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-rw-r--r--source4/dsdb/common/dsdb_access.c178
-rw-r--r--source4/dsdb/common/dsdb_dn.c571
-rw-r--r--source4/dsdb/common/dsdb_dn.h16
-rw-r--r--source4/dsdb/common/rodc_helper.c284
-rw-r--r--source4/dsdb/common/tests/dsdb.c93
-rw-r--r--source4/dsdb/common/tests/dsdb_dn.c374
-rw-r--r--source4/dsdb/common/util.c6408
-rw-r--r--source4/dsdb/common/util.h103
-rw-r--r--source4/dsdb/common/util_groups.c199
-rw-r--r--source4/dsdb/common/util_links.c229
-rw-r--r--source4/dsdb/common/util_links.h48
-rw-r--r--source4/dsdb/common/util_samr.c567
-rw-r--r--source4/dsdb/common/util_trusts.c3444
13 files changed, 12514 insertions, 0 deletions
diff --git a/source4/dsdb/common/dsdb_access.c b/source4/dsdb/common/dsdb_access.c
new file mode 100644
index 0000000..5c02daa
--- /dev/null
+++ b/source4/dsdb/common/dsdb_access.c
@@ -0,0 +1,178 @@
+/*
+ ldb database library
+
+ Copyright (C) Nadezhda Ivanova 2010
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Name: dsdb_access
+ *
+ * Description: utility functions for access checking on objects
+ *
+ * Authors: Nadezhda Ivanova
+ */
+
+#include "includes.h"
+#include "ldb.h"
+#include "ldb_module.h"
+#include "ldb_errors.h"
+#include "libcli/security/security.h"
+#include "librpc/gen_ndr/ndr_security.h"
+#include "libcli/ldap/ldap_ndr.h"
+#include "param/param.h"
+#include "auth/auth.h"
+#include "dsdb/samdb/samdb.h"
+#include "dsdb/common/util.h"
+
+void dsdb_acl_debug(struct security_descriptor *sd,
+ struct security_token *token,
+ struct ldb_dn *dn,
+ bool denied,
+ int level)
+{
+ if (denied) {
+ DEBUG(level, ("Access on %s denied", ldb_dn_get_linearized(dn)));
+ } else {
+ DEBUG(level, ("Access on %s granted", ldb_dn_get_linearized(dn)));
+ }
+
+ DEBUG(level,("Security context: %s\n",
+ ndr_print_struct_string(0,(ndr_print_fn_t)ndr_print_security_token,"", token)));
+ DEBUG(level,("Security descriptor: %s\n",
+ ndr_print_struct_string(0,(ndr_print_fn_t)ndr_print_security_descriptor,"", sd)));
+}
+
+int dsdb_get_sd_from_ldb_message(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_message *acl_res,
+ struct security_descriptor **sd)
+{
+ struct ldb_message_element *sd_element;
+ enum ndr_err_code ndr_err;
+
+ sd_element = ldb_msg_find_element(acl_res, "nTSecurityDescriptor");
+ if (sd_element == NULL) {
+ return ldb_error(ldb, LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS,
+ "nTSecurityDescriptor is missing");
+ }
+ *sd = talloc(mem_ctx, struct security_descriptor);
+ if(!*sd) {
+ return ldb_oom(ldb);
+ }
+ ndr_err = ndr_pull_struct_blob(&sd_element->values[0], *sd, *sd,
+ (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return ldb_operr(ldb);
+ }
+
+ return LDB_SUCCESS;
+}
+
+int dsdb_check_access_on_dn_internal(struct ldb_context *ldb,
+ struct ldb_result *acl_res,
+ TALLOC_CTX *mem_ctx,
+ struct security_token *token,
+ struct ldb_dn *dn,
+ uint32_t access_mask,
+ const struct GUID *guid)
+{
+ struct security_descriptor *sd = NULL;
+ struct dom_sid *sid = NULL;
+ struct object_tree *root = NULL;
+ NTSTATUS status;
+ uint32_t access_granted;
+ int ret;
+
+ ret = dsdb_get_sd_from_ldb_message(ldb, mem_ctx, acl_res->msgs[0], &sd);
+ if (ret != LDB_SUCCESS) {
+ return ldb_operr(ldb);
+ }
+
+ sid = samdb_result_dom_sid(mem_ctx, acl_res->msgs[0], "objectSid");
+ if (guid) {
+ if (!insert_in_object_tree(mem_ctx, guid, access_mask, NULL,
+ &root)) {
+ return ldb_operr(ldb);
+ }
+ }
+ status = sec_access_check_ds(sd, token,
+ access_mask,
+ &access_granted,
+ root,
+ sid);
+ if (!NT_STATUS_IS_OK(status)) {
+ dsdb_acl_debug(sd,
+ token,
+ dn,
+ true,
+ 10);
+ ldb_asprintf_errstring(ldb,
+ "dsdb_access: Access check failed on %s",
+ ldb_dn_get_linearized(dn));
+ return LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
+ }
+ return LDB_SUCCESS;
+}
+
+/* performs an access check from outside the module stack
+ * given the dn of the object to be checked, the required access
+ * guid is either the guid of the extended right, or NULL
+ */
+
+int dsdb_check_access_on_dn(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *dn,
+ struct security_token *token,
+ uint32_t access_mask,
+ const char *ext_right)
+{
+ int ret;
+ struct GUID guid;
+ struct ldb_result *acl_res;
+ static const char *acl_attrs[] = {
+ "nTSecurityDescriptor",
+ "objectSid",
+ NULL
+ };
+
+ if (ext_right != NULL) {
+ NTSTATUS status = GUID_from_string(ext_right, &guid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ }
+
+ /*
+ * We need AS_SYSTEM in order to get the nTSecurityDescriptor attribute.
+ * Also the result of this search not controlled by the client
+ * nor is the result exposed to the client.
+ */
+ ret = dsdb_search_dn(ldb, mem_ctx, &acl_res, dn, acl_attrs,
+ DSDB_FLAG_AS_SYSTEM | DSDB_SEARCH_SHOW_RECYCLED);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(10,("access_check: failed to find object %s\n", ldb_dn_get_linearized(dn)));
+ return ret;
+ }
+
+ return dsdb_check_access_on_dn_internal(ldb, acl_res,
+ mem_ctx,
+ token,
+ dn,
+ access_mask,
+ ext_right ? &guid : NULL);
+}
+
diff --git a/source4/dsdb/common/dsdb_dn.c b/source4/dsdb/common/dsdb_dn.c
new file mode 100644
index 0000000..b34d1e6
--- /dev/null
+++ b/source4/dsdb/common/dsdb_dn.c
@@ -0,0 +1,571 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+
+ Copyright (C) Andrew Tridgell 2009
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "dsdb/samdb/samdb.h"
+#include <ldb_module.h>
+#include "librpc/ndr/libndr.h"
+#include "libcli/security/dom_sid.h"
+#include "lib/util/smb_strtox.h"
+
+enum dsdb_dn_format dsdb_dn_oid_to_format(const char *oid)
+{
+ if (strcmp(oid, LDB_SYNTAX_DN) == 0) {
+ return DSDB_NORMAL_DN;
+ } else if (strcmp(oid, DSDB_SYNTAX_BINARY_DN) == 0) {
+ return DSDB_BINARY_DN;
+ } else if (strcmp(oid, DSDB_SYNTAX_STRING_DN) == 0) {
+ return DSDB_STRING_DN;
+ } else if (strcmp(oid, DSDB_SYNTAX_OR_NAME) == 0) {
+ return DSDB_NORMAL_DN;
+ } else {
+ return DSDB_INVALID_DN;
+ }
+}
+
+static struct dsdb_dn *dsdb_dn_construct_internal(TALLOC_CTX *mem_ctx,
+ struct ldb_dn *dn,
+ DATA_BLOB extra_part,
+ enum dsdb_dn_format dn_format,
+ const char *oid)
+{
+ struct dsdb_dn *dsdb_dn = NULL;
+
+ switch (dn_format) {
+ case DSDB_BINARY_DN:
+ case DSDB_STRING_DN:
+ break;
+ case DSDB_NORMAL_DN:
+ if (extra_part.length != 0) {
+ errno = EINVAL;
+ return NULL;
+ }
+ break;
+ case DSDB_INVALID_DN:
+ default:
+ errno = EINVAL;
+ return NULL;
+ }
+
+ dsdb_dn = talloc(mem_ctx, struct dsdb_dn);
+ if (!dsdb_dn) {
+ errno = ENOMEM;
+ return NULL;
+ }
+ dsdb_dn->dn = talloc_steal(dsdb_dn, dn);
+ dsdb_dn->extra_part = extra_part;
+ dsdb_dn->dn_format = dn_format;
+
+ dsdb_dn->oid = oid;
+ talloc_steal(dsdb_dn, extra_part.data);
+ return dsdb_dn;
+}
+
+struct dsdb_dn *dsdb_dn_construct(TALLOC_CTX *mem_ctx, struct ldb_dn *dn, DATA_BLOB extra_part,
+ const char *oid)
+{
+ enum dsdb_dn_format dn_format = dsdb_dn_oid_to_format(oid);
+ return dsdb_dn_construct_internal(mem_ctx, dn, extra_part, dn_format, oid);
+}
+
+struct dsdb_dn *dsdb_dn_parse_trusted(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
+ const struct ldb_val *dn_blob, const char *dn_oid)
+{
+ struct dsdb_dn *dsdb_dn;
+ struct ldb_dn *dn;
+ size_t len;
+ TALLOC_CTX *tmp_ctx;
+ char *p1;
+ char *p2;
+ uint32_t blen;
+ struct ldb_val bval;
+ struct ldb_val dval;
+ char *dn_str;
+ int error = 0;
+
+ enum dsdb_dn_format dn_format = dsdb_dn_oid_to_format(dn_oid);
+
+ if (dn_blob == NULL || dn_blob->data == NULL || dn_blob->length == 0) {
+ return NULL;
+ }
+
+ switch (dn_format) {
+ case DSDB_INVALID_DN:
+ return NULL;
+ case DSDB_NORMAL_DN:
+ {
+ dn = ldb_dn_from_ldb_val(mem_ctx, ldb, dn_blob);
+ if (!dn) {
+ talloc_free(dn);
+ return NULL;
+ }
+ return dsdb_dn_construct_internal(mem_ctx, dn, data_blob_null, dn_format, dn_oid);
+ }
+ case DSDB_BINARY_DN:
+ if (dn_blob->length < 2 || dn_blob->data[0] != 'B' || dn_blob->data[1] != ':') {
+ return NULL;
+ }
+ break;
+ case DSDB_STRING_DN:
+ if (dn_blob->length < 2 || dn_blob->data[0] != 'S' || dn_blob->data[1] != ':') {
+ return NULL;
+ }
+ break;
+ default:
+ return NULL;
+ }
+
+ if (strlen((const char*)dn_blob->data) != dn_blob->length) {
+ /* The RDN must not contain a character with value 0x0 */
+ return NULL;
+ }
+
+ tmp_ctx = talloc_new(mem_ctx);
+ if (tmp_ctx == NULL) {
+ return NULL;
+ }
+
+ len = dn_blob->length - 2;
+ p1 = talloc_strndup(tmp_ctx, (const char *)dn_blob->data + 2, len);
+ if (!p1) {
+ goto failed;
+ }
+
+ errno = 0;
+ blen = smb_strtoul(p1, &p2, 10, &error, SMB_STR_STANDARD);
+ if (error != 0) {
+ DEBUG(10, (__location__ ": failed\n"));
+ goto failed;
+ }
+ if (p2 == NULL) {
+ DEBUG(10, (__location__ ": failed\n"));
+ goto failed;
+ }
+ if (p2[0] != ':') {
+ DEBUG(10, (__location__ ": failed\n"));
+ goto failed;
+ }
+ len -= PTR_DIFF(p2,p1);//???
+ p1 = p2+1;
+ len--;
+
+ if (blen >= len) {
+ DEBUG(10, (__location__ ": blen=%u len=%u\n", (unsigned)blen, (unsigned)len));
+ goto failed;
+ }
+
+ p2 = p1 + blen;
+ if (p2[0] != ':') {
+ DEBUG(10, (__location__ ": %s", p2));
+ goto failed;
+ }
+ dn_str = p2+1;
+
+
+ switch (dn_format) {
+ case DSDB_BINARY_DN:
+ if ((blen % 2 != 0)) {
+ DEBUG(10, (__location__ ": blen=%u - not an even number\n", (unsigned)blen));
+ goto failed;
+ }
+
+ if (blen >= 2) {
+ bval.length = (blen/2)+1;
+ bval.data = talloc_size(tmp_ctx, bval.length);
+ if (bval.data == NULL) {
+ DEBUG(10, (__location__ ": err\n"));
+ goto failed;
+ }
+ bval.data[bval.length-1] = 0;
+
+ bval.length = strhex_to_str((char *)bval.data, bval.length,
+ p1, blen);
+ if (bval.length != (blen / 2)) {
+ DEBUG(10, (__location__ ": non hexadecimal characters found in binary prefix\n"));
+ goto failed;
+ }
+ } else {
+ bval = data_blob_null;
+ }
+
+ break;
+ case DSDB_STRING_DN:
+ bval = data_blob(p1, blen);
+ break;
+ default:
+ /* never reached */
+ return NULL;
+ }
+
+
+ dval.data = (uint8_t *)dn_str;
+ dval.length = strlen(dn_str);
+
+ dn = ldb_dn_from_ldb_val(tmp_ctx, ldb, &dval);
+ if (!dn) {
+ DEBUG(10, (__location__ ": err\n"));
+ goto failed;
+ }
+
+ dsdb_dn = dsdb_dn_construct(mem_ctx, dn, bval, dn_oid);
+
+ talloc_free(tmp_ctx);
+ return dsdb_dn;
+
+failed:
+ talloc_free(tmp_ctx);
+ return NULL;
+}
+
+struct dsdb_dn *dsdb_dn_parse(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
+ const struct ldb_val *dn_blob, const char *dn_oid)
+{
+ struct dsdb_dn *dsdb_dn = dsdb_dn_parse_trusted(mem_ctx, ldb,
+ dn_blob, dn_oid);
+ if (dsdb_dn == NULL) {
+ return NULL;
+ }
+ if (ldb_dn_validate(dsdb_dn->dn) == false) {
+ DEBUG(10, ("could not parse %.*s as a %s DN",
+ (int)dn_blob->length, dn_blob->data,
+ dn_oid));
+ return NULL;
+ }
+ return dsdb_dn;
+}
+
+static char *dsdb_dn_get_with_postfix(TALLOC_CTX *mem_ctx,
+ struct dsdb_dn *dsdb_dn,
+ const char *postfix)
+{
+ if (!postfix) {
+ return NULL;
+ }
+
+ switch (dsdb_dn->dn_format) {
+ case DSDB_NORMAL_DN:
+ {
+ return talloc_strdup(mem_ctx, postfix);
+ }
+ case DSDB_BINARY_DN:
+ {
+ char *hexstr = data_blob_hex_string_upper(mem_ctx, &dsdb_dn->extra_part);
+
+ char *p = talloc_asprintf(mem_ctx, "B:%u:%s:%s", (unsigned)(dsdb_dn->extra_part.length*2), hexstr,
+ postfix);
+ talloc_free(hexstr);
+ return p;
+ }
+ case DSDB_STRING_DN:
+ {
+ return talloc_asprintf(mem_ctx, "S:%u:%*.*s:%s",
+ (unsigned)(dsdb_dn->extra_part.length),
+ (int)(dsdb_dn->extra_part.length),
+ (int)(dsdb_dn->extra_part.length),
+ (const char *)dsdb_dn->extra_part.data,
+ postfix);
+ }
+ default:
+ return NULL;
+ }
+}
+
+char *dsdb_dn_get_linearized(TALLOC_CTX *mem_ctx,
+ struct dsdb_dn *dsdb_dn)
+{
+ const char *postfix = ldb_dn_get_linearized(dsdb_dn->dn);
+ return dsdb_dn_get_with_postfix(mem_ctx, dsdb_dn, postfix);
+}
+
+char *dsdb_dn_get_casefold(TALLOC_CTX *mem_ctx,
+ struct dsdb_dn *dsdb_dn)
+{
+ const char *postfix = ldb_dn_get_casefold(dsdb_dn->dn);
+ return dsdb_dn_get_with_postfix(mem_ctx, dsdb_dn, postfix);
+}
+
+char *dsdb_dn_get_extended_linearized(TALLOC_CTX *mem_ctx,
+ struct dsdb_dn *dsdb_dn,
+ int mode)
+{
+ char *postfix = ldb_dn_get_extended_linearized(mem_ctx, dsdb_dn->dn, mode);
+ char *ret = dsdb_dn_get_with_postfix(mem_ctx, dsdb_dn, postfix);
+ talloc_free(postfix);
+ return ret;
+}
+
+int dsdb_dn_binary_canonicalise(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *in, struct ldb_val *out)
+{
+ struct dsdb_dn *dsdb_dn = dsdb_dn_parse(mem_ctx, ldb, in, DSDB_SYNTAX_BINARY_DN);
+
+ if (!dsdb_dn) {
+ return -1;
+ }
+ *out = data_blob_string_const(dsdb_dn_get_casefold(mem_ctx, dsdb_dn));
+ talloc_free(dsdb_dn);
+ if (!out->data) {
+ return -1;
+ }
+ return 0;
+}
+
+int dsdb_dn_binary_comparison(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *v1,
+ const struct ldb_val *v2)
+{
+ return ldb_any_comparison(ldb, mem_ctx, dsdb_dn_binary_canonicalise, v1, v2);
+}
+
+int dsdb_dn_string_canonicalise(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *in, struct ldb_val *out)
+{
+ struct dsdb_dn *dsdb_dn = dsdb_dn_parse(mem_ctx, ldb, in, DSDB_SYNTAX_STRING_DN);
+
+ if (!dsdb_dn) {
+ return -1;
+ }
+ *out = data_blob_string_const(dsdb_dn_get_casefold(mem_ctx, dsdb_dn));
+ talloc_free(dsdb_dn);
+ if (!out->data) {
+ return -1;
+ }
+ return 0;
+}
+
+int dsdb_dn_string_comparison(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *v1,
+ const struct ldb_val *v2)
+{
+ return ldb_any_comparison(ldb, mem_ctx, dsdb_dn_string_canonicalise, v1, v2);
+}
+
+/*
+ * format a drsuapi_DsReplicaObjectIdentifier naming context as a string for debugging
+ *
+ * When forming a DN for DB access you must use drs_ObjectIdentifier_to_dn()
+ */
+char *drs_ObjectIdentifier_to_debug_string(TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsReplicaObjectIdentifier *nc)
+{
+ char *ret = NULL;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ if (!GUID_all_zero(&nc->guid)) {
+ char *guid = GUID_string(tmp_ctx, &nc->guid);
+ if (guid) {
+ ret = talloc_asprintf_append(ret, "<GUID=%s>;", guid);
+ }
+ }
+ if (nc->__ndr_size_sid != 0 && nc->sid.sid_rev_num != 0) {
+ const char *sid = dom_sid_string(tmp_ctx, &nc->sid);
+ if (sid) {
+ ret = talloc_asprintf_append(ret, "<SID=%s>;", sid);
+ }
+ }
+ if (nc->__ndr_size_dn != 0 && nc->dn) {
+ ret = talloc_asprintf_append(ret, "%s", nc->dn);
+ }
+ talloc_free(tmp_ctx);
+ talloc_steal(mem_ctx, ret);
+ return ret;
+}
+
+/*
+ * Safely convert a drsuapi_DsReplicaObjectIdentifier into an LDB DN
+ *
+ * We need to have GUID and SID prority and not allow extended
+ * components in the DN.
+ *
+ * We must also totally honour the prority even if the string DN is not valid or able to parse as a DN.
+ */
+static struct ldb_dn *drs_ObjectIdentifier_to_dn(TALLOC_CTX *mem_ctx,
+ struct ldb_context *ldb,
+ struct drsuapi_DsReplicaObjectIdentifier *nc)
+{
+ struct ldb_dn *new_dn = NULL;
+
+ if (!GUID_all_zero(&nc->guid)) {
+ struct GUID_txt_buf buf;
+ char *guid = GUID_buf_string(&nc->guid, &buf);
+
+ new_dn = ldb_dn_new_fmt(mem_ctx,
+ ldb,
+ "<GUID=%s>",
+ guid);
+ if (new_dn == NULL) {
+ DBG_ERR("Failed to prepare drs_ObjectIdentifier "
+ "GUID %s into a DN\n",
+ guid);
+ return NULL;
+ }
+
+ return new_dn;
+ }
+
+ if (nc->__ndr_size_sid != 0 && nc->sid.sid_rev_num != 0) {
+ struct dom_sid_buf buf;
+ char *sid = dom_sid_str_buf(&nc->sid, &buf);
+
+ new_dn = ldb_dn_new_fmt(mem_ctx,
+ ldb,
+ "<SID=%s>",
+ sid);
+ if (new_dn == NULL) {
+ DBG_ERR("Failed to prepare drs_ObjectIdentifier "
+ "SID %s into a DN\n",
+ sid);
+ return NULL;
+ }
+ return new_dn;
+ }
+
+ if (nc->__ndr_size_dn != 0 && nc->dn) {
+ int dn_comp_num = 0;
+ bool new_dn_valid = false;
+
+ new_dn = ldb_dn_new(mem_ctx, ldb, nc->dn);
+ if (new_dn == NULL) {
+ /* Set to WARNING as this is user-controlled, don't print the value into the logs */
+ DBG_WARNING("Failed to parse string DN in "
+ "drs_ObjectIdentifier into an LDB DN\n");
+ return NULL;
+ }
+
+ new_dn_valid = ldb_dn_validate(new_dn);
+ if (!new_dn_valid) {
+ /*
+ * Set to WARNING as this is user-controlled,
+ * but can print the value into the logs as it
+ * parsed a bit
+ */
+ DBG_WARNING("Failed to validate string DN [%s] in "
+ "drs_ObjectIdentifier as an LDB DN\n",
+ ldb_dn_get_linearized(new_dn));
+ return NULL;
+ }
+
+ dn_comp_num = ldb_dn_get_comp_num(new_dn);
+ if (dn_comp_num <= 0) {
+ /*
+ * Set to WARNING as this is user-controlled,
+ * but can print the value into the logs as it
+ * parsed a bit
+ */
+ DBG_WARNING("DN [%s] in drs_ObjectIdentifier "
+ "must have 1 or more components\n",
+ ldb_dn_get_linearized(new_dn));
+ return NULL;
+ }
+
+ if (ldb_dn_is_special(new_dn)) {
+ /*
+ * Set to WARNING as this is user-controlled,
+ * but can print the value into the logs as it
+ * parsed a bit
+ */
+ DBG_WARNING("New string DN [%s] in "
+ "drs_ObjectIdentifier is a "
+ "special LDB DN\n",
+ ldb_dn_get_linearized(new_dn));
+ return NULL;
+ }
+
+ /*
+ * We want this just to be a string DN, extended
+ * components are manually handled above
+ */
+ if (ldb_dn_has_extended(new_dn)) {
+ /*
+ * Set to WARNING as this is user-controlled,
+ * but can print the value into the logs as it
+ * parsed a bit
+ */
+ DBG_WARNING("Refusing to parse New string DN [%s] in "
+ "drs_ObjectIdentifier as an "
+ "extended LDB DN "
+ "(GUIDs and SIDs should be in the "
+ ".guid and .sid IDL elelements, "
+ "not in the string\n",
+ ldb_dn_get_extended_linearized(mem_ctx,
+ new_dn,
+ 1));
+ return NULL;
+ }
+ return new_dn;
+ }
+
+ DBG_WARNING("Refusing to parse empty string DN "
+ "(and no GUID or SID) "
+ "drs_ObjectIdentifier into a empty "
+ "(eg RootDSE) LDB DN\n");
+ return NULL;
+}
+
+/*
+ * Safely convert a drsuapi_DsReplicaObjectIdentifier into a validated
+ * LDB DN of an existing DB entry, and/or find the NC root
+ *
+ * We need to have GUID and SID prority and not allow extended
+ * components in the DN.
+ *
+ * We must also totally honour the prority even if the string DN is
+ * not valid or able to parse as a DN.
+ *
+ * Finally, we must return the DN as found in the DB, as otherwise a
+ * subsequence ldb_dn_compare(dn, nc_root) will fail (as this is based
+ * on the string components).
