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_errors.h"
28 #include "system/kerberos.h"
29 #include "auth/kerberos/kerberos.h"
30 #include "libcli/ldap/ldap.h"
31 #include "libcli/security/security.h"
32 #include "librpc/gen_ndr/ndr_misc.h"
33 #include "auth/auth.h"
35 #include "dsdb/samdb/samdb.h"
37 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
38 struct smb_krb5_context *smb_krb5_context,
39 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
40 struct ldb_dn *name_dn, const char *name,
41 const char *domain_filter, const char *result_filter,
42 struct drsuapi_DsNameInfo1 *info1);
43 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
44 uint32_t format_offered, uint32_t format_desired,
45 struct ldb_dn *name_dn, const char *name,
46 struct drsuapi_DsNameInfo1 *info1);
48 static WERROR dns_domain_from_principal(struct smb_krb5_context *smb_krb5_context,
50 struct drsuapi_DsNameInfo1 *info1)
53 krb5_principal principal;
54 /* perhaps it's a principal with a realm, so return the right 'domain only' response */
56 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
57 KRB5_PRINCIPAL_PARSE_MUST_REALM, &principal);
59 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
63 /* This isn't an allocation assignemnt, so it is free'ed with the krb5_free_principal */
64 realm = krb5_princ_realm(smb_krb5_context->krb5_context, principal);
66 info1->dns_domain_name = talloc_strdup(info1, *realm);
67 krb5_free_principal(smb_krb5_context->krb5_context, principal);
69 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
71 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
75 static enum drsuapi_DsNameStatus LDB_lookup_spn_alias(krb5_context context, struct ldb_context *ldb_ctx,
77 const char *alias_from,
82 struct ldb_result *res;
83 struct ldb_message_element *spnmappings;
85 struct ldb_dn *service_dn;
88 const char *directory_attrs[] = {
93 tmp_ctx = talloc_new(mem_ctx);
95 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
98 service_dn = ldb_dn_new(tmp_ctx, ldb_ctx, "CN=Directory Service,CN=Windows NT,CN=Services");
99 if ( ! ldb_dn_add_base(service_dn, samdb_config_dn(ldb_ctx))) {
100 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
102 service_dn_str = ldb_dn_alloc_linearized(tmp_ctx, service_dn);
103 if ( ! service_dn_str) {
104 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
107 ret = ldb_search(ldb_ctx, service_dn, LDB_SCOPE_BASE, "(objectClass=nTDSService)",
108 directory_attrs, &res);
110 if (ret != LDB_SUCCESS) {
111 DEBUG(1, ("ldb_search: dn: %s not found: %s", service_dn_str, ldb_errstring(ldb_ctx)));
112 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
113 } else if (res->count != 1) {
115 DEBUG(1, ("ldb_search: dn: %s found %d times!", service_dn_str, res->count));
116 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
118 talloc_steal(tmp_ctx, res);
120 spnmappings = ldb_msg_find_element(res->msgs[0], "sPNMappings");
121 if (!spnmappings || spnmappings->num_values == 0) {
122 DEBUG(1, ("ldb_search: dn: %s no sPNMappings attribute", service_dn_str));
123 talloc_free(tmp_ctx);
124 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
127 for (i = 0; i < spnmappings->num_values; i++) {
128 char *mapping, *p, *str;
129 mapping = talloc_strdup(tmp_ctx,
130 (const char *)spnmappings->values[i].data);
132 DEBUG(1, ("LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping\n", service_dn_str));
133 talloc_free(tmp_ctx);
134 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
137 /* C string manipulation sucks */
139 p = strchr(mapping, '=');
141 DEBUG(1, ("ldb_search: dn: %s sPNMapping malformed: %s\n",
142 service_dn_str, mapping));
143 talloc_free(tmp_ctx);
144 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
155 if (strcasecmp(str, alias_from) == 0) {
157 talloc_steal(mem_ctx, mapping);
158 talloc_free(tmp_ctx);
159 return DRSUAPI_DS_NAME_STATUS_OK;
163 DEBUG(4, ("LDB_lookup_spn_alias: no alias for service %s applicable\n", alias_from));
164 talloc_free(tmp_ctx);
165 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
168 /* When cracking a ServicePrincipalName, many services may be served
169 * by the host/ servicePrincipalName. The incoming query is for cifs/
