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/ldb/include/ldb.h"
28 #include "lib/ldb/include/ldb_errors.h"
29 #include "system/kerberos.h"
30 #include "auth/kerberos/kerberos.h"
31 #include "libcli/ldap/ldap_ndr.h"
32 #include "libcli/security/security.h"
33 #include "librpc/gen_ndr/ndr_misc.h"
34 #include "auth/auth.h"
35 #include "util/util_ldb.h"
36 #include "dsdb/samdb/samdb.h"
37 #include "param/param.h"
39 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
40 struct smb_krb5_context *smb_krb5_context,
41 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
42 struct ldb_dn *name_dn, const char *name,
43 const char *domain_filter, const char *result_filter,
44 struct drsuapi_DsNameInfo1 *info1);
45 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
46 uint32_t format_offered, uint32_t format_desired,
47 struct ldb_dn *name_dn, const char *name,
48 struct drsuapi_DsNameInfo1 *info1);
50 static WERROR dns_domain_from_principal(TALLOC_CTX *mem_ctx, struct smb_krb5_context *smb_krb5_context,
52 struct drsuapi_DsNameInfo1 *info1)
55 krb5_principal principal;
56 /* perhaps it's a principal with a realm, so return the right 'domain only' response */
58 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
59 KRB5_PRINCIPAL_PARSE_MUST_REALM, &principal);
61 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
65 /* This isn't an allocation assignemnt, so it is free'ed with the krb5_free_principal */
66 realm = krb5_princ_realm(smb_krb5_context->krb5_context, principal);
68 info1->dns_domain_name = talloc_strdup(mem_ctx, *realm);
69 krb5_free_principal(smb_krb5_context->krb5_context, principal);
71 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
73 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
77 static enum drsuapi_DsNameStatus LDB_lookup_spn_alias(krb5_context context, struct ldb_context *ldb_ctx,
79 const char *alias_from,
84 struct ldb_result *res;
85 struct ldb_message_element *spnmappings;
87 struct ldb_dn *service_dn;
90 const char *directory_attrs[] = {
95 tmp_ctx = talloc_new(mem_ctx);
97 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
100 service_dn = ldb_dn_new(tmp_ctx, ldb_ctx, "CN=Directory Service,CN=Windows NT,CN=Services");
101 if ( ! ldb_dn_add_base(service_dn, samdb_config_dn(ldb_ctx))) {
102 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
104 service_dn_str = ldb_dn_alloc_linearized(tmp_ctx, service_dn);
105 if ( ! service_dn_str) {
106 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
109 ret = ldb_search(ldb_ctx, service_dn, LDB_SCOPE_BASE, "(objectClass=nTDSService)",
110 directory_attrs, &res);
112 if (ret != LDB_SUCCESS && ret != LDB_ERR_NO_SUCH_OBJECT) {
113 DEBUG(1, ("ldb_search: dn: %s not found: %s", service_dn_str, ldb_errstring(ldb_ctx)));
114 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
115 } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
116 DEBUG(1, ("ldb_search: dn: %s not found", service_dn_str));
117 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
118 } else if (res->count != 1) {
120 DEBUG(1, ("ldb_search: dn: %s not found", service_dn_str));
121 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
123 talloc_steal(tmp_ctx, res);
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_exp_fmt(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;
360 ret = smb_krb5_init_context(mem_ctx,
361 (struct event_context *)ldb_get_opaque(sam_ctx, "EventContext"),
362 (struct loadparm_context *)ldb_get_opaque(sam_ctx, "loadparm"),
369 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
370 info1->dns_domain_name = NULL;
371 info1->result_name = NULL;
374 return WERR_INVALID_PARAM;
377 /* TODO: - fill the correct names in all cases!