+ */
+int drs_ObjectIdentifier_to_dn_and_nc_root(TALLOC_CTX *mem_ctx,
+ struct ldb_context *ldb,
+ struct drsuapi_DsReplicaObjectIdentifier *nc,
+ struct ldb_dn **normalised_dn,
+ struct ldb_dn **nc_root)
+{
+ int ret;
+ struct ldb_dn *new_dn = NULL;
+
+ new_dn = drs_ObjectIdentifier_to_dn(mem_ctx,
+ ldb,
+ nc);
+ if (new_dn == NULL) {
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ ret = dsdb_normalise_dn_and_find_nc_root(ldb,
+ mem_ctx,
+ new_dn,
+ normalised_dn,
+ nc_root);
+ if (ret != LDB_SUCCESS) {
+ /*
+ * dsdb_normalise_dn_and_find_nc_root() sets LDB error
+ * strings, and the functions it calls do also
+ */
+ DBG_NOTICE("Failed to find DN \"%s\" -> \"%s\" for normalisation: %s (%s)\n",
+ drs_ObjectIdentifier_to_debug_string(mem_ctx, nc),
+ ldb_dn_get_extended_linearized(mem_ctx, new_dn, 1),
+ ldb_errstring(ldb),
+ ldb_strerror(ret));
+ }
+
+ TALLOC_FREE(new_dn);
+ return ret;
+}
diff --git a/source4/dsdb/common/dsdb_dn.h b/source4/dsdb/common/dsdb_dn.h
new file mode 100644
index 0000000..8aadac7
--- /dev/null
+++ b/source4/dsdb/common/dsdb_dn.h
@@ -0,0 +1,16 @@
+struct dsdb_dn {
+ struct ldb_dn *dn;
+ DATA_BLOB extra_part;
+ enum dsdb_dn_format dn_format;
+ const char *oid;
+};
+
+#define DSDB_SYNTAX_BINARY_DN "1.2.840.113556.1.4.903"
+#define DSDB_SYNTAX_STRING_DN "1.2.840.113556.1.4.904"
+#define DSDB_SYNTAX_OR_NAME "1.2.840.113556.1.4.1221"
+#define DSDB_SYNTAX_ACCESS_POINT "1.3.6.1.4.1.1466.115.121.1.2"
+
+
+/* RMD_FLAGS component in a DN */
+#define DSDB_RMD_FLAG_DELETED 1
+#define DSDB_RMD_FLAG_INVISIBLE 2
diff --git a/source4/dsdb/common/rodc_helper.c b/source4/dsdb/common/rodc_helper.c
new file mode 100644
index 0000000..e81ecef
--- /dev/null
+++ b/source4/dsdb/common/rodc_helper.c
@@ -0,0 +1,284 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ common sid helper functions
+
+ Copyright (C) Catalyst.NET Ltd 2017
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "rpc_server/dcerpc_server.h"
+#include "librpc/gen_ndr/ndr_security.h"
+#include "source4/dsdb/samdb/samdb.h"
+#include "libcli/security/security.h"
+
+/*
+ see if any SIDs in list1 are in list2
+ */
+bool sid_list_match(uint32_t num_sids1,
+ const struct dom_sid *list1,
+ uint32_t num_sids2,
+ const struct dom_sid *list2)
+{
+ unsigned int i, j;
+ /* do we ever have enough SIDs here to worry about O(n^2) ? */
+ for (i=0; i < num_sids1; i++) {
+ for (j=0; j < num_sids2; j++) {
+ if (dom_sid_equal(&list1[i], &list2[j])) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+/*
+ * Return an array of SIDs from a ldb_message given an attribute name assumes
+ * the SIDs are in NDR form (with primary_sid applied on the start).
+ */
+static WERROR samdb_result_sid_array_ndr(struct ldb_context *sam_ctx,
+ struct ldb_message *msg,
+ TALLOC_CTX *mem_ctx,
+ const char *attr,
+ uint32_t *num_sids,
+ struct dom_sid **sids,
+ const struct dom_sid *primary_sid)
+{
+ struct ldb_message_element *el;
+ unsigned int i;
+
+ el = ldb_msg_find_element(msg, attr);
+ if (!el) {
+ *sids = NULL;
+ return WERR_OK;
+ }
+
+ /* Make array long enough for NULL and additional SID */
+ (*sids) = talloc_array(mem_ctx, struct dom_sid,
+ el->num_values + 1);
+ W_ERROR_HAVE_NO_MEMORY(*sids);
+
+ (*sids)[0] = *primary_sid;
+
+ for (i = 0; i<el->num_values; i++) {
+ enum ndr_err_code ndr_err;
+ struct dom_sid sid = { 0, };
+
+ ndr_err = ndr_pull_struct_blob_all_noalloc(&el->values[i], &sid,
+ (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return WERR_INTERNAL_DB_CORRUPTION;
+ }
+ /* Primary SID is already in position zero. */
+ (*sids)[i+1] = sid;
+ }
+
+ *num_sids = i+1;
+
+ return WERR_OK;
+}
+
+/*
+ return an array of SIDs from a ldb_message given an attribute name
+ assumes the SIDs are in extended DN format
+ */
+WERROR samdb_result_sid_array_dn(struct ldb_context *sam_ctx,
+ struct ldb_message *msg,
+ TALLOC_CTX *mem_ctx,
+ const char *attr,
+ uint32_t *num_sids,
+ struct dom_sid **sids)
+{
+ struct ldb_message_element *el;
+ unsigned int i;
+
+ el = ldb_msg_find_element(msg, attr);
+ if (!el) {
+ *sids = NULL;
+ return WERR_OK;
+ }
+
+ (*sids) = talloc_array(mem_ctx, struct dom_sid, el->num_values + 1);
+ W_ERROR_HAVE_NO_MEMORY(*sids);
+
+ for (i=0; i<el->num_values; i++) {
+ struct ldb_dn *dn = ldb_dn_from_ldb_val(mem_ctx, sam_ctx, &el->values[i]);
+ NTSTATUS status;
+ struct dom_sid sid = { 0, };
+
+ status = dsdb_get_extended_dn_sid(dn, &sid, "SID");
+ if (!NT_STATUS_IS_OK(status)) {
+ return WERR_INTERNAL_DB_CORRUPTION;
+ }
+ (*sids)[i] = sid;
+ }
+ *num_sids = i;
+
+ return WERR_OK;
+}
+
+WERROR samdb_confirm_rodc_allowed_to_repl_to_sid_list(struct ldb_context *sam_ctx,
+ const struct dom_sid *rodc_machine_account_sid,
+ struct ldb_message *rodc_msg,
+ struct ldb_message *obj_msg,
+ uint32_t num_token_sids,
+ struct dom_sid *token_sids)
+{
+ uint32_t num_never_reveal_sids, num_reveal_sids;
+ struct dom_sid *never_reveal_sids, *reveal_sids;
+ TALLOC_CTX *frame = talloc_stackframe();
+ WERROR werr;
+ uint32_t rodc_uac;
+
+ /*
+ * We are not allowed to get anyone elses krbtgt secrets (and
+ * in callers that don't shortcut before this, the RODC should
+ * not deal with any krbtgt)
+ */
+ if (samdb_result_dn(sam_ctx, frame,
+ obj_msg, "msDS-KrbTgtLinkBL", NULL)) {
+ TALLOC_FREE(frame);
+ DBG_INFO("Denied attempt to replicate to/act as a RODC krbtgt trust account %s using RODC: %s\n",
+ ldb_dn_get_linearized(obj_msg->dn),
+ ldb_dn_get_linearized(rodc_msg->dn));
+ return WERR_DS_DRA_SECRETS_DENIED;
+ }
+
+ if (ldb_msg_find_attr_as_uint(obj_msg,
+ "userAccountControl", 0) &
+ UF_INTERDOMAIN_TRUST_ACCOUNT) {
+ DBG_INFO("Denied attempt to replicate to/act as a inter-domain trust account %s using RODC: %s\n",
+ ldb_dn_get_linearized(obj_msg->dn),
+ ldb_dn_get_linearized(rodc_msg->dn));
+ TALLOC_FREE(frame);
+ return WERR_DS_DRA_SECRETS_DENIED;
+ }
+
+ /* Be very sure the RODC is really an RODC */
+ rodc_uac = ldb_msg_find_attr_as_uint(rodc_msg,
+ "userAccountControl",
+ 0);
+ if ((rodc_uac & UF_PARTIAL_SECRETS_ACCOUNT)
+ != UF_PARTIAL_SECRETS_ACCOUNT) {
+ DBG_ERR("Attempt to use an RODC account that is not an RODC: %s\n",
+ ldb_dn_get_linearized(rodc_msg->dn));
+ TALLOC_FREE(frame);
+ return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
+ }
+
+ werr = samdb_result_sid_array_dn(sam_ctx, rodc_msg,
+ frame, "msDS-NeverRevealGroup",
+ &num_never_reveal_sids,
+ &never_reveal_sids);
+ if (!W_ERROR_IS_OK(werr)) {
+ DBG_ERR("Failed to parse msDS-NeverRevealGroup on %s: %s\n",
+ ldb_dn_get_linearized(rodc_msg->dn),
+ win_errstr(werr));
+ TALLOC_FREE(frame);
+ return WERR_DS_DRA_SECRETS_DENIED;
+ }
+
+ werr = samdb_result_sid_array_dn(sam_ctx, rodc_msg,
+ frame, "msDS-RevealOnDemandGroup",
+ &num_reveal_sids,
+ &reveal_sids);
+ if (!W_ERROR_IS_OK(werr)) {
+ DBG_ERR("Failed to parse msDS-RevealOnDemandGroup on %s: %s\n",
+ ldb_dn_get_linearized(rodc_msg->dn),
+ win_errstr(werr));
+ TALLOC_FREE(frame);
+ return WERR_DS_DRA_SECRETS_DENIED;
+ }
+
+ /* The RODC can replicate and print tickets for itself. */
+ if (dom_sid_equal(&token_sids[0], rodc_machine_account_sid)) {
+ TALLOC_FREE(frame);
+ return WERR_OK;
+ }
+
+ if (never_reveal_sids &&
+ sid_list_match(num_token_sids,
+ token_sids,
+ num_never_reveal_sids,
+ never_reveal_sids)) {
+ TALLOC_FREE(frame);
+ return WERR_DS_DRA_SECRETS_DENIED;
+ }
+
+ if (reveal_sids &&
+ sid_list_match(num_token_sids,
+ token_sids,
+ num_reveal_sids,
+ reveal_sids)) {
+ TALLOC_FREE(frame);
+ return WERR_OK;
+ }
+
+ TALLOC_FREE(frame);
+ return WERR_DS_DRA_SECRETS_DENIED;
+
+}
+
+/*
+ * This is a wrapper for the above that pulls in the tokenGroups
+ * rather than relying on the caller providing those
+ */
+WERROR samdb_confirm_rodc_allowed_to_repl_to(struct ldb_context *sam_ctx,
+ struct dom_sid *rodc_machine_account_sid,
+ struct ldb_message *rodc_msg,
+ struct ldb_message *obj_msg)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ WERROR werr;
+ uint32_t num_token_sids;
+ struct dom_sid *token_sids;
+ const struct dom_sid *object_sid = NULL;
+
+ object_sid = samdb_result_dom_sid(frame,
+ obj_msg,
+ "objectSid");
+ if (object_sid == NULL) {
+ return WERR_DS_DRA_BAD_DN;
+ }
+
+ /*
+ * The SID list needs to include itself as well as the tokenGroups.
+ *
+ * TODO determine if sIDHistory is required for this check
+ */
+ werr = samdb_result_sid_array_ndr(sam_ctx,
+ obj_msg,
+ frame, "tokenGroups",
+ &num_token_sids,
+ &token_sids,
+ object_sid);
+ if (!W_ERROR_IS_OK(werr) || token_sids==NULL) {
+ DBG_ERR("Failed to get tokenGroups on %s to confirm access via RODC %s: %s\n",
+ ldb_dn_get_linearized(obj_msg->dn),
+ ldb_dn_get_linearized(rodc_msg->dn),
+ win_errstr(werr));
+ return WERR_DS_DRA_SECRETS_DENIED;
+ }
+
+ werr = samdb_confirm_rodc_allowed_to_repl_to_sid_list(sam_ctx,
+ rodc_machine_account_sid,
+ rodc_msg,
+ obj_msg,
+ num_token_sids,
+ token_sids);
+ TALLOC_FREE(frame);
+ return werr;
+}
diff --git a/source4/dsdb/common/tests/dsdb.c b/source4/dsdb/common/tests/dsdb.c
new file mode 100644
index 0000000..b38dee1
--- /dev/null
+++ b/source4/dsdb/common/tests/dsdb.c
@@ -0,0 +1,93 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Test DSDB search
+
+ Copyright (C) Andrew Bartlet <abartlet@samba.org> 2019
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include <ldb_module.h>
+#include "ldb_wrap.h"
+#include "param/param.h"
+#include "param/loadparm.h"
+#include "torture/smbtorture.h"
+#include "torture/dsdb_proto.h"
+#include "auth/auth.h"
+
+bool torture_ldb_no_attrs(struct torture_context *torture)
+{
+ struct ldb_context *ldb;
+ int ret;
+ struct ldb_request *req;
+ struct ldb_result *ctx;
+ struct ldb_dn *dn;
+ const char *attrs[] = { NULL };
+
+ struct auth_session_info *session;
+ struct dom_sid *domain_sid = NULL;
+ const char *path;
+
+ path = lpcfg_private_path(NULL, torture->lp_ctx, "sam.ldb");
+ torture_assert(torture, path != NULL,
+ "Couldn't find sam.ldb. Run with -s $SERVERCONFFILE");
+
+ domain_sid = dom_sid_parse_talloc(NULL, SID_BUILTIN);
+ session = admin_session(NULL, torture->lp_ctx, domain_sid);
+ ldb = ldb_wrap_connect(torture, torture->ev, torture->lp_ctx,
+ path, session, NULL, 0);
+ torture_assert(torture, ldb, "Failed to connect to LDB target");
+
+ ctx = talloc_zero(ldb, struct ldb_result);
+
+ dn = ldb_get_default_basedn(ldb);
+ ldb_dn_add_child_fmt(dn, "cn=users");
+ ret = ldb_build_search_req(&req, ldb, ctx, dn, LDB_SCOPE_SUBTREE,
+ "(objectClass=*)", attrs, NULL,
+ ctx, ldb_search_default_callback, NULL);
+ torture_assert(torture, ret == LDB_SUCCESS,
+ "Failed to build search request");
+ ldb_req_mark_untrusted(req);
+
+ ret = ldb_request(ldb, req);
+ torture_assert(torture, ret == LDB_SUCCESS, ldb_errstring(ldb));
+
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ torture_assert(torture, ret == LDB_SUCCESS, ldb_errstring(ldb));
+
+ torture_assert(torture, ctx->count > 0, "Users container empty");
+ torture_assert_int_equal(torture, ctx->msgs[0]->num_elements, 0,
+ "Attributes returned for request "
+ "with empty attribute list");
+
+ return true;
+}
+
+NTSTATUS torture_dsdb_init(TALLOC_CTX *mem_ctx)
+{
+ struct torture_suite *suite = torture_suite_create(mem_ctx, "dsdb");
+
+ if (suite == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ torture_suite_add_simple_test(suite, "no_attrs", torture_ldb_no_attrs);
+
+ suite->description = talloc_strdup(suite, "DSDB tests");
+
+ torture_register_suite(mem_ctx, suite);
+
+ return NT_STATUS_OK;
+}
diff --git a/source4/dsdb/common/tests/dsdb_dn.c b/source4/dsdb/common/tests/dsdb_dn.c
new file mode 100644
index 0000000..66c7e12
--- /dev/null
+++ b/source4/dsdb/common/tests/dsdb_dn.c
@@ -0,0 +1,374 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Test LDB attribute functions
+
+ Copyright (C) Andrew Bartlet <abartlet@samba.org> 2008
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include <ldb.h>
+#include <ldb_errors.h>
+#include "lib/ldb-samba/ldif_handlers.h"
+#include "ldb_wrap.h"
+#include "dsdb/samdb/samdb.h"
+#include "param/param.h"
+#include "torture/smbtorture.h"
+#include "torture/local/proto.h"
+
+#define DSDB_DN_TEST_SID "S-1-5-21-4177067393-1453636373-93818737"
+
+static bool torture_dsdb_dn_attrs(struct torture_context *torture)
+{
+ TALLOC_CTX *mem_ctx = talloc_new(torture);
+ struct ldb_context *ldb;
+ const struct ldb_schema_syntax *syntax;
+ struct ldb_val dn1, dn2, dn3;
+
+ torture_assert(torture,
+ ldb = ldb_init(mem_ctx, torture->ev),
+ "Failed to init ldb");
+
+ torture_assert_int_equal(torture,
+ ldb_register_samba_handlers(ldb), LDB_SUCCESS,
+ "Failed to register Samba handlers");
+
+ ldb_set_utf8_fns(ldb, NULL, wrap_casefold);
+
+ /* Test DN+Binary behaviour */
+ torture_assert(torture, syntax = ldb_samba_syntax_by_name(ldb, DSDB_SYNTAX_BINARY_DN),
+ "Failed to get DN+Binary schema attribute");
+ /* Test compare with different case of HEX string */
+ dn1 = data_blob_string_const("B:6:abcdef:dc=samba,dc=org");
+ dn2 = data_blob_string_const("B:6:ABCDef:dc=samba,dc=org");
+ torture_assert_int_equal(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2), 0,
+ "Failed to compare different case of binary in DN+Binary");
+ torture_assert_int_equal(torture,
+ syntax->canonicalise_fn(ldb, mem_ctx, &dn1, &dn3), 0,
+ "Failed to canonicalise DN+Binary");
+ torture_assert_data_blob_equal(torture, dn3, data_blob_string_const("B:6:ABCDEF:DC=SAMBA,DC=ORG"),
+ "Failed to canonicalise DN+Binary");
+ /* Test compare with different case of DN */
+ dn1 = data_blob_string_const("B:6:abcdef:dc=samba,dc=org");
+ dn2 = data_blob_string_const("B:6:abcdef:dc=SAMBa,dc=ORg");
+ torture_assert_int_equal(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2), 0,
+ "Failed to compare different case of DN in DN+Binary");
+
+ /* Test compare (false) with binary and non-binary prefix */
+ dn1 = data_blob_string_const("B:6:abcdef:dc=samba,dc=org");
+ dn2 = data_blob_string_const("dc=samba,dc=org");
+ torture_assert(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2) != 0,
+ "compare of binary+dn an dn should have failed");
+
+ /* Test compare (false) with different binary prefix */
+ dn1 = data_blob_string_const("B:6:abcdef:dc=samba,dc=org");
+ dn2 = data_blob_string_const("B:4:abcd:dc=samba,dc=org");
+ torture_assert(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2) != 0,
+ "compare of binary+dn an dn should have failed");
+
+ /* Test DN+String behaviour */
+ torture_assert(torture, syntax = ldb_samba_syntax_by_name(ldb, DSDB_SYNTAX_STRING_DN),
+ "Failed to get DN+String schema attribute");
+
+ /* Test compare with different case of string */
+ dn1 = data_blob_string_const("S:8:hihohiho:dc=samba,dc=org");
+ dn2 = data_blob_string_const("S:8:HIHOHIHO:dc=samba,dc=org");
+ torture_assert(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2) != 0,
+ "compare of string+dn an different case of string+dn should have failed");
+
+ /* Test compare with different case of DN */
+ dn1 = data_blob_string_const("S:8:hihohiho:dc=samba,dc=org");
+ dn2 = data_blob_string_const("S:8:hihohiho:dc=SAMBA,dc=org");
+ torture_assert_int_equal(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2), 0,
+ "Failed to compare different case of DN in DN+String");
+ torture_assert_int_equal(torture,
+ syntax->canonicalise_fn(ldb, mem_ctx, &dn1, &dn3), 0,
+ "Failed to canonicalise DN+String");
+ torture_assert_data_blob_equal(torture, dn3, data_blob_string_const("S:8:hihohiho:DC=SAMBA,DC=ORG"),
+ "Failed to canonicalise DN+String");
+
+ /* Test compare (false) with string and non-string prefix */
+ dn1 = data_blob_string_const("S:6:abcdef:dc=samba,dc=org");
+ dn2 = data_blob_string_const("dc=samba,dc=org");
+ torture_assert(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2) != 0,
+ "compare of string+dn an dn should have failed");
+
+ /* Test compare (false) with different string prefix */
+ dn1 = data_blob_string_const("S:6:abcdef:dc=samba,dc=org");
+ dn2 = data_blob_string_const("S:6:abcXYZ:dc=samba,dc=org");
+ torture_assert(torture,
+ syntax->comparison_fn(ldb, mem_ctx, &dn1, &dn2) != 0,
+ "compare of string+dn an dn should have failed");
+
+ talloc_free(mem_ctx);
+ return true;
+}
+
+static bool torture_dsdb_dn_valid(struct torture_context *torture)
+{
+ TALLOC_CTX *mem_ctx = talloc_new(torture);
+ struct ldb_context *ldb;
+ struct ldb_dn *dn;
+ struct dsdb_dn *dsdb_dn;
+
+ struct ldb_val val;
+
+ DATA_BLOB abcd_blob = data_blob_talloc(mem_ctx, "\xa\xb\xc\xd", 4);
+
+ torture_assert(torture,
+ ldb = ldb_init(mem_ctx, torture->ev),
+ "Failed to init ldb");
+
+ torture_assert_int_equal(torture,
+ ldb_register_samba_handlers(ldb), LDB_SUCCESS,
+ "Failed to register Samba handlers");
+
+ ldb_set_utf8_fns(ldb, NULL, wrap_casefold);
+
+ /* Check behaviour of a normal DN */
+ torture_assert(torture,
+ dn = ldb_dn_new(mem_ctx, ldb, NULL),
+ "Failed to create a NULL DN");
+ torture_assert(torture,
+ ldb_dn_validate(dn),
+ "Failed to validate NULL DN");
+ torture_assert(torture,
+ ldb_dn_add_base_fmt(dn, "dc=org"),
+ "Failed to add base DN");
+ torture_assert(torture,
+ ldb_dn_add_child_fmt(dn, "dc=samba"),
+ "Failed to add base DN");
+ torture_assert_str_equal(torture, ldb_dn_get_linearized(dn), "dc=samba,dc=org",
+ "linearized DN incorrect");
+ torture_assert(torture, dsdb_dn = dsdb_dn_construct(mem_ctx, dn, data_blob_null, LDB_SYNTAX_DN),
+ "Failed to build dsdb dn");
+ torture_assert_str_equal(torture, dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 0), "dc=samba,dc=org",
+ "extended linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_linearized(mem_ctx, dsdb_dn), "dc=samba,dc=org",
+ "linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_casefold(mem_ctx, dsdb_dn), "DC=SAMBA,DC=ORG",
+ "casefold DN incorrect");
+
+
+ /* Test constructing a binary DN */
+ torture_assert(torture, dsdb_dn = dsdb_dn_construct(mem_ctx, dn, abcd_blob, DSDB_SYNTAX_BINARY_DN),
+ "Failed to build binary dsdb dn");
+ torture_assert_str_equal(torture, dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 0), "B:8:0A0B0C0D:dc=samba,dc=org",
+ "extended linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_linearized(mem_ctx, dsdb_dn), "B:8:0A0B0C0D:dc=samba,dc=org",
+ "linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_casefold(mem_ctx, dsdb_dn), "B:8:0A0B0C0D:DC=SAMBA,DC=ORG",
+ "casefold DN incorrect");
+ torture_assert_int_equal(torture, dsdb_dn->extra_part.length, 4, "length of extra-part should be 2");
+
+
+ /* Test constructing a string DN */
+ torture_assert(torture, dsdb_dn = dsdb_dn_construct(mem_ctx, dn, data_blob_talloc(mem_ctx, "hello", 5), DSDB_SYNTAX_STRING_DN),
+ "Failed to build string dsdb dn");
+ torture_assert_str_equal(torture, dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 0), "S:5:hello:dc=samba,dc=org",
+ "extended linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_linearized(mem_ctx, dsdb_dn), "S:5:hello:dc=samba,dc=org",
+ "linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_casefold(mem_ctx, dsdb_dn), "S:5:hello:DC=SAMBA,DC=ORG",
+ "casefold DN incorrect");
+ torture_assert_int_equal(torture, dsdb_dn->extra_part.length, 5, "length of extra-part should be 5");
+
+
+ /* Test compose of binary+DN */
+ val = data_blob_string_const("B:0::CN=Zer0,DC=SAMBA,DC=org");
+ torture_assert(torture,
+ dsdb_dn = dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN),
+ "Failed to create a DN with a zero binary part in it");
+ torture_assert_int_equal(torture, dsdb_dn->extra_part.length, 0, "length of extra-part should be 0");
+ torture_assert_str_equal(torture, dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 0), "B:0::CN=Zer0,DC=SAMBA,DC=org",
+ "extended linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_linearized(mem_ctx, dsdb_dn), "B:0::CN=Zer0,DC=SAMBA,DC=org",
+ "linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_casefold(mem_ctx, dsdb_dn), "B:0::CN=ZER0,DC=SAMBA,DC=ORG",
+ "casefold DN incorrect");
+
+ /* Test parse of binary DN */
+ val = data_blob_string_const("B:8:abcdabcd:CN=4,DC=Samba,DC=org");
+ torture_assert(torture,
+ dsdb_dn = dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN),
+ "Failed to create a DN with a binary part in it");
+ torture_assert_int_equal(torture, dsdb_dn->extra_part.length, 4, "length of extra-part should be 4");
+
+ torture_assert_str_equal(torture, dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 0), "B:8:ABCDABCD:CN=4,DC=Samba,DC=org",
+ "extended linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_linearized(mem_ctx, dsdb_dn), "B:8:ABCDABCD:CN=4,DC=Samba,DC=org",
+ "linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_casefold(mem_ctx, dsdb_dn), "B:8:ABCDABCD:CN=4,DC=SAMBA,DC=ORG",
+ "casefold DN incorrect");
+
+ /* Test parse of string+DN */
+ val = data_blob_string_const("S:8:Goodbye!:CN=S,DC=Samba,DC=org");
+ torture_assert(torture,
+ dsdb_dn = dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_STRING_DN),
+ "Failed to create a DN with a string part in it");
+ torture_assert_int_equal(torture, dsdb_dn->extra_part.length, 8, "length of extra-part should be 8");
+ torture_assert_str_equal(torture, dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 0), "S:8:Goodbye!:CN=S,DC=Samba,DC=org",
+ "extended linearized DN incorrect");
+
+ /* Test that the linearised DN is the postfix of the lineairsed dsdb_dn */
+ torture_assert_str_equal(torture, ldb_dn_get_extended_linearized(mem_ctx, dsdb_dn->dn, 0), "CN=S,DC=Samba,DC=org",
+ "extended linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_linearized(mem_ctx, dsdb_dn), "S:8:Goodbye!:CN=S,DC=Samba,DC=org",
+ "linearized DN incorrect");
+ torture_assert_str_equal(torture, ldb_dn_get_linearized(dsdb_dn->dn), "CN=S,DC=Samba,DC=org",
+ "linearized DN incorrect");
+ torture_assert_str_equal(torture, dsdb_dn_get_casefold(mem_ctx, dsdb_dn), "S:8:Goodbye!:CN=S,DC=SAMBA,DC=ORG",
+ "casefold DN incorrect");
+
+ /* Test that the casefold DN is the postfix of the casefolded dsdb_dn */
+ torture_assert_str_equal(torture, ldb_dn_get_casefold(dsdb_dn->dn), "CN=S,DC=SAMBA,DC=ORG",
+ "casefold DN incorrect");
+
+ talloc_free(mem_ctx);
+ return true;
+}
+
+static bool torture_dsdb_dn_invalid(struct torture_context *torture)
+{
+ TALLOC_CTX *mem_ctx = talloc_new(torture);
+ struct ldb_context *ldb;
+ struct ldb_val val;
+
+ torture_assert(torture,
+ ldb = ldb_init(mem_ctx, torture->ev),
+ "Failed to init ldb");
+
+ torture_assert_int_equal(torture,
+ ldb_register_samba_handlers(ldb), LDB_SUCCESS,
+ "Failed to register Samba handlers");
+
+ ldb_set_utf8_fns(ldb, NULL, wrap_casefold);
+
+ /* Check behaviour of a normal DN */
+ val = data_blob_string_const("samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val, LDB_SYNTAX_DN) == NULL,
+ "Should have failed to create a 'normal' invalid DN");
+
+ /* Test invalid binary DNs */
+ val = data_blob_string_const("B:5:AB:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create an invalid 'binary' DN");
+ val = data_blob_string_const("B:5:ABCDEFG:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create an invalid 'binary' DN");
+ val = data_blob_string_const("B:10:AB:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create an invalid 'binary' DN");
+ val = data_blob_string_const("B:4:0xAB:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create an invalid 0x preifx 'binary' DN");
+ val = data_blob_string_const("B:2:0xAB:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create an invalid 0x preifx 'binary' DN");
+ val = data_blob_string_const("B:10:XXXXXXXXXX:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create an invalid 'binary' DN");
+
+ val = data_blob_string_const("B:60::dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create an invalid 'binary' DN");
+
+ /* Test invalid string DNs */
+ val = data_blob_string_const("S:5:hi:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_STRING_DN) == NULL,
+ "Should have Failed to create an invalid 'string' DN");
+ val = data_blob_string_const("S:5:hihohiho:dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val,
+ DSDB_SYNTAX_STRING_DN) == NULL,
+ "Should have Failed to create an invalid 'string' DN");
+
+ val = data_blob_string_const("<SID=" DSDB_DN_TEST_SID">;dc=samba,dc=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val, DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have failed to create an 'extended' DN marked as a binary DN");
+
+ /* Check DN based on MS-ADTS:3.1.1.5.1.2 Naming Constraints*/
+ val = data_blob_string_const("CN=New\nLine,DC=SAMBA,DC=org");
+
+ /* changed to a warning until we understand the DEL: DNs */
+ if (dsdb_dn_parse(mem_ctx, ldb, &val, LDB_SYNTAX_DN) != NULL) {
+ torture_warning(torture,
+ "Should have Failed to create a DN with 0xA in it");
+ }
+
+ val = data_blob_string_const("B:4:ABAB:CN=New\nLine,DC=SAMBA,DC=org");
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val, LDB_SYNTAX_DN) == NULL,
+ "Should have Failed to create a DN with 0xA in it");
+
+ val = data_blob_const("CN=Zer\0,DC=SAMBA,DC=org", 23);
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val, LDB_SYNTAX_DN) == NULL,
+ "Should have Failed to create a DN with 0x0 in it");
+
+ val = data_blob_const("B:4:ABAB:CN=Zer\0,DC=SAMBA,DC=org", 23+9);
+ torture_assert(torture,
+ dsdb_dn_parse(mem_ctx, ldb, &val, DSDB_SYNTAX_BINARY_DN) == NULL,
+ "Should have Failed to create a DN with 0x0 in it");
+
+ return true;
+}
+
+struct torture_suite *torture_dsdb_dn(TALLOC_CTX *mem_ctx)
+{
+ struct torture_suite *suite = torture_suite_create(mem_ctx, "dsdb.dn");
+
+ if (suite == NULL) {
+ return NULL;
+ }
+
+ torture_suite_add_simple_test(suite, "valid", torture_dsdb_dn_valid);
+ torture_suite_add_simple_test(suite, "invalid", torture_dsdb_dn_invalid);
+ torture_suite_add_simple_test(suite, "attrs", torture_dsdb_dn_attrs);
+
+ suite->description = talloc_strdup(suite, "DSDB DN tests");
+
+ return suite;
+}
diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c
new file mode 100644
index 0000000..59d1f7e
--- /dev/null
+++ b/source4/dsdb/common/util.c
@@ -0,0 +1,6408 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+
+ Copyright (C) Andrew Tridgell 2004
+ Copyright (C) Volker Lendecke 2004
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
+ Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "events/events.h"
+#include "ldb.h"
+#include "ldb_module.h"
+#include "ldb_errors.h"
+#include "../lib/util/util_ldb.h"
+#include "../lib/crypto/crypto.h"
+#include "dsdb/samdb/samdb.h"
+#include "libcli/security/security.h"
+#include "librpc/gen_ndr/ndr_security.h"
+#include "librpc/gen_ndr/ndr_misc.h"
+#include "../libds/common/flags.h"
+#include "dsdb/common/proto.h"
+#include "libcli/ldap/ldap_ndr.h"
+#include "param/param.h"
+#include "libcli/auth/libcli_auth.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "system/locale.h"
+#include "system/filesys.h"
+#include "lib/util/tsort.h"
+#include "dsdb/common/util.h"
+#include "lib/socket/socket.h"
+#include "librpc/gen_ndr/irpc.h"
+#include "libds/common/flag_mapping.h"
+#include "lib/util/access.h"
+#include "lib/util/sys_rw_data.h"
+#include "libcli/util/ntstatus.h"
+#include "lib/util/smb_strtox.h"
+
+#undef strncasecmp
+#undef strcasecmp
+
+/*
+ * This included to allow us to handle DSDB_FLAG_REPLICATED_UPDATE in
+ * dsdb_request_add_controls()
+ */
+#include "dsdb/samdb/ldb_modules/util.h"
+
+/* default is 30 minutes: -1e7 * 30 * 60 */
+#define DEFAULT_OBSERVATION_WINDOW -18000000000
+
+/*
+ search the sam for the specified attributes in a specific domain, filter on
+ objectSid being in domain_sid.
