_free_principal(smb_krb5_context->krb5_context, principal);
72 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
74 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
78 static enum drsuapi_DsNameStatus LDB_lookup_spn_alias(krb5_context context, struct ldb_context *ldb_ctx,
80 const char *alias_from,
85 struct ldb_result *res;
86 struct ldb_message_element *spnmappings;
88 struct ldb_dn *service_dn;
91 const char *directory_attrs[] = {
96 tmp_ctx = talloc_new(mem_ctx);
98 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
101 service_dn = ldb_dn_new(tmp_ctx, ldb_ctx, "CN=Directory Service,CN=Windows NT,CN=Services");
102 if ( ! ldb_dn_add_base(service_dn, samdb_config_dn(ldb_ctx))) {
103 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
105 service_dn_str = ldb_dn_alloc_linearized(tmp_ctx, service_dn);
106 if ( ! service_dn_str) {
107 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
110 ret = ldb_search(ldb_ctx, tmp_ctx, &res, service_dn, LDB_SCOPE_BASE,
111 directory_attrs, "(objectClass=nTDSService)");
113 if (ret != LDB_SUCCESS && ret != LDB_ERR_NO_SUCH_OBJECT) {
114 DEBUG(1, ("ldb_search: dn: %s not found: %s", service_dn_str, ldb_errstring(ldb_ctx)));
115 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
116 } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
117 DEBUG(1, ("ldb_search: dn: %s not found", service_dn_str));
118 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
119 } else if (res->count != 1) {
121 DEBUG(1, ("ldb_search: dn: %s not found", service_dn_str));
122 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
125 spnmappings = ldb_msg_find_element(res->msgs[0], "sPNMappings");
126 if (!spnmappings || spnmappings->num_values == 0) {
127 DEBUG(1, ("ldb_search: dn: %s no sPNMappings attribute", service_dn_str));
128 talloc_free(tmp_ctx);
129 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
132 for (i = 0; i < spnmappings->num_values; i++) {
133 char *mapping, *p, *str;
134 mapping = talloc_strdup(tmp_ctx,
135 (const char *)spnmappings->values[i].data);
137 DEBUG(1, ("LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping\n", service_dn_str));
138 talloc_free(tmp_ctx);
139 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
142 /* C string manipulation sucks */
144 p = strchr(mapping, '=');
146 DEBUG(1, ("ldb_search: dn: %s sPNMapping malformed: %s\n",
147 service_dn_str, mapping));
148 talloc_free(tmp_ctx);
149 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
160 if (strcasecmp(str, alias_from) == 0) {
162 talloc_steal(mem_ctx, mapping);
163 talloc_free(tmp_ctx);
164 return DRSUAPI_DS_NAME_STATUS_OK;
168 DEBUG(4, ("LDB_lookup_spn_alias: no alias for service %s applicable\n", alias_from));
169 talloc_free(tmp_ctx);
170 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
173 /* When cracking a ServicePrincipalName, many services may be served
174 * by the host/ servicePrincipalName. The incoming query is for cifs/
175 * but we translate it here, and search on host/. This is done after
176 * the cifs/ entry has been searched for, making this a fallback */
178 static WERROR DsCrackNameSPNAlias(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
179 struct smb_krb5_context *smb_krb5_context,
180 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
181 const char *name, struct drsuapi_DsNameInfo1 *info1)
185 krb5_principal principal;
186 const char *service, *dns_name;
189 enum drsuapi_DsNameStatus namestatus;
191 /* parse principal */
192 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context,
193 name, KRB5_PRINCIPAL_PARSE_NO_REALM, &principal);
195 DEBUG(2, ("Could not parse principal: %s: %s",
196 name, smb_get_krb5_error_message(smb_krb5_context->krb5_context,
201 /* grab cifs/, http/ etc */
203 /* This is checked for in callers, but be safe */
204 if (principal->name.name_string.len < 2) {
205 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
208 service = principal->name.name_string.val[0];
209 dns_name = principal->name.name_string.val[1];
212 namestatus = LDB_lookup_spn_alias(smb_krb5_context->krb5_context,
214 service, &new_service);
216 if (namestatus == DRSUAPI_DS_NAME_STATUS_NOT_FOUND) {
217 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