378 * - handle format_flags
381 /* here we need to set the domain_filter and/or the result_filter */
382 switch (format_offered) {
383 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
384 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
386 char *str, *s, *account;
388 if (strlen(name) == 0) {
389 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
393 str = talloc_strdup(mem_ctx, name);
394 W_ERROR_HAVE_NO_MEMORY(str);
396 if (format_offered == DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX) {
397 /* Look backwards for the \n, and replace it with / */
398 s = strrchr(str, '\n');
400 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
406 s = strchr(str, '/');
408 /* there must be at least one / */
409 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
416 domain_filter = talloc_asprintf(mem_ctx, "(&(objectClass=crossRef)(ncName=%s))",
417 ldb_dn_get_linearized(samdb_dns_domain_to_dn(sam_ctx, mem_ctx, str)));
418 W_ERROR_HAVE_NO_MEMORY(domain_filter);
420 /* There may not be anything after the domain component (search for the domain itself) */
423 account = strrchr(s, '/');
429 account = ldb_binary_encode_string(mem_ctx, account);
430 W_ERROR_HAVE_NO_MEMORY(account);
431 result_filter = talloc_asprintf(mem_ctx, "(name=%s)",
433 W_ERROR_HAVE_NO_MEMORY(result_filter);
437 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
440 const char *account = NULL;
442 domain = talloc_strdup(mem_ctx, name);
443 W_ERROR_HAVE_NO_MEMORY(domain);
445 p = strchr(domain, '\\');
447 /* invalid input format */
448 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
457 domain_filter = talloc_asprintf(mem_ctx,
458 "(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))",
459 ldb_binary_encode_string(mem_ctx, domain));
460 W_ERROR_HAVE_NO_MEMORY(domain_filter);
462 result_filter = talloc_asprintf(mem_ctx, "(sAMAccountName=%s)",
463 ldb_binary_encode_string(mem_ctx, account));
464 W_ERROR_HAVE_NO_MEMORY(result_filter);
471 /* A LDAP DN as a string */
472 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
473 domain_filter = NULL;
474 name_dn = ldb_dn_new(mem_ctx, sam_ctx, name);
475 if (! ldb_dn_validate(name_dn)) {
476 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
482 /* A GUID as a string */
483 case DRSUAPI_DS_NAME_FORMAT_GUID: {
487 domain_filter = NULL;
489 nt_status = GUID_from_string(name, &guid);
490 if (!NT_STATUS_IS_OK(nt_status)) {
491 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
495 ldap_guid = ldap_encode_ndr_GUID(mem_ctx, &guid);
499 result_filter = talloc_asprintf(mem_ctx, "(objectGUID=%s)",
501 W_ERROR_HAVE_NO_MEMORY(result_filter);
504 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
505 domain_filter = NULL;
507 result_filter = talloc_asprintf(mem_ctx, "(|(displayName=%s)(samAccountName=%s))",
508 ldb_binary_encode_string(mem_ctx, name),
509 ldb_binary_encode_string(mem_ctx, name));
510 W_ERROR_HAVE_NO_MEMORY(result_filter);
514 /* A S-1234-5678 style string */
515 case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
516 struct dom_sid *sid = dom_sid_parse_talloc(mem_ctx, name);
519 domain_filter = NULL;
521 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
524 ldap_sid = ldap_encode_ndr_dom_sid(mem_ctx,
529 result_filter = talloc_asprintf(mem_ctx, "(objectSid=%s)",
531 W_ERROR_HAVE_NO_MEMORY(result_filter);
534 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL: {
535 krb5_principal principal;
537 ret = krb5_parse_name(smb_krb5_context->krb5_context, name, &principal);
539 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
543 domain_filter = NULL;
