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 2 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, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "librpc/gen_ndr/drsuapi.h"
27 #include "rpc_server/common/common.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.h"
32 #include "libcli/security/security.h"
33 #include "librpc/gen_ndr/ndr_misc.h"
34 #include "auth/auth.h"
36 #include "dsdb/samdb/samdb.h"
38 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
39 struct smb_krb5_context *smb_krb5_context,
40 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
41 const struct ldb_dn *name_dn, const char *name,
42 const char *domain_filter, const char *result_filter,
43 struct drsuapi_DsNameInfo1 *info1);
44 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
45 uint32_t format_offered, uint32_t format_desired,
46 const struct ldb_dn *name_dn, const char *name,
47 struct drsuapi_DsNameInfo1 *info1);
49 static enum drsuapi_DsNameStatus LDB_lookup_spn_alias(krb5_context context, struct ldb_context *ldb_ctx,
51 const char *alias_from,
56 struct ldb_result *res;
57 struct ldb_message_element *spnmappings;
59 struct ldb_dn *service_dn;
62 const char *directory_attrs[] = {
67 tmp_ctx = talloc_new(mem_ctx);
69 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
72 service_dn = ldb_dn_string_compose(tmp_ctx, samdb_base_dn(ldb_ctx),
73 "CN=Directory Service,CN=Windows NT"
74 ",CN=Services,CN=Configuration");
75 service_dn_str = ldb_dn_linearize(tmp_ctx, service_dn);
77 ret = ldb_search(ldb_ctx, service_dn, LDB_SCOPE_BASE, "(objectClass=nTDSService)",
78 directory_attrs, &res);
80 if (ret != LDB_SUCCESS) {
81 DEBUG(1, ("ldb_search: dn: %s not found: %s", service_dn_str, ldb_errstring(ldb_ctx)));
82 return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
83 } else if (res->count != 1) {
85 DEBUG(1, ("ldb_search: dn: %s found %d times!", service_dn_str, res->count));
86 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
88 talloc_steal(tmp_ctx, res);
90 spnmappings = ldb_msg_find_element(res->msgs[0], "sPNMappings");
91 if (!spnmappings || spnmappings->num_values == 0) {
92 DEBUG(1, ("ldb_search: dn: %s no sPNMappings attribute", service_dn_str));
94 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
97 for (i = 0; i < spnmappings->num_values; i++) {
98 char *mapping, *p, *str;
99 mapping = talloc_strdup(tmp_ctx,
100 (const char *)spnmappings->values[i].data);
102 DEBUG(1, ("LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping\n", service_dn_str));
103 talloc_free(tmp_ctx);
104 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
107 /* C string manipulation sucks */
109 p = strchr(mapping, '=');
111 DEBUG(1, ("ldb_search: dn: %s sPNMapping malformed: %s\n",
112 service_dn_str, mapping));
113 talloc_free(tmp_ctx);
114 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
125 if (strcasecmp(str, alias_from) == 0) {
127 talloc_steal(mem_ctx, mapping);
128 talloc_free(tmp_ctx);
129 return DRSUAPI_DS_NAME_STATUS_OK;
133 DEBUG(4, ("LDB_lookup_spn_alias: no alias for service %s applicable\n", alias_from));
134 talloc_free(tmp_ctx);
135 return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
138 /* When cracking a ServicePrincipalName, many services may be served
139 * by the host/ servicePrincipalName. The incoming query is for cifs/
140 * but we translate it here, and search on host/. This is done after
141 * the cifs/ entry has been searched for, making this a fallback */
143 static WERROR DsCrackNameSPNAlias(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
144 struct smb_krb5_context *smb_krb5_context,
145 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
146 const char *name, struct drsuapi_DsNameInfo1 *info1)
150 krb5_principal principal;
154 enum drsuapi_DsNameStatus namestatus;
156 /* parse principal */
157 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context,
158 name, KRB5_PRINCIPAL_PARSE_NO_REALM, &principal);
160 DEBUG(2, ("Could not parse principal: %s: %s",
161 name, smb_get_krb5_error_message(smb_krb5_context->krb5_context,
166 /* grab cifs/, http/ etc */
168 /* This is checked for in callers, but be safe */
169 if (principal->name.name_string.len < 2) {
170 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
173 service = principal->name.name_string.val[0];
176 namestatus = LDB_lookup_spn_alias(smb_krb5_context->krb5_context,
178 service, &new_service);
180 if (namestatus != DRSUAPI_DS_NAME_STATUS_OK) {