218 info1->dns_domain_name = talloc_strdup(mem_ctx, dns_name);
219 if (!info1->dns_domain_name) {
220 krb5_free_principal(smb_krb5_context->krb5_context, principal);
224 } else if (namestatus != DRSUAPI_DS_NAME_STATUS_OK) {
225 info1->status = namestatus;
226 krb5_free_principal(smb_krb5_context->krb5_context, principal);
230 /* ooh, very nasty playing around in the Principal... */
231 free(principal->name.name_string.val[0]);
232 principal->name.name_string.val[0] = strdup(new_service);
233 if (!principal->name.name_string.val[0]) {
234 krb5_free_principal(smb_krb5_context->krb5_context, principal);
238 /* reform principal */
239 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
240 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &new_princ);
243 krb5_free_principal(smb_krb5_context->krb5_context, principal);
247 wret = DsCrackNameOneName(sam_ctx, mem_ctx, format_flags, format_offered, format_desired,
250 if (W_ERROR_IS_OK(wret) && (info1->status == DRSUAPI_DS_NAME_STATUS_NOT_FOUND)) {
251 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
252 info1->dns_domain_name = talloc_strdup(mem_ctx, dns_name);
253 if (!info1->dns_domain_name) {
257 krb5_free_principal(smb_krb5_context->krb5_context, principal);
261 /* Subcase of CrackNames, for the userPrincipalName */
263 static WERROR DsCrackNameUPN(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
264 struct smb_krb5_context *smb_krb5_context,
265 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
266 const char *name, struct drsuapi_DsNameInfo1 *info1)
270 const char *domain_filter = NULL;
271 const char *result_filter = NULL;
273 krb5_principal principal;
275 char *unparsed_name_short;
276 const char *domain_attrs[] = { NULL };
277 struct ldb_result *domain_res = NULL;
279 /* Prevent recursion */
281 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
285 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
286 KRB5_PRINCIPAL_PARSE_MUST_REALM, &principal);
288 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
292 realm = krb5_princ_realm(smb_krb5_context->krb5_context, principal);
294 ldb_ret = ldb_search(sam_ctx, mem_ctx, &domain_res,
295 samdb_partitions_dn(sam_ctx, mem_ctx),
298 "(&(&(|(&(dnsRoot=%s)(nETBIOSName=*))(nETBIOSName=%s))(objectclass=crossRef))(ncName=*))",
299 ldb_binary_encode_string(mem_ctx, *realm),
300 ldb_binary_encode_string(mem_ctx, *realm));
302 if (ldb_ret != LDB_SUCCESS) {
303 DEBUG(2, ("DsCrackNameUPN domain ref search failed: %s", ldb_errstring(sam_ctx)));
304 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
308 switch (domain_res->count) {
312 return dns_domain_from_principal(mem_ctx, smb_krb5_context,
315 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
319 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
320 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &unparsed_name_short);
321 krb5_free_principal(smb_krb5_context->krb5_context, principal);
324 free(unparsed_name_short);
328 /* This may need to be extended for more userPrincipalName variations */
329 result_filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
330 ldb_binary_encode_string(mem_ctx, unparsed_name_short));
332 domain_filter = talloc_asprintf(mem_ctx, "(distinguishedName=%s)", ldb_dn_get_linearized(domain_res->msgs[0]->dn));
334 if (!result_filter || !domain_filter) {
335 free(unparsed_name_short);
338 status = DsCrackNameOneFilter(sam_ctx, mem_ctx,
340 format_flags, format_offered, format_desired,
341 NULL, unparsed_name_short, domain_filter, result_filter,
343 free(unparsed_name_short);
348 /* Crack a single 'name', from format_offered into format_desired, returning the result in info1 */
350 WERROR DsCrackNameOneName(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
351 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
352 const char *name, struct drsuapi_DsNameInfo1 *info1)
355 const char *domain_filter = NULL;
356 const char *result_filter = NULL;
357 struct ldb_dn *name_dn = NULL;
359 struct smb_krb5_context *smb_krb5_context = NULL;
361 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
362 info1->dns_domain_name = NULL;
363 info1->result_name = NULL;
366 return WERR_INVALID_PARAM;
369 /* TODO: - fill the correct names in all cases!