545 ret = krb5_unparse_name(smb_krb5_context->krb5_context, principal, &unparsed_name);
547 krb5_free_principal(smb_krb5_context->krb5_context, principal);
551 krb5_free_principal(smb_krb5_context->krb5_context, principal);
552 result_filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(userPrincipalName=%s))",
553 ldb_binary_encode_string(mem_ctx, unparsed_name));
556 W_ERROR_HAVE_NO_MEMORY(result_filter);
559 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL: {
560 krb5_principal principal;
561 char *unparsed_name_short;
563 ret = krb5_parse_name(smb_krb5_context->krb5_context, name, &principal);
564 if (ret == 0 && principal->name.name_string.len < 2) {
565 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
566 krb5_free_principal(smb_krb5_context->krb5_context, principal);
569 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
570 KRB5_PRINCIPAL_PARSE_NO_REALM, &principal);
572 krb5_free_principal(smb_krb5_context->krb5_context, principal);
574 return dns_domain_from_principal(mem_ctx, smb_krb5_context,
578 domain_filter = NULL;
580 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
581 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &unparsed_name_short);
583 krb5_free_principal(smb_krb5_context->krb5_context, principal);
587 service = principal->name.name_string.val[0];
588 if ((principal->name.name_string.len == 2) && (strcasecmp(service, "host") == 0)) {
589 /* the 'cn' attribute is just the leading part of the name */
591 computer_name = talloc_strndup(mem_ctx, principal->name.name_string.val[1],
592 strcspn(principal->name.name_string.val[1], "."));
593 if (computer_name == NULL) {
597 result_filter = talloc_asprintf(mem_ctx, "(|(&(servicePrincipalName=%s)(objectClass=user))(&(cn=%s)(objectClass=computer)))",
598 ldb_binary_encode_string(mem_ctx, unparsed_name_short),
599 ldb_binary_encode_string(mem_ctx, computer_name));
601 result_filter = talloc_asprintf(mem_ctx, "(&(servicePrincipalName=%s)(objectClass=user))",
602 ldb_binary_encode_string(mem_ctx, unparsed_name_short));
604 krb5_free_principal(smb_krb5_context->krb5_context, principal);
605 free(unparsed_name_short);
606 W_ERROR_HAVE_NO_MEMORY(result_filter);
611 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
617 if (format_flags & DRSUAPI_DS_NAME_FLAG_SYNTACTICAL_ONLY) {
618 return DsCrackNameOneSyntactical(mem_ctx, format_offered, format_desired,
619 name_dn, name, info1);
622 return DsCrackNameOneFilter(sam_ctx, mem_ctx,
624 format_flags, format_offered, format_desired,
626 domain_filter, result_filter,
630 /* Subcase of CrackNames. It is possible to translate a LDAP-style DN
631 * (FQDN_1779) into a canoical name without actually searching the
634 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
635 uint32_t format_offered, uint32_t format_desired,
636 struct ldb_dn *name_dn, const char *name,
637 struct drsuapi_DsNameInfo1 *info1)
640 if (format_offered != DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
641 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
645 switch (format_desired) {
646 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
647 cracked = ldb_dn_canonical_string(mem_ctx, name_dn);
649 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
650 cracked = ldb_dn_canonical_ex_string(mem_ctx, name_dn);
653 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
656 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
657 info1->result_name = cracked;
665 /* Given a filter for the domain, and one for the result, perform the
666 * ldb search. The format offered and desired flags change the
667 * behaviours, including what attributes to return.