170 * but we translate it here, and search on host/. This is done after
171 * the cifs/ entry has been searched for, making this a fallback */
173 static WERROR DsCrackNameSPNAlias(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
174 struct smb_krb5_context *smb_krb5_context,
175 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
176 const char *name, struct drsuapi_DsNameInfo1 *info1)
180 krb5_principal principal;
181 const char *service, *dns_name;
184 enum drsuapi_DsNameStatus namestatus;
186 /* parse principal */
187 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context,
188 name, KRB5_PRINCIPAL_PARSE_NO_REALM, &principal);
190 DEBUG(2, ("Could not parse principal: %s: %s",
191 name, smb_get_krb5_error_message(smb_krb5_context->krb5_context,
196 /* grab cifs/, http/ etc */
198 /* This is checked for in callers, but be safe */
199 if (principal->name.name_string.len < 2) {
200 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
203 service = principal->name.name_string.val[0];
204 dns_name = principal->name.name_string.val[1];
207 namestatus = LDB_lookup_spn_alias(smb_krb5_context->krb5_context,
209 service, &new_service);
211 if (namestatus == DRSUAPI_DS_NAME_STATUS_NOT_FOUND) {
212 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
213 info1->dns_domain_name = talloc_strdup(mem_ctx, dns_name);
214 if (!info1->dns_domain_name) {
215 krb5_free_principal(smb_krb5_context->krb5_context, principal);
219 } else if (namestatus != DRSUAPI_DS_NAME_STATUS_OK) {
220 info1->status = namestatus;
221 krb5_free_principal(smb_krb5_context->krb5_context, principal);
225 /* ooh, very nasty playing around in the Principal... */
226 free(principal->name.name_string.val[0]);
227 principal->name.name_string.val[0] = strdup(new_service);
228 if (!principal->name.name_string.val[0]) {
229 krb5_free_principal(smb_krb5_context->krb5_context, principal);
233 /* reform principal */
234 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
235 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &new_princ);
238 krb5_free_principal(smb_krb5_context->krb5_context, principal);
242 wret = DsCrackNameOneName(sam_ctx, mem_ctx, format_flags, format_offered, format_desired,
245 if (W_ERROR_IS_OK(wret) && (info1->status == DRSUAPI_DS_NAME_STATUS_NOT_FOUND)) {
246 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
247 info1->dns_domain_name = talloc_strdup(mem_ctx, dns_name);
248 if (!info1->dns_domain_name) {
252 krb5_free_principal(smb_krb5_context->krb5_context, principal);
256 /* Subcase of CrackNames, for the userPrincipalName */
258 static WERROR DsCrackNameUPN(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
259 struct smb_krb5_context *smb_krb5_context,
260 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
261 const char *name, struct drsuapi_DsNameInfo1 *info1)
265 const char *domain_filter = NULL;
266 const char *result_filter = NULL;
268 krb5_principal principal;
270 char *unparsed_name_short;
271 const char *domain_attrs[] = { NULL };
272 struct ldb_message **domain_res = NULL;
274 /* Prevent recursion */
276 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
280 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
281 KRB5_PRINCIPAL_PARSE_MUST_REALM, &principal);
283 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
287 domain_filter = NULL;
288 realm = krb5_princ_realm(smb_krb5_context->krb5_context, principal);
289 domain_filter = talloc_asprintf(mem_ctx,
290 "(&(&(|(&(dnsRoot=%s)(nETBIOSName=*))(nETBIOSName=%s))(objectclass=crossRef))(ncName=*))",
291 ldb_binary_encode_string(mem_ctx, *realm),
292 ldb_binary_encode_string(mem_ctx, *realm));
294 ldb_ret = gendb_search(sam_ctx, mem_ctx, samdb_partitions_dn(sam_ctx, mem_ctx),
295 &domain_res, domain_attrs,
296 "%s", domain_filter);
301 return dns_domain_from_principal(smb_krb5_context,
304 DEBUG(2, ("DsCrackNameUPN domain ref search failed: %s", ldb_errstring(sam_ctx)));
305 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
308 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
312 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
313 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &unparsed_name_short);
314 krb5_free_principal(smb_krb5_context->krb5_context, principal);
317 free(unparsed_name_short);