181 info1->status = namestatus;
186 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
190 /* ooh, very nasty playing around in the Principal... */
191 free(principal->name.name_string.val[0]);
192 principal->name.name_string.val[0] = strdup(new_service);
193 if (!principal->name.name_string.val[0]) {
194 krb5_free_principal(smb_krb5_context->krb5_context, principal);
198 /* reform principal */
199 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
200 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &new_princ);
202 krb5_free_principal(smb_krb5_context->krb5_context, principal);
208 wret = DsCrackNameOneName(sam_ctx, mem_ctx, format_flags, format_offered, format_desired,
214 /* Subcase of CrackNames, for the userPrincipalName */
216 static WERROR DsCrackNameUPN(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
217 struct smb_krb5_context *smb_krb5_context,
218 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
219 const char *name, struct drsuapi_DsNameInfo1 *info1)
222 const char *domain_filter = NULL;
223 const char *result_filter = NULL;
225 krb5_principal principal;
227 char *unparsed_name_short;
229 /* Prevent recursion */
231 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
235 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
236 KRB5_PRINCIPAL_PARSE_MUST_REALM, &principal);
238 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
242 domain_filter = NULL;
243 realm = krb5_princ_realm(smb_krb5_context->krb5_context, principal);
244 domain_filter = talloc_asprintf(mem_ctx,
245 "(&(&(|(&(dnsRoot=%s)(nETBIOSName=*))(nETBIOSName=%s))(objectclass=crossRef))(ncName=*))",
246 ldb_binary_encode_string(mem_ctx, *realm),
247 ldb_binary_encode_string(mem_ctx, *realm));
248 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
249 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &unparsed_name_short);
250 krb5_free_principal(smb_krb5_context->krb5_context, principal);
253 free(unparsed_name_short);
257 /* This may need to be extended for more userPrincipalName variations */
258 result_filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
259 ldb_binary_encode_string(mem_ctx, unparsed_name_short));
260 if (!result_filter || !domain_filter) {
261 free(unparsed_name_short);
264 status = DsCrackNameOneFilter(sam_ctx, mem_ctx,
266 format_flags, format_offered, format_desired,
267 NULL, unparsed_name_short, domain_filter, result_filter,
269 free(unparsed_name_short);
273 /* Crack a single 'name', from format_offered into format_desired, returning the result in info1 */
275 WERROR DsCrackNameOneName(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
276 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
277 const char *name, struct drsuapi_DsNameInfo1 *info1)
280 const char *domain_filter = NULL;
281 const char *result_filter = NULL;
282 struct ldb_dn *name_dn = NULL;
284 struct smb_krb5_context *smb_krb5_context;
285 ret = smb_krb5_init_context(mem_ctx, &smb_krb5_context);
291 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
292 info1->dns_domain_name = NULL;
293 info1->result_name = NULL;
296 return WERR_INVALID_PARAM;
299 /* TODO: - fill the correct names in all cases!
300 * - handle format_flags
303 /* here we need to set the domain_filter and/or the result_filter */
304 switch (format_offered) {
305 case DRSUAPI_DS_NAME_FORMAT_CANONICAL: {
308 str = talloc_strdup(mem_ctx, name);
309 W_ERROR_HAVE_NO_MEMORY(str);
311 if (strlen(str) == 0 || str[strlen(str)-1] != '/') {
312 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
316 str[strlen(str)-1] = '\0';
318 domain_filter = talloc_asprintf(mem_ctx,
319 "(&(&(&(dnsRoot=%s)(objectclass=crossRef)))(nETBIOSName=*)(ncName=*))",
320 ldb_binary_encode_string(mem_ctx, str));
321 W_ERROR_HAVE_NO_MEMORY(domain_filter);
325 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
328 const char *account = NULL;
330 domain = talloc_strdup(mem_ctx, name);
331 W_ERROR_HAVE_NO_MEMORY(domain);
333 p = strchr(domain, '\\');
335 /* invalid input format */
336 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
345 domain_filter = talloc_asprintf(mem_ctx,
346 "(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))",
347 ldb_binary_encode_string(mem_ctx, domain));
348 W_ERROR_HAVE_NO_MEMORY(domain_filter);
350 result_filter = talloc_asprintf(mem_ctx, "(sAMAccountName=%s)",
351 ldb_binary_encode_string(mem_ctx, account));
352 W_ERROR_HAVE_NO_MEMORY(result_filter);