669 * The smb_krb5_context is required because we use the krb5 libs for principal parsing
672 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
673 struct smb_krb5_context *smb_krb5_context,
674 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
675 struct ldb_dn *name_dn, const char *name,
676 const char *domain_filter, const char *result_filter,
677 struct drsuapi_DsNameInfo1 *info1)
680 struct ldb_result *domain_res = NULL;
681 const char * const *domain_attrs;
682 const char * const *result_attrs;
683 struct ldb_message **result_res = NULL;
684 struct ldb_message *result = NULL;
685 struct ldb_dn *result_basedn = NULL;
688 struct ldb_dn *partitions_basedn = samdb_partitions_dn(sam_ctx, mem_ctx);
690 const char * const _domain_attrs_1779[] = { "ncName", "dnsRoot", NULL};
691 const char * const _result_attrs_null[] = { NULL };
693 const char * const _domain_attrs_canonical[] = { "ncName", "dnsRoot", NULL};
694 const char * const _result_attrs_canonical[] = { "canonicalName", NULL };
696 const char * const _domain_attrs_nt4[] = { "ncName", "dnsRoot", "nETBIOSName", NULL};
697 const char * const _result_attrs_nt4[] = { "sAMAccountName", "objectSid", "objectClass", NULL};
699 const char * const _domain_attrs_guid[] = { "ncName", "dnsRoot", NULL};
700 const char * const _result_attrs_guid[] = { "objectGUID", NULL};
702 const char * const _domain_attrs_display[] = { "ncName", "dnsRoot", NULL};
703 const char * const _result_attrs_display[] = { "displayName", "samAccountName", NULL};
705 const char * const _domain_attrs_none[] = { "ncName", "dnsRoot" , NULL};
706 const char * const _result_attrs_none[] = { NULL};
708 /* here we need to set the attrs lists for domain and result lookups */
709 switch (format_desired) {
710 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779:
711 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
712 domain_attrs = _domain_attrs_1779;
713 result_attrs = _result_attrs_null;
715 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
716 domain_attrs = _domain_attrs_canonical;
717 result_attrs = _result_attrs_canonical;
719 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT:
720 domain_attrs = _domain_attrs_nt4;
721 result_attrs = _result_attrs_nt4;
723 case DRSUAPI_DS_NAME_FORMAT_GUID:
724 domain_attrs = _domain_attrs_guid;
725 result_attrs = _result_attrs_guid;
727 case DRSUAPI_DS_NAME_FORMAT_DISPLAY:
728 domain_attrs = _domain_attrs_display;
729 result_attrs = _result_attrs_display;
732 domain_attrs = _domain_attrs_none;
733 result_attrs = _result_attrs_none;
738 /* if we have a domain_filter look it up and set the result_basedn and the dns_domain_name */
739 ldb_ret = ldb_search_exp_fmt(sam_ctx, mem_ctx, &domain_res,
743 "%s", domain_filter);
745 if (ldb_ret != LDB_SUCCESS) {
746 DEBUG(2, ("DsCrackNameOneFilter domain ref search failed: %s", ldb_errstring(sam_ctx)));
747 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
751 switch (domain_res->count) {
755 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
758 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
762 info1->dns_domain_name = samdb_result_string(domain_res->msgs[0], "dnsRoot", NULL);
763 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
764 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
766 info1->dns_domain_name = NULL;
767 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
772 struct ldb_result *res;
774 result_basedn = samdb_result_dn(sam_ctx, mem_ctx, domain_res->msgs[0], "ncName", NULL);
776 ret = ldb_search_exp_fmt(sam_ctx, mem_ctx, &res,
777 result_basedn, LDB_SCOPE_SUBTREE,
778 result_attrs, "%s", result_filter);
779 if (ret != LDB_SUCCESS) {
780 talloc_free(result_res);
781 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
784 ldb_ret = res->count;
785 result_res = res->msgs;
787 /* search with the 'phantom root' flag */
788 struct ldb_request *req;
790 res = talloc_zero(mem_ctx, struct ldb_result);
791 W_ERROR_HAVE_NO_MEMORY(res);
793 ret = ldb_build_search_req(&req, sam_ctx, mem_ctx,
794 ldb_get_root_basedn(sam_ctx),
800 ldb_search_default_callback);
801 if (ret == LDB_SUCCESS) {
802 struct ldb_search_options_control *search_options;
803 search_options = talloc(req, struct ldb_search_options_control);
804 W_ERROR_HAVE_NO_MEMORY(search_options);
805 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