321 /* This may need to be extended for more userPrincipalName variations */
322 result_filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
323 ldb_binary_encode_string(mem_ctx, unparsed_name_short));
324 if (!result_filter || !domain_filter) {
325 free(unparsed_name_short);
328 status = DsCrackNameOneFilter(sam_ctx, mem_ctx,
330 format_flags, format_offered, format_desired,
331 NULL, unparsed_name_short, domain_filter, result_filter,
333 free(unparsed_name_short);
338 /* Crack a single 'name', from format_offered into format_desired, returning the result in info1 */
340 WERROR DsCrackNameOneName(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
341 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
342 const char *name, struct drsuapi_DsNameInfo1 *info1)
345 const char *domain_filter = NULL;
346 const char *result_filter = NULL;
347 struct ldb_dn *name_dn = NULL;
349 struct smb_krb5_context *smb_krb5_context;
350 ret = smb_krb5_init_context(mem_ctx,
351 ldb_get_opaque(sam_ctx, "EventContext"),
358 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
359 info1->dns_domain_name = NULL;
360 info1->result_name = NULL;
363 return WERR_INVALID_PARAM;
366 /* TODO: - fill the correct names in all cases!
367 * - handle format_flags
370 /* here we need to set the domain_filter and/or the result_filter */
371 switch (format_offered) {
372 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
373 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
375 char *str, *s, *account;
377 if (strlen(name) == 0) {
378 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
382 str = talloc_strdup(mem_ctx, name);
383 W_ERROR_HAVE_NO_MEMORY(str);
385 if (format_offered == DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX) {
386 /* Look backwards for the \n, and replace it with / */
387 s = strrchr(str, '\n');
389 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
395 s = strchr(str, '/');
397 /* there must be at least one / */
398 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
405 domain_filter = talloc_asprintf(mem_ctx, "(&(objectClass=crossRef)(ncName=%s))",
406 ldb_dn_get_linearized(samdb_dns_domain_to_dn(sam_ctx, mem_ctx, str)));
407 W_ERROR_HAVE_NO_MEMORY(domain_filter);
409 /* There may not be anything after the domain component (search for the domain itself) */
412 account = strrchr(s, '/');
418 account = ldb_binary_encode_string(mem_ctx, account);
419 W_ERROR_HAVE_NO_MEMORY(account);
420 result_filter = talloc_asprintf(mem_ctx, "(name=%s)",
422 W_ERROR_HAVE_NO_MEMORY(result_filter);
426 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
429 const char *account = NULL;
431 domain = talloc_strdup(mem_ctx, name);
432 W_ERROR_HAVE_NO_MEMORY(domain);
434 p = strchr(domain, '\\');
436 /* invalid input format */
437 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
446 domain_filter = talloc_asprintf(mem_ctx,
447 "(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))",
448 ldb_binary_encode_string(mem_ctx, domain));
449 W_ERROR_HAVE_NO_MEMORY(domain_filter);
451 result_filter = talloc_asprintf(mem_ctx, "(sAMAccountName=%s)",
452 ldb_binary_encode_string(mem_ctx, account));
453 W_ERROR_HAVE_NO_MEMORY(result_filter);
460 /* A LDAP DN as a string */
461 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
462 domain_filter = NULL;
463 name_dn = ldb_dn_new(mem_ctx, sam_ctx, name);
464 if (! ldb_dn_validate(name_dn)) {
465 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
471 /* A GUID as a string */
472 case DRSUAPI_DS_NAME_FORMAT_GUID: {
476 domain_filter = NULL;
478 nt_status = GUID_from_string(name, &guid);
479 if (!NT_STATUS_IS_OK(nt_status)) {
480 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
484 ldap_guid = ldap_encode_ndr_GUID(mem_ctx, &guid);
488 result_filter = talloc_asprintf(mem_ctx, "(objectGUID=%s)",
490 W_ERROR_HAVE_NO_MEMORY(result_filter);
493 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
494 domain_filter = NULL;
496 result_filter = talloc_asprintf(mem_ctx, "(|(displayName=%s)(samAccountName=%s))",
497 ldb_binary_encode_string(mem_ctx, name),
498 ldb_binary_encode_string(mem_ctx, name));
499 W_ERROR_HAVE_NO_MEMORY(result_filter);
503 /* A S-1234-5678 style string */