+*/
+int samdb_search_domain(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *basedn,
+ struct ldb_message ***res,
+ const char * const *attrs,
+ const struct dom_sid *domain_sid,
+ const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
+{
+ va_list ap;
+ int i, count;
+
+ va_start(ap, format);
+ count = gendb_search_v(sam_ldb, mem_ctx, basedn,
+ res, attrs, format, ap);
+ va_end(ap);
+
+ i=0;
+
+ while (i<count) {
+ struct dom_sid *entry_sid;
+
+ entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
+
+ if ((entry_sid == NULL) ||
+ (!dom_sid_in_domain(domain_sid, entry_sid))) {
+ /* Delete that entry from the result set */
+ (*res)[i] = (*res)[count-1];
+ count -= 1;
+ talloc_free(entry_sid);
+ continue;
+ }
+ talloc_free(entry_sid);
+ i += 1;
+ }
+
+ return count;
+}
+
+/*
+ search the sam for a single string attribute in exactly 1 record
+*/
+const char *samdb_search_string_v(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *basedn,
+ const char *attr_name,
+ const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
+{
+ int count;
+ const char *attrs[2] = { NULL, NULL };
+ struct ldb_message **res = NULL;
+
+ attrs[0] = attr_name;
+
+ count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
+ if (count > 1) {
+ DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
+ attr_name, format, count));
+ }
+ if (count != 1) {
+ talloc_free(res);
+ return NULL;
+ }
+
+ return ldb_msg_find_attr_as_string(res[0], attr_name, NULL);
+}
+
+/*
+ search the sam for a single string attribute in exactly 1 record
+*/
+const char *samdb_search_string(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *basedn,
+ const char *attr_name,
+ const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
+{
+ va_list ap;
+ const char *str;
+
+ va_start(ap, format);
+ str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
+ va_end(ap);
+
+ return str;
+}
+
+struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *basedn,
+ const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
+{
+ va_list ap;
+ struct ldb_dn *ret;
+ struct ldb_message **res = NULL;
+ int count;
+
+ va_start(ap, format);
+ count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
+ va_end(ap);
+
+ if (count != 1) return NULL;
+
+ ret = talloc_steal(mem_ctx, res[0]->dn);
+ talloc_free(res);
+
+ return ret;
+}
+
+/*
+ search the sam for a dom_sid attribute in exactly 1 record
+*/
+struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *basedn,
+ const char *attr_name,
+ const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
+{
+ va_list ap;
+ int count;
+ struct ldb_message **res;
+ const char *attrs[2] = { NULL, NULL };
+ struct dom_sid *sid;
+
+ attrs[0] = attr_name;
+
+ va_start(ap, format);
+ count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
+ va_end(ap);
+ if (count > 1) {
+ DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
+ attr_name, format, count));
+ }
+ if (count != 1) {
+ talloc_free(res);
+ return NULL;
+ }
+ sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
+ talloc_free(res);
+ return sid;
+}
+
+/*
+ search the sam for a single integer attribute in exactly 1 record
+*/
+unsigned int samdb_search_uint(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ unsigned int default_value,
+ struct ldb_dn *basedn,
+ const char *attr_name,
+ const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
+{
+ va_list ap;
+ int count;
+ struct ldb_message **res;
+ const char *attrs[2] = { NULL, NULL };
+
+ attrs[0] = attr_name;
+
+ va_start(ap, format);
+ count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
+ va_end(ap);
+
+ if (count != 1) {
+ return default_value;
+ }
+
+ return ldb_msg_find_attr_as_uint(res[0], attr_name, default_value);
+}
+
+/*
+ search the sam for a single signed 64 bit integer attribute in exactly 1 record
+*/
+int64_t samdb_search_int64(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ int64_t default_value,
+ struct ldb_dn *basedn,
+ const char *attr_name,
+ const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
+{
+ va_list ap;
+ int count;
+ struct ldb_message **res;
+ const char *attrs[2] = { NULL, NULL };
+
+ attrs[0] = attr_name;
+
+ va_start(ap, format);
+ count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
+ va_end(ap);
+
+ if (count != 1) {
+ return default_value;
+ }
+
+ return ldb_msg_find_attr_as_int64(res[0], attr_name, default_value);
+}
+
+/*
+ search the sam for multipe records each giving a single string attribute
+ return the number of matches, or -1 on error
+*/
+int samdb_search_string_multiple(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *basedn,
+ const char ***strs,
+ const char *attr_name,
+ const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
+{
+ va_list ap;
+ int count, i;
+ const char *attrs[2] = { NULL, NULL };
+ struct ldb_message **res = NULL;
+
+ attrs[0] = attr_name;
+
+ va_start(ap, format);
+ count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
+ va_end(ap);
+
+ if (count <= 0) {
+ return count;
+ }
+
+ /* make sure its single valued */
+ for (i=0;i<count;i++) {
+ if (res[i]->num_elements != 1) {
+ DEBUG(1,("samdb: search for %s %s not single valued\n",
+ attr_name, format));
+ talloc_free(res);
+ return -1;
+ }
+ }
+
+ *strs = talloc_array(mem_ctx, const char *, count+1);
+ if (! *strs) {
+ talloc_free(res);
+ return -1;
+ }
+
+ for (i=0;i<count;i++) {
+ (*strs)[i] = ldb_msg_find_attr_as_string(res[i], attr_name, NULL);
+ }
+ (*strs)[count] = NULL;
+
+ return count;
+}
+
+struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
+ const char *attr, struct ldb_dn *default_value)
+{
+ struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
+ if (!ret_dn) {
+ return default_value;
+ }
+ return ret_dn;
+}
+
+/*
+ pull a rid from a objectSid in a result set.
+*/
+uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
+ const char *attr, uint32_t default_value)
+{
+ struct dom_sid *sid;
+ uint32_t rid;
+
+ sid = samdb_result_dom_sid(mem_ctx, msg, attr);
+ if (sid == NULL) {
+ return default_value;
+ }
+ rid = sid->sub_auths[sid->num_auths-1];
+ talloc_free(sid);
+ return rid;
+}
+
+/*
+ pull a dom_sid structure from a objectSid in a result set.
+*/
+struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
+ const char *attr)
+{
+ ssize_t ret;
+ const struct ldb_val *v;
+ struct dom_sid *sid;
+ v = ldb_msg_find_ldb_val(msg, attr);
+ if (v == NULL) {
+ return NULL;
+ }
+ sid = talloc(mem_ctx, struct dom_sid);
+ if (sid == NULL) {
+ return NULL;
+ }
+ ret = sid_parse(v->data, v->length, sid);
+ if (ret == -1) {
+ talloc_free(sid);
+ return NULL;
+ }
+ return sid;
+}
+
+/*
+ pull a dom_sid structure from a objectSid in a result set.
+*/
+int samdb_result_dom_sid_buf(const struct ldb_message *msg,
+ const char *attr,
+ struct dom_sid *sid)
+{
+ ssize_t ret;
+ const struct ldb_val *v = NULL;
+ v = ldb_msg_find_ldb_val(msg, attr);
+ if (v == NULL) {
+ return LDB_ERR_NO_SUCH_ATTRIBUTE;
+ }
+ ret = sid_parse(v->data, v->length, sid);
+ if (ret == -1) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ return LDB_SUCCESS;
+}
+
+/*
+ pull a guid structure from a objectGUID in a result set.
+*/
+struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
+{
+ const struct ldb_val *v;
+ struct GUID guid;
+ NTSTATUS status;
+
+ v = ldb_msg_find_ldb_val(msg, attr);
+ if (!v) return GUID_zero();
+
+ status = GUID_from_ndr_blob(v, &guid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return GUID_zero();
+ }
+
+ return guid;
+}
+
+/*
+ pull a sid prefix from a objectSid in a result set.
+ this is used to find the domain sid for a user
+*/
+struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
+ const char *attr)
+{
+ struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
+ if (!sid || sid->num_auths < 1) return NULL;
+ sid->num_auths--;
+ return sid;
+}
+
+/*
+ pull a NTTIME in a result set.
+*/
+NTTIME samdb_result_nttime(const struct ldb_message *msg, const char *attr,
+ NTTIME default_value)
+{
+ return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
+}
+
+/*
+ * Windows stores 0 for lastLogoff.
+ * But when a MS DC return the lastLogoff (as Logoff Time)
+ * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
+ * cause windows 2008 and newer version to fail for SMB requests
+ */
+NTTIME samdb_result_last_logoff(const struct ldb_message *msg)
+{
+ NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
+
+ if (ret == 0)
+ ret = 0x7FFFFFFFFFFFFFFFULL;
+
+ return ret;
+}
+
+/*
+ * Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
+ * indicate an account doesn't expire.
+ *
+ * When Windows initially creates an account, it sets
+ * accountExpires = 9223372036854775807 (0x7FFFFFFFFFFFFFFF). However,
+ * when changing from an account having a specific expiration date to
+ * that account never expiring, it sets accountExpires = 0.
+ *
+ * Consolidate that logic here to allow clearer logic for account expiry in
+ * the rest of the code.
+ */
+NTTIME samdb_result_account_expires(const struct ldb_message *msg)
+{
+ NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "accountExpires",
+ 0);
+
+ if (ret == 0)
+ ret = 0x7FFFFFFFFFFFFFFFULL;
+
+ return ret;
+}
+
+/*
+ construct the allow_password_change field from the PwdLastSet attribute and the
+ domain password settings
+*/
+NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *domain_dn,
+ struct ldb_message *msg,
+ const char *attr)
+{
+ uint64_t attr_time = ldb_msg_find_attr_as_uint64(msg, attr, 0);
+ int64_t minPwdAge;
+
+ if (attr_time == 0) {
+ return 0;
+ }
+
+ minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
+
+ /* yes, this is a -= not a += as minPwdAge is stored as the negative
+ of the number of 100-nano-seconds */
+ attr_time -= minPwdAge;
+
+ return attr_time;
+}
+
+/*
+ pull a samr_Password structutre from a result set.
+*/
+struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
+{
+ struct samr_Password *hash = NULL;
+ const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
+ if (val && (val->length >= sizeof(hash->hash))) {
+ hash = talloc(mem_ctx, struct samr_Password);
+ memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
+ }
+ return hash;
+}
+
+/*
+ pull an array of samr_Password structures from a result set.
+*/
+unsigned int samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
+ const char *attr, struct samr_Password **hashes)
+{
+ unsigned int count, i;
+ const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
+
+ *hashes = NULL;
+ if (!val) {
+ return 0;
+ }
+ count = val->length / 16;
+ if (count == 0) {
+ return 0;
+ }
+
+ *hashes = talloc_array(mem_ctx, struct samr_Password, count);
+ if (! *hashes) {
+ return 0;
+ }
+ talloc_keep_secret(*hashes);
+
+ for (i=0;i<count;i++) {
+ memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
+ }
+
+ return count;
+}
+
+NTSTATUS samdb_result_passwords_from_history(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ const struct ldb_message *msg,
+ unsigned int idx,
+ const struct samr_Password **lm_pwd,
+ const struct samr_Password **nt_pwd)
+{
+ struct samr_Password *lmPwdHash, *ntPwdHash;
+
+ if (nt_pwd) {
+ unsigned int num_nt;
+ num_nt = samdb_result_hashes(mem_ctx, msg, "ntPwdHistory", &ntPwdHash);
+ if (num_nt <= idx) {
+ *nt_pwd = NULL;
+ } else {
+ *nt_pwd = &ntPwdHash[idx];
+ }
+ }
+ if (lm_pwd) {
+ /* Ensure that if we have turned off LM
+ * authentication, that we never use the LM hash, even
+ * if we store it */
+ if (lpcfg_lanman_auth(lp_ctx)) {
+ unsigned int num_lm;
+ num_lm = samdb_result_hashes(mem_ctx, msg, "lmPwdHistory", &lmPwdHash);
+ if (num_lm <= idx) {
+ *lm_pwd = NULL;
+ } else {
+ *lm_pwd = &lmPwdHash[idx];
+ }
+ } else {
+ *lm_pwd = NULL;
+ }
+ }
+ return NT_STATUS_OK;
+}
+
+NTSTATUS samdb_result_passwords_no_lockout(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ const struct ldb_message *msg,
+ struct samr_Password **nt_pwd)
+{
+ struct samr_Password *ntPwdHash;
+
+ if (nt_pwd) {
+ unsigned int num_nt;
+ num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
+ if (num_nt == 0) {
+ *nt_pwd = NULL;
+ } else if (num_nt > 1) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ } else {
+ *nt_pwd = &ntPwdHash[0];
+ }
+ }
+ return NT_STATUS_OK;
+}
+
+NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ const struct ldb_message *msg,
+ struct samr_Password **nt_pwd)
+{
+ uint16_t acct_flags;
+
+ acct_flags = samdb_result_acct_flags(msg,
+ "msDS-User-Account-Control-Computed");
+ /* Quit if the account was locked out. */
+ if (acct_flags & ACB_AUTOLOCK) {
+ DEBUG(3,("samdb_result_passwords: Account for user %s was locked out.\n",
+ ldb_dn_get_linearized(msg->dn)));
+ return NT_STATUS_ACCOUNT_LOCKED_OUT;
+ }
+
+ return samdb_result_passwords_no_lockout(mem_ctx, lp_ctx, msg,
+ nt_pwd);
+}
+
+/*
+ pull a samr_LogonHours structutre from a result set.
+*/
+struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
+{
+ struct samr_LogonHours hours;
+ size_t units_per_week = 168;
+ const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
+
+ ZERO_STRUCT(hours);
+
+ if (val) {
+ units_per_week = val->length * 8;
+ }
+
+ hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week/8);
+ if (!hours.bits) {
+ return hours;
+ }
+ hours.units_per_week = units_per_week;
+ memset(hours.bits, 0xFF, units_per_week/8);
+ if (val) {
+ memcpy(hours.bits, val->data, val->length);
+ }
+
+ return hours;
+}
+
+/*
+ pull a set of account_flags from a result set.
+
+ Naturally, this requires that userAccountControl and
+ (if not null) the attributes 'attr' be already
+ included in msg
+*/
+uint32_t samdb_result_acct_flags(const struct ldb_message *msg, const char *attr)
+{
+ uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
+ uint32_t attr_flags = 0;
+ uint32_t acct_flags = ds_uf2acb(userAccountControl);
+ if (attr) {
+ attr_flags = ldb_msg_find_attr_as_uint(msg, attr, UF_ACCOUNTDISABLE);
+ if (attr_flags == UF_ACCOUNTDISABLE) {
+ DEBUG(0, ("Attribute %s not found, disabling account %s!\n", attr,
+ ldb_dn_get_linearized(msg->dn)));
+ }
+ acct_flags |= ds_uf2acb(attr_flags);
+ }
+
+ return acct_flags;
+}
+
+NTSTATUS samdb_result_parameters(TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg,
+ const char *attr,
+ struct lsa_BinaryString *s)
+{
+ int i;
+ const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
+
+ ZERO_STRUCTP(s);
+
+ if (!val) {
+ return NT_STATUS_OK;
+ }
+
+ if ((val->length % 2) != 0) {
+ /*
+ * If the on-disk data is not even in length, we know
+ * it is corrupt, and can not be safely pushed. We
+ * would either truncate, send either a un-initilaised
+ * byte or send a forced zero byte
+ */
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ s->array = talloc_array(mem_ctx, uint16_t, val->length/2);
+ if (!s->array) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ s->length = s->size = val->length;
+
+ /* The on-disk format is the 'network' format, being UTF16LE (sort of) */
+ for (i = 0; i < s->length / 2; i++) {
+ s->array[i] = SVAL(val->data, i * 2);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/* Find an attribute, with a particular value */
+
+/* The current callers of this function expect a very specific
+ * behaviour: In particular, objectClass subclass equivalence is not
+ * wanted. This means that we should not lookup the schema for the
+ * comparison function */
+struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
+ const struct ldb_message *msg,
+ const char *name, const char *value)
+{
+ unsigned int i;
+ struct ldb_message_element *el = ldb_msg_find_element(msg, name);
+
+ if (!el) {
+ return NULL;
+ }
+
+ for (i=0;i<el->num_values;i++) {
+ if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
+ return el;
+ }
+ }
+
+ return NULL;
+}
+
+static int samdb_find_or_add_attribute_ex(struct ldb_context *ldb,
+ struct ldb_message *msg,
+ const char *name,
+ const char *set_value,
+ unsigned attr_flags,
+ bool *added)
+{
+ int ret;
+ struct ldb_message_element *el;
+
+ SMB_ASSERT(attr_flags != 0);
+
+ el = ldb_msg_find_element(msg, name);
+ if (el) {
+ if (added != NULL) {
+ *added = false;
+ }
+
+ return LDB_SUCCESS;
+ }
+
+ ret = ldb_msg_add_empty(msg, name,
+ attr_flags,
+ &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (set_value != NULL) {
+ ret = ldb_msg_add_string(msg, name, set_value);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (added != NULL) {
+ *added = true;
+ }
+ return LDB_SUCCESS;
+}
+
+int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
+{
+ return samdb_find_or_add_attribute_ex(ldb, msg, name, set_value, LDB_FLAG_MOD_ADD, NULL);
+}
+
+/*
+ add a dom_sid element to a message
+*/
+int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, const struct dom_sid *sid)
+{
+ struct ldb_val v;
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_push_struct_blob(&v, mem_ctx,
+ sid,
+ (ndr_push_flags_fn_t)ndr_push_dom_sid);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return ldb_operr(sam_ldb);
+ }
+ return ldb_msg_add_value(msg, attr_name, &v, NULL);
+}
+
+
+/*
+ add a delete element operation to a message
+*/
+int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name)
+{
+ /* we use an empty replace rather than a delete, as it allows for
+ dsdb_replace() to be used everywhere */
+ return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
+}
+
+/*
+ add an add attribute value to a message or enhance an existing attribute
+ which has the same name and the add flag set.
+*/
+int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg, const char *attr_name,
+ const char *value)
+{
+ struct ldb_message_element *el;
+ struct ldb_val val;
+ char *v;
+ unsigned int i;
+ bool found = false;
+ int ret;
+
+ v = talloc_strdup(mem_ctx, value);
+ if (v == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+
+ val.data = (uint8_t *) v;
+ val.length = strlen(v);
+
+ if (val.length == 0) {
+ /* allow empty strings as non-existent attributes */
+ return LDB_SUCCESS;
+ }
+
+ for (i = 0; i < msg->num_elements; i++) {
+ el = &msg->elements[i];
+ if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
+ (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_ADD)) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_ADD,
+ &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ ret = ldb_msg_element_add_value(msg->elements, el, &val);
+ if (ret != LDB_SUCCESS) {
+ return ldb_oom(sam_ldb);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/*
+ add a delete attribute value to a message or enhance an existing attribute
+ which has the same name and the delete flag set.