370 * - handle format_flags
373 /* here we need to set the domain_filter and/or the result_filter */
374 switch (format_offered) {
375 case DRSUAPI_DS_NAME_FORMAT_UNKNOWN:
378 enum drsuapi_DsNameFormat formats[] = {
379 DRSUAPI_DS_NAME_FORMAT_FQDN_1779, DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL,
380 DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT, DRSUAPI_DS_NAME_FORMAT_CANONICAL,
381 DRSUAPI_DS_NAME_FORMAT_GUID, DRSUAPI_DS_NAME_FORMAT_DISPLAY,
382 DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL,
383 DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY,
384 DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX
387 for (i=0; i < ARRAY_SIZE(formats); i++) {
388 werr = DsCrackNameOneName(sam_ctx, mem_ctx, format_flags, formats[i], format_desired, name, info1);
389 if (!W_ERROR_IS_OK(werr)) {
392 if (info1->status != DRSUAPI_DS_NAME_STATUS_NOT_FOUND) {
399 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
400 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
402 char *str, *s, *account;
404 if (strlen(name) == 0) {
405 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
409 str = talloc_strdup(mem_ctx, name);
410 W_ERROR_HAVE_NO_MEMORY(str);
412 if (format_offered == DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX) {
413 /* Look backwards for the \n, and replace it with / */
414 s = strrchr(str, '\n');
416 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
422 s = strchr(str, '/');
424 /* there must be at least one / */
425 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
432 domain_filter = talloc_asprintf(mem_ctx, "(&(objectClass=crossRef)(ncName=%s))",
433 ldb_dn_get_linearized(samdb_dns_domain_to_dn(sam_ctx, mem_ctx, str)));
434 W_ERROR_HAVE_NO_MEMORY(domain_filter);
436 /* There may not be anything after the domain component (search for the domain itself) */
439 account = strrchr(s, '/');
445 account = ldb_binary_encode_string(mem_ctx, account);
446 W_ERROR_HAVE_NO_MEMORY(account);
447 result_filter = talloc_asprintf(mem_ctx, "(name=%s)",
449 W_ERROR_HAVE_NO_MEMORY(result_filter);
453 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
456 const char *account = NULL;
458 domain = talloc_strdup(mem_ctx, name);
459 W_ERROR_HAVE_NO_MEMORY(domain);
461 p = strchr(domain, '\\');
463 /* invalid input format */
464 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
473 domain_filter = talloc_asprintf(mem_ctx,
474 "(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))",
475 ldb_binary_encode_string(mem_ctx, domain));
476 W_ERROR_HAVE_NO_MEMORY(domain_filter);
478 result_filter = talloc_asprintf(mem_ctx, "(sAMAccountName=%s)",
479 ldb_binary_encode_string(mem_ctx, account));
480 W_ERROR_HAVE_NO_MEMORY(result_filter);
487 /* A LDAP DN as a string */
488 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
489 domain_filter = NULL;
490 name_dn = ldb_dn_new(mem_ctx, sam_ctx, name);
491 if (! ldb_dn_validate(name_dn)) {
492 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
498 /* A GUID as a string */
499 case DRSUAPI_DS_NAME_FORMAT_GUID: {
503 domain_filter = NULL;
505 nt_status = GUID_from_string(name, &guid);
506 if (!NT_STATUS_IS_OK(nt_status)) {
507 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
511 ldap_guid = ldap_encode_ndr_GUID(mem_ctx, &guid);
515 result_filter = talloc_asprintf(mem_ctx, "(objectGUID=%s)",
517 W_ERROR_HAVE_NO_MEMORY(result_filter);
520 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
521 domain_filter = NULL;
523 result_filter = talloc_asprintf(mem_ctx, "(|(displayName=%s)(samAccountName=%s))",
524 ldb_binary_encode_string(mem_ctx, name),
525 ldb_binary_encode_string(mem_ctx, name));
526 W_ERROR_HAVE_NO_MEMORY(result_filter);
530 /* A S-1234-5678 style string */
531 case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
532 struct dom_sid *sid = dom_sid_parse_talloc(mem_ctx, name);
535 domain_filter = NULL;
537 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
540 ldap_sid = ldap_encode_ndr_dom_sid(mem_ctx,
545 result_filter = talloc_asprintf(mem_ctx, "(objectSid=%s)",
547 W_ERROR_HAVE_NO_MEMORY(result_filter);
550 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL: {