504 case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
505 struct dom_sid *sid = dom_sid_parse_talloc(mem_ctx, name);
508 domain_filter = NULL;
510 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
513 ldap_sid = ldap_encode_ndr_dom_sid(mem_ctx,
518 result_filter = talloc_asprintf(mem_ctx, "(objectSid=%s)",
520 W_ERROR_HAVE_NO_MEMORY(result_filter);
523 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL: {
524 krb5_principal principal;
526 ret = krb5_parse_name(smb_krb5_context->krb5_context, name, &principal);
528 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
532 domain_filter = NULL;
534 ret = krb5_unparse_name(smb_krb5_context->krb5_context, principal, &unparsed_name);
536 krb5_free_principal(smb_krb5_context->krb5_context, principal);
540 krb5_free_principal(smb_krb5_context->krb5_context, principal);
541 result_filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(userPrincipalName=%s))",
542 ldb_binary_encode_string(mem_ctx, unparsed_name));
545 W_ERROR_HAVE_NO_MEMORY(result_filter);
548 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL: {
549 krb5_principal principal;
550 char *unparsed_name_short;
552 ret = krb5_parse_name(smb_krb5_context->krb5_context, name, &principal);
553 if (ret == 0 && principal->name.name_string.len < 2) {
554 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
555 krb5_free_principal(smb_krb5_context->krb5_context, principal);
558 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
559 KRB5_PRINCIPAL_PARSE_NO_REALM, &principal);
561 krb5_free_principal(smb_krb5_context->krb5_context, principal);
563 return dns_domain_from_principal(smb_krb5_context,
567 domain_filter = NULL;
569 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
570 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &unparsed_name_short);
572 krb5_free_principal(smb_krb5_context->krb5_context, principal);
576 service = principal->name.name_string.val[0];
577 if ((principal->name.name_string.len == 2) && (strcasecmp(service, "host") == 0)) {
578 /* the 'cn' attribute is just the leading part of the name */
580 computer_name = talloc_strndup(mem_ctx, principal->name.name_string.val[1],
581 strcspn(principal->name.name_string.val[1], "."));
582 if (computer_name == NULL) {
586 result_filter = talloc_asprintf(mem_ctx, "(|(&(servicePrincipalName=%s)(objectClass=user))(&(cn=%s)(objectClass=computer)))",
587 ldb_binary_encode_string(mem_ctx, unparsed_name_short),
588 ldb_binary_encode_string(mem_ctx, computer_name));
590 result_filter = talloc_asprintf(mem_ctx, "(&(servicePrincipalName=%s)(objectClass=user))",
591 ldb_binary_encode_string(mem_ctx, unparsed_name_short));
593 krb5_free_principal(smb_krb5_context->krb5_context, principal);
594 free(unparsed_name_short);
595 W_ERROR_HAVE_NO_MEMORY(result_filter);
600 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
606 if (format_flags & DRSUAPI_DS_NAME_FLAG_SYNTACTICAL_ONLY) {
607 return DsCrackNameOneSyntactical(mem_ctx, format_offered, format_desired,
608 name_dn, name, info1);
611 return DsCrackNameOneFilter(sam_ctx, mem_ctx,
613 format_flags, format_offered, format_desired,
615 domain_filter, result_filter,
619 /* Subcase of CrackNames. It is possible to translate a LDAP-style DN
620 * (FQDN_1779) into a canoical name without actually searching the
623 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
624 uint32_t format_offered, uint32_t format_desired,
625 struct ldb_dn *name_dn, const char *name,
626 struct drsuapi_DsNameInfo1 *info1)
629 if (format_offered != DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
630 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
634 switch (format_desired) {
635 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
636 cracked = ldb_dn_canonical_string(mem_ctx, name_dn);
638 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
639 cracked = ldb_dn_canonical_ex_string(mem_ctx, name_dn);
642 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
645 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
646 info1->result_name = cracked;
654 /* Given a filter for the domain, and one for the result, perform the
655 * ldb search. The format offered and desired flags change the
656 * behaviours, including what attributes to return.