+*/
+int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg, const char *attr_name,
+ const char *value)
+{
+ struct ldb_message_element *el;
+ struct ldb_val val;
+ char *v;
+ unsigned int i;
+ bool found = false;
+ int ret;
+
+ v = talloc_strdup(mem_ctx, value);
+ if (v == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+
+ val.data = (uint8_t *) v;
+ val.length = strlen(v);
+
+ if (val.length == 0) {
+ /* allow empty strings as non-existent attributes */
+ return LDB_SUCCESS;
+ }
+
+ for (i = 0; i < msg->num_elements; i++) {
+ el = &msg->elements[i];
+ if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
+ (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_DELETE,
+ &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ ret = ldb_msg_element_add_value(msg->elements, el, &val);
+ if (ret != LDB_SUCCESS) {
+ return ldb_oom(sam_ldb);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/*
+ add a int element to a message
+*/
+int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, int v)
+{
+ const char *s = talloc_asprintf(mem_ctx, "%d", v);
+ if (s == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+ return ldb_msg_add_string(msg, attr_name, s);
+}
+
+int samdb_msg_add_int_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, int v, int flags)
+{
+ const char *s = talloc_asprintf(mem_ctx, "%d", v);
+ if (s == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+ return ldb_msg_add_string_flags(msg, attr_name, s, flags);
+}
+
+/*
+ * Add an unsigned int element to a message
+ *
+ * The issue here is that we have not yet first cast to int32_t explicitly,
+ * before we cast to an signed int to printf() into the %d or cast to a
+ * int64_t before we then cast to a long long to printf into a %lld.
+ *
+ * There are *no* unsigned integers in Active Directory LDAP, even the RID
+ * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
+ * (See the schema, and the syntax definitions in schema_syntax.c).
+ *
+ */
+int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, unsigned int v)
+{
+ return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, (int)v);
+}
+
+int samdb_msg_add_uint_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, unsigned int v, int flags)
+{
+ return samdb_msg_add_int_flags(sam_ldb, mem_ctx, msg, attr_name, (int)v, flags);
+}
+
+/*
+ add a (signed) int64_t element to a message
+*/
+int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, int64_t v)
+{
+ const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
+ if (s == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+ return ldb_msg_add_string(msg, attr_name, s);
+}
+
+/*
+ * Add an unsigned int64_t (uint64_t) element to a message
+ *
+ * The issue here is that we have not yet first cast to int32_t explicitly,
+ * before we cast to an signed int to printf() into the %d or cast to a
+ * int64_t before we then cast to a long long to printf into a %lld.
+ *
+ * There are *no* unsigned integers in Active Directory LDAP, even the RID
+ * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
+ * (See the schema, and the syntax definitions in schema_syntax.c).
+ *
+ */
+int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, uint64_t v)
+{
+ return samdb_msg_add_int64(sam_ldb, mem_ctx, msg, attr_name, (int64_t)v);
+}
+
+/*
+ append a int element to a message
+*/
+int samdb_msg_append_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, int v, int flags)
+{
+ const char *s = talloc_asprintf(mem_ctx, "%d", v);
+ if (s == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+ return ldb_msg_append_string(msg, attr_name, s, flags);
+}
+
+/*
+ * Append an unsigned int element to a message
+ *
+ * The issue here is that we have not yet first cast to int32_t explicitly,
+ * before we cast to an signed int to printf() into the %d or cast to a
+ * int64_t before we then cast to a long long to printf into a %lld.
+ *
+ * There are *no* unsigned integers in Active Directory LDAP, even the RID
+ * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
+ * (See the schema, and the syntax definitions in schema_syntax.c).
+ *
+ */
+int samdb_msg_append_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, unsigned int v, int flags)
+{
+ return samdb_msg_append_int(sam_ldb, mem_ctx, msg, attr_name, (int)v, flags);
+}
+
+/*
+ append a (signed) int64_t element to a message
+*/
+int samdb_msg_append_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, int64_t v, int flags)
+{
+ const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
+ if (s == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+ return ldb_msg_append_string(msg, attr_name, s, flags);
+}
+
+/*
+ * Append an unsigned int64_t (uint64_t) element to a message
+ *
+ * The issue here is that we have not yet first cast to int32_t explicitly,
+ * before we cast to an signed int to printf() into the %d or cast to a
+ * int64_t before we then cast to a long long to printf into a %lld.
+ *
+ * There are *no* unsigned integers in Active Directory LDAP, even the RID
+ * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
+ * (See the schema, and the syntax definitions in schema_syntax.c).
+ *
+ */
+int samdb_msg_append_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, uint64_t v, int flags)
+{
+ return samdb_msg_append_int64(sam_ldb, mem_ctx, msg, attr_name, (int64_t)v, flags);
+}
+
+/*
+ add a samr_Password element to a message
+*/
+int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, const struct samr_Password *hash)
+{
+ struct ldb_val val;
+ val.data = talloc_memdup(mem_ctx, hash->hash, 16);
+ if (!val.data) {
+ return ldb_oom(sam_ldb);
+ }
+ val.length = 16;
+ return ldb_msg_add_value(msg, attr_name, &val, NULL);
+}
+
+/*
+ add a samr_Password array to a message
+*/
+int samdb_msg_add_hashes(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, struct samr_Password *hashes,
+ unsigned int count)
+{
+ struct ldb_val val;
+ unsigned int i;
+ val.data = talloc_array_size(mem_ctx, 16, count);
+ val.length = count*16;
+ if (!val.data) {
+ return ldb_oom(ldb);
+ }
+ for (i=0;i<count;i++) {
+ memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
+ }
+ return ldb_msg_add_value(msg, attr_name, &val, NULL);
+}
+
+/*
+ add a acct_flags element to a message
+*/
+int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, uint32_t v)
+{
+ return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
+}
+
+/*
+ add a logon_hours element to a message
+*/
+int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, struct samr_LogonHours *hours)
+{
+ struct ldb_val val;
+ val.length = hours->units_per_week / 8;
+ val.data = hours->bits;
+ return ldb_msg_add_value(msg, attr_name, &val, NULL);
+}
+
+/*
+ add a parameters element to a message
+*/
+int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, struct lsa_BinaryString *parameters)
+{
+ int i;
+ struct ldb_val val;
+ if ((parameters->length % 2) != 0) {
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+
+ val.data = talloc_array(mem_ctx, uint8_t, parameters->length);
+ if (val.data == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ val.length = parameters->length;
+ for (i = 0; i < parameters->length / 2; i++) {
+ /*
+ * The on-disk format needs to be in the 'network'
+ * format, parmeters->array is a uint16_t array of
+ * length parameters->length / 2
+ */
+ SSVAL(val.data, i * 2, parameters->array[i]);
+ }
+ return ldb_msg_add_steal_value(msg, attr_name, &val);
+}
+
+/*
+ * Sets an unsigned int element in a message
+ *
+ * The issue here is that we have not yet first cast to int32_t explicitly,
+ * before we cast to an signed int to printf() into the %d or cast to a
+ * int64_t before we then cast to a long long to printf into a %lld.
+ *
+ * There are *no* unsigned integers in Active Directory LDAP, even the RID
+ * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
+ * (See the schema, and the syntax definitions in schema_syntax.c).
+ *
+ */
+int samdb_msg_set_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg, const char *attr_name,
+ unsigned int v)
+{
+ struct ldb_message_element *el;
+
+ el = ldb_msg_find_element(msg, attr_name);
+ if (el) {
+ el->num_values = 0;
+ }
+ return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, v);
+}
+
+/*
+ * Handle ldb_request in transaction
+ */
+int dsdb_autotransaction_request(struct ldb_context *sam_ldb,
+ struct ldb_request *req)
+{
+ int ret;
+
+ ret = ldb_transaction_start(sam_ldb);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = ldb_request(sam_ldb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ if (ret == LDB_SUCCESS) {
+ return ldb_transaction_commit(sam_ldb);
+ }
+ ldb_transaction_cancel(sam_ldb);
+
+ return ret;
+}
+
+/*
+ return a default security descriptor
+*/
+struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
+{
+ struct security_descriptor *sd;
+
+ sd = security_descriptor_initialise(mem_ctx);
+
+ return sd;
+}
+
+struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
+ struct ldb_dn *aggregate_dn;
+ if (!schema_dn) {
+ return NULL;
+ }
+
+ aggregate_dn = ldb_dn_copy(mem_ctx, schema_dn);
+ if (!aggregate_dn) {
+ return NULL;
+ }
+ if (!ldb_dn_add_child_fmt(aggregate_dn, "CN=Aggregate")) {
+ return NULL;
+ }
+ return aggregate_dn;
+}
+
+struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *new_dn;
+
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
+ if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
+ talloc_free(new_dn);
+ return NULL;
+ }
+ return new_dn;
+}
+
+struct ldb_dn *samdb_infrastructure_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *new_dn;
+
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
+ if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Infrastructure")) {
+ talloc_free(new_dn);
+ return NULL;
+ }
+ return new_dn;
+}
+
+struct ldb_dn *samdb_system_container_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *new_dn = NULL;
+ bool ok;
+
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
+ if (new_dn == NULL) {
+ return NULL;
+ }
+
+ ok = ldb_dn_add_child_fmt(new_dn, "CN=System");
+ if (!ok) {
+ TALLOC_FREE(new_dn);
+ return NULL;
+ }
+
+ return new_dn;
+}
+
+struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *new_dn;
+
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
+ if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
+ talloc_free(new_dn);
+ return NULL;
+ }
+ return new_dn;
+}
+
+struct ldb_dn *samdb_extended_rights_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *new_dn;
+
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
+ if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Extended-Rights")) {
+ talloc_free(new_dn);
+ return NULL;
+ }
+ return new_dn;
+}
+/*
+ work out the domain sid for the current open ldb
+*/
+const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
+{
+ TALLOC_CTX *tmp_ctx;
+ const struct dom_sid *domain_sid;
+ const char *attrs[] = {
+ "objectSid",
+ NULL
+ };
+ struct ldb_result *res;
+ int ret;
+
+ /* see if we have a cached copy */
+ domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
+ if (domain_sid) {
+ return domain_sid;
+ }
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
+
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ if (res->count != 1) {
+ goto failed;
+ }
+
+ domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
+ if (domain_sid == NULL) {
+ goto failed;
+ }
+
+ /* cache the domain_sid in the ldb */
+ if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_steal(ldb, domain_sid);
+ talloc_free(tmp_ctx);
+
+ return domain_sid;
+
+failed:
+ talloc_free(tmp_ctx);
+ return NULL;
+}
+
+/*
+ get domain sid from cache
+*/
+const struct dom_sid *samdb_domain_sid_cache_only(struct ldb_context *ldb)
+{
+ return (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
+}
+
+bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct dom_sid *dom_sid_new;
+ struct dom_sid *dom_sid_old;
+
+ /* see if we have a cached copy */
+ dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
+ "cache.domain_sid"), struct dom_sid);
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
+ if (!dom_sid_new) {
+ goto failed;
+ }
+
+ /* cache the domain_sid in the ldb */
+ if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_steal(ldb, dom_sid_new);
+ talloc_free(tmp_ctx);
+ talloc_free(dom_sid_old);
+
+ return true;
+
+failed:
+ DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
+ talloc_free(tmp_ctx);
+ return false;
+}
+
+/*
+ work out the domain guid for the current open ldb
+*/
+const struct GUID *samdb_domain_guid(struct ldb_context *ldb)
+{
+ TALLOC_CTX *tmp_ctx = NULL;
+ struct GUID *domain_guid = NULL;
+ const char *attrs[] = {
+ "objectGUID",
+ NULL
+ };
+ struct ldb_result *res = NULL;
+ int ret;
+
+ /* see if we have a cached copy */
+ domain_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.domain_guid");
+ if (domain_guid) {
+ return domain_guid;
+ }
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectGUID=*");
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ if (res->count != 1) {
+ goto failed;
+ }
+
+ domain_guid = talloc(tmp_ctx, struct GUID);
+ if (domain_guid == NULL) {
+ goto failed;
+ }
+ *domain_guid = samdb_result_guid(res->msgs[0], "objectGUID");
+
+ /* cache the domain_sid in the ldb */
+ if (ldb_set_opaque(ldb, "cache.domain_guid", domain_guid) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_steal(ldb, domain_guid);
+ talloc_free(tmp_ctx);
+
+ return domain_guid;
+
+failed:
+ talloc_free(tmp_ctx);
+ return NULL;
+}
+
+bool samdb_set_ntds_settings_dn(struct ldb_context *ldb, struct ldb_dn *ntds_settings_dn_in)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_dn *ntds_settings_dn_new;
+ struct ldb_dn *ntds_settings_dn_old;
+
+ /* see if we have a forced copy from provision */
+ ntds_settings_dn_old = talloc_get_type(ldb_get_opaque(ldb,
+ "forced.ntds_settings_dn"), struct ldb_dn);
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ntds_settings_dn_new = ldb_dn_copy(tmp_ctx, ntds_settings_dn_in);
+ if (!ntds_settings_dn_new) {
+ goto failed;
+ }
+
+ /* set the DN in the ldb to avoid lookups during provision */
+ if (ldb_set_opaque(ldb, "forced.ntds_settings_dn", ntds_settings_dn_new) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_steal(ldb, ntds_settings_dn_new);
+ talloc_free(tmp_ctx);
+ talloc_free(ntds_settings_dn_old);
+
+ return true;
+
+failed:
+ DEBUG(1,("Failed to set our NTDS Settings DN in the ldb!\n"));
+ talloc_free(tmp_ctx);
+ return false;
+}
+
+/*
+ work out the ntds settings dn for the current open ldb
+*/
+struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+{
+ TALLOC_CTX *tmp_ctx;
+ const char *root_attrs[] = { "dsServiceName", NULL };
+ int ret;
+ struct ldb_result *root_res;
+ struct ldb_dn *settings_dn;
+
+ /* see if we have a cached copy */
+ settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "forced.ntds_settings_dn");
+ if (settings_dn) {
+ return ldb_dn_copy(mem_ctx, settings_dn);
+ }
+
+ tmp_ctx = talloc_new(mem_ctx);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
+ ldb_errstring(ldb)));
+ goto failed;
+ }
+
+ if (root_res->count != 1) {
+ goto failed;
+ }
+
+ settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
+
+ /* note that we do not cache the DN here, as that would mean
+ * we could not handle server renames at runtime. Only
+ * provision sets up forced.ntds_settings_dn */
+
+ talloc_steal(mem_ctx, settings_dn);
+ talloc_free(tmp_ctx);
+
+ return settings_dn;
+
+failed:
+ DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
+ talloc_free(tmp_ctx);
+ return NULL;
+}
+
+/*
+ work out the ntds settings invocationID/objectGUID for the current open ldb
+*/
+static const struct GUID *samdb_ntds_GUID(struct ldb_context *ldb,
+ const char *attribute,
+ const char *cache_name)
+{
+ TALLOC_CTX *tmp_ctx;
+ const char *attrs[] = { attribute, NULL };
+ int ret;
+ struct ldb_result *res;
+ struct GUID *ntds_guid;
+ struct ldb_dn *ntds_settings_dn = NULL;
+ const char *errstr = NULL;
+
+ /* see if we have a cached copy */
+ ntds_guid = (struct GUID *)ldb_get_opaque(ldb, cache_name);
+ if (ntds_guid != NULL) {
+ return ntds_guid;
+ }
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ntds_settings_dn = samdb_ntds_settings_dn(ldb, tmp_ctx);
+ if (ntds_settings_dn == NULL) {
+ errstr = "samdb_ntds_settings_dn() returned NULL";
+ goto failed;
+ }
+
+ ret = ldb_search(ldb, tmp_ctx, &res, ntds_settings_dn,
+ LDB_SCOPE_BASE, attrs, NULL);
+ if (ret) {
+ errstr = ldb_errstring(ldb);
+ goto failed;
+ }
+
+ if (res->count != 1) {
+ errstr = "incorrect number of results from base search";
+ goto failed;
+ }
+
+ ntds_guid = talloc(tmp_ctx, struct GUID);
+ if (ntds_guid == NULL) {
+ goto failed;
+ }
+
+ *ntds_guid = samdb_result_guid(res->msgs[0], attribute);
+
+ if (GUID_all_zero(ntds_guid)) {
+ if (ldb_msg_find_ldb_val(res->msgs[0], attribute)) {
+ errstr = "failed to find the GUID attribute";
+ } else {
+ errstr = "failed to parse the GUID";
+ }
+ goto failed;
+ }
+
+ /* cache the domain_sid in the ldb */
+ if (ldb_set_opaque(ldb, cache_name, ntds_guid) != LDB_SUCCESS) {
+ errstr = "ldb_set_opaque() failed";
+ goto failed;
+ }
+
+ talloc_steal(ldb, ntds_guid);
+ talloc_free(tmp_ctx);
+
+ return ntds_guid;
+
+failed:
+ DBG_WARNING("Failed to find our own NTDS Settings %s in the ldb: %s!\n",
+ attribute, errstr);
+ talloc_free(tmp_ctx);
+ return NULL;
+}
+
+/*
+ work out the ntds settings objectGUID for the current open ldb
+*/
+const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
+{
+ return samdb_ntds_GUID(ldb, "objectGUID", "cache.ntds_guid");
+}
+
+/*
+ work out the ntds settings invocationId for the current open ldb
+*/
+const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
+{
+ return samdb_ntds_GUID(ldb, "invocationId", "cache.invocation_id");
+}
+
+static bool samdb_set_ntds_GUID(struct ldb_context *ldb,
+ const struct GUID *ntds_guid_in,
+ const char *attribute,
+ const char *cache_name)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct GUID *ntds_guid_new;
+ struct GUID *ntds_guid_old;
+
+ /* see if we have a cached copy */
+ ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, cache_name);
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ntds_guid_new = talloc(tmp_ctx, struct GUID);
+ if (!ntds_guid_new) {
+ goto failed;
+ }
+
+ *ntds_guid_new = *ntds_guid_in;
+
+ /* cache the domain_sid in the ldb */
+ if (ldb_set_opaque(ldb, cache_name, ntds_guid_new) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_steal(ldb, ntds_guid_new);
+ talloc_free(tmp_ctx);
+ talloc_free(ntds_guid_old);
+
+ return true;
+
+failed:
+ DBG_WARNING("Failed to set our own cached %s in the ldb!\n",
+ attribute);
+ talloc_free(tmp_ctx);
+ return false;
+}
+
+bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
+{
+ return samdb_set_ntds_GUID(ldb,
+ ntds_guid_in,
+ "objectGUID",
+ "cache.ntds_guid");
+}
+
+bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
+{
+ return samdb_set_ntds_GUID(ldb,
+ invocation_id_in,
+ "invocationId",
+ "cache.invocation_id");
+}
+
+/*
+ work out the server dn for the current open ldb
+*/
+struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ struct ldb_dn *dn;
+ if (!tmp_ctx) {
+ return NULL;
+ }
+ dn = ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb, tmp_ctx));
+ talloc_free(tmp_ctx);
+ return dn;
+
+}
+
+/*
+ work out the server dn for the current open ldb
+*/
+struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *server_dn;
+ struct ldb_dn *servers_dn;
+ struct ldb_dn *server_site_dn;
+
+ /* TODO: there must be a saner way to do this!! */
+ server_dn = samdb_server_dn(ldb, mem_ctx);
+ if (!server_dn) return NULL;
+
+ servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
+ talloc_free(server_dn);
+ if (!servers_dn) return NULL;
+
+ server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
+ talloc_free(servers_dn);
+
+ return server_site_dn;
+}
+
+/*
+ find the site name from a computers DN record
+ */
+int samdb_find_site_for_computer(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
+ const char **site_name)
+{
+ int ret;
+ struct ldb_dn *dn;
+ const struct ldb_val *rdn_val;
+
+ *site_name = NULL;
+
+ ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (!ldb_dn_remove_child_components(dn, 2)) {
+ talloc_free(dn);
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ rdn_val = ldb_dn_get_rdn_val(dn);
+ if (rdn_val == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ (*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
+ talloc_free(dn);
+ if (!*site_name) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ return LDB_SUCCESS;
+}
+
+/*
+ find the NTDS GUID from a computers DN record
+ */
+int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
+ struct GUID *ntds_guid)
+{
+ int ret;
+ struct ldb_dn *dn;
+
+ *ntds_guid = GUID_zero();
+
+ ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
+ talloc_free(dn);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
+ talloc_free(dn);
+ return ret;
+}
+
+/*
+ find a 'reference' DN that points at another object
+ (eg. serverReference, rIDManagerReference etc)
+ */
+int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
+ const char *attribute, struct ldb_dn **dn)
+{
+ const char *attrs[2];
+ struct ldb_result *res;
+ int ret;
+
+ attrs[0] = attribute;
+ attrs[1] = NULL;
+
+ ret = dsdb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, DSDB_SEARCH_ONE_ONLY|DSDB_SEARCH_SHOW_EXTENDED_DN, NULL);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "Cannot find DN %s to get attribute %s for reference dn: %s",
+ ldb_dn_get_linearized(base), attribute, ldb_errstring(ldb));
+ return ret;
+ }
+
+ *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
+ if (!*dn) {
+ if (!ldb_msg_find_element(res->msgs[0], attribute)) {
+ ldb_asprintf_errstring(ldb, "Cannot find attribute %s of %s to calculate reference dn", attribute,
+ ldb_dn_get_linearized(base));
+ } else {
+ ldb_asprintf_errstring(ldb, "Cannot interpret attribute %s of %s as a dn", attribute,
+ ldb_dn_get_linearized(base));
+ }
+ talloc_free(res);
+ return LDB_ERR_NO_SUCH_ATTRIBUTE;
+ }
+
+ talloc_free(res);
+ return LDB_SUCCESS;
+}
+
+/*
+ find if a DN (must have GUID component!) is our ntdsDsa
+ */
+int samdb_dn_is_our_ntdsa(struct ldb_context *ldb, struct ldb_dn *dn, bool *is_ntdsa)
+{
+ NTSTATUS status;
+ struct GUID dn_guid;
+ const struct GUID *our_ntds_guid;
+ status = dsdb_get_extended_dn_guid(dn, &dn_guid, "GUID");
+ if (!NT_STATUS_IS_OK(status)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ our_ntds_guid = samdb_ntds_objectGUID(ldb);
+ if (!our_ntds_guid) {
+ DEBUG(0, ("Failed to find our NTDS Settings GUID for comparison with %s - %s\n", ldb_dn_get_linearized(dn), ldb_errstring(ldb)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *is_ntdsa = GUID_equal(&dn_guid, our_ntds_guid);
+ return LDB_SUCCESS;
+}
+
+/*
+ find a 'reference' DN that points at another object and indicate if it is our ntdsDsa
+ */
+int samdb_reference_dn_is_our_ntdsa(struct ldb_context *ldb, struct ldb_dn *base,
+ const char *attribute, bool *is_ntdsa)
+{
+ int ret;
+ struct ldb_dn *referenced_dn;
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = samdb_reference_dn(ldb, tmp_ctx, base, attribute, &referenced_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Failed to find object %s for attribute %s - %s\n", ldb_dn_get_linearized(base), attribute, ldb_errstring(ldb)));
+ return ret;
+ }
+
+ ret = samdb_dn_is_our_ntdsa(ldb, referenced_dn, is_ntdsa);
+
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+/*
+ find our machine account via the serverReference attribute in the
+ server DN
+ */
+int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
+{
+ struct ldb_dn *server_dn;
+ int ret;
+
+ server_dn = samdb_server_dn(ldb, mem_ctx);
+ if (server_dn == NULL) {
+ return ldb_error(ldb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+ }
+
+ ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
+ talloc_free(server_dn);
+
+ return ret;
+}
+
+/*
+ find the RID Manager$ DN via the rIDManagerReference attribute in the
+ base DN
+ */
+int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
+{
+ return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
+ "rIDManagerReference", dn);
+}
+
+/*
+ find the RID Set DN via the rIDSetReferences attribute in our
+ machine account DN
+ */
+int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
+{
+ struct ldb_dn *server_ref_dn = NULL;
+ int ret;
+
+ ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
+ talloc_free(server_ref_dn);
+ return ret;
+}
+
+const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+{
+ const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
+ mem_ctx));
+
+ if (val == NULL) {
+ return NULL;
+ }
+
+ return (const char *) val->data;
+}
+
+/*
+ * Finds the client site by using the client's IP address.
+ * The "subnet_name" returns the name of the subnet if parameter != NULL
+ *
+ * Has a Windows-based fallback to provide the only site available, or an empty
+ * string if there are multiple sites.