359 /* A LDAP DN as a string */
360 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
361 name_dn = ldb_dn_explode(mem_ctx, name);
362 domain_filter = NULL;
364 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
370 /* A GUID as a string */
371 case DRSUAPI_DS_NAME_FORMAT_GUID: {
375 domain_filter = NULL;
377 nt_status = GUID_from_string(name, &guid);
378 if (!NT_STATUS_IS_OK(nt_status)) {
379 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
383 ldap_guid = ldap_encode_ndr_GUID(mem_ctx, &guid);
387 result_filter = talloc_asprintf(mem_ctx, "(objectGUID=%s)",
389 W_ERROR_HAVE_NO_MEMORY(result_filter);
392 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
393 domain_filter = NULL;
395 result_filter = talloc_asprintf(mem_ctx, "(|(displayName=%s)(samAccountName=%s))",
396 ldb_binary_encode_string(mem_ctx, name),
397 ldb_binary_encode_string(mem_ctx, name));
398 W_ERROR_HAVE_NO_MEMORY(result_filter);
402 /* A S-1234-5678 style string */
403 case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
404 struct dom_sid *sid = dom_sid_parse_talloc(mem_ctx, name);
407 domain_filter = NULL;
409 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
412 ldap_sid = ldap_encode_ndr_dom_sid(mem_ctx,
417 result_filter = talloc_asprintf(mem_ctx, "(objectSid=%s)",
419 W_ERROR_HAVE_NO_MEMORY(result_filter);
422 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL: {
423 krb5_principal principal;
425 ret = krb5_parse_name(smb_krb5_context->krb5_context, name, &principal);
427 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
431 domain_filter = NULL;
433 ret = krb5_unparse_name(smb_krb5_context->krb5_context, principal, &unparsed_name);
435 krb5_free_principal(smb_krb5_context->krb5_context, principal);
439 krb5_free_principal(smb_krb5_context->krb5_context, principal);
440 result_filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(userPrincipalName=%s))",
441 ldb_binary_encode_string(mem_ctx, unparsed_name));
444 W_ERROR_HAVE_NO_MEMORY(result_filter);
447 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL: {
448 krb5_principal principal;
449 char *unparsed_name_short;
451 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
452 KRB5_PRINCIPAL_PARSE_NO_REALM, &principal);
454 /* perhaps it's a principal with a realm, so return the right 'domain only' response */
456 ret = krb5_parse_name_flags(smb_krb5_context->krb5_context, name,
457 KRB5_PRINCIPAL_PARSE_MUST_REALM, &principal);
459 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
463 /* This isn't an allocation assignemnt, so it is free'ed with the krb5_free_principal */
464 realm = krb5_princ_realm(smb_krb5_context->krb5_context, principal);
466 info1->dns_domain_name = talloc_strdup(info1, *realm);
467 krb5_free_principal(smb_krb5_context->krb5_context, principal);
469 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
471 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
474 } else if (principal->name.name_string.len < 2) {
475 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
479 domain_filter = NULL;
481 ret = krb5_unparse_name_flags(smb_krb5_context->krb5_context, principal,
482 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &unparsed_name_short);
484 krb5_free_principal(smb_krb5_context->krb5_context, principal);
488 service = principal->name.name_string.val[0];
489 if ((principal->name.name_string.len == 2) && (strcasecmp(service, "host") == 0)) {
490 /* the 'cn' attribute is just the leading part of the name */
492 computer_name = talloc_strndup(mem_ctx, principal->name.name_string.val[1],
493 strcspn(principal->name.name_string.val[1], "."));
494 if (computer_name == NULL) {
498 result_filter = talloc_asprintf(mem_ctx, "(|(&(servicePrincipalName=%s)(objectClass=user))(&(cn=%s)(objectClass=computer)))",
499 ldb_binary_encode_string(mem_ctx, unparsed_name_short),
500 ldb_binary_encode_string(mem_ctx, computer_name));
502 result_filter = talloc_asprintf(mem_ctx, "(&(servicePrincipalName=%s)(objectClass=user))",
503 ldb_binary_encode_string(mem_ctx, unparsed_name_short));
505 krb5_free_principal(smb_krb5_context->krb5_context, principal);
506 free(unparsed_name_short);
507 W_ERROR_HAVE_NO_MEMORY(result_filter);
512 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
518 if (format_flags & DRSUAPI_DS_NAME_FLAG_SYNTACTICAL_ONLY) {
519 return DsCrackNameOneSyntactical(mem_ctx, format_offered, format_desired,
520 name_dn, name, info1);
523 return DsCrackNameOneFilter(sam_ctx, mem_ctx,