658 * The smb_krb5_context is required because we use the krb5 libs for principal parsing
661 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
662 struct smb_krb5_context *smb_krb5_context,
663 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
664 struct ldb_dn *name_dn, const char *name,
665 const char *domain_filter, const char *result_filter,
666 struct drsuapi_DsNameInfo1 *info1)
669 struct ldb_message **domain_res = NULL;
670 const char * const *domain_attrs;
671 const char * const *result_attrs;
672 struct ldb_message **result_res = NULL;
673 struct ldb_message *result = NULL;
674 struct ldb_dn *result_basedn = NULL;
675 struct ldb_dn *partitions_basedn = samdb_partitions_dn(sam_ctx, mem_ctx);
679 const char * const _domain_attrs_1779[] = { "ncName", "dnsRoot", NULL};
680 const char * const _result_attrs_null[] = { NULL };
682 const char * const _domain_attrs_canonical[] = { "ncName", "dnsRoot", NULL};
683 const char * const _result_attrs_canonical[] = { "canonicalName", NULL };
685 const char * const _domain_attrs_nt4[] = { "ncName", "dnsRoot", "nETBIOSName", NULL};
686 const char * const _result_attrs_nt4[] = { "sAMAccountName", "objectSid", "objectClass", NULL};
688 const char * const _domain_attrs_guid[] = { "ncName", "dnsRoot", NULL};
689 const char * const _result_attrs_guid[] = { "objectGUID", NULL};
691 const char * const _domain_attrs_display[] = { "ncName", "dnsRoot", NULL};
692 const char * const _result_attrs_display[] = { "displayName", "samAccountName", NULL};
694 const char * const _domain_attrs_none[] = { "ncName", "dnsRoot" , NULL};
695 const char * const _result_attrs_none[] = { NULL};
697 /* here we need to set the attrs lists for domain and result lookups */
698 switch (format_desired) {
699 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779:
700 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
701 domain_attrs = _domain_attrs_1779;
702 result_attrs = _result_attrs_null;
704 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
705 domain_attrs = _domain_attrs_canonical;
706 result_attrs = _result_attrs_canonical;
708 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT:
709 domain_attrs = _domain_attrs_nt4;
710 result_attrs = _result_attrs_nt4;
712 case DRSUAPI_DS_NAME_FORMAT_GUID:
713 domain_attrs = _domain_attrs_guid;
714 result_attrs = _result_attrs_guid;
716 case DRSUAPI_DS_NAME_FORMAT_DISPLAY:
717 domain_attrs = _domain_attrs_display;
718 result_attrs = _result_attrs_display;
721 domain_attrs = _domain_attrs_none;
722 result_attrs = _result_attrs_none;
727 /* if we have a domain_filter look it up and set the result_basedn and the dns_domain_name */
728 ldb_ret = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &domain_res, domain_attrs,
729 "%s", domain_filter);
734 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
737 DEBUG(2, ("DsCrackNameOneFilter domain ref search failed: %s", ldb_errstring(sam_ctx)));
738 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
741 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
745 info1->dns_domain_name = samdb_result_string(domain_res[0], "dnsRoot", NULL);
746 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
747 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
749 info1->dns_domain_name = NULL;
750 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
755 result_basedn = samdb_result_dn(sam_ctx, mem_ctx, domain_res[0], "ncName", NULL);
757 ldb_ret = gendb_search(sam_ctx, mem_ctx, result_basedn, &result_res,
758 result_attrs, "%s", result_filter);
760 /* search with the 'phantom root' flag */
761 struct ldb_request *req;
763 struct ldb_result *res;
765 res = talloc_zero(mem_ctx, struct ldb_result);
766 W_ERROR_HAVE_NO_MEMORY(res);
768 ret = ldb_build_search_req(&req, sam_ctx, mem_ctx,
769 ldb_get_root_basedn(sam_ctx),
775 ldb_search_default_callback);
776 if (ret == LDB_SUCCESS) {
777 struct ldb_search_options_control *search_options;
778 search_options = talloc(req, struct ldb_search_options_control);
779 W_ERROR_HAVE_NO_MEMORY(search_options);