+ */
+const char *samdb_client_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
+ const char *ip_address, char **subnet_name,
+ bool fallback)
+{
+ const char *attrs[] = { "cn", "siteObject", NULL };
+ struct ldb_dn *sites_container_dn = NULL;
+ struct ldb_dn *subnets_dn = NULL;
+ struct ldb_dn *sites_dn = NULL;
+ struct ldb_result *res = NULL;
+ const struct ldb_val *val = NULL;
+ const char *site_name = NULL;
+ const char *l_subnet_name = NULL;
+ const char *allow_list[2] = { NULL, NULL };
+ unsigned int i, count;
+ int ret;
+
+ /*
+ * if we don't have a client ip e.g. ncalrpc
+ * the server site is the client site
+ */
+ if (ip_address == NULL) {
+ return samdb_server_site_name(ldb, mem_ctx);
+ }
+
+ sites_container_dn = samdb_sites_dn(ldb, mem_ctx);
+ if (sites_container_dn == NULL) {
+ goto exit;
+ }
+
+ subnets_dn = ldb_dn_copy(mem_ctx, sites_container_dn);
+ if ( ! ldb_dn_add_child_fmt(subnets_dn, "CN=Subnets")) {
+ goto exit;
+ }
+
+ ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
+ attrs, NULL);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ count = 0;
+ } else if (ret != LDB_SUCCESS) {
+ goto exit;
+ } else {
+ count = res->count;
+ }
+
+ for (i = 0; i < count; i++) {
+ l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
+ NULL);
+
+ allow_list[0] = l_subnet_name;
+
+ if (allow_access_nolog(NULL, allow_list, "", ip_address)) {
+ sites_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx,
+ res->msgs[i],
+ "siteObject");
+ if (sites_dn == NULL) {
+ /* No reference, maybe another subnet matches */
+ continue;
+ }
+
+ /* "val" cannot be NULL here since "sites_dn" != NULL */
+ val = ldb_dn_get_rdn_val(sites_dn);
+ site_name = talloc_strdup(mem_ctx,
+ (const char *) val->data);
+
+ TALLOC_FREE(sites_dn);
+
+ break;
+ }
+ }
+
+ if (site_name == NULL && fallback) {
+ /* This is the Windows Server fallback rule: when no subnet
+ * exists and we have only one site available then use it (it
+ * is for sure the same as our server site). If more sites do
+ * exist then we don't know which one to use and set the site
+ * name to "". */
+ size_t cnt = 0;
+ ret = dsdb_domain_count(
+ ldb,
+ &cnt,
+ sites_container_dn,
+ NULL,
+ LDB_SCOPE_SUBTREE,
+ "(objectClass=site)");
+ if (ret != LDB_SUCCESS) {
+ goto exit;
+ }
+ if (cnt == 1) {
+ site_name = samdb_server_site_name(ldb, mem_ctx);
+ } else {
+ site_name = talloc_strdup(mem_ctx, "");
+ }
+ l_subnet_name = NULL;
+ }
+
+ if (subnet_name != NULL) {
+ *subnet_name = talloc_strdup(mem_ctx, l_subnet_name);
+ }
+
+exit:
+ TALLOC_FREE(sites_container_dn);
+ TALLOC_FREE(subnets_dn);
+ TALLOC_FREE(res);
+
+ return site_name;
+}
+
+/*
+ work out if we are the PDC for the domain of the current open ldb
+*/
+bool samdb_is_pdc(struct ldb_context *ldb)
+{
+ int ret;
+ bool is_pdc;
+
+ ret = samdb_reference_dn_is_our_ntdsa(ldb, ldb_get_default_basedn(ldb), "fsmoRoleOwner",
+ &is_pdc);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1,("Failed to find if we are the PDC for this ldb: Searching for fSMORoleOwner in %s failed: %s\n",
+ ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
+ ldb_errstring(ldb)));
+ return false;
+ }
+
+ return is_pdc;
+}
+
+/*
+ work out if we are a Global Catalog server for the domain of the current open ldb
+*/
+bool samdb_is_gc(struct ldb_context *ldb)
+{
+ uint32_t options = 0;
+ if (samdb_ntds_options(ldb, &options) != LDB_SUCCESS) {
+ return false;
+ }
+ return (options & DS_NTDSDSA_OPT_IS_GC) != 0;
+}
+
+/* Find a domain object in the parents of a particular DN. */
+int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
+ struct ldb_dn **parent_dn, const char **errstring)
+{
+ TALLOC_CTX *local_ctx;
+ struct ldb_dn *sdn = dn;
+ struct ldb_result *res = NULL;
+ int ret = LDB_SUCCESS;
+ const char *attrs[] = { NULL };
+
+ local_ctx = talloc_new(mem_ctx);
+ if (local_ctx == NULL) return ldb_oom(ldb);
+
+ while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
+ ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
+ "(|(objectClass=domain)(objectClass=builtinDomain))");
+ if (ret == LDB_SUCCESS) {
+ if (res->count == 1) {
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+
+ if (ret != LDB_SUCCESS) {
+ *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
+ ldb_dn_get_linearized(dn),
+ ldb_dn_get_linearized(sdn),
+ ldb_errstring(ldb));
+ talloc_free(local_ctx);
+ return ret;
+ }
+ /* should never be true with 'ret=LDB_SUCCESS', here to satisfy clang */
+ if (res == NULL) {
+ talloc_free(local_ctx);
+ return LDB_ERR_OTHER;
+ }
+ if (res->count != 1) {
+ *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
+ ldb_dn_get_linearized(dn));
+ DEBUG(0,(__location__ ": %s\n", *errstring));
+ talloc_free(local_ctx);
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
+ talloc_free(local_ctx);
+ return ret;
+}
+
+static void pwd_timeout_debug(struct tevent_context *unused1,
+ struct tevent_timer *unused2,
+ struct timeval unused3,
+ void *unused4)
+{
+ DEBUG(0, ("WARNING: check_password_complexity: password script "
+ "took more than 1 second to run\n"));
+}
+
+
+/*
+ * Performs checks on a user password (plaintext UNIX format - attribute
+ * "password"). The remaining parameters have to be extracted from the domain
+ * object in the AD.
+ *
+ * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
+ */
+enum samr_ValidationStatus samdb_check_password(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ const char *account_name,
+ const char *user_principal_name,
+ const char *full_name,
+ const DATA_BLOB *utf8_blob,
+ const uint32_t pwdProperties,
+ const uint32_t minPwdLength)
+{
+ const struct loadparm_substitution *lp_sub =
+ lpcfg_noop_substitution();
+ char *password_script = NULL;
+ const char *utf8_pw = (const char *)utf8_blob->data;
+
+ /*
+ * This looks strange because it is.
+ *
+ * The check for the number of characters in the password
+ * should clearly not be against the byte length, or else a
+ * single UTF8 character would count for more than one.
+ *
+ * We have chosen to use the number of 16-bit units that the
+ * password encodes to as the measure of length. This is not
+ * the same as the number of codepoints, if a password
+ * contains a character beyond the Basic Multilingual Plane
+ * (above 65535) it will count for more than one "character".
+ */
+
+ size_t password_characters_roughly = strlen_m(utf8_pw);
+
+ /* checks if the "minPwdLength" property is satisfied */
+ if (minPwdLength > password_characters_roughly) {
+ return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
+ }
+
+ /* We might not be asked to check the password complexity */
+ if (!(pwdProperties & DOMAIN_PASSWORD_COMPLEX)) {
+ return SAMR_VALIDATION_STATUS_SUCCESS;
+ }
+
+ if (password_characters_roughly == 0) {
+ return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
+ }
+
+ password_script = lpcfg_check_password_script(lp_ctx, lp_sub, mem_ctx);
+ if (password_script != NULL && *password_script != '\0') {
+ int check_ret = 0;
+ int error = 0;
+ ssize_t nwritten = 0;
+ struct tevent_context *event_ctx = NULL;
+ struct tevent_req *req = NULL;
+ int cps_stdin = -1;
+ const char * const cmd[4] = {
+ "/bin/sh", "-c",
+ password_script,
+ NULL
+ };
+
+ event_ctx = tevent_context_init(mem_ctx);
+ if (event_ctx == NULL) {
+ TALLOC_FREE(password_script);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+
+ /* Gives a warning after 1 second, terminates after 10 */
+ tevent_add_timer(event_ctx, event_ctx,
+ tevent_timeval_current_ofs(1, 0),
+ pwd_timeout_debug, NULL);
+
+ check_ret = setenv("SAMBA_CPS_ACCOUNT_NAME", account_name, 1);
+ if (check_ret != 0) {
+ TALLOC_FREE(password_script);
+ TALLOC_FREE(event_ctx);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+ if (user_principal_name != NULL) {
+ check_ret = setenv("SAMBA_CPS_USER_PRINCIPAL_NAME",
+ user_principal_name, 1);
+ } else {
+ unsetenv("SAMBA_CPS_USER_PRINCIPAL_NAME");
+ }
+ if (check_ret != 0) {
+ TALLOC_FREE(password_script);
+ TALLOC_FREE(event_ctx);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+ if (full_name != NULL) {
+ check_ret = setenv("SAMBA_CPS_FULL_NAME", full_name, 1);
+ } else {
+ unsetenv("SAMBA_CPS_FULL_NAME");
+ }
+ if (check_ret != 0) {
+ TALLOC_FREE(password_script);
+ TALLOC_FREE(event_ctx);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+
+ req = samba_runcmd_send(event_ctx, event_ctx,
+ tevent_timeval_current_ofs(10, 0),
+ 100, 100, cmd, NULL);
+ unsetenv("SAMBA_CPS_ACCOUNT_NAME");
+ unsetenv("SAMBA_CPS_USER_PRINCIPAL_NAME");
+ unsetenv("SAMBA_CPS_FULL_NAME");
+ if (req == NULL) {
+ TALLOC_FREE(password_script);
+ TALLOC_FREE(event_ctx);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+
+ cps_stdin = samba_runcmd_export_stdin(req);
+
+ nwritten = write_data(
+ cps_stdin, utf8_blob->data, utf8_blob->length);
+ if (nwritten == -1) {
+ close(cps_stdin);
+ TALLOC_FREE(password_script);
+ TALLOC_FREE(event_ctx);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+
+ close(cps_stdin);
+
+ if (!tevent_req_poll(req, event_ctx)) {
+ TALLOC_FREE(password_script);
+ TALLOC_FREE(event_ctx);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+
+ check_ret = samba_runcmd_recv(req, &error);
+ TALLOC_FREE(event_ctx);
+
+ if (error == ETIMEDOUT) {
+ DEBUG(0, ("check_password_complexity: check password script took too long!\n"));
+ TALLOC_FREE(password_script);
+ return SAMR_VALIDATION_STATUS_PASSWORD_FILTER_ERROR;
+ }
+ DEBUG(5,("check_password_complexity: check password script (%s) "
+ "returned [%d]\n", password_script, check_ret));
+
+ if (check_ret != 0) {
+ DEBUG(1,("check_password_complexity: "
+ "check password script said new password is not good "
+ "enough!\n"));
+ TALLOC_FREE(password_script);
+ return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
+ }
+
+ TALLOC_FREE(password_script);
+ return SAMR_VALIDATION_STATUS_SUCCESS;
+ }
+
+ TALLOC_FREE(password_script);
+
+ /*
+ * Here are the standard AD password quality rules, which we
+ * run after the script.
+ */
+
+ if (!check_password_quality(utf8_pw)) {
+ return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
+ }
+
+ return SAMR_VALIDATION_STATUS_SUCCESS;
+}
+
+/*
+ * Callback for "samdb_set_password" password change
+ */
+int samdb_set_password_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ int ret;
+
+ if (!ares) {
+ return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ if (ares->error != LDB_SUCCESS) {
+ ret = ares->error;
+ req->context = talloc_steal(req,
+ ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
+ talloc_free(ares);
+ return ldb_request_done(req, ret);
+ }
+
+ if (ares->type != LDB_REPLY_DONE) {
+ talloc_free(ares);
+ return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ req->context = talloc_steal(req,
+ ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
+ talloc_free(ares);
+ return ldb_request_done(req, LDB_SUCCESS);
+}
+
+/*
+ * Sets the user password using plaintext UTF16 (attribute "new_password") or
+ * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
+ * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
+ * user change or not. The "rejectReason" gives some more information if the
+ * change failed.
+ *
+ * Results: NT_STATUS_OK, NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
+ * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION,
+ * NT_STATUS_ACCESS_DENIED, NT_STATUS_ACCOUNT_LOCKED_OUT, NT_STATUS_NO_MEMORY
+ */
+static NTSTATUS samdb_set_password_internal(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
+ struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
+ const DATA_BLOB *new_password,
+ const struct samr_Password *ntNewHash,
+ enum dsdb_password_checked old_password_checked,
+ enum samPwdChangeReason *reject_reason,
+ struct samr_DomInfo1 **_dominfo,
+ bool permit_interdomain_trust)
+{
+ struct ldb_message *msg;
+ struct ldb_message_element *el;
+ struct ldb_request *req;
+ struct dsdb_control_password_change_status *pwd_stat = NULL;
+ int ret;
+ bool hash_values = false;
+ NTSTATUS status = NT_STATUS_OK;
+
+#define CHECK_RET(x) \
+ if (x != LDB_SUCCESS) { \
+ talloc_free(msg); \
+ return NT_STATUS_NO_MEMORY; \
+ }
+
+ msg = ldb_msg_new(mem_ctx);
+ if (msg == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ msg->dn = user_dn;
+ if ((new_password != NULL)
+ && ((ntNewHash == NULL))) {
+ /* we have the password as plaintext UTF16 */
+ CHECK_RET(ldb_msg_add_value(msg, "clearTextPassword",
+ new_password, NULL));
+ el = ldb_msg_find_element(msg, "clearTextPassword");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+ } else if ((new_password == NULL)
+ && ((ntNewHash != NULL))) {
+ /* we have a password as NT hash */
+ if (ntNewHash != NULL) {
+ CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
+ "unicodePwd", ntNewHash));
+ el = ldb_msg_find_element(msg, "unicodePwd");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+ }
+ hash_values = true;
+ } else {
+ /* the password wasn't specified correctly */
+ talloc_free(msg);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* build modify request */
+ ret = ldb_build_mod_req(&req, ldb, mem_ctx, msg, NULL, NULL,
+ samdb_set_password_callback, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* A password change operation */
+ if (old_password_checked == DSDB_PASSWORD_CHECKED_AND_CORRECT) {
+ struct dsdb_control_password_change *change;
+
+ change = talloc(req, struct dsdb_control_password_change);
+ if (change == NULL) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ change->old_password_checked = old_password_checked;
+
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PASSWORD_CHANGE_OLD_PW_CHECKED_OID,
+ true, change);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (hash_values) {
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PASSWORD_HASH_VALUES_OID,
+ true, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (permit_interdomain_trust) {
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PERMIT_INTERDOMAIN_TRUST_UAC_OID,
+ false, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID,
+ true, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = ldb_request(ldb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ if (req->context != NULL) {
+ struct ldb_control *control = talloc_get_type_abort(req->context,
+ struct ldb_control);
+ pwd_stat = talloc_get_type_abort(control->data,
+ struct dsdb_control_password_change_status);
+ talloc_steal(mem_ctx, pwd_stat);
+ }
+
+ talloc_free(req);
+ talloc_free(msg);
+
+ /* Sets the domain info (if requested) */
+ if (_dominfo != NULL) {
+ struct samr_DomInfo1 *dominfo;
+
+ dominfo = talloc_zero(mem_ctx, struct samr_DomInfo1);
+ if (dominfo == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (pwd_stat != NULL) {
+ dominfo->min_password_length = pwd_stat->domain_data.minPwdLength;
+ dominfo->password_properties = pwd_stat->domain_data.pwdProperties;
+ dominfo->password_history_length = pwd_stat->domain_data.pwdHistoryLength;
+ dominfo->max_password_age = pwd_stat->domain_data.maxPwdAge;
+ dominfo->min_password_age = pwd_stat->domain_data.minPwdAge;
+ }
+
+ *_dominfo = dominfo;
+ }
+
+ if (reject_reason != NULL) {
+ if (pwd_stat != NULL) {
+ *reject_reason = pwd_stat->reject_reason;
+ } else {
+ *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
+ }
+ }
+
+ if (pwd_stat != NULL) {
+ talloc_free(pwd_stat);
+ }
+
+ if (ret == LDB_ERR_CONSTRAINT_VIOLATION) {
+ const char *errmsg = ldb_errstring(ldb);
+ char *endptr = NULL;
+ WERROR werr = WERR_GEN_FAILURE;
+ status = NT_STATUS_UNSUCCESSFUL;
+ if (errmsg != NULL) {
+ werr = W_ERROR(strtol(errmsg, &endptr, 16));
+ DBG_WARNING("%s\n", errmsg);
+ }
+ if (endptr != errmsg) {
+ if (W_ERROR_EQUAL(werr, WERR_INVALID_PASSWORD)) {
+ status = NT_STATUS_WRONG_PASSWORD;
+ }
+ if (W_ERROR_EQUAL(werr, WERR_PASSWORD_RESTRICTION)) {
+ status = NT_STATUS_PASSWORD_RESTRICTION;
+ }
+ if (W_ERROR_EQUAL(werr, WERR_ACCOUNT_LOCKED_OUT)) {
+ status = NT_STATUS_ACCOUNT_LOCKED_OUT;
+ }
+ }
+ } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ /* don't let the caller know if an account doesn't exist */
+ status = NT_STATUS_WRONG_PASSWORD;
+ } else if (ret == LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS) {
+ status = NT_STATUS_ACCESS_DENIED;
+ } else if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("Failed to set password on %s: %s\n",
+ ldb_dn_get_linearized(user_dn),
+ ldb_errstring(ldb)));
+ status = NT_STATUS_UNSUCCESSFUL;
+ }
+
+ return status;
+}
+
+NTSTATUS samdb_set_password(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
+ struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
+ const DATA_BLOB *new_password,
+ const struct samr_Password *ntNewHash,
+ enum dsdb_password_checked old_password_checked,
+ enum samPwdChangeReason *reject_reason,
+ struct samr_DomInfo1 **_dominfo)
+{
+ return samdb_set_password_internal(ldb, mem_ctx,
+ user_dn, domain_dn,
+ new_password,
+ ntNewHash,
+ old_password_checked,
+ reject_reason, _dominfo,
+ false); /* reject trusts */
+}
+
+/*
+ * Sets the user password using plaintext UTF16 (attribute "new_password") or
+ * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
+ * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
+ * user change or not. The "rejectReason" gives some more information if the
+ * change failed.
+ *
+ * This wrapper function for "samdb_set_password" takes a SID as input rather
+ * than a user DN.
+ *
+ * This call encapsulates a new LDB transaction for changing the password;
+ * therefore the user hasn't to start a new one.
+ *
+ * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
+ * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
+ * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION,
+ * NT_STATUS_ACCESS_DENIED, NT_STATUS_ACCOUNT_LOCKED_OUT, NT_STATUS_NO_MEMORY
+ * NT_STATUS_TRANSACTION_ABORTED, NT_STATUS_NO_SUCH_USER
+ */
+NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
+ const struct dom_sid *user_sid,
+ const uint32_t *new_version, /* optional for trusts */
+ const DATA_BLOB *new_password,
+ const struct samr_Password *ntNewHash,
+ enum dsdb_password_checked old_password_checked,
+ enum samPwdChangeReason *reject_reason,
+ struct samr_DomInfo1 **_dominfo)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ NTSTATUS nt_status;
+ const char * const user_attrs[] = {
+ "userAccountControl",
+ "sAMAccountName",
+ NULL
+ };
+ struct ldb_message *user_msg = NULL;
+ int ret;
+ uint32_t uac = 0;
+
+ ret = ldb_transaction_start(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_TRANSACTION_ABORTED;
+ }
+
+ ret = dsdb_search_one(ldb, frame, &user_msg, ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE, user_attrs, 0,
+ "(&(objectSid=%s)(objectClass=user))",
+ ldap_encode_ndr_dom_sid(frame, user_sid));
+ if (ret != LDB_SUCCESS) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(3, ("samdb_set_password_sid: SID[%s] not found in samdb %s - %s, "
+ "returning NO_SUCH_USER\n",
+ dom_sid_string(frame, user_sid),
+ ldb_strerror(ret), ldb_errstring(ldb)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ uac = ldb_msg_find_attr_as_uint(user_msg, "userAccountControl", 0);
+ if (!(uac & UF_ACCOUNT_TYPE_MASK)) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: invalid "
+ "userAccountControl[0x%08X] for SID[%s] DN[%s], "
+ "returning NO_SUCH_USER\n",
+ (unsigned)uac, dom_sid_string(frame, user_sid),
+ ldb_dn_get_linearized(user_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if (uac & UF_INTERDOMAIN_TRUST_ACCOUNT) {
+ const char * const tdo_attrs[] = {
+ "trustAuthIncoming",
+ "trustDirection",
+ NULL
+ };
+ struct ldb_message *tdo_msg = NULL;
+ const char *account_name = NULL;
+ uint32_t trust_direction;
+ uint32_t i;
+ const struct ldb_val *old_val = NULL;
+ struct trustAuthInOutBlob old_blob = {
+ .count = 0,
+ };
+ uint32_t old_version = 0;
+ struct AuthenticationInformation *old_version_a = NULL;
+ uint32_t _new_version = 0;
+ struct trustAuthInOutBlob new_blob = {
+ .count = 0,
+ };
+ struct ldb_val new_val = {
+ .length = 0,
+ };
+ struct timeval tv = timeval_current();
+ NTTIME now = timeval_to_nttime(&tv);
+ enum ndr_err_code ndr_err;
+
+ if (new_password == NULL && ntNewHash == NULL) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: "
+ "no new password provided "
+ "sAMAccountName for SID[%s] DN[%s], "
+ "returning INVALID_PARAMETER\n",
+ dom_sid_string(frame, user_sid),
+ ldb_dn_get_linearized(user_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (new_password != NULL && ntNewHash != NULL) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: "
+ "two new passwords provided "
+ "sAMAccountName for SID[%s] DN[%s], "
+ "returning INVALID_PARAMETER\n",
+ dom_sid_string(frame, user_sid),
+ ldb_dn_get_linearized(user_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (new_password != NULL && (new_password->length % 2)) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(2, ("samdb_set_password_sid: "
+ "invalid utf16 length (%zu) "
+ "sAMAccountName for SID[%s] DN[%s], "
+ "returning WRONG_PASSWORD\n",
+ new_password->length,
+ dom_sid_string(frame, user_sid),
+ ldb_dn_get_linearized(user_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_WRONG_PASSWORD;
+ }
+
+ if (new_password != NULL && new_password->length >= 500) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(2, ("samdb_set_password_sid: "
+ "utf16 password too long (%zu) "
+ "sAMAccountName for SID[%s] DN[%s], "
+ "returning WRONG_PASSWORD\n",
+ new_password->length,
+ dom_sid_string(frame, user_sid),
+ ldb_dn_get_linearized(user_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_WRONG_PASSWORD;
+ }
+
+ account_name = ldb_msg_find_attr_as_string(user_msg,
+ "sAMAccountName", NULL);
+ if (account_name == NULL) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: missing "
+ "sAMAccountName for SID[%s] DN[%s], "
+ "returning NO_SUCH_USER\n",
+ dom_sid_string(frame, user_sid),
+ ldb_dn_get_linearized(user_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ nt_status = dsdb_trust_search_tdo_by_type(ldb,
+ SEC_CHAN_DOMAIN,
+ account_name,
+ tdo_attrs,
+ frame, &tdo_msg);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: dsdb_trust_search_tdo "
+ "failed(%s) for sAMAccountName[%s] SID[%s] DN[%s], "
+ "returning INTERNAL_DB_CORRUPTION\n",
+ nt_errstr(nt_status), account_name,
+ dom_sid_string(frame, user_sid),
+ ldb_dn_get_linearized(user_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ trust_direction = ldb_msg_find_attr_as_int(tdo_msg,
+ "trustDirection", 0);
+ if (!(trust_direction & LSA_TRUST_DIRECTION_INBOUND)) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: direction[0x%08X] is "
+ "not inbound for sAMAccountName[%s] "
+ "DN[%s] TDO[%s], "
+ "returning INTERNAL_DB_CORRUPTION\n",
+ (unsigned)trust_direction,
+ account_name,
+ ldb_dn_get_linearized(user_msg->dn),
+ ldb_dn_get_linearized(tdo_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ old_val = ldb_msg_find_ldb_val(tdo_msg, "trustAuthIncoming");
+ if (old_val != NULL) {
+ ndr_err = ndr_pull_struct_blob(old_val, frame, &old_blob,
+ (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: "
+ "failed(%s) to parse "
+ "trustAuthOutgoing sAMAccountName[%s] "
+ "DN[%s] TDO[%s], "
+ "returning INTERNAL_DB_CORRUPTION\n",
+ ndr_map_error2string(ndr_err),
+ account_name,
+ ldb_dn_get_linearized(user_msg->dn),
+ ldb_dn_get_linearized(tdo_msg->dn)));
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ }
+
+ for (i = old_blob.current.count; i > 0; i--) {
+ struct AuthenticationInformation *a =
+ &old_blob.current.array[i - 1];
+
+ switch (a->AuthType) {
+ case TRUST_AUTH_TYPE_NONE:
+ if (i == old_blob.current.count) {
+ /*
+ * remove TRUST_AUTH_TYPE_NONE at the
+ * end
+ */
+ old_blob.current.count--;
+ }
+ break;
+
+ case TRUST_AUTH_TYPE_VERSION:
+ old_version_a = a;
+ old_version = a->AuthInfo.version.version;
+ break;
+
+ case TRUST_AUTH_TYPE_CLEAR:
+ break;
+
+ case TRUST_AUTH_TYPE_NT4OWF:
+ break;
+ }
+ }
+
+ if (new_version == NULL) {
+ _new_version = 0;
+ new_version = &_new_version;
+ }
+
+ if (old_version_a != NULL && *new_version != (old_version + 1)) {
+ old_version_a->LastUpdateTime = now;
+ old_version_a->AuthType = TRUST_AUTH_TYPE_NONE;
+ }
+
+ new_blob.count = MAX(old_blob.current.count, 2);
+ new_blob.current.array = talloc_zero_array(frame,
+ struct AuthenticationInformation,
+ new_blob.count);
+ if (new_blob.current.array == NULL) {
+ ldb_transaction_cancel(ldb);
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ new_blob.previous.array = talloc_zero_array(frame,
+ struct AuthenticationInformation,
+ new_blob.count);
+ if (new_blob.current.array == NULL) {
+ ldb_transaction_cancel(ldb);
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i = 0; i < old_blob.current.count; i++) {
+ struct AuthenticationInformation *o =
+ &old_blob.current.array[i];
+ struct AuthenticationInformation *p =
+ &new_blob.previous.array[i];
+
+ *p = *o;
+ new_blob.previous.count++;
+ }
+ for (; i < new_blob.count; i++) {
+ struct AuthenticationInformation *pi =
+ &new_blob.previous.array[i];
+
+ if (i == 0) {
+ /*
+ * new_blob.previous is still empty so
+ * we'll do new_blob.previous = new_blob.current
+ * below.