551 krb5_principal principal;
554 ret = smb_krb5_init_context(mem_ctx,
555 ldb_get_event_context(sam_ctx),
556 (struct loadparm_context *)ldb_get_opaque(sam_ctx, "loadparm"),
563 ret = krb5_parse_name(smb_krb5_context->krb5_context, name, &principal);
565 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
569 domain_filter = NULL;
571 ret = krb5_unparse_name(smb_krb5_context->krb5_context, principal, &unparsed_name);
573 krb5_free_principal(smb_krb5_context->krb5_context, principal);
577 krb5_free_principal(smb_krb5_context->krb5_context, principal);
578 result_filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(userPrincipalName=%s))",
579 ldb_binary_encode_string(mem_ctx, unparsed_name));
582 W_ERROR_HAVE_NO_MEMORY(result_filter);
585 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL: {
586 krb5_principal principal;
587 char *unparsed_name_short;
590 ret = smb_krb5_init_context(mem_ctx,
591 ldb_get_event_context(sam_ctx),
592 (struct loadparm_context *)ldb_get_opaque(sam_ctx, "loadparm"),
599 ret = krb5_parse_name(smb_krb5_context->krb5_context, name, &principal);
600 if (ret == 0 && principal->name.name_string.len < 2) {
601 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
602 krb5_free_principal(smb_krb5_context->krb5_context, principal);
605 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
606 KRB5_PRINCIPAL_PARSE_NO_REALM, &principal);
608 krb5_free_principal(smb_krb5_context->krb5_context, principal);
610 return dns_domain_from_principal(mem_ctx, smb_krb5_context,
614 domain_filter = NULL;
616 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
617 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &unparsed_name_short);
619 krb5_free_principal(smb_krb5_context->krb5_context, principal);
623 service = principal->name.name_string.val[0];
624 if ((principal->name.name_string.len == 2) && (strcasecmp(service, "host") == 0)) {
625 /* the 'cn' attribute is just the leading part of the name */
627 computer_name = talloc_strndup(mem_ctx, principal->name.name_string.val[1],
628 strcspn(principal->name.name_string.val[1], "."));
629 if (computer_name == NULL) {
633 result_filter = talloc_asprintf(mem_ctx, "(|(&(servicePrincipalName=%s)(objectClass=user))(&(cn=%s)(objectClass=computer)))",
634 ldb_binary_encode_string(mem_ctx, unparsed_name_short),
635 ldb_binary_encode_string(mem_ctx, computer_name));
637 result_filter = talloc_asprintf(mem_ctx, "(&(servicePrincipalName=%s)(objectClass=user))",
638 ldb_binary_encode_string(mem_ctx, unparsed_name_short));
640 krb5_free_principal(smb_krb5_context->krb5_context, principal);
641 free(unparsed_name_short);
642 W_ERROR_HAVE_NO_MEMORY(result_filter);
647 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
653 if (format_flags & DRSUAPI_DS_NAME_FLAG_SYNTACTICAL_ONLY) {
654 return DsCrackNameOneSyntactical(mem_ctx, format_offered, format_desired,
655 name_dn, name, info1);
658 return DsCrackNameOneFilter(sam_ctx, mem_ctx,
660 format_flags, format_offered, format_desired,
662 domain_filter, result_filter,
666 /* Subcase of CrackNames. It is possible to translate a LDAP-style DN
667 * (FQDN_1779) into a canoical name without actually searching the
670 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
671 uint32_t format_offered, uint32_t format_desired,
672 struct ldb_dn *name_dn, const char *name,
673 struct drsuapi_DsNameInfo1 *info1)
676 if (format_offered != DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
677 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
681 switch (format_desired) {
682 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
683 cracked = ldb_dn_canonical_string(mem_ctx, name_dn);
685 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
686 cracked = ldb_dn_canonical_ex_string(mem_ctx, name_dn);
689 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
692 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
693 info1->result_name = cracked;
701 /* Given a filter for the domain, and one for the result, perform the
702 * ldb search. The format offered and desired flags change the
703 * behaviours, including what attributes to return.