780 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
782 ret = ldb_request_add_control(req, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
784 if (ret != LDB_SUCCESS) {
786 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
790 ldb_set_timeout(sam_ctx, req, 0); /* use default timeout */
792 ret = ldb_request(sam_ctx, req);
794 if (ret == LDB_SUCCESS) {
795 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
800 if (ret != LDB_SUCCESS) {
801 DEBUG(2, ("DsCrackNameOneFilter phantom root search failed: %s",
802 ldb_errstring(sam_ctx)));
803 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
806 ldb_ret = res->count;
807 result_res = res->msgs;
809 } else if (format_offered == DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
810 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
812 } else if (domain_res) {
813 name_dn = samdb_result_dn(sam_ctx, mem_ctx, domain_res[0], "ncName", NULL);
814 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
818 DEBUG(0, ("LOGIC ERROR: DsCrackNameOneFilter domain ref search not availible: This can't happen..."));
819 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
825 result = result_res[0];
828 switch (format_offered) {
829 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL:
830 return DsCrackNameSPNAlias(sam_ctx, mem_ctx,
832 format_flags, format_offered, format_desired,
835 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL:
836 return DsCrackNameUPN(sam_ctx, mem_ctx, smb_krb5_context,
837 format_flags, format_offered, format_desired,
840 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
843 DEBUG(2, ("DsCrackNameOneFilter result search failed: %s", ldb_errstring(sam_ctx)));
844 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
847 switch (format_offered) {
848 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
849 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
851 const char *canonical_name = NULL; /* Not required, but we get warnings... */
852 /* We may need to manually filter further */
853 for (i = 0; i < ldb_ret; i++) {
854 switch (format_offered) {
855 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
856 canonical_name = ldb_dn_canonical_string(mem_ctx, result_res[i]->dn);
858 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
859 canonical_name = ldb_dn_canonical_ex_string(mem_ctx, result_res[i]->dn);
862 if (strcasecmp_m(canonical_name, name) == 0) {
863 result = result_res[i];
868 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
873 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
878 info1->dns_domain_name = ldb_dn_canonical_string(mem_ctx, result->dn);
879 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
880 p = strchr(info1->dns_domain_name, '/');
885 /* here we can use result and domain_res[0] */
886 switch (format_desired) {
887 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
888 info1->result_name = ldb_dn_alloc_linearized(mem_ctx, result->dn);
889 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
891 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
894 case DRSUAPI_DS_NAME_FORMAT_CANONICAL: {
895 info1->result_name = samdb_result_string(result, "canonicalName", NULL);
896 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
899 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX: {
900 /* Not in the virtual ldb attribute */
901 return DsCrackNameOneSyntactical(mem_ctx,
902 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
903 DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX,
904 result->dn, name, info1);
906 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
908 const struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, result, "objectSid");
909 const char *_acc = "", *_dom = "";
911 if (samdb_find_attribute(sam_ctx, result, "objectClass", "domain")) {
912 ldb_ret = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &domain_res, domain_attrs,
913 "(ncName=%s)", ldb_dn_get_linearized(result->dn));
915 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