525 format_flags, format_offered, format_desired,
527 domain_filter, result_filter,
531 /* Subcase of CrackNames. It is possible to translate a LDAP-style DN
532 * (FQDN_1779) into a canoical name without actually searching the
535 static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
536 uint32_t format_offered, uint32_t format_desired,
537 const struct ldb_dn *name_dn, const char *name,
538 struct drsuapi_DsNameInfo1 *info1)
541 if (format_offered != DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
542 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
546 switch (format_desired) {
547 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
548 cracked = ldb_dn_canonical_string(mem_ctx, name_dn);
550 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
551 cracked = ldb_dn_canonical_ex_string(mem_ctx, name_dn);
554 info1->status = DRSUAPI_DS_NAME_STATUS_NO_SYNTACTICAL_MAPPING;
557 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
558 info1->result_name = cracked;
566 /* Given a filter for the domain, and one for the result, perform the
567 * ldb search. The format offered and desired flags change the
568 * behaviours, including what attributes to return.
570 * The smb_krb5_context is required because we use the krb5 libs for principal parsing
573 static WERROR DsCrackNameOneFilter(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
574 struct smb_krb5_context *smb_krb5_context,
575 uint32_t format_flags, uint32_t format_offered, uint32_t format_desired,
576 const struct ldb_dn *name_dn, const char *name,
577 const char *domain_filter, const char *result_filter,
578 struct drsuapi_DsNameInfo1 *info1)
581 struct ldb_message **domain_res = NULL;
582 const char * const *domain_attrs;
583 const char * const *result_attrs;
584 struct ldb_message **result_res = NULL;
585 const struct ldb_dn *result_basedn;
586 const struct ldb_dn *partitions_basedn = samdb_partitions_dn(sam_ctx, mem_ctx);
588 const char * const _domain_attrs_1779[] = { "ncName", "dnsRoot", NULL};
589 const char * const _result_attrs_null[] = { NULL };
591 const char * const _domain_attrs_canonical[] = { "ncName", "dnsRoot", NULL};
592 const char * const _result_attrs_canonical[] = { "canonicalName", NULL };
594 const char * const _domain_attrs_nt4[] = { "ncName", "dnsRoot", "nETBIOSName", NULL};
595 const char * const _result_attrs_nt4[] = { "sAMAccountName", "objectSid", NULL};
597 const char * const _domain_attrs_guid[] = { "ncName", "dnsRoot", NULL};
598 const char * const _result_attrs_guid[] = { "objectGUID", NULL};
600 const char * const _domain_attrs_display[] = { "ncName", "dnsRoot", NULL};
601 const char * const _result_attrs_display[] = { "displayName", "samAccountName", NULL};
603 /* here we need to set the attrs lists for domain and result lookups */
604 switch (format_desired) {
605 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779:
606 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX:
607 domain_attrs = _domain_attrs_1779;
608 result_attrs = _result_attrs_null;
610 case DRSUAPI_DS_NAME_FORMAT_CANONICAL:
611 domain_attrs = _domain_attrs_canonical;
612 result_attrs = _result_attrs_canonical;
614 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT:
615 domain_attrs = _domain_attrs_nt4;
616 result_attrs = _result_attrs_nt4;
618 case DRSUAPI_DS_NAME_FORMAT_GUID:
619 domain_attrs = _domain_attrs_guid;
620 result_attrs = _result_attrs_guid;
622 case DRSUAPI_DS_NAME_FORMAT_DISPLAY:
623 domain_attrs = _domain_attrs_display;
624 result_attrs = _result_attrs_display;
631 /* if we have a domain_filter look it up and set the result_basedn and the dns_domain_name */
632 ldb_ret = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &domain_res, domain_attrs,
633 "%s", domain_filter);
635 ldb_ret = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &domain_res, domain_attrs,
636 "(ncName=%s)", ldb_dn_linearize(mem_ctx, samdb_base_dn(sam_ctx)));
643 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
646 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
649 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
653 info1->dns_domain_name = samdb_result_string(domain_res[0], "dnsRoot", NULL);
654 W_ERROR_HAVE_NO_MEMORY(info1->dns_domain_name);
655 info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
658 result_basedn = samdb_result_dn(mem_ctx, domain_res[0], "ncName", NULL);
660 ldb_ret = gendb_search(sam_ctx, mem_ctx, result_basedn, &result_res,