807 ret = ldb_request_add_control(req, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
809 if (ret != LDB_SUCCESS) {
811 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
815 ldb_set_timeout(sam_ctx, req, 0); /* use default timeout */
817 ret = ldb_request(sam_ctx, req);
819 if (ret == LDB_SUCCESS) {
820 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
825 if (ret != LDB_SUCCESS) {
826 DEBUG(2, ("DsCrackNameOneFilter phantom root search failed: %s",
827 ldb_errstring(sam_ctx)));
828 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
831 ldb_ret = res->count;
832 result_res = res->msgs;
834 } else if (format_offered == DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
835 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
837 } else if (domain_res) {
838 name_dn = samdb_result_dn(sam_ctx, mem_ctx, domain_res->msgs[0], "ncName", NULL);
839 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
843 DEBUG(0, ("LOGIC ERROR: DsCrackNameOneFilter domain ref search not availible: This can't happen..."));
844 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
850 result = result_res[0];
853 switch (format_offered) {
854 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL:
855 return DsCrackNameSPNAlias(sam_ctx, mem_ctx,
857 format_flags, format_offered, format_desired,
860 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL:
861 return DsCrackNameUPN(sam_ctx, mem_ctx, smb_krb5_context,
862 format_flags, format_offered, format_desired,
865 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
868 DEBUG(2, ("DsCrackNameOneFilter result search failed: %s", ldb_errstring(sam_ctx)));
869 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
872 switch (format_offered) {
873 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
874 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
876 const char *canonical_name = NULL; /* Not required, but we get warnings... */
877 /* We may need to manually filter further */
878 for (i = 0; i < ldb_ret; i++) {
879 switch (format_offered) {
880 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
881 canonical_name = ldb_dn_canonical_string(mem_ctx, result_res[i]->dn);
883 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
884 canonical_name = ldb_dn_canonical_ex_string(mem_ctx, result_res[i]->dn);
887 if (strcasecmp_m(canonical_name, name) == 0) {
888 result = result_res[i];
893 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
898 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
903 info1->dns_domain_name = ldb_dn_canonical_string(mem_ctx, result->dn);
904 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
905 p = strchr(info1->dns_domain_name, '/');
910 /* here we can use result and domain_res[0] */
911 switch (format_desired) {
912 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
913 info1->result_name = ldb_dn_alloc_linearized(mem_ctx, result->dn);
914 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
916 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
919 case DRSUAPI_DS_NAME_FORMAT_CANONICAL: {
920 info1->result_name = samdb_result_string(result, "canonicalName", NULL);
921 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
924 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX: {
925 /* Not in the virtual ldb attribute */
926 return DsCrackNameOneSyntactical(mem_ctx,
927 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
928 DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX,
929 result->dn, name, info1);
931 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
933 const struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, result, "objectSid");
934 const char *_acc = "", *_dom = "";
936 if (samdb_find_attribute(sam_ctx, result, "objectClass", "domain")) {
938 ldb_ret = ldb_search_exp_fmt(sam_ctx, mem_ctx, &domain_res,
942 "(ncName=%s)", ldb_dn_get_linearized(result->dn));
944 if (ldb_ret != LDB_SUCCESS) {
945 DEBUG(2, ("DsCrackNameOneFilter domain ref search failed: %s", ldb_errstring(sam_ctx)));
946 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
950 switch (domain_res->count) {
954 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
957 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
960 _dom = samdb_result_string(domain_res->msgs[0], "nETBIOSName", NULL);
961 W_ERROR_HAVE_NO_MEMORY(_dom);