918 _dom = samdb_result_string(domain_res[0], "nETBIOSName", NULL);
919 W_ERROR_HAVE_NO_MEMORY(_dom);
921 _acc = samdb_result_string(result, "sAMAccountName", NULL);
923 info1->status = DRSUAPI_DS_NAME_STATUS_NO_MAPPING;
926 if (dom_sid_in_domain(dom_sid_parse_talloc(mem_ctx, SID_BUILTIN), sid)) {
929 const char *attrs[] = { NULL };
930 struct ldb_message **domain_res2;
931 struct dom_sid *dom_sid = dom_sid_dup(mem_ctx, sid);
935 dom_sid->num_auths--;
936 ldb_ret = gendb_search(sam_ctx, mem_ctx, NULL, &domain_res, attrs,
937 "(&(objectSid=%s)(objectClass=domain))", ldap_encode_ndr_dom_sid(mem_ctx, dom_sid));
939 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
942 ldb_ret = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &domain_res2, domain_attrs,
943 "(ncName=%s)", ldb_dn_get_linearized(domain_res[0]->dn));
945 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
949 _dom = samdb_result_string(domain_res2[0], "nETBIOSName", NULL);
950 W_ERROR_HAVE_NO_MEMORY(_dom);
954 info1->result_name = talloc_asprintf(mem_ctx, "%s\\%s", _dom, _acc);
955 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
957 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
960 case DRSUAPI_DS_NAME_FORMAT_GUID: {
963 guid = samdb_result_guid(result, "objectGUID");
965 info1->result_name = GUID_string2(mem_ctx, &guid);
966 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
968 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
971 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
972 info1->result_name = samdb_result_string(result, "displayName", NULL);
973 if (!info1->result_name) {
974 info1->result_name = samdb_result_string(result, "sAMAccountName", NULL);
976 if (!info1->result_name) {
977 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
979 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
983 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL: {
984 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
987 case DRSUAPI_DS_NAME_FORMAT_DNS_DOMAIN:
988 case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
989 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
993 info1->status = DRSUAPI_DS_NAME_STATUS_NO_MAPPING;
998 /* Given a user Principal Name (such as foo@bar.com),
999 * return the user and domain DNs. This is used in the KDC to then
1000 * return the Keys and evaluate policy */
1002 NTSTATUS crack_user_principal_name(struct ldb_context *sam_ctx,
1003 TALLOC_CTX *mem_ctx,
1004 const char *user_principal_name,
1005 struct ldb_dn **user_dn,
1006 struct ldb_dn **domain_dn)
1009 struct drsuapi_DsNameInfo1 info1;
1010 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1011 DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL,
1012 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1013 user_principal_name,
1015 if (!W_ERROR_IS_OK(werr)) {
1016 return werror_to_ntstatus(werr);
1018 switch (info1.status) {
1019 case DRSUAPI_DS_NAME_STATUS_OK:
1021 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1022 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1023 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1024 return NT_STATUS_NO_SUCH_USER;
1025 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1027 return NT_STATUS_UNSUCCESSFUL;
1030 *user_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1033 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1034 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
1035 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1036 talloc_asprintf(mem_ctx, "%s/",
1037 info1.dns_domain_name),
1039 if (!W_ERROR_IS_OK(werr)) {
1040 return werror_to_ntstatus(werr);
1042 switch (info1.status) {
1043 case DRSUAPI_DS_NAME_STATUS_OK:
1045 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1046 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1047 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1048 return NT_STATUS_NO_SUCH_USER;
1049 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1051 return NT_STATUS_UNSUCCESSFUL;
1054 *domain_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1057 return NT_STATUS_OK;