661 result_attrs, "%s", result_filter);
662 } else if (format_offered == DRSUAPI_DS_NAME_FORMAT_FQDN_1779) {
663 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
666 name_dn = samdb_result_dn(mem_ctx, domain_res[0], "ncName", NULL);
667 ldb_ret = gendb_search_dn(sam_ctx, mem_ctx, name_dn, &result_res,
675 switch (format_offered) {
676 case DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL:
677 return DsCrackNameSPNAlias(sam_ctx, mem_ctx,
679 format_flags, format_offered, format_desired,
682 case DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL:
683 return DsCrackNameUPN(sam_ctx, mem_ctx, smb_krb5_context,
684 format_flags, format_offered, format_desired,
687 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
690 info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
693 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
697 /* here we can use result_res[0] and domain_res[0] */
698 switch (format_desired) {
699 case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
700 info1->result_name = ldb_dn_linearize(mem_ctx, result_res[0]->dn);
701 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
703 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
706 case DRSUAPI_DS_NAME_FORMAT_CANONICAL: {
707 info1->result_name = samdb_result_string(result_res[0], "canonicalName", NULL);
708 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
711 case DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX: {
712 /* Not in the virtual ldb attribute */
713 return DsCrackNameOneSyntactical(mem_ctx,
714 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
715 DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX,
716 result_res[0]->dn, name, info1);
718 case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
719 const struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, result_res[0], "objectSid");
720 const char *_acc = "", *_dom = "";
722 if (!sid || (sid->num_auths < 4) || (sid->num_auths > 5)) {
723 info1->status = DRSUAPI_DS_NAME_STATUS_NO_MAPPING;
727 if (sid->num_auths == 4) {
728 ldb_ret = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &domain_res, domain_attrs,
729 "(ncName=%s)", ldb_dn_linearize(mem_ctx, result_res[0]->dn));
731 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
734 _dom = samdb_result_string(domain_res[0], "nETBIOSName", NULL);
735 W_ERROR_HAVE_NO_MEMORY(_dom);
737 } else if (sid->num_auths == 5) {
738 const char *attrs[] = { NULL };
739 struct ldb_message **domain_res2;
740 struct dom_sid *dom_sid = dom_sid_dup(mem_ctx, sid);
744 dom_sid->num_auths--;
745 ldb_ret = gendb_search(sam_ctx, mem_ctx, NULL, &domain_res, attrs,
746 "(&(objectSid=%s)(objectClass=domain))", ldap_encode_ndr_dom_sid(mem_ctx, dom_sid));
748 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
751 ldb_ret = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &domain_res2, domain_attrs,
752 "(ncName=%s)", ldb_dn_linearize(mem_ctx, domain_res[0]->dn));
754 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
758 _dom = samdb_result_string(domain_res2[0], "nETBIOSName", NULL);
759 W_ERROR_HAVE_NO_MEMORY(_dom);
761 _acc = samdb_result_string(result_res[0], "sAMAccountName", NULL);
762 W_ERROR_HAVE_NO_MEMORY(_acc);
765 info1->result_name = talloc_asprintf(mem_ctx, "%s\\%s", _dom, _acc);
766 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
768 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
771 case DRSUAPI_DS_NAME_FORMAT_GUID: {
774 guid = samdb_result_guid(result_res[0], "objectGUID");
776 info1->result_name = GUID_string2(mem_ctx, &guid);
777 W_ERROR_HAVE_NO_MEMORY(info1->result_name);
779 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
782 case DRSUAPI_DS_NAME_FORMAT_DISPLAY: {
783 info1->result_name = samdb_result_string(result_res[0], "displayName", NULL);
784 if (!info1->result_name) {
785 info1->result_name = samdb_result_string(result_res[0], "sAMAccountName", NULL);
787 if (!info1->result_name) {
788 info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
790 info1->status = DRSUAPI_DS_NAME_STATUS_OK;
798 return WERR_INVALID_PARAM;
801 /* Given a user Principal Name (such as foo@bar.com),
802 * return the user and domain DNs. This is used in the KDC to then
803 * return the Keys and evaluate policy */
805 NTSTATUS crack_user_principal_name(struct ldb_context *sam_ctx,
807 const char *user_principal_name,
808 struct ldb_dn **user_dn,
809 struct ldb_dn **domain_dn)