963 _acc = samdb_result_string(result, "sAMAccountName", NULL);
965 info1->status = DRSUAPI_DS_NAME_STATUS_NO_MAPPING;
968 if (dom_sid_in_domain(dom_sid_parse_talloc(mem_ctx, SID_BUILTIN), sid)) {
971 const char *attrs[] = { NULL };
972 struct ldb_result *domain_res2;
973 struct dom_sid *dom_sid = dom_sid_dup(mem_ctx, sid);
977 dom_sid->num_auths--;
978 ldb_ret = ldb_search_exp_fmt(sam_ctx, mem_ctx, &domain_res,
982 "(&(objectSid=%s)(objectClass=domain))",
983 ldap_encode_ndr_dom_sid(mem_ctx, dom_sid));
985 if (ldb_ret != LDB_SUCCESS) {
986 DEBUG(2, ("DsCrackNameOneFilter domain search failed: %s", ldb_errstring(sam_ctx)));
987 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
991 switch (domain_res->count) {
995 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
998 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
1002 ldb_ret = ldb_search_exp_fmt(sam_ctx, mem_ctx, &domain_res2,
1006 "(ncName=%s)", ldb_dn_get_linearized(domain_res->msgs[0]->dn));
1008 if (ldb_ret != LDB_SUCCESS) {
1009 DEBUG(2, ("DsCrackNameOneFilter domain ref search failed: %s", ldb_errstring(sam_ctx)));
1010 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
1014 switch (domain_res2->count) {
1018 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
1021 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
1024 _dom = samdb_result_string(domain_res2->msgs[0], "nETBIOSName", NULL);
1025 W_ERROR_HAVE_NO_MEMORY(_dom);
1029 info1->result_name = talloc_asprintf(mem_ctx, "%s\\%s", _dom, _acc);
1030 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
1032 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
1035 case DRSUAPI_DS_NAME_FORMAT_GUID: {
1038 guid = samdb_result_guid(result, "objectGUID");
1040 info1->result_name = GUID_string2(mem_ctx, &guid);
1041 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
1043 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
1046 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
1047 info1->result_name = samdb_result_string(result, "displayName", NULL);
1048 if (!info1->result_name) {
1049 info1->result_name = samdb_result_string(result, "sAMAccountName", NULL);
1051 if (!info1->result_name) {
1052 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
1054 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
1058 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL: {
1059 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
1062 case DRSUAPI_DS_NAME_FORMAT_DNS_DOMAIN:
1063 case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
1064 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
1068 info1->status = DRSUAPI_DS_NAME_STATUS_NO_MAPPING;
1073 /* Given a user Principal Name (such as foo@bar.com),
1074 * return the user and domain DNs. This is used in the KDC to then
1075 * return the Keys and evaluate policy */
1077 NTSTATUS crack_user_principal_name(struct ldb_context *sam_ctx,
1078 TALLOC_CTX *mem_ctx,
1079 const char *user_principal_name,
1080 struct ldb_dn **user_dn,
1081 struct ldb_dn **domain_dn)
1084 struct drsuapi_DsNameInfo1 info1;
1085 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1086 DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL,
1087 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1088 user_principal_name,
1090 if (!W_ERROR_IS_OK(werr)) {
1091 return werror_to_ntstatus(werr);
1093 switch (info1.status) {
1094 case DRSUAPI_DS_NAME_STATUS_OK:
1096 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1097 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1098 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1099 return NT_STATUS_NO_SUCH_USER;
1100 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1102 return NT_STATUS_UNSUCCESSFUL;
1105 *user_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1108 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1109 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
1110 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1111 talloc_asprintf(mem_ctx, "%s/",
1112 info1.dns_domain_name),
1114 if (!W_ERROR_IS_OK(werr)) {
1115 return werror_to_ntstatus(werr);
1117 switch (info1.status) {
1118 case DRSUAPI_DS_NAME_STATUS_OK:
1120 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1121 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1122 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1123 return NT_STATUS_NO_SUCH_USER;