705 * The smb_krb5_context is required because we use the krb5 libs for principal parsing
708 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
709 struct smb_krb5_context *smb_krb5_context,
710 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
711 struct ldb_dn *name_dn, const char *name,
712 const char *domain_filter, const char *result_filter,
713 struct drsuapi_DsNameInfo1 *info1)
716 struct ldb_result *domain_res = NULL;
717 const char * const *domain_attrs;
718 const char * const *result_attrs;
719 struct ldb_message **result_res = NULL;
720 struct ldb_message *result = NULL;
721 struct ldb_dn *result_basedn = NULL;
724 struct ldb_dn *partitions_basedn = samdb_partitions_dn(sam_ctx, mem_ctx);
726 const char * const _domain_attrs_1779[] = { "ncName", "dnsRoot", NULL};
727 const char * const _result_attrs_null[] = { NULL };
729 const char * const _domain_attrs_canonical[] = { "ncName", "dnsRoot", NULL};
730 const char * const _result_attrs_canonical[] = { "canonicalName", NULL };
732 const char * const _domain_attrs_nt4[] = { "ncName", "dnsRoot", "nETBIOSName", NULL};
733 const char * const _result_attrs_nt4[] = { "sAMAccountName", "objectSid", "objectClass", NULL};
735 const char * const _domain_attrs_guid[] = { "ncName", "dnsRoot", NULL};
736 const char * const _result_attrs_guid[] = { "objectGUID", NULL};
738 const char * const _domain_attrs_display[] = { "ncName", "dnsRoot", NULL};
739 const char * const _result_attrs_display[] = { "displayName", "samAccountName", NULL};
741 const char * const _domain_attrs_none[] = { "ncName", "dnsRoot" , NULL};
742 const char * const _result_attrs_none[] = { NULL};
744 /* here we need to set the attrs lists for domain and result lookups */
745 switch (format_desired) {
746 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779:
747 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
748 domain_attrs = _domain_attrs_1779;
749 result_attrs = _result_attrs_null;
751 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
752 domain_attrs = _domain_attrs_canonical;
753 result_attrs = _result_attrs_canonical;
755 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT:
756 domain_attrs = _domain_attrs_nt4;
757 result_attrs = _result_attrs_nt4;
759 case DRSUAPI_DS_NAME_FORMAT_GUID:
760 domain_attrs = _domain_attrs_guid;
761 result_attrs = _result_attrs_guid;
763 case DRSUAPI_DS_NAME_FORMAT_DISPLAY:
764 domain_attrs = _domain_attrs_display;
765 result_attrs = _result_attrs_display;
768 domain_attrs = _domain_attrs_none;
769 result_attrs = _result_attrs_none;
774 /* if we have a domain_filter look it up and set the result_basedn and the dns_domain_name */
775 ldb_ret = ldb_search(sam_ctx, mem_ctx, &domain_res,
779 "%s", domain_filter);
781 if (ldb_ret != LDB_SUCCESS) {
782 DEBUG(2, ("DsCrackNameOneFilter domain ref search failed: %s", ldb_errstring(sam_ctx)));
783 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
787 switch (domain_res->count) {
791 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
794 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
798 info1->dns_domain_name = samdb_result_string(domain_res->msgs[0], "dnsRoot", NULL);
799 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
800 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
802 info1->dns_domain_name = NULL;
803 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
808 struct ldb_result *res;
810 result_basedn = samdb_result_dn(sam_ctx, mem_ctx, domain_res->msgs[0], "ncName", NULL);
812 ret = ldb_search(sam_ctx, mem_ctx, &res,
813 result_basedn, LDB_SCOPE_SUBTREE,
814 result_attrs, "%s", result_filter);
815 if (ret != LDB_SUCCESS) {
816 talloc_free(result_res);
817 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
820 ldb_ret = res->count;
821 result_res = res->msgs;
823 /* search with the 'phantom root' flag */
824 struct ldb_request *req;
826 res = talloc_zero(mem_ctx, struct ldb_result);
827 W_ERROR_HAVE_NO_MEMORY(res);
829 ret = ldb_build_search_req(&req, sam_ctx, mem_ctx,
830 ldb_get_root_basedn(sam_ctx),
836 ldb_search_default_callback,
838 if (ret == LDB_SUCCESS) {
839 struct ldb_search_options_control *search_options;
840 search_options = talloc(req, struct ldb_search_options_control);
841 W_ERROR_HAVE_NO_MEMORY(search_options);
842 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