812 struct drsuapi_DsNameInfo1 info1;
813 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
814 DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL,
815 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
818 if (!W_ERROR_IS_OK(werr)) {
819 return werror_to_ntstatus(werr);
821 switch (info1.status) {
822 case DRSUAPI_DS_NAME_STATUS_OK:
824 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
825 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
826 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
827 return NT_STATUS_NO_SUCH_USER;
828 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
830 return NT_STATUS_UNSUCCESSFUL;
833 *user_dn = ldb_dn_explode(mem_ctx, info1.result_name);
836 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
837 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
838 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
839 talloc_asprintf(mem_ctx, "%s/",
840 info1.dns_domain_name),
842 if (!W_ERROR_IS_OK(werr)) {
843 return werror_to_ntstatus(werr);
845 switch (info1.status) {
846 case DRSUAPI_DS_NAME_STATUS_OK:
848 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
849 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
850 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
851 return NT_STATUS_NO_SUCH_USER;
852 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
854 return NT_STATUS_UNSUCCESSFUL;
857 *domain_dn = ldb_dn_explode(mem_ctx, info1.result_name);
864 /* Given a Service Principal Name (such as host/foo.bar.com@BAR.COM),
865 * return the user and domain DNs. This is used in the KDC to then
866 * return the Keys and evaluate policy */
868 NTSTATUS crack_service_principal_name(struct ldb_context *sam_ctx,
870 const char *service_principal_name,
871 struct ldb_dn **user_dn,
872 struct ldb_dn **domain_dn)
875 struct drsuapi_DsNameInfo1 info1;
876 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
877 DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL,
878 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
879 service_principal_name,
881 if (!W_ERROR_IS_OK(werr)) {
882 return werror_to_ntstatus(werr);
884 switch (info1.status) {
885 case DRSUAPI_DS_NAME_STATUS_OK:
887 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
888 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
889 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
890 return NT_STATUS_NO_SUCH_USER;
891 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
893 return NT_STATUS_UNSUCCESSFUL;
896 *user_dn = ldb_dn_explode(mem_ctx, info1.result_name);
899 werr = DsCrackNameOneName(sam_ctx, mem_ctx, 0,
900 DRSUAPI_DS_NAME_FORMAT_CANONICAL,
901 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
902 talloc_asprintf(mem_ctx, "%s/",
903 info1.dns_domain_name),
905 if (!W_ERROR_IS_OK(werr)) {
906 return werror_to_ntstatus(werr);
908 switch (info1.status) {
909 case DRSUAPI_DS_NAME_STATUS_OK:
911 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
912 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
913 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
914 return NT_STATUS_NO_SUCH_USER;
915 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
917 return NT_STATUS_UNSUCCESSFUL;
920 *domain_dn = ldb_dn_explode(mem_ctx, info1.result_name);
927 NTSTATUS crack_dn_to_nt4_name(TALLOC_CTX *mem_ctx,
929 const char **nt4_domain, const char **nt4_account)
932 struct drsuapi_DsNameInfo1 info1;
933 struct ldb_context *ldb;
936 /* Handle anonymous bind */
943 ldb = samdb_connect(mem_ctx, system_session(mem_ctx));
945 return NT_STATUS_INTERNAL_DB_CORRUPTION;
948 werr = DsCrackNameOneName(ldb, mem_ctx, 0,
949 DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
950 DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT,
953 if (!W_ERROR_IS_OK(werr)) {
954 return werror_to_ntstatus(werr);
956 switch (info1.status) {
957 case DRSUAPI_DS_NAME_STATUS_OK:
959 case DRSUAPI_DS_NAME_STATUS_NOT_FOUND:
960 case DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY:
961 case DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE:
962 return NT_STATUS_NO_SUCH_USER;
963 case DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR:
965 return NT_STATUS_UNSUCCESSFUL;
968 *nt4_domain = talloc_strdup(mem_ctx, info1.result_name);
970 p = strchr(*nt4_domain, '\\');
972 return NT_STATUS_INVALID_PARAMETER;
977 *nt4_account = talloc_strdup(mem_ctx, &p[1]);
980 if (!*nt4_account || !*nt4_domain) {
981 return NT_STATUS_NO_MEMORY;