1124 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1126 return NT_STATUS_UNSUCCESSFUL;
1129 *domain_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1132 return NT_STATUS_OK;
1136 /* Given a Service Principal Name (such as host/foo.bar.com@BAR.COM),
1137 * return the user and domain DNs. This is used in the KDC to then
1138 * return the Keys and evaluate policy */
1140 NTSTATUS crack_service_principal_name(struct ldb_context *sam_ctx,
1141 TALLOC_CTX *mem_ctx,
1142 const char *service_principal_name,
1143 struct ldb_dn **user_dn,
1144 struct ldb_dn **domain_dn)
1147 struct drsuapi_DsNameInfo1 info1;
1148 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1149 DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL,
1150 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1151 service_principal_name,
1153 if (!W_ERROR_IS_OK(werr)) {
1154 return werror_to_ntstatus(werr);
1156 switch (info1.status) {
1157 case DRSUAPI_DS_NAME_STATUS_OK:
1159 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1160 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1161 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1162 return NT_STATUS_NO_SUCH_USER;
1163 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1165 return NT_STATUS_UNSUCCESSFUL;
1168 *user_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1171 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1172 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
1173 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1174 talloc_asprintf(mem_ctx, "%s/",
1175 info1.dns_domain_name),
1177 if (!W_ERROR_IS_OK(werr)) {
1178 return werror_to_ntstatus(werr);
1180 switch (info1.status) {
1181 case DRSUAPI_DS_NAME_STATUS_OK:
1183 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1184 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1185 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1186 return NT_STATUS_NO_SUCH_USER;
1187 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1189 return NT_STATUS_UNSUCCESSFUL;
1192 *domain_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1195 return NT_STATUS_OK;
1199 NTSTATUS crack_name_to_nt4_name(TALLOC_CTX *mem_ctx,
1200 struct event_context *ev_ctx,
1201 struct loadparm_context *lp_ctx,
1202 uint32_t format_offered,
1204 const char **nt4_domain, const char **nt4_account)
1207 struct drsuapi_DsNameInfo1 info1;
1208 struct ldb_context *ldb;
1211 /* Handle anonymous bind */
1212 if (!name || !*name) {
1215 return NT_STATUS_OK;
1218 ldb = samdb_connect(mem_ctx, ev_ctx, lp_ctx, system_session(mem_ctx, lp_ctx));
1220 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1223 werr = DsCrackNameOneName(ldb, mem_ctx, 0,
1225 DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT,
1228 if (!W_ERROR_IS_OK(werr)) {
1229 return werror_to_ntstatus(werr);
1231 switch (info1.status) {
1232 case DRSUAPI_DS_NAME_STATUS_OK:
1234 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1235 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1236 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1237 return NT_STATUS_NO_SUCH_USER;
1238 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1240 return NT_STATUS_UNSUCCESSFUL;
1243 *nt4_domain = talloc_strdup(mem_ctx, info1.result_name);
1245 p = strchr(*nt4_domain, '\\');
1247 return NT_STATUS_INVALID_PARAMETER;
1252 *nt4_account = talloc_strdup(mem_ctx, &p[1]);
1255 if (!*nt4_account || !*nt4_domain) {
1256 return NT_STATUS_NO_MEMORY;
1259 return NT_STATUS_OK;
1262 NTSTATUS crack_auto_name_to_nt4_name(TALLOC_CTX *mem_ctx,
1263 struct event_context *ev_ctx,
1264 struct loadparm_context *lp_ctx,
1266 const char **nt4_domain,
1267 const char **nt4_account)
1269 uint32_t format_offered = DRSUAPI_DS_NAME_FORMAT_UKNOWN;
1271 /* Handle anonymous bind */
1272 if (!name || !*name) {
1275 return NT_STATUS_OK;
1278 if (strchr_m(name, '=')) {
1279 format_offered = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
1280 } else if (strchr_m(name, '@')) {
1281 format_offered = DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL;
1282 } else if (strchr_m(name, '\\')) {
1283 format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
1284 } else if (strchr_m(name, '/')) {
1285 format_offered = DRSUAPI_DS_NAME_FORMAT_CANONICAL;
1288 return crack_name_to_nt4_name(mem_ctx, ev_ctx, lp_ctx, format_offered, name, nt4_domain, nt4_account);