844 ret = ldb_request_add_control(req, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
846 if (ret != LDB_SUCCESS) {
848 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
852 ret = ldb_request(sam_ctx, req);
854 if (ret == LDB_SUCCESS) {
855 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
860 if (ret != LDB_SUCCESS) {
861 DEBUG(2, ("DsCrackNameOneFilter phantom root search failed: %s",
862 ldb_errstring(sam_ctx)));
863 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
866 ldb_ret = res->count;
867 result_res = res->msgs;
869 } else if (format_offered == DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
870 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
872 } else if (domain_res) {
873 name_dn = samdb_result_dn(sam_ctx, mem_ctx, domain_res->msgs[0], "ncName", NULL);
874 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
878 DEBUG(0, ("LOGIC ERROR: DsCrackNameOneFilter domain ref search not availible: This can't happen..."));
879 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
885 result = result_res[0];
888 switch (format_offered) {
889 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL:
890 return DsCrackNameSPNAlias(sam_ctx, mem_ctx,
892 format_flags, format_offered, format_desired,
895 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL:
896 return DsCrackNameUPN(sam_ctx, mem_ctx, smb_krb5_context,
897 format_flags, format_offered, format_desired,
900 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
903 DEBUG(2, ("DsCrackNameOneFilter result search failed: %s", ldb_errstring(sam_ctx)));
904 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
907 switch (format_offered) {
908 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
909 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
911 const char *canonical_name = NULL; /* Not required, but we get warnings... */
912 /* We may need to manually filter further */
913 for (i = 0; i < ldb_ret; i++) {
914 switch (format_offered) {
915 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
916 canonical_name = ldb_dn_canonical_string(mem_ctx, result_res[i]->dn);
918 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
919 canonical_name = ldb_dn_canonical_ex_string(mem_ctx, result_res[i]->dn);
922 if (strcasecmp_m(canonical_name, name) == 0) {
923 result = result_res[i];
928 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
933 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
938 info1->dns_domain_name = ldb_dn_canonical_string(mem_ctx, result->dn);
939 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
940 p = strchr(info1->dns_domain_name, '/');
945 /* here we can use result and domain_res[0] */
946 switch (format_desired) {
947 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
948 info1->result_name = ldb_dn_alloc_linearized(mem_ctx, result->dn);
949 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
951 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
954 case DRSUAPI_DS_NAME_FORMAT_CANONICAL: {
955 info1->result_name = samdb_result_string(result, "canonicalName", NULL);
956 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
959 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX: {
960 /* Not in the virtual ldb attribute */
961 return DsCrackNameOneSyntactical(mem_ctx,
962 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
963 DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX,
964 result->dn, name, info1);
966 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
968 const struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, result, "objectSid");
969 const char *_acc = "", *_dom = "";
971 if (samdb_find_attribute(sam_ctx, result, "objectClass", "domain")) {
973 ldb_ret = ldb_search(sam_ctx, mem_ctx, &domain_res,
977 "(ncName=%s)", ldb_dn_get_linearized(result->dn));
979 if (ldb_ret != LDB_SUCCESS) {
980 DEBUG(2, ("DsCrackNameOneFilter domain ref search failed: %s", ldb_errstring(sam_ctx)));
981 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
985 switch (domain_res->count) {
989 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
992 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
995 _dom = samdb_result_string(domain_res->msgs[0], "nETBIOSName", NULL);
996 W_ERROR_HAVE_NO_MEMORY(_dom);
998 _acc = samdb_result_string(result, "sAMAccountName", NULL);