1061 /* Given a Service Principal Name (such as host/foo.bar.com@BAR.COM),
1062 * return the user and domain DNs. This is used in the KDC to then
1063 * return the Keys and evaluate policy */
1065 NTSTATUS crack_service_principal_name(struct ldb_context *sam_ctx,
1066 TALLOC_CTX *mem_ctx,
1067 const char *service_principal_name,
1068 struct ldb_dn **user_dn,
1069 struct ldb_dn **domain_dn)
1072 struct drsuapi_DsNameInfo1 info1;
1073 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1074 DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL,
1075 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1076 service_principal_name,
1078 if (!W_ERROR_IS_OK(werr)) {
1079 return werror_to_ntstatus(werr);
1081 switch (info1.status) {
1082 case DRSUAPI_DS_NAME_STATUS_OK:
1084 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1085 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1086 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1087 return NT_STATUS_NO_SUCH_USER;
1088 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1090 return NT_STATUS_UNSUCCESSFUL;
1093 *user_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1096 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
1097 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
1098 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
1099 talloc_asprintf(mem_ctx, "%s/",
1100 info1.dns_domain_name),
1102 if (!W_ERROR_IS_OK(werr)) {
1103 return werror_to_ntstatus(werr);
1105 switch (info1.status) {
1106 case DRSUAPI_DS_NAME_STATUS_OK:
1108 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1109 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1110 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1111 return NT_STATUS_NO_SUCH_USER;
1112 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1114 return NT_STATUS_UNSUCCESSFUL;
1117 *domain_dn = ldb_dn_new(mem_ctx, sam_ctx, info1.result_name);
1120 return NT_STATUS_OK;
1124 NTSTATUS crack_name_to_nt4_name(TALLOC_CTX *mem_ctx,
1125 uint32_t format_offered,
1127 const char **nt4_domain, const char **nt4_account)
1130 struct drsuapi_DsNameInfo1 info1;
1131 struct ldb_context *ldb;
1134 /* Handle anonymous bind */
1135 if (!name || !*name) {
1138 return NT_STATUS_OK;
1141 ldb = samdb_connect(mem_ctx, system_session(mem_ctx));
1143 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1146 werr = DsCrackNameOneName(ldb, mem_ctx, 0,
1148 DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT,
1151 if (!W_ERROR_IS_OK(werr)) {
1152 return werror_to_ntstatus(werr);
1154 switch (info1.status) {
1155 case DRSUAPI_DS_NAME_STATUS_OK:
1157 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
1158 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
1159 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
1160 return NT_STATUS_NO_SUCH_USER;
1161 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
1163 return NT_STATUS_UNSUCCESSFUL;
1166 *nt4_domain = talloc_strdup(mem_ctx, info1.result_name);
1168 p = strchr(*nt4_domain, '\\');
1170 return NT_STATUS_INVALID_PARAMETER;
1175 *nt4_account = talloc_strdup(mem_ctx, &p[1]);
1178 if (!*nt4_account || !*nt4_domain) {
1179 return NT_STATUS_NO_MEMORY;
1182 return NT_STATUS_OK;
1185 NTSTATUS crack_auto_name_to_nt4_name(TALLOC_CTX *mem_ctx,
1187 const char **nt4_domain,
1188 const char **nt4_account)
1190 uint32_t format_offered = DRSUAPI_DS_NAME_FORMAT_UKNOWN;
1192 /* Handle anonymous bind */
1193 if (!name || !*name) {
1196 return NT_STATUS_OK;
1199 if (strchr_m(name, '=')) {
1200 format_offered = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
1201 } else if (strchr_m(name, '@')) {
1202 format_offered = DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL;
1203 } else if (strchr_m(name, '\\')) {
1204 format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
1205 } else if (strchr_m(name, '/')) {
1206 format_offered = DRSUAPI_DS_NAME_FORMAT_CANONICAL;
1209 return crack_name_to_nt4_name(mem_ctx, format_offered, name, nt4_domain, nt4_account);