+ */
+ break;
+ }
+
+ pi->LastUpdateTime = now;
+ pi->AuthType = TRUST_AUTH_TYPE_NONE;
+ new_blob.previous.count++;
+ }
+
+ for (i = 0; i < new_blob.count; i++) {
+ struct AuthenticationInformation *ci =
+ &new_blob.current.array[i];
+
+ ci->LastUpdateTime = now;
+ switch (i) {
+ case 0:
+ if (ntNewHash != NULL) {
+ ci->AuthType = TRUST_AUTH_TYPE_NT4OWF;
+ ci->AuthInfo.nt4owf.password = *ntNewHash;
+ break;
+ }
+
+ ci->AuthType = TRUST_AUTH_TYPE_CLEAR;
+ ci->AuthInfo.clear.size = new_password->length;
+ ci->AuthInfo.clear.password = new_password->data;
+ break;
+ case 1:
+ ci->AuthType = TRUST_AUTH_TYPE_VERSION;
+ ci->AuthInfo.version.version = *new_version;
+ break;
+ default:
+ ci->AuthType = TRUST_AUTH_TYPE_NONE;
+ break;
+ }
+
+ new_blob.current.count++;
+ }
+
+ if (new_blob.previous.count == 0) {
+ TALLOC_FREE(new_blob.previous.array);
+ new_blob.previous = new_blob.current;
+ }
+
+ ndr_err = ndr_push_struct_blob(&new_val, frame, &new_blob,
+ (ndr_push_flags_fn_t)ndr_push_trustAuthInOutBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: "
+ "failed(%s) to generate "
+ "trustAuthOutgoing sAMAccountName[%s] "
+ "DN[%s] TDO[%s], "
+ "returning UNSUCCESSFUL\n",
+ ndr_map_error2string(ndr_err),
+ account_name,
+ ldb_dn_get_linearized(user_msg->dn),
+ ldb_dn_get_linearized(tdo_msg->dn)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ tdo_msg->num_elements = 0;
+ TALLOC_FREE(tdo_msg->elements);
+
+ ret = ldb_msg_append_value(tdo_msg, "trustAuthIncoming",
+ &new_val, LDB_FLAG_MOD_REPLACE);
+ if (ret != LDB_SUCCESS) {
+ ldb_transaction_cancel(ldb);
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = ldb_modify(ldb, tdo_msg);
+ if (ret != LDB_SUCCESS) {
+ nt_status = dsdb_ldb_err_to_ntstatus(ret);
+ ldb_transaction_cancel(ldb);
+ DEBUG(1, ("samdb_set_password_sid: "
+ "failed to replace "
+ "trustAuthOutgoing sAMAccountName[%s] "
+ "DN[%s] TDO[%s], "
+ "%s - %s\n",
+ account_name,
+ ldb_dn_get_linearized(user_msg->dn),
+ ldb_dn_get_linearized(tdo_msg->dn),
+ nt_errstr(nt_status), ldb_errstring(ldb)));
+ TALLOC_FREE(frame);
+ return nt_status;
+ }
+ }
+
+ nt_status = samdb_set_password_internal(ldb, mem_ctx,
+ user_msg->dn, NULL,
+ new_password,
+ ntNewHash,
+ old_password_checked,
+ reject_reason, _dominfo,
+ true); /* permit trusts */
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ ldb_transaction_cancel(ldb);
+ TALLOC_FREE(frame);
+ return nt_status;
+ }
+
+ ret = ldb_transaction_commit(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
+ ldb_dn_get_linearized(user_msg->dn),
+ ldb_errstring(ldb)));
+ TALLOC_FREE(frame);
+ return NT_STATUS_TRANSACTION_ABORTED;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+
+NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
+ struct dom_sid *sid, struct ldb_dn **ret_dn)
+{
+ struct ldb_message *msg;
+ struct ldb_dn *basedn = NULL;
+ char *sidstr;
+ int ret;
+
+ sidstr = dom_sid_string(mem_ctx, sid);
+ NT_STATUS_HAVE_NO_MEMORY(sidstr);
+
+ /* We might have to create a ForeignSecurityPrincipal, even if this user
+ * is in our own domain */
+
+ msg = ldb_msg_new(sidstr);
+ if (msg == NULL) {
+ talloc_free(sidstr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = dsdb_wellknown_dn(sam_ctx, sidstr,
+ ldb_get_default_basedn(sam_ctx),
+ DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
+ &basedn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Failed to find DN for "
+ "ForeignSecurityPrincipal container - %s\n", ldb_errstring(sam_ctx)));
+ talloc_free(sidstr);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ /* add core elements to the ldb_message for the alias */
+ msg->dn = basedn;
+ if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr)) {
+ talloc_free(sidstr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = ldb_msg_add_string(msg, "objectClass",
+ "foreignSecurityPrincipal");
+ if (ret != LDB_SUCCESS) {
+ talloc_free(sidstr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* create the alias */
+ ret = ldb_add(sam_ctx, msg);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,("Failed to create foreignSecurityPrincipal "
+ "record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(sam_ctx)));
+ talloc_free(sidstr);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ *ret_dn = talloc_steal(mem_ctx, msg->dn);
+ talloc_free(sidstr);
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ Find the DN of a domain, assuming it to be a dotted.dns name
+*/
+
+struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
+{
+ unsigned int i;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ const char *binary_encoded;
+ const char * const *split_realm;
+ struct ldb_dn *dn;
+
+ if (!tmp_ctx) {
+ return NULL;
+ }
+
+ split_realm = (const char * const *)str_list_make(tmp_ctx, dns_domain, ".");
+ if (!split_realm) {
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ dn = ldb_dn_new(mem_ctx, ldb, NULL);
+ for (i=0; split_realm[i]; i++) {
+ binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
+ if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
+ DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
+ binary_encoded, ldb_dn_get_linearized(dn)));
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ }
+ if (!ldb_dn_validate(dn)) {
+ DEBUG(2, ("Failed to validated DN %s\n",
+ ldb_dn_get_linearized(dn)));
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ talloc_free(tmp_ctx);
+ return dn;
+}
+
+
+/*
+ Find the DNS equivalent of a DN, in dotted DNS form
+*/
+char *samdb_dn_to_dns_domain(TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
+{
+ int i, num_components = ldb_dn_get_comp_num(dn);
+ char *dns_name = talloc_strdup(mem_ctx, "");
+ if (dns_name == NULL) {
+ return NULL;
+ }
+
+ for (i=0; i<num_components; i++) {
+ const struct ldb_val *v = ldb_dn_get_component_val(dn, i);
+ char *s;
+ if (v == NULL) {
+ talloc_free(dns_name);
+ return NULL;
+ }
+ s = talloc_asprintf_append_buffer(dns_name, "%*.*s.",
+ (int)v->length, (int)v->length, (char *)v->data);
+ if (s == NULL) {
+ talloc_free(dns_name);
+ return NULL;
+ }
+ dns_name = s;
+ }
+
+ /* remove the last '.' */
+ if (dns_name[0] != 0) {
+ dns_name[strlen(dns_name)-1] = 0;
+ }
+
+ return dns_name;
+}
+
+/*
+ Find the DNS _msdcs name for a given NTDS GUID. The resulting DNS
+ name is based on the forest DNS name
+*/
+char *samdb_ntds_msdcs_dns_name(struct ldb_context *samdb,
+ TALLOC_CTX *mem_ctx,
+ const struct GUID *ntds_guid)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ const char *guid_str;
+ struct ldb_dn *forest_dn;
+ const char *dnsforest;
+ char *ret;
+
+ guid_str = GUID_string(tmp_ctx, ntds_guid);
+ if (guid_str == NULL) {
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ forest_dn = ldb_get_root_basedn(samdb);
+ if (forest_dn == NULL) {
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ dnsforest = samdb_dn_to_dns_domain(tmp_ctx, forest_dn);
+ if (dnsforest == NULL) {
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ ret = talloc_asprintf(mem_ctx, "%s._msdcs.%s", guid_str, dnsforest);
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+
+/*
+ Find the DN of a domain, be it the netbios or DNS name
+*/
+struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
+ const char *domain_name)
+{
+ const char * const domain_ref_attrs[] = {
+ "ncName", NULL
+ };
+ const char * const domain_ref2_attrs[] = {
+ NULL
+ };
+ struct ldb_result *res_domain_ref;
+ char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
+ /* find the domain's DN */
+ int ret_domain = ldb_search(ldb, mem_ctx,
+ &res_domain_ref,
+ samdb_partitions_dn(ldb, mem_ctx),
+ LDB_SCOPE_ONELEVEL,
+ domain_ref_attrs,
+ "(&(nETBIOSName=%s)(objectclass=crossRef))",
+ escaped_domain);
+ if (ret_domain != LDB_SUCCESS) {
+ return NULL;
+ }
+
+ if (res_domain_ref->count == 0) {
+ ret_domain = ldb_search(ldb, mem_ctx,
+ &res_domain_ref,
+ samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
+ LDB_SCOPE_BASE,
+ domain_ref2_attrs,
+ "(objectclass=domain)");
+ if (ret_domain != LDB_SUCCESS) {
+ return NULL;
+ }
+
+ if (res_domain_ref->count == 1) {
+ return res_domain_ref->msgs[0]->dn;
+ }
+ return NULL;
+ }
+
+ if (res_domain_ref->count > 1) {
+ DEBUG(0,("Found %d records matching domain [%s]\n",
+ ret_domain, domain_name));
+ return NULL;
+ }
+
+ return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
+
+}
+
+
+/*
+ use a GUID to find a DN
+ */
+int dsdb_find_dn_by_guid(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const struct GUID *guid,
+ uint32_t dsdb_flags,
+ struct ldb_dn **dn)
+{
+ int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { NULL };
+ char *guid_str = GUID_string(mem_ctx, guid);
+
+ if (!guid_str) {
+ return ldb_operr(ldb);
+ }
+
+ ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
+ DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
+ DSDB_SEARCH_SHOW_EXTENDED_DN |
+ DSDB_SEARCH_ONE_ONLY | dsdb_flags,
+ "objectGUID=%s", guid_str);
+ talloc_free(guid_str);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
+ talloc_free(res);
+
+ return LDB_SUCCESS;
+}
+
+/*
+ use a DN to find a GUID with a given attribute name
+ */
+int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
+ struct ldb_dn *dn, const char *attribute,
+ struct GUID *guid)
+{
+ int ret;
+ struct ldb_result *res = NULL;
+ const char *attrs[2];
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+
+ attrs[0] = attribute;
+ attrs[1] = NULL;
+
+ ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
+ DSDB_SEARCH_SHOW_DELETED |
+ DSDB_SEARCH_SHOW_RECYCLED);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ /* satisfy clang */
+ if (res == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OTHER;
+ }
+ if (res->count < 1) {
+ talloc_free(tmp_ctx);
+ return ldb_error(ldb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+ }
+ *guid = samdb_result_guid(res->msgs[0], attribute);
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+/*
+ use a DN to find a GUID
+ */
+int dsdb_find_guid_by_dn(struct ldb_context *ldb,
+ struct ldb_dn *dn, struct GUID *guid)
+{
+ return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
+}
+
+
+
+/*
+ adds the given GUID to the given ldb_message. This value is added
+ for the given attr_name (may be either "objectGUID" or "parentGUID").
+ This function is used in processing 'add' requests.
+ */
+int dsdb_msg_add_guid(struct ldb_message *msg,
+ struct GUID *guid,
+ const char *attr_name)
+{
+ int ret;
+ struct ldb_val v;
+ NTSTATUS status;
+ TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
+
+ status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
+ if (!NT_STATUS_IS_OK(status)) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+
+ ret = ldb_msg_add_steal_value(msg, attr_name, &v);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(4,(__location__ ": Failed to add %s to the message\n",
+ attr_name));
+ goto done;
+ }
+
+ ret = LDB_SUCCESS;
+
+done:
+ talloc_free(tmp_ctx);
+ return ret;
+
+}
+
+
+/*
+ use a DN to find a SID
+ */
+int dsdb_find_sid_by_dn(struct ldb_context *ldb,
+ struct ldb_dn *dn, struct dom_sid *sid)
+{
+ int ret;
+ struct ldb_result *res = NULL;
+ const char *attrs[] = { "objectSid", NULL };
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ struct dom_sid *s;
+
+ ZERO_STRUCTP(sid);
+
+ ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
+ DSDB_SEARCH_SHOW_DELETED |
+ DSDB_SEARCH_SHOW_RECYCLED);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ if (res == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OTHER;
+ }
+ if (res->count < 1) {
+ talloc_free(tmp_ctx);
+ return ldb_error(ldb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+ }
+ s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
+ if (s == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_error(ldb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+ }
+ *sid = *s;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+/*
+ use a SID to find a DN
+ */
+int dsdb_find_dn_by_sid(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct dom_sid *sid, struct ldb_dn **dn)
+{
+ int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { NULL };
+ char *sid_str = ldap_encode_ndr_dom_sid(mem_ctx, sid);
+
+ if (!sid_str) {
+ return ldb_operr(ldb);
+ }
+
+ ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
+ DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
+ DSDB_SEARCH_SHOW_EXTENDED_DN |
+ DSDB_SEARCH_ONE_ONLY,
+ "objectSid=%s", sid_str);
+ talloc_free(sid_str);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
+ talloc_free(res);
+
+ return LDB_SUCCESS;
+}
+
+/*
+ load a repsFromTo blob list for a given partition GUID
+ attr must be "repsFrom" or "repsTo"
+ */
+WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
+ const char *attr, struct repsFromToBlob **r, uint32_t *count)
+{
+ const char *attrs[] = { attr, NULL };
+ struct ldb_result *res = NULL;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ unsigned int i;
+ struct ldb_message_element *el;
+ int ret;
+
+ *r = NULL;
+ *count = 0;
+
+ ret = dsdb_search_dn(sam_ctx, tmp_ctx, &res, dn, attrs, 0);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ /* partition hasn't been replicated yet */
+ return WERR_OK;
+ }
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,("dsdb_loadreps: failed to read partition object: %s\n", ldb_errstring(sam_ctx)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ /* satisfy clang */
+ if (res == NULL) {
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ el = ldb_msg_find_element(res->msgs[0], attr);
+ if (el == NULL) {
+ /* it's OK to be empty */
+ talloc_free(tmp_ctx);
+ return WERR_OK;
+ }
+
+ *count = el->num_values;
+ *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
+ if (*r == NULL) {
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ for (i=0; i<(*count); i++) {
+ enum ndr_err_code ndr_err;
+ ndr_err = ndr_pull_struct_blob(&el->values[i],
+ mem_ctx,
+ &(*r)[i],
+ (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ }
+
+ talloc_free(tmp_ctx);
+
+ return WERR_OK;
+}
+
+/*
+ save the repsFromTo blob list for a given partition GUID
+ attr must be "repsFrom" or "repsTo"
+ */
+WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
+ const char *attr, struct repsFromToBlob *r, uint32_t count)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ struct ldb_message *msg;
+ struct ldb_message_element *el;
+ unsigned int i;
+
+ msg = ldb_msg_new(tmp_ctx);
+ msg->dn = dn;
+ if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ el->values = talloc_array(msg, struct ldb_val, count);
+ if (!el->values) {
+ goto failed;
+ }
+
+ for (i=0; i<count; i++) {
+ struct ldb_val v;
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_push_struct_blob(&v, tmp_ctx,
+ &r[i],
+ (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ goto failed;
+ }
+
+ el->num_values++;
+ el->values[i] = v;
+ }
+
+ if (dsdb_modify(sam_ctx, msg, 0) != LDB_SUCCESS) {
+ DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
+ goto failed;
+ }
+
+ talloc_free(tmp_ctx);
+
+ return WERR_OK;
+
+failed:
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+}
+
+
+/*
+ load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
+ object for a partition
+ */
+int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
+ uint64_t *uSN, uint64_t *urgent_uSN)
+{
+ struct ldb_request *req;
+ int ret;
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ struct dsdb_control_current_partition *p_ctrl;
+ struct ldb_result *res;
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ ret = ldb_build_search_req(&req, ldb, tmp_ctx,
+ ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
+ LDB_SCOPE_BASE,
+ NULL, NULL,
+ NULL,
+ res, ldb_search_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ p_ctrl = talloc(req, struct dsdb_control_current_partition);
+ if (p_ctrl == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+ p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
+ p_ctrl->dn = dn;
+
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, p_ctrl);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ /* Run the new request */
+ ret = ldb_request(ldb, req);
+
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ if (ret == LDB_ERR_NO_SUCH_OBJECT || ret == LDB_ERR_INVALID_DN_SYNTAX) {
+ /* it hasn't been created yet, which means
+ an implicit value of zero */
+ *uSN = 0;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+ }
+
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ if (res->count < 1) {
+ *uSN = 0;
+ if (urgent_uSN) {
+ *urgent_uSN = 0;
+ }
+ } else {
+ *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
+ if (urgent_uSN) {
+ *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
+ }
+ }
+
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+}
+
+int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
+ const struct drsuapi_DsReplicaCursor2 *c2)
+{
+ return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
+}
+
+int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
+ const struct drsuapi_DsReplicaCursor *c2)
+{
+ return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
+}
+
+/*
+ * Return the NTDS object for a GUID, confirming it is in the
+ * configuration partition and a nTDSDSA object
+ */
+int samdb_get_ntds_obj_by_guid(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ const struct GUID *objectGUID,
+ const char **attrs,
+ struct ldb_message **msg)
+{
+ int ret;
+ struct ldb_result *res;
+ struct GUID_txt_buf guid_buf;
+ char *guid_str = GUID_buf_string(objectGUID, &guid_buf);
+ struct ldb_dn *config_dn = NULL;
+
+ config_dn = ldb_get_config_basedn(sam_ctx);
+ if (config_dn == NULL) {
+ return ldb_operr(sam_ctx);
+ }
+
+ ret = dsdb_search(sam_ctx,
+ mem_ctx,
+ &res,
+ config_dn,
+ LDB_SCOPE_SUBTREE,
+ attrs,
+ DSDB_SEARCH_ONE_ONLY,
+ "(&(objectGUID=%s)(objectClass=nTDSDSA))",
+ guid_str);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (msg) {
+ *msg = talloc_steal(mem_ctx, res->msgs[0]);
+ }
+ TALLOC_FREE(res);
+ return ret;
+}
+
+
+/*
+ see if a computer identified by its objectGUID is a RODC
+*/
+int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
+{
+ /* 1) find the DN for this servers NTDSDSA object
+ 2) search for the msDS-isRODC attribute
+ 3) if not present then not a RODC
+ 4) if present and TRUE then is a RODC
+ */
+ const char *attrs[] = { "msDS-isRODC", NULL };
+ int ret;
+ struct ldb_message *msg;
+ TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
+
+ ret = samdb_get_ntds_obj_by_guid(tmp_ctx,
+ sam_ctx,
+ objectGUID,
+ attrs, &msg);
+
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ *is_rodc = false;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+ }
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
+ GUID_string(tmp_ctx, objectGUID)));
+ *is_rodc = false;
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = ldb_msg_find_attr_as_bool(msg, "msDS-isRODC", 0);
+ *is_rodc = (ret == 1);
+
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+
+/*
+ see if we are a RODC
+*/
+int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
+{
+ const struct GUID *objectGUID;
+ int ret;
+ bool *cached;
+
+ /* see if we have a cached copy */
+ cached = (bool *)ldb_get_opaque(sam_ctx, "cache.am_rodc");
+ if (cached) {
+ *am_rodc = *cached;
+ return LDB_SUCCESS;
+ }
+
+ objectGUID = samdb_ntds_objectGUID(sam_ctx);
+ if (!objectGUID) {
+ return ldb_operr(sam_ctx);
+ }
+
+ ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ cached = talloc(sam_ctx, bool);
+ if (cached == NULL) {
+ return ldb_oom(sam_ctx);
+ }
+ *cached = *am_rodc;
+
+ ret = ldb_set_opaque(sam_ctx, "cache.am_rodc", cached);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(cached);
+ return ldb_operr(sam_ctx);
+ }
+
+ return LDB_SUCCESS;
+}
+
+int samdb_dns_host_name(struct ldb_context *sam_ctx, const char **host_name)
+{
+ const char *_host_name = NULL;
+ const char *attrs[] = { "dnsHostName", NULL };
+ TALLOC_CTX *tmp_ctx = NULL;
+ int ret;
+ struct ldb_result *res = NULL;
+
+ _host_name = (const char *)ldb_get_opaque(sam_ctx, "cache.dns_host_name");
+ if (_host_name != NULL) {
+ *host_name = _host_name;
+ return LDB_SUCCESS;
+ }
+
+ tmp_ctx = talloc_new(sam_ctx);
+
+ ret = dsdb_search_dn(sam_ctx, tmp_ctx, &res, NULL, attrs, 0);
+
+ if (res == NULL || res->count != 1 || ret != LDB_SUCCESS) {
+ DEBUG(0, ("Failed to get rootDSE for dnsHostName: %s",
+ ldb_errstring(sam_ctx)));
+ TALLOC_FREE(tmp_ctx);
+ return ret;
+ }
+
+ _host_name = ldb_msg_find_attr_as_string(res->msgs[0],
+ "dnsHostName",
+ NULL);
+ if (_host_name == NULL) {
+ DEBUG(0, ("Failed to get dnsHostName from rootDSE"));
+ TALLOC_FREE(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = ldb_set_opaque(sam_ctx, "cache.dns_host_name",
+ discard_const_p(char *, _host_name));
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(tmp_ctx);
+ return ldb_operr(sam_ctx);
+ }
+
+ *host_name = talloc_steal(sam_ctx, _host_name);
+
+ TALLOC_FREE(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+bool samdb_set_am_rodc(struct ldb_context *ldb, bool am_rodc)
+{
+ TALLOC_CTX *tmp_ctx;
+ bool *cached;
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ cached = talloc(tmp_ctx, bool);
+ if (!cached) {
+ goto failed;
+ }
+
+ *cached = am_rodc;
+ if (ldb_set_opaque(ldb, "cache.am_rodc", cached) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_steal(ldb, cached);
+ talloc_free(tmp_ctx);
+ return true;
+
+failed:
+ DEBUG(1,("Failed to set our own cached am_rodc in the ldb!\n"));
+ talloc_free(tmp_ctx);
+ return false;
+}
+
+
+/*
+ * return NTDSSiteSettings options. See MS-ADTS 7.1.1.2.2.1.1
+ * flags are DS_NTDSSETTINGS_OPT_*
+ */
+int samdb_ntds_site_settings_options(struct ldb_context *ldb_ctx,
+ uint32_t *options)
+{
+ int rc;
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_result *res;
+ struct ldb_dn *site_dn;
+ const char *attrs[] = { "options", NULL };
+
+ tmp_ctx = talloc_new(ldb_ctx);
+ if (tmp_ctx == NULL)
+ goto failed;
+
+ /* Retrieve the site dn for the ldb that we
+ * have open. This is our local site.
+ */
+ site_dn = samdb_server_site_dn(ldb_ctx, tmp_ctx);
+ if (site_dn == NULL)
+ goto failed;
+
+ /* Perform a one level (child) search from the local
+ * site distinguided name. We're looking for the
+ * "options" attribute within the nTDSSiteSettings
+ * object
+ */
+ rc = ldb_search(ldb_ctx, tmp_ctx, &res, site_dn,
+ LDB_SCOPE_ONELEVEL, attrs,
+ "objectClass=nTDSSiteSettings");
+
+ if (rc != LDB_SUCCESS || res->count != 1)
+ goto failed;
+
+ *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
+
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+
+failed:
+ DEBUG(1,("Failed to find our NTDS Site Settings options in ldb!\n"));
+ talloc_free(tmp_ctx);
+ return ldb_error(ldb_ctx, LDB_ERR_NO_SUCH_OBJECT, __func__);
+}
+
+/*
+ return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
+
+ flags are DS_NTDS_OPTION_*
+*/
+int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
+{
+ TALLOC_CTX *tmp_ctx;
+ const char *attrs[] = { "options", NULL };
+ int ret;
+ struct ldb_result *res;
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ if (res->count != 1) {
+ goto failed;
+ }
+
+ *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
+
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+
+failed:
+ DEBUG(1,("Failed to find our own NTDS Settings options in the ldb!\n"));
+ talloc_free(tmp_ctx);
+ return ldb_error(ldb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+}
+
+const char* samdb_ntds_object_category(TALLOC_CTX *tmp_ctx, struct ldb_context *ldb)
+{
+ const char *attrs[] = { "objectCategory", NULL };
+ int ret;
+ struct ldb_result *res;
+
+ ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ if (res->count != 1) {
+ goto failed;
+ }
+
+ return ldb_msg_find_attr_as_string(res->msgs[0], "objectCategory", NULL);
+
+failed:
+ DEBUG(1,("Failed to find our own NTDS Settings objectCategory in the ldb!\n"));
+ return NULL;
+}
+
+/*
+ * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
+ * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
+ */
+const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
+{
+ char **tokens, *ret;
+ size_t i;
+
+ tokens = str_list_make(mem_ctx, cn, " -_");
+ if (tokens == NULL || tokens[0] == NULL) {
+ return NULL;
+ }
+
+ /* "tolower()" and "toupper()" should also work properly on 0x00 */
+ tokens[0][0] = tolower(tokens[0][0]);
+ for (i = 1; tokens[i] != NULL; i++)
+ tokens[i][0] = toupper(tokens[i][0]);
+
+ ret = talloc_strdup(mem_ctx, tokens[0]);
+ for (i = 1; tokens[i] != NULL; i++)
+ ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
+
+ talloc_free(tokens);
+
+ return ret;
+}
+
+/*
+ * This detects and returns the domain functional level (DS_DOMAIN_FUNCTION_*)
+ */
+int dsdb_functional_level(struct ldb_context *ldb)
+{
+ int *domainFunctionality =
+ talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
+ if (!domainFunctionality) {
+ /* this is expected during initial provision */
+ DEBUG(4,(__location__ ": WARNING: domainFunctionality not setup\n"));
+ return DS_DOMAIN_FUNCTION_2000;
+ }
+ return *domainFunctionality;
+}
+
+/*
+ * This detects and returns the forest functional level (DS_DOMAIN_FUNCTION_*)
+ */
+int dsdb_forest_functional_level(struct ldb_context *ldb)
+{
+ int *forestFunctionality =
+ talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int);
+ if (!forestFunctionality) {
+ DEBUG(0,(__location__ ": WARNING: forestFunctionality not setup\n"));
+ return DS_DOMAIN_FUNCTION_2000;
+ }
+ return *forestFunctionality;
+}
+
+/*
+ * This detects and returns the DC functional level (DS_DOMAIN_FUNCTION_*)
+ */
+int dsdb_dc_functional_level(struct ldb_context *ldb)
+{
+ int *dcFunctionality =
+ talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
+ if (!dcFunctionality) {
+ /* this is expected during initial provision */
+ DEBUG(4,(__location__ ": WARNING: domainControllerFunctionality not setup\n"));
+ return DS_DOMAIN_FUNCTION_2008_R2;
+ }
+ return *dcFunctionality;
+}
+
+/*
+ set a GUID in an extended DN structure
+ */
+int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
+{
+ struct ldb_val v;
+ NTSTATUS status;
+ int ret;
+
+ status = GUID_to_ndr_blob(guid, dn, &v);
+ if (!NT_STATUS_IS_OK(status)) {
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+
+ ret = ldb_dn_set_extended_component(dn, component_name, &v);
+ data_blob_free(&v);
+ return ret;
+}
+
+/*
+ return a GUID from a extended DN structure
+ */
+NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
+{
+ const struct ldb_val *v;
+
+ v = ldb_dn_get_extended_component(dn, component_name);
+ if (v == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ return GUID_from_ndr_blob(v, guid);
+}
+
+/*
+ return a uint64_t from a extended DN structure
+ */
+NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
+{
+ const struct ldb_val *v;
+ int error = 0;
+
+ v = ldb_dn_get_extended_component(dn, component_name);
+ if (v == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ /* Just check we don't allow the caller to fill our stack */
+ if (v->length >= 64) {
+ return NT_STATUS_INVALID_PARAMETER;
+ } else {
+ char s[v->length+1];
+ memcpy(s, v->data, v->length);
+ s[v->length] = 0;
+
+ *val = smb_strtoull(s, NULL, 0, &error, SMB_STR_STANDARD);
+ if (error != 0) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ }
+ return NT_STATUS_OK;
+}
+
+/*
+ return a NTTIME from a extended DN structure
+ */
+NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
+{
+ return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
+}
+
+/*
+ return a uint32_t from a extended DN structure
+ */
+NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
+{
+ const struct ldb_val *v;
+ int error = 0;
+
+ v = ldb_dn_get_extended_component(dn, component_name);
+ if (v == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ /* Just check we don't allow the caller to fill our stack */
+ if (v->length >= 32) {
+ return NT_STATUS_INVALID_PARAMETER;
+ } else {
+ char s[v->length + 1];
+ memcpy(s, v->data, v->length);
+ s[v->length] = 0;
+ *val = smb_strtoul(s, NULL, 0, &error, SMB_STR_STANDARD);
+ if (error != 0) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*
+ return a dom_sid from a extended DN structure
+ */
+NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
+{
+ const struct ldb_val *sid_blob;
+ enum ndr_err_code ndr_err;
+
+ sid_blob = ldb_dn_get_extended_component(dn, component_name);
+ if (!sid_blob) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ ndr_err = ndr_pull_struct_blob_all_noalloc(sid_blob, sid,
+ (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
+ return status;
+ }
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ return RMD_FLAGS directly from a ldb_dn
+ returns 0 if not found
+ */
+uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
+{
+ uint32_t rmd_flags = 0;
+ NTSTATUS status = dsdb_get_extended_dn_uint32(dn, &rmd_flags,
+ "RMD_FLAGS");
+ if (NT_STATUS_IS_OK(status)) {
+ return rmd_flags;
+ }
+ return 0;
+}
+
+/*
+ return RMD_FLAGS directly from a ldb_val for a DN
+ returns 0 if RMD_FLAGS is not found
+ */
+uint32_t dsdb_dn_val_rmd_flags(const struct ldb_val *val)
+{
+ const char *p;
+ uint32_t flags;
+ char *end;
+ int error = 0;
+
+ if (val->length < 13) {
+ return 0;
+ }
+ p = memmem(val->data, val->length, "<RMD_FLAGS=", 11);
+ if (!p) {
+ return 0;
+ }
+ flags = smb_strtoul(p+11, &end, 10, &error, SMB_STR_STANDARD);
+ if (!end || *end != '>' || error != 0) {
+ /* it must end in a > */
+ return 0;
+ }
+ return flags;
+}
+
+/*
+ return true if a ldb_val containing a DN in storage form is deleted
+ */
+bool dsdb_dn_is_deleted_val(const struct ldb_val *val)
+{
+ return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
+}
+
+/*
+ return true if a ldb_val containing a DN in storage form is
+ in the upgraded w2k3 linked attribute format
+ */
+bool dsdb_dn_is_upgraded_link_val(const struct ldb_val *val)
+{
+ return memmem(val->data, val->length, "<RMD_VERSION=", 13) != NULL;
+}
+
+/*
+ return a DN for a wellknown GUID
+ */
+int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
+ struct ldb_dn *nc_root, const char *wk_guid,
+ struct ldb_dn **wkguid_dn)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ const char *attrs[] = { NULL };
+ int ret;
+ struct ldb_dn *dn;
+ struct ldb_result *res = NULL;
+
+ /* construct the magic WKGUID DN */
+ dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
+ wk_guid, ldb_dn_get_linearized(nc_root));
+ if (!wkguid_dn) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(samdb);
+ }
+
+ ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs,
+ DSDB_SEARCH_SHOW_DELETED |
+ DSDB_SEARCH_SHOW_RECYCLED);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ /* fix clang warning */
+ if (res == NULL){
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OTHER;
+ }
+
+ (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+
+static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
+{
+ return ldb_dn_compare(*dn1, *dn2);
+}
+
+/*
+ find a NC root given a DN within the NC by reading the rootDSE namingContexts
+ */
+static int dsdb_find_nc_root_string_based(struct ldb_context *samdb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *dn,
+ struct ldb_dn **nc_root)
+{
+ const char *root_attrs[] = { "namingContexts", NULL };
+ TALLOC_CTX *tmp_ctx;
+ int ret;
+ struct ldb_message_element *el;
+ struct ldb_result *root_res;
+ unsigned int i;
+ struct ldb_dn **nc_dns;
+
+ tmp_ctx = talloc_new(samdb);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(samdb);
+ }
+
+ ret = ldb_search(samdb, tmp_ctx, &root_res,
+ ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
+ if (ret != LDB_SUCCESS || root_res->count == 0) {
+ DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
+ if ((el == NULL) || (el->num_values < 3)) {
+ struct ldb_message *tmp_msg;
+
+ DEBUG(5,("dsdb_find_nc_root: Finding a valid 'namingContexts' element in the RootDSE failed. Using a temporary list.\n"));
+
+ /* This generates a temporary list of NCs in order to let the
+ * provisioning work. */
+ tmp_msg = ldb_msg_new(tmp_ctx);
+ if (tmp_msg == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(samdb);
+ }
+ ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
+ ldb_dn_alloc_linearized(tmp_msg, ldb_get_schema_basedn(samdb)));
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
+ ldb_dn_alloc_linearized(tmp_msg, ldb_get_config_basedn(samdb)));
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
+ ldb_dn_alloc_linearized(tmp_msg, ldb_get_default_basedn(samdb)));
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ el = &tmp_msg->elements[0];
+ }
+
+ nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
+ if (!nc_dns) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(samdb);
+ }
+
+ for (i=0; i<el->num_values; i++) {
+ nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
+ if (nc_dns[i] == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(samdb);
+ }
+ }
+
+ TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
+
+ for (i=0; i<el->num_values; i++) {
+ if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
+ (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+ }
+ }
+
+ talloc_free(tmp_ctx);
+ return ldb_error(samdb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+}
+
+struct dsdb_get_partition_and_dn {
+ TALLOC_CTX *mem_ctx;
+ unsigned int count;
+ struct ldb_dn *dn;
+ struct ldb_dn *partition_dn;
+ bool want_partition_dn;
+};
+
+static int dsdb_get_partition_and_dn(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ int ret;
+ struct dsdb_get_partition_and_dn *context = req->context;
+ struct ldb_control *partition_ctrl = NULL;
+ struct dsdb_control_current_partition *partition = NULL;
+
+ if (!ares) {
+ return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (ares->error != LDB_SUCCESS
+ && ares->error != LDB_ERR_NO_SUCH_OBJECT) {
+ return ldb_request_done(req, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ if (context->count != 0) {
+ return ldb_request_done(req,
+ LDB_ERR_CONSTRAINT_VIOLATION);
+ }
+ context->count++;
+
+ context->dn = talloc_steal(context->mem_ctx,
+ ares->message->dn);
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ talloc_free(ares);
+ return ldb_request_done(req, LDB_SUCCESS);
+
+ case LDB_REPLY_DONE:
+ partition_ctrl
+ = ldb_reply_get_control(ares,
+ DSDB_CONTROL_CURRENT_PARTITION_OID);
+ if (!context->want_partition_dn ||
+ partition_ctrl == NULL) {
+ ret = ares->error;
+ talloc_free(ares);
+
+ return ldb_request_done(req, ret);
+ }
+
+ partition
+ = talloc_get_type_abort(partition_ctrl->data,
+ struct dsdb_control_current_partition);
+ context->partition_dn
+ = ldb_dn_copy(context->mem_ctx, partition->dn);
+ if (context->partition_dn == NULL) {
+ return ldb_request_done(req,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ ret = ares->error;
+ talloc_free(ares);
+
+ return ldb_request_done(req, ret);
+ }
+
+ talloc_free(ares);
+ return LDB_SUCCESS;
+}
+
+/*
+ find a NC root given a DN within the NC
+ */
+int dsdb_normalise_dn_and_find_nc_root(struct ldb_context *samdb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *dn,
+ struct ldb_dn **normalised_dn,
+ struct ldb_dn **nc_root)
+{
+ TALLOC_CTX *tmp_ctx;
+ int ret;
+ struct ldb_request *req;
+ struct ldb_result *res;
+ struct ldb_dn *search_dn = dn;
+ static const char * attrs[] = { NULL };
+ bool has_extended = ldb_dn_has_extended(dn);
+ bool has_normal_components = ldb_dn_get_comp_num(dn) >= 1;
+ struct dsdb_get_partition_and_dn context = {
+ .mem_ctx = mem_ctx,
+ .want_partition_dn = nc_root != NULL
+ };
+
+ if (!has_extended && !has_normal_components) {
+ return ldb_error(samdb, LDB_ERR_NO_SUCH_OBJECT,
+ "Request for NC root for rootDSE (\"\") deined.");
+ }
+
+ tmp_ctx = talloc_new(samdb);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(samdb);
+ }
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (res == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(samdb);
+ }
+
+ if (has_extended && has_normal_components) {
+ bool minimise_ok;
+ search_dn = ldb_dn_copy(tmp_ctx, dn);
+ if (search_dn == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(samdb);
+ }
+ minimise_ok = ldb_dn_minimise(search_dn);
+ if (!minimise_ok) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(samdb);
+ }
+ }
+
+ ret = ldb_build_search_req(&req, samdb, tmp_ctx,
+ search_dn,
+ LDB_SCOPE_BASE,
+ NULL,
+ attrs,
+ NULL,
+ &context,
+ dsdb_get_partition_and_dn,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = dsdb_request_add_controls(req,
+ DSDB_SEARCH_SHOW_RECYCLED|
+ DSDB_SEARCH_SHOW_DELETED|
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = ldb_request(samdb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ /*
+ * This could be a new DN, not in the DB, which is OK. If we
+ * don't need the normalised DN, we can continue.
+ *
+ * We may be told the partition it would be in in the search
+ * reply control, or if not we can do a string-based match.
+ */
+
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ if (normalised_dn != NULL) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ ret = LDB_SUCCESS;
+ ldb_reset_err_string(samdb);
+ } else if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ if (normalised_dn != NULL) {
+ if (context.count != 1) {
+ /* No results */
+ ldb_asprintf_errstring(samdb,
+ "Request for NC root for %s failed to return any results.",
+ ldb_dn_get_linearized(dn));
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+ *normalised_dn = context.dn;
+ }
+
+ /*
+ * If the user did not need to find the nc_root,
+ * we are done
+ */
+ if (nc_root == NULL) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ /*
+ * When we are working locally, both for the case were
+ * we find the DN, and the case where we fail, we get
+ * back via controls the partition it was in or should
+ * have been in, to return to the client
+ */
+ if (context.partition_dn != NULL) {
+ (*nc_root) = context.partition_dn;
+
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ /*
+ * This is a remote operation, which is a little harder as we
+ * have a work out the nc_root from the list of NCs. If we did
+ * at least resolve the DN to a string, get that now, it makes
+ * the string-based match below possible for a GUID-based
+ * input over remote LDAP.
+ */
+ if (context.dn) {
+ dn = context.dn;
+ } else if (has_extended && !has_normal_components) {
+ ldb_asprintf_errstring(samdb,
+ "Cannot determine NC root "
+ "for a not-found bare extended DN %s.",
+ ldb_dn_get_extended_linearized(tmp_ctx, dn, 1));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+
+ /*
+ * Either we are working aginast a remote LDAP
+ * server or the object doesn't exist locally.
+ *
+ * This means any GUID that was present in the DN
+ * therefore could not be evaluated, so do a
+ * string-based match instead.
+ */
+ talloc_free(tmp_ctx);
+ return dsdb_find_nc_root_string_based(samdb,
+ mem_ctx,
+ dn,
+ nc_root);
+}
+
+/*
+ find a NC root given a DN within the NC
+ */
+int dsdb_find_nc_root(struct ldb_context *samdb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *dn,
+ struct ldb_dn **nc_root)
+{
+ return dsdb_normalise_dn_and_find_nc_root(samdb,
+ mem_ctx,
+ dn,
+ NULL,
+ nc_root);
+}
+
+/*
+ find the deleted objects DN for any object, by looking for the NC
+ root, then looking up the wellknown GUID
+ */
+int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
+ struct ldb_dn **do_dn)
+{
+ struct ldb_dn *nc_root;
+ int ret;
+
+ ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
+ talloc_free(nc_root);
+ return ret;
+}
+
+/*
+ return the tombstoneLifetime, in days
+ */
+int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
+{
+ struct ldb_dn *dn;
+ dn = ldb_get_config_basedn(ldb);
+ if (!dn) {
+ return ldb_error(ldb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+ }
+ dn = ldb_dn_copy(ldb, dn);
+ if (!dn) {
+ return ldb_operr(ldb);
+ }
+ /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
+ be a wellknown GUID for this */
+ if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
+ talloc_free(dn);
+ return ldb_operr(ldb);
+ }
+
+ *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
+ talloc_free(dn);
+ return LDB_SUCCESS;
+}
+
+/*
+ compare a ldb_val to a string case insensitively
+ */
+int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
+{
+ size_t len = strlen(s);
+ int ret;
+ if (len > v->length) return 1;
+ ret = strncasecmp(s, (const char *)v->data, v->length);
+ if (ret != 0) return ret;
+ if (v->length > len && v->data[len] != 0) {
+ return -1;
+ }
+ return 0;
+}
+
+
+/*
+ load the UDV for a partition in v2 format
+ The list is returned sorted, and with our local cursor added
+ */
+int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
+{
+ static const char *attrs[] = { "replUpToDateVector", NULL };
+ struct ldb_result *r = NULL;
+ const struct ldb_val *ouv_value;
+ unsigned int i;
+ int ret;
+ uint64_t highest_usn = 0;
+ const struct GUID *our_invocation_id;
+ static const struct timeval tv1970;
+ NTTIME nt1970 = timeval_to_nttime(&tv1970);
+
+ ret = dsdb_search_dn(samdb, mem_ctx, &r, dn, attrs, DSDB_SEARCH_SHOW_RECYCLED|DSDB_SEARCH_SHOW_DELETED);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ /* fix clang warning */
+ if (r == NULL) {
+ return LDB_ERR_OTHER;
+ }
+ ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
+ if (ouv_value) {
+ enum ndr_err_code ndr_err;
+ struct replUpToDateVectorBlob ouv;
+
+ ndr_err = ndr_pull_struct_blob(ouv_value, r, &ouv,
+ (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(r);
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+ if (ouv.version != 2) {
+ /* we always store as version 2, and
+ * replUpToDateVector is not replicated
+ */
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+
+ *count = ouv.ctr.ctr2.count;
+ *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
+ } else {
+ *count = 0;
+ *cursors = NULL;
+ }
+
+ talloc_free(r);
+
+ our_invocation_id = samdb_ntds_invocation_id(samdb);
+ if (!our_invocation_id) {
+ DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
+ talloc_free(*cursors);
+ return ldb_operr(samdb);
+ }
+
+ ret = ldb_sequence_number(samdb, LDB_SEQ_HIGHEST_SEQ, &highest_usn);
+ if (ret != LDB_SUCCESS) {
+ /* nothing to add - this can happen after a vampire */
+ TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
+ return LDB_SUCCESS;
+ }
+
+ for (i=0; i<*count; i++) {
+ if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
+ (*cursors)[i].highest_usn = highest_usn;
+ (*cursors)[i].last_sync_success = nt1970;
+ TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
+ return LDB_SUCCESS;
+ }
+ }
+
+ (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
+ if (! *cursors) {
+ return ldb_oom(samdb);
+ }
+
+ (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
+ (*cursors)[*count].highest_usn = highest_usn;
+ (*cursors)[*count].last_sync_success = nt1970;
+ (*count)++;
+
+ TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
+
+ return LDB_SUCCESS;
+}
+
+/*
+ load the UDV for a partition in version 1 format
+ The list is returned sorted, and with our local cursor added
+ */
+int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
+{
+ struct drsuapi_DsReplicaCursor2 *v2 = NULL;
+ uint32_t i;
+ int ret;
+
+ ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (*count == 0) {
+ talloc_free(v2);
+ *cursors = NULL;
+ return LDB_SUCCESS;
+ }
+
+ *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
+ if (*cursors == NULL) {
+ talloc_free(v2);
+ return ldb_oom(samdb);
+ }
+
+ for (i=0; i<*count; i++) {
+ (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
+ (*cursors)[i].highest_usn = v2[i].highest_usn;
+ }
+ talloc_free(v2);
+ return LDB_SUCCESS;
+}
+
+/*
+ add a set of controls to a ldb_request structure based on a set of
+ flags. See util.h for a list of available flags
+ */
+int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
+{
+ int ret;
+ if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
+ struct ldb_search_options_control *options;
+ /* Using the phantom root control allows us to search all partitions */
+ options = talloc(req, struct ldb_search_options_control);
+ if (options == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
+
+ ret = ldb_request_add_control(req,
+ LDB_CONTROL_SEARCH_OPTIONS_OID,
+ true, options);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_SEARCH_NO_GLOBAL_CATALOG) {
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_NO_GLOBAL_CATALOG,
+ false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_SEARCH_SHOW_RECYCLED) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_RECYCLED_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
+ ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
+ struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
+ if (!extended_ctrl) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ extended_ctrl->type = 1;
+
+ ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_MODIFY_RELAX) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_RELAX_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_MODIFY_PERMISSIVE) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_PERMISSIVE_MODIFY_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_FLAG_AS_SYSTEM) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_TREE_DELETE) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_TREE_DELETE_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_PROVISION) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_PROVISION_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ /* This is a special control to bypass the password_hash module for use in pdb_samba4 for Samba3 upgrades */
+ if (dsdb_flags & DSDB_BYPASS_PASSWORD_HASH) {
+ ret = ldb_request_add_control(req, DSDB_CONTROL_BYPASS_PASSWORD_HASH_OID, true, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_PASSWORD_BYPASS_LAST_SET) {
+ /*
+ * This must not be critical, as it will only be
+ * handled (and need to be handled) if the other
+ * attributes in the request bring password_hash into
+ * action
+ */
+ ret = ldb_request_add_control(req, DSDB_CONTROL_PASSWORD_BYPASS_LAST_SET_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_REPLMD_VANISH_LINKS) {
+ ret = ldb_request_add_control(req, DSDB_CONTROL_REPLMD_VANISH_LINKS, true, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_MODIFY_PARTIAL_REPLICA) {
+ ret = ldb_request_add_control(req, DSDB_CONTROL_PARTIAL_REPLICA, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_FLAG_REPLICATED_UPDATE) {
+ ret = ldb_request_add_control(req, DSDB_CONTROL_REPLICATED_UPDATE_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_FLAG_FORCE_ALLOW_VALIDATED_DNS_HOSTNAME_SPN_WRITE) {
+ ret = ldb_request_add_control(req, DSDB_CONTROL_FORCE_ALLOW_VALIDATED_DNS_HOSTNAME_SPN_WRITE_OID, true, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ if (dsdb_flags & DSDB_MARK_REQ_UNTRUSTED) {
+ ldb_req_mark_untrusted(req);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/*
+ returns true if a control with the specified "oid" exists
+*/
+bool dsdb_request_has_control(struct ldb_request *req, const char *oid)
+{
+ return (ldb_request_get_control(req, oid) != NULL);
+}
+
+/*
+ an add with a set of controls
+*/
+int dsdb_add(struct ldb_context *ldb, const struct ldb_message *message,
+ uint32_t dsdb_flags)
+{
+ struct ldb_request *req;
+ int ret;
+
+ ret = ldb_build_add_req(&req, ldb, ldb,
+ message,
+ NULL,
+ NULL,
+ ldb_op_default_callback,
+ NULL);
+
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = dsdb_request_add_controls(req, dsdb_flags);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ return ret;
+ }
+
+ ret = dsdb_autotransaction_request(ldb, req);
+
+ talloc_free(req);
+ return ret;
+}
+
+/*
+ a modify with a set of controls
+*/
+int dsdb_modify(struct ldb_context *ldb, const struct ldb_message *message,
+ uint32_t dsdb_flags)
+{
+ struct ldb_request *req;
+ int ret;
+
+ ret = ldb_build_mod_req(&req, ldb, ldb,
+ message,
+ NULL,
+ NULL,
+ ldb_op_default_callback,
+ NULL);
+
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = dsdb_request_add_controls(req, dsdb_flags);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ return ret;
+ }
+
+ ret = dsdb_autotransaction_request(ldb, req);
+
+ talloc_free(req);
+ return ret;
+}
+
+/*
+ a delete with a set of flags
+*/
+int dsdb_delete(struct ldb_context *ldb, struct ldb_dn *dn,
+ uint32_t dsdb_flags)
+{
+ struct ldb_request *req;
+ int ret;
+
+ ret = ldb_build_del_req(&req, ldb, ldb,
+ dn,
+ NULL,
+ NULL,
+ ldb_op_default_callback,
+ NULL);
+
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = dsdb_request_add_controls(req, dsdb_flags);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ return ret;
+ }
+
+ ret = dsdb_autotransaction_request(ldb, req);
+
+ talloc_free(req);
+ return ret;
+}
+
+/*
+ like dsdb_modify() but set all the element flags to
+ LDB_FLAG_MOD_REPLACE
+ */
+int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
+{
+ unsigned int i;
+
+ /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
+ for (i=0;i<msg->num_elements;i++) {
+ msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
+ }
+
+ return dsdb_modify(ldb, msg, dsdb_flags);
+}
+
+
+/*
+ search for attrs on one DN, allowing for dsdb_flags controls
+ */
+int dsdb_search_dn(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result **_result,
+ struct ldb_dn *basedn,
+ const char * const *attrs,
+ uint32_t dsdb_flags)
+{
+ int ret;
+ struct ldb_request *req;
+ struct ldb_result *res;
+
+ res = talloc_zero(mem_ctx, struct ldb_result);
+ if (!res) {
+ return ldb_oom(ldb);
+ }
+
+ ret = ldb_build_search_req(&req, ldb, res,
+ basedn,
+ LDB_SCOPE_BASE,
+ NULL,
+ attrs,
+ NULL,
+ res,
+ ldb_search_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+
+ ret = dsdb_request_add_controls(req, dsdb_flags);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+
+ ret = ldb_request(ldb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ talloc_free(req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+
+ *_result = res;
+ return LDB_SUCCESS;
+}
+
+/*
+ search for attrs on one DN, by the GUID of the DN, allowing for
+ dsdb_flags controls
+ */
+int dsdb_search_by_dn_guid(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result **_result,
+ const struct GUID *guid,
+ const char * const *attrs,
+ uint32_t dsdb_flags)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ struct ldb_dn *dn;
+ int ret;
+
+ dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<GUID=%s>", GUID_string(tmp_ctx, guid));
+ if (dn == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ ret = dsdb_search_dn(ldb, mem_ctx, _result, dn, attrs, dsdb_flags);
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+/*
+ general search with dsdb_flags for controls
+ */
+int dsdb_search(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result **_result,
+ struct ldb_dn *basedn,
+ enum ldb_scope scope,
+ const char * const *attrs,
+ uint32_t dsdb_flags,
+ const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
+{
+ int ret;
+ struct ldb_request *req;
+ struct ldb_result *res;
+ va_list ap;
+ char *expression = NULL;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+
+ /* cross-partitions searches with a basedn break multi-domain support */
+ SMB_ASSERT(basedn == NULL || (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) == 0);
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ if (exp_fmt) {
+ va_start(ap, exp_fmt);
+ expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
+ va_end(ap);
+
+ if (!expression) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+ }
+
+ ret = ldb_build_search_req(&req, ldb, tmp_ctx,
+ basedn,
+ scope,
+ expression,
+ attrs,
+ NULL,
+ res,
+ ldb_search_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = dsdb_request_add_controls(req, dsdb_flags);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ ldb_reset_err_string(ldb);
+ return ret;
+ }
+
+ ret = ldb_request(ldb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
+ if (res->count == 0) {
+ talloc_free(tmp_ctx);
+ ldb_reset_err_string(ldb);
+ return ldb_error(ldb, LDB_ERR_NO_SUCH_OBJECT, __func__);
+ }
+ if (res->count != 1) {
+ talloc_free(tmp_ctx);
+ ldb_reset_err_string(ldb);
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ }
+
+ *_result = talloc_steal(mem_ctx, res);
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+}
+
+
+/*
+ general search with dsdb_flags for controls
+ returns exactly 1 record or an error
+ */
+int dsdb_search_one(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_message **msg,
+ struct ldb_dn *basedn,
+ enum ldb_scope scope,
+ const char * const *attrs,
+ uint32_t dsdb_flags,
+ const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
+{
+ int ret;
+ struct ldb_result *res;
+ va_list ap;
+ char *expression = NULL;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+
+ dsdb_flags |= DSDB_SEARCH_ONE_ONLY;
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ if (exp_fmt) {
+ va_start(ap, exp_fmt);
+ expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
+ va_end(ap);
+
+ if (!expression) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+ ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
+ dsdb_flags, "%s", expression);
+ } else {
+ ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
+ dsdb_flags, NULL);
+ }
+
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ *msg = talloc_steal(mem_ctx, res->msgs[0]);
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+}
+
+/* returns back the forest DNS name */
+const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+{
+ const char *forest_name = ldb_dn_canonical_string(mem_ctx,
+ ldb_get_root_basedn(ldb));
+ char *p;
+
+ if (forest_name == NULL) {
+ return NULL;
+ }
+
+ p = strchr(forest_name, '/');
+ if (p) {
+ *p = '\0';
+ }
+
+ return forest_name;
+}
+
+/* returns back the default domain DNS name */
+const char *samdb_default_domain_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+{
+ const char *domain_name = ldb_dn_canonical_string(mem_ctx,
+ ldb_get_default_basedn(ldb));
+ char *p;
+
+ if (domain_name == NULL) {
+ return NULL;
+ }
+
+ p = strchr(domain_name, '/');
+ if (p) {
+ *p = '\0';
+ }
+
+ return domain_name;
+}
+
+/*
+ validate that an DSA GUID belongs to the specified user sid.
+ The user SID must be a domain controller account (either RODC or
+ RWDC)
+ */
+int dsdb_validate_dsa_guid(struct ldb_context *ldb,
+ const struct GUID *dsa_guid,
+ const struct dom_sid *sid)
+{
+ /* strategy:
+ - find DN of record with the DSA GUID in the
+ configuration partition (objectGUID)
+ - remove "NTDS Settings" component from DN
+ - do a base search on that DN for serverReference with
+ extended-dn enabled
+ - extract objectSid from resulting serverReference
+ attribute
+ - check this sid matches the sid argument
+ */
+ struct ldb_dn *config_dn;
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ struct ldb_message *msg;
+ const char *attrs1[] = { NULL };
+ const char *attrs2[] = { "serverReference", NULL };
+ int ret;
+ struct ldb_dn *dn, *account_dn;
+ struct dom_sid sid2;
+ NTSTATUS status;
+
+ config_dn = ldb_get_config_basedn(ldb);
+
+ ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
+ attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+ dn = msg->dn;
+
+ if (!ldb_dn_remove_child_components(dn, 1)) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
+ attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
+ "(objectClass=server)");
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
+ if (account_dn == NULL) {
+ DEBUG(1,(__location__ ": Failed to find account dn "
+ "(serverReference) for %s, parent of DSA with "
+ "objectGUID %s, sid %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ GUID_string(tmp_ctx, dsa_guid),
+ dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1,(__location__ ": Failed to find SID for DSA with objectGUID %s, sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ if (!dom_sid_equal(sid, &sid2)) {
+ /* someone is trying to spoof another account */
+ DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid),
+ dom_sid_string(tmp_ctx, sid),
+ dom_sid_string(tmp_ctx, &sid2)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+static const char * const secret_attributes[] = {
+ DSDB_SECRET_ATTRIBUTES,
+ NULL
+};
+
+/*
+ check if the attribute belongs to the RODC filtered attribute set
+ Note that attributes that are in the filtered attribute set are the
+ ones that _are_ always sent to a RODC
+*/
+bool dsdb_attr_in_rodc_fas(const struct dsdb_attribute *sa)
+{
+ /* they never get secret attributes */
+ if (is_attr_in_list(secret_attributes, sa->lDAPDisplayName)) {
+ return false;
+ }
+
+ /* they do get non-secret critical attributes */
+ if (sa->schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) {
+ return true;
+ }
+
+ /* they do get non-secret attributes marked as being in the FAS */
+ if (sa->searchFlags & SEARCH_FLAG_RODC_ATTRIBUTE) {
+ return true;
+ }
+
+ /* other attributes are denied */
+ return false;
+}
+
+/* return fsmo role dn and role owner dn for a particular role*/
+WERROR dsdb_get_fsmo_role_info(TALLOC_CTX *tmp_ctx,
+ struct ldb_context *ldb,
+ uint32_t role,
+ struct ldb_dn **fsmo_role_dn,
+ struct ldb_dn **role_owner_dn)
+{
+ int ret;
+ switch (role) {
+ case DREPL_NAMING_MASTER:
+ *fsmo_role_dn = samdb_partitions_dn(ldb, tmp_ctx);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_INFRASTRUCTURE_MASTER:
+ *fsmo_role_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_RID_MASTER:
+ ret = samdb_rid_manager_dn(ldb, tmp_ctx, fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_SCHEMA_MASTER:
+ *fsmo_role_dn = ldb_get_schema_basedn(ldb);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_PDC_MASTER:
+ *fsmo_role_dn = ldb_get_default_basedn(ldb);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ default:
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ return WERR_OK;
+}
+
+const char *samdb_dn_to_dnshostname(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *server_dn)
+{
+ int ldb_ret;
+ struct ldb_result *res = NULL;
+ const char * const attrs[] = { "dNSHostName", NULL};
+
+ ldb_ret = ldb_search(ldb, mem_ctx, &res,
+ server_dn,
+ LDB_SCOPE_BASE,
+ attrs, NULL);
+ if (ldb_ret != LDB_SUCCESS) {
+ DEBUG(4, ("Failed to find dNSHostName for dn %s, ldb error: %s",
+ ldb_dn_get_linearized(server_dn), ldb_errstring(ldb)));
+ return NULL;
+ }
+
+ return ldb_msg_find_attr_as_string(res->msgs[0], "dNSHostName", NULL);
+}
+
+/*
+ returns true if an attribute is in the filter,
+ false otherwise, provided that attribute value is provided with the expression
+*/
+bool dsdb_attr_in_parse_tree(struct ldb_parse_tree *tree,
+ const char *attr)
+{
+ unsigned int i;
+ switch (tree->operation) {
+ case LDB_OP_AND:
+ case LDB_OP_OR:
+ for (i=0;i<tree->u.list.num_elements;i++) {
+ if (dsdb_attr_in_parse_tree(tree->u.list.elements[i],
+ attr))
+ return true;
+ }
+ return false;
+ case LDB_OP_NOT:
+ return dsdb_attr_in_parse_tree(tree->u.isnot.child, attr);
+ case LDB_OP_EQUALITY:
+ case LDB_OP_GREATER:
+ case LDB_OP_LESS:
+ case LDB_OP_APPROX:
+ if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
+ return true;
+ }
+ return false;
+ case LDB_OP_SUBSTRING:
+ if (ldb_attr_cmp(tree->u.substring.attr, attr) == 0) {
+ return true;
+ }
+ return false;
+ case LDB_OP_PRESENT:
+ /* (attrname=*) is not filtered out */
+ return false;
+ case LDB_OP_EXTENDED:
+ if (tree->u.extended.attr &&
+ ldb_attr_cmp(tree->u.extended.attr, attr) == 0) {
+ return true;
+ }
+ return false;
+ }
+ return false;
+}
+
+bool is_attr_in_list(const char * const * attrs, const char *attr)
+{
+ unsigned int i;
+
+ for (i = 0; attrs[i]; i++) {
+ if (ldb_attr_cmp(attrs[i], attr) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+int dsdb_werror_at(struct ldb_context *ldb, int ldb_ecode, WERROR werr,
+ const char *location, const char *func,
+ const char *reason)
+{
+ if (reason == NULL) {
+ reason = win_errstr(werr);
+ }
+ ldb_asprintf_errstring(ldb, "%08X: %s at %s:%s",
+ W_ERROR_V(werr), reason, location, func);
+ return ldb_ecode;
+}
+
+/*
+ map an ldb error code to an approximate NTSTATUS code
+ */
+NTSTATUS dsdb_ldb_err_to_ntstatus(int err)
+{
+ switch (err) {
+ case LDB_SUCCESS:
+ return NT_STATUS_OK;
+
+ case LDB_ERR_PROTOCOL_ERROR:
+ return NT_STATUS_DEVICE_PROTOCOL_ERROR;
+
+ case LDB_ERR_TIME_LIMIT_EXCEEDED:
+ return NT_STATUS_IO_TIMEOUT;
+
+ case LDB_ERR_SIZE_LIMIT_EXCEEDED:
+ return NT_STATUS_BUFFER_TOO_SMALL;
+
+ case LDB_ERR_COMPARE_FALSE:
+ case LDB_ERR_COMPARE_TRUE:
+ return NT_STATUS_REVISION_MISMATCH;
+
+ case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
+ return NT_STATUS_NOT_SUPPORTED;
+
+ case LDB_ERR_STRONG_AUTH_REQUIRED:
+ case LDB_ERR_CONFIDENTIALITY_REQUIRED:
+ case LDB_ERR_SASL_BIND_IN_PROGRESS:
+ case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
+ case LDB_ERR_INVALID_CREDENTIALS:
+ case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
+ case LDB_ERR_UNWILLING_TO_PERFORM:
+ return NT_STATUS_ACCESS_DENIED;
+
+ case LDB_ERR_NO_SUCH_OBJECT:
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+
+ case LDB_ERR_REFERRAL:
+ case LDB_ERR_NO_SUCH_ATTRIBUTE:
+ return NT_STATUS_NOT_FOUND;
+
+ case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
+ return NT_STATUS_NOT_SUPPORTED;
+
+ case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
+ return NT_STATUS_BUFFER_TOO_SMALL;
+
+ case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
+ case LDB_ERR_INAPPROPRIATE_MATCHING:
+ case LDB_ERR_CONSTRAINT_VIOLATION:
+ case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
+ case LDB_ERR_INVALID_DN_SYNTAX:
+ case LDB_ERR_NAMING_VIOLATION:
+ case LDB_ERR_OBJECT_CLASS_VIOLATION:
+ case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
+ case LDB_ERR_NOT_ALLOWED_ON_RDN:
+ return NT_STATUS_INVALID_PARAMETER;
+
+ case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
+ case LDB_ERR_ENTRY_ALREADY_EXISTS:
+ return NT_STATUS_ERROR_DS_OBJ_STRING_NAME_EXISTS;
+
+ case LDB_ERR_BUSY:
+ return NT_STATUS_NETWORK_BUSY;
+
+ case LDB_ERR_ALIAS_PROBLEM:
+ case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
+ case LDB_ERR_UNAVAILABLE:
+ case LDB_ERR_LOOP_DETECT:
+ case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
+ case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
+ case LDB_ERR_OTHER:
+ case LDB_ERR_OPERATIONS_ERROR:
+ break;
+ }
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+
+/*
+ create a new naming context that will hold a partial replica
+ */
+int dsdb_create_partial_replica_NC(struct ldb_context *ldb, struct ldb_dn *dn)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ struct ldb_message *msg;
+ int ret;
+
+ msg = ldb_msg_new(tmp_ctx);
+ if (msg == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ msg->dn = dn;
+ ret = ldb_msg_add_string(msg, "objectClass", "top");
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ /* [MS-DRSR] implies that we should only add the 'top'
+ * objectclass, but that would cause lots of problems with our
+ * objectclass code as top is not structural, so we add
+ * 'domainDNS' as well to keep things sane. We're expecting
+ * this new NC to be of objectclass domainDNS after
+ * replication anyway
+ */
+ ret = ldb_msg_add_string(msg, "objectClass", "domainDNS");
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ ret = ldb_msg_add_fmt(msg, "instanceType", "%u",
+ INSTANCE_TYPE_IS_NC_HEAD|
+ INSTANCE_TYPE_NC_ABOVE|
+ INSTANCE_TYPE_UNINSTANT);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
+ }
+
+ ret = dsdb_add(ldb, msg, DSDB_MODIFY_PARTIAL_REPLICA);
+ if (ret != LDB_SUCCESS && ret != LDB_ERR_ENTRY_ALREADY_EXISTS) {
+ DEBUG(0,("Failed to create new NC for %s - %s (%s)\n",
+ ldb_dn_get_linearized(dn),
+ ldb_errstring(ldb), ldb_strerror(ret)));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ DEBUG(1,("Created new NC for %s\n", ldb_dn_get_linearized(dn)));
+
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+/*
+ * Return the effective badPwdCount
+ *
+ * This requires that the user_msg have (if present):
+ * - badPasswordTime
+ * - badPwdCount
+ *
+ * This also requires that the domain_msg have (if present):
+ * - lockOutObservationWindow
+ */
+int dsdb_effective_badPwdCount(const struct ldb_message *user_msg,
+ int64_t lockOutObservationWindow,
+ NTTIME now)
+{
+ int64_t badPasswordTime;
+ badPasswordTime = ldb_msg_find_attr_as_int64(user_msg, "badPasswordTime", 0);
+
+ if (badPasswordTime - lockOutObservationWindow >= now) {
+ return ldb_msg_find_attr_as_int(user_msg, "badPwdCount", 0);
+ } else {
+ return 0;
+ }
+}
+
+/*
+ * Returns a user's PSO, or NULL if none was found
+ */
+static struct ldb_result *lookup_user_pso(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ const struct ldb_message *user_msg,
+ const char * const *attrs)
+{
+ struct ldb_result *res = NULL;
+ struct ldb_dn *pso_dn = NULL;
+ int ret;
+
+ /* if the user has a PSO that applies, then use the PSO's setting */
+ pso_dn = ldb_msg_find_attr_as_dn(sam_ldb, mem_ctx, user_msg,
+ "msDS-ResultantPSO");
+
+ if (pso_dn != NULL) {
+
+ ret = dsdb_search_dn(sam_ldb, mem_ctx, &res, pso_dn, attrs, 0);
+ if (ret != LDB_SUCCESS) {
+
+ /*
+ * log the error. The caller should fallback to using
+ * the default domain password settings
+ */
+ DBG_ERR("Error retrieving msDS-ResultantPSO %s for %s",
+ ldb_dn_get_linearized(pso_dn),
+ ldb_dn_get_linearized(user_msg->dn));
+ }
+ talloc_free(pso_dn);
+ }
+ return res;
+}
+
+/*
+ * Return the msDS-LockoutObservationWindow for a user message
+ *
+ * This requires that the user_msg have (if present):
+ * - msDS-ResultantPSO
+ */
+int64_t samdb_result_msds_LockoutObservationWindow(
+ struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *domain_dn,
+ const struct ldb_message *user_msg)
+{
+ int64_t lockOutObservationWindow;
+ struct ldb_result *res = NULL;
+ const char *attrs[] = { "msDS-LockoutObservationWindow",
+ NULL };
+ if (domain_dn == NULL) {
+ smb_panic("domain dn is NULL");
+ }
+ res = lookup_user_pso(sam_ldb, mem_ctx, user_msg, attrs);
+
+ if (res != NULL) {
+ lockOutObservationWindow =
+ ldb_msg_find_attr_as_int64(res->msgs[0],
+ "msDS-LockoutObservationWindow",
+ DEFAULT_OBSERVATION_WINDOW);
+ talloc_free(res);
+ } else {
+
+ /* no PSO was found, lookup the default domain setting */
+ lockOutObservationWindow =
+ samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn,
+ "lockOutObservationWindow", NULL);
+ }
+ return lockOutObservationWindow;
+}
+
+/*
+ * Return the effective badPwdCount
+ *
+ * This requires that the user_msg have (if present):
+ * - badPasswordTime
+ * - badPwdCount
+ * - msDS-ResultantPSO
+ */
+int samdb_result_effective_badPwdCount(struct ldb_context *sam_ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *domain_dn,
+ const struct ldb_message *user_msg)
+{
+ struct timeval tv_now = timeval_current();
+ NTTIME now = timeval_to_nttime(&tv_now);
+ int64_t lockOutObservationWindow =
+ samdb_result_msds_LockoutObservationWindow(
+ sam_ldb, mem_ctx, domain_dn, user_msg);
+ return dsdb_effective_badPwdCount(user_msg, lockOutObservationWindow, now);
+}
+
+/*
+ * Returns the lockoutThreshold that applies. If a PSO is specified, then that
+ * setting is used over the domain defaults
+ */
+static int64_t get_lockout_threshold(struct ldb_message *domain_msg,
+ struct ldb_message *pso_msg)
+{
+ if (pso_msg != NULL) {
+ return ldb_msg_find_attr_as_int(pso_msg,
+ "msDS-LockoutThreshold", 0);
+ } else {
+ return ldb_msg_find_attr_as_int(domain_msg,
+ "lockoutThreshold", 0);
+ }
+}
+
+/*
+ * Returns the lockOutObservationWindow that applies. If a PSO is specified,
+ * then that setting is used over the domain defaults
+ */
+static int64_t get_lockout_observation_window(struct ldb_message *domain_msg,
+ struct ldb_message *pso_msg)
+{
+ if (pso_msg != NULL) {
+ return ldb_msg_find_attr_as_int64(pso_msg,
+ "msDS-LockoutObservationWindow",
+ DEFAULT_OBSERVATION_WINDOW);
+ } else {
+ return ldb_msg_find_attr_as_int64(domain_msg,
+ "lockOutObservationWindow",
+ DEFAULT_OBSERVATION_WINDOW);
+ }
+}
+
+/*
+ * Prepare an update to the badPwdCount and associated attributes.
+ *
+ * This requires that the user_msg have (if present):
+ * - objectSid
+ * - badPasswordTime
+ * - badPwdCount
+ *
+ * This also requires that the domain_msg have (if present):
+ * - pwdProperties
+ * - lockoutThreshold
+ * - lockOutObservationWindow
+ *
+ * This also requires that the pso_msg have (if present):
+ * - msDS-LockoutThreshold
+ * - msDS-LockoutObservationWindow
+ */
+NTSTATUS dsdb_update_bad_pwd_count(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ struct ldb_message *user_msg,
+ struct ldb_message *domain_msg,
+ struct ldb_message *pso_msg,
+ struct ldb_message **_mod_msg)
+{
+ int ret, badPwdCount;
+ unsigned int i;
+ int64_t lockoutThreshold, lockOutObservationWindow;
+ struct dom_sid *sid;
+ struct timeval tv_now = timeval_current();
+ NTTIME now = timeval_to_nttime(&tv_now);
+ NTSTATUS status;
+ uint32_t pwdProperties, rid = 0;
+ struct ldb_message *mod_msg;
+
+ sid = samdb_result_dom_sid(mem_ctx, user_msg, "objectSid");
+
+ pwdProperties = ldb_msg_find_attr_as_uint(domain_msg,
+ "pwdProperties", -1);
+ if (sid && !(pwdProperties & DOMAIN_PASSWORD_LOCKOUT_ADMINS)) {
+ status = dom_sid_split_rid(NULL, sid, NULL, &rid);
+ if (!NT_STATUS_IS_OK(status)) {
+ /*
+ * This can't happen anyway, but always try
+ * and update the badPwdCount on failure
+ */
+ rid = 0;
+ }
+ }
+ TALLOC_FREE(sid);
+
+ /*
+ * Work out if we are doing password lockout on the domain.
+ * Also, the built in administrator account is exempt:
+ * http://msdn.microsoft.com/en-us/library/windows/desktop/aa375371%28v=vs.85%29.aspx
+ */
+ lockoutThreshold = get_lockout_threshold(domain_msg, pso_msg);
+ if (lockoutThreshold == 0 || (rid == DOMAIN_RID_ADMINISTRATOR)) {
+ DEBUG(5, ("Not updating badPwdCount on %s after wrong password\n",
+ ldb_dn_get_linearized(user_msg->dn)));
+ return NT_STATUS_OK;
+ }
+
+ mod_msg = ldb_msg_new(mem_ctx);
+ if (mod_msg == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ mod_msg->dn = ldb_dn_copy(mod_msg, user_msg->dn);
+ if (mod_msg->dn == NULL) {
+ TALLOC_FREE(mod_msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lockOutObservationWindow = get_lockout_observation_window(domain_msg,
+ pso_msg);
+
+ badPwdCount = dsdb_effective_badPwdCount(user_msg, lockOutObservationWindow, now);
+
+ badPwdCount++;
+
+ ret = samdb_msg_add_int(sam_ctx, mod_msg, mod_msg, "badPwdCount", badPwdCount);
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(mod_msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+ ret = samdb_msg_add_int64(sam_ctx, mod_msg, mod_msg, "badPasswordTime", now);
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(mod_msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (badPwdCount >= lockoutThreshold) {
+ ret = samdb_msg_add_int64(sam_ctx, mod_msg, mod_msg, "lockoutTime", now);
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(mod_msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+ DEBUGC( DBGC_AUTH, 1, ("Locked out user %s after %d wrong passwords\n",
+ ldb_dn_get_linearized(user_msg->dn), badPwdCount));
+ } else {
+ DEBUGC( DBGC_AUTH, 5, ("Updated badPwdCount on %s after %d wrong passwords\n",
+ ldb_dn_get_linearized(user_msg->dn), badPwdCount));
+ }
+
+ /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
+ for (i=0; i< mod_msg->num_elements; i++) {
+ mod_msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
+ }
+
+ *_mod_msg = mod_msg;
+ return NT_STATUS_OK;
+}
+
+/**
+ * Sets defaults for a User object
+ * List of default attributes set:
+ * accountExpires, badPasswordTime, badPwdCount,
+ * codePage, countryCode, lastLogoff, lastLogon
+ * logonCount, pwdLastSet
+ */
+int dsdb_user_obj_set_defaults(struct ldb_context *ldb,
+ struct ldb_message *usr_obj,
+ struct ldb_request *req)
+{
+ size_t i;
+ int ret;
+ const struct attribute_values {
+ const char *name;
+ const char *value;
+ const char *add_value;
+ const char *mod_value;
+ const char *control;
+ unsigned add_flags;
+ unsigned mod_flags;
+ } map[] = {
+ {
+ .name = "accountExpires",
+ .add_value = "9223372036854775807",
+ .mod_value = "0",
+ },
+ {
+ .name = "badPasswordTime",
+ .value = "0"
+ },
+ {
+ .name = "badPwdCount",
+ .value = "0"
+ },
+ {
+ .name = "codePage",
+ .value = "0"
+ },
+ {
+ .name = "countryCode",
+ .value = "0"
+ },
+ {
+ .name = "lastLogoff",
+ .value = "0"
+ },
+ {
+ .name = "lastLogon",
+ .value = "0"
+ },
+ {
+ .name = "logonCount",
+ .value = "0"
+ },
+ {
+ .name = "logonHours",
+ .add_flags = DSDB_FLAG_INTERNAL_FORCE_META_DATA,
+ },
+ {
+ .name = "pwdLastSet",
+ .value = "0",
+ .control = DSDB_CONTROL_PASSWORD_DEFAULT_LAST_SET_OID,
+ },
+ {
+ .name = "adminCount",
+ .mod_value = "0",
+ },
+ {
+ .name = "operatorCount",
+ .mod_value = "0",
+ },
+ };
+
+ for (i = 0; i < ARRAY_SIZE(map); i++) {
+ bool added = false;
+ const char *value = NULL;
+