1000 info1->status = DRSUAPI_DS_NAME_STATUS_NO_MAPPING;
1003 if (dom_sid_in_domain(dom_sid_parse_talloc(mem_ctx, SID_BUILTIN), sid)) {
1006 const char *attrs[] = { NULL };
1007 struct ldb_result *domain_res2;
1008 struct dom_sid *dom_sid = dom_sid_dup(mem_ctx, sid);
1012 dom_sid->num_auths--;
1013 ldb_ret = ldb_search(sam_ctx, mem_ctx, &domain_res,
1017 "(&(objectSid=%s)(objectClass=domain))",
1018 ldap_encode_ndr_dom_sid(mem_ctx, dom_sid));
1020 if (ldb_ret != LDB_SUCCESS) {
1021 DEBUG(2, ("DsCrackNameOneFilter domain search failed: %s", ldb_errstring(sam_ctx)));
1022 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
1026 switch (domain_res->count) {
1030 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
1033 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
1037 ldb_ret = ldb_search(sam_ctx, mem_ctx, &domain_res2,
1041 "(ncName=%s)", ldb_dn_get_linearized(domain_res->msgs[0]->dn));
1043 if (ldb_ret != LDB_SUCCESS) {
1044 DEBUG(2, ("DsCrackNameOneFilter domain ref search failed: %s", ldb_errstring(sam_ctx)));
1045 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
1049 switch (domain_res2->count) {
1053 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
1056 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
1059 _dom = samdb_result_string(domain_res2->msgs[0], "nETBIOSName", NULL);
1060 W_ERROR_HAVE_NO_MEMORY(_dom);
1064 info1->result_name = talloc_asprintf(mem_ctx, "%s\\%s", _dom, _acc);
1065 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
1067 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
1070 case DRSUAPI_DS_NAME_FORMAT_GUID: {
1073 guid = samdb_result_guid(result, "objectGUID");
1075 info1->result_name = GUID_string2(mem_ctx, &guid);
1076 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
1078 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
1081 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
1082 info1->result_name = samdb_result_string(result, "displayName", NULL);
1083 if (!info1->result_name) {
1084 info1->result_name = samdb_result_string(result, "sAMAccountName", NULL);
1086 if (!info1->result_name) {
1087 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
1089 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
1093 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL: {
1094 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
1097 case DRSUAPI_DS_NAME_FORMAT_DNS_DOMAIN:
1098 case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
1099 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
1103 info1->status = DRSUAPI_DS_NAME_STATUS_NO_MAPPING;
1108 /* Given a user Principal Name (such as foo@bar.com),
1109 * return the user and domain DNs. This is used in the KDC to then
1110 * return the Keys and evaluate policy */
1112 NTSTATUS crack_user_principal_name(struct ldb_context *sam_ctx,
1113 TALLOC_CTX *mem_ctx,
1114 const char *user_principal_name,
1115 struct ldb_dn **user_dn,
1116 struct ldb_dn **domain_dn)
1119 struct drsuapi_DsNameInfo1 info1;
1120 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1121 DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL,
1122 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1123 user_principal_name,
1125 if (!W_ERROR_IS_OK(werr)) {
1126 return werror_to_ntstatus(werr);
1128 switch (info1.status) {
1129 case DRSUAPI_DS_NAME_STATUS_OK:
1131 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1132 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1133 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1134 return NT_STATUS_NO_SUCH_USER;
1135 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1137 return NT_STATUS_UNSUCCESSFUL;
1140 *user_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1143 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1144 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
1145 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1146 talloc_asprintf(mem_ctx, "%s/",
1147 info1.dns_domain_name),
1149 if (!W_ERROR_IS_OK(werr)) {
1150 return werror_to_ntstatus(werr);
1152 switch (info1.status) {
1153 case DRSUAPI_DS_NAME_STATUS_OK:
1155 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1156 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1157 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1158 return NT_STATUS_NO_SUCH_USER;
1159 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1161 return NT_STATUS_UNSUCCESSFUL;
1164 *domain_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1167 return NT_STATUS_OK;
1171 /* Given a Service Principal Name (such as host/foo.bar.com@BAR.COM),
1172 * return the user and domain DNs. This is used in the KDC to then
1173 * return the Keys and evaluate policy */
1175 NTSTATUS crack_service_principal_name(struct ldb_context *sam_ctx,
1176 TALLOC_CTX *mem_ctx,
1177 const char *service_principal_name,
1178 struct ldb_dn **user_dn,
1179 struct ldb_dn **domain_dn)
1182 struct drsuapi_DsNameInfo1 info1;
1183 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1184 DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL,
1185 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1186 service_principal_name,
1188 if (!W_ERROR_IS_OK(werr)) {
1189 return werror_to_ntstatus(werr);
1191 switch (info1.status) {
1192 case DRSUAPI_DS_NAME_STATUS_OK:
1194 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1195 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1196 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1197 return NT_STATUS_NO_SUCH_USER;
1198 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1200 return NT_STATUS_UNSUCCESSFUL;
1203 *user_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1206 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1207 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
1208 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1209 talloc_asprintf(mem_ctx, "%s/",
1210 info1.dns_domain_name),
1212 if (!W_ERROR_IS_OK(werr)) {
1213 return werror_to_ntstatus(werr);
1215 switch (info1.status) {
1216 case DRSUAPI_DS_NAME_STATUS_OK:
1218 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1219 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1220 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1221 return NT_STATUS_NO_SUCH_USER;
1222 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1224 return NT_STATUS_UNSUCCESSFUL;
1227 *domain_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1230 return NT_STATUS_OK;
1234 NTSTATUS crack_name_to_nt4_name(TALLOC_CTX *mem_ctx,
1235 struct event_context *ev_ctx,
1236 struct loadparm_context *lp_ctx,
1237 uint32_t format_offered,
1239 const char **nt4_domain, const char **nt4_account)
1242 struct drsuapi_DsNameInfo1 info1;
1243 struct ldb_context *ldb;
1246 /* Handle anonymous bind */
1247 if (!name || !*name) {
1250 return NT_STATUS_OK;
1253 ldb = samdb_connect(mem_ctx, ev_ctx, lp_ctx, system_session(mem_ctx, lp_ctx));
1255 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1258 werr = DsCrackNameOneName(ldb, mem_ctx, 0,
1260 DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT,
1263 if (!W_ERROR_IS_OK(werr)) {
1264 return werror_to_ntstatus(werr);
1266 switch (info1.status) {
1267 case DRSUAPI_DS_NAME_STATUS_OK:
1269 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1270 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1271 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1272 return NT_STATUS_NO_SUCH_USER;
1273 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1275 return NT_STATUS_UNSUCCESSFUL;
1278 *nt4_domain = talloc_strdup(mem_ctx, info1.result_name);
1280 p = strchr(*nt4_domain, '\\');
1282 return NT_STATUS_INVALID_PARAMETER;
1287 *nt4_account = talloc_strdup(mem_ctx, &p[1]);
1290 if (!*nt4_account || !*nt4_domain) {
1291 return NT_STATUS_NO_MEMORY;
1294 return NT_STATUS_OK;
1297 NTSTATUS crack_auto_name_to_nt4_name(TALLOC_CTX *mem_ctx,
1298 struct event_context *ev_ctx,
1299 struct loadparm_context *lp_ctx,
1301 const char **nt4_domain,
1302 const char **nt4_account)
1304 uint32_t format_offered = DRSUAPI_DS_NAME_FORMAT_UNKNOWN;
1306 /* Handle anonymous bind */
1307 if (!name || !*name) {
1310 return NT_STATUS_OK;
1313 if (strchr_m(name, '=')) {
1314 format_offered = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
1315 } else if (strchr_m(name, '@')) {
1316 format_offered = DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL;
1317 } else if (strchr_m(name, '\\')) {
1318 format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
1319 } else if (strchr_m(name, '/')) {
1320 format_offered = DRSUAPI_DS_NAME_FORMAT_CANONICAL;
1322 return NT_STATUS_NO_SUCH_USER;
1325 return crack_name_to_nt4_name(mem_ctx, ev_ctx, lp_ctx, format_offered, name, nt4_domain, nt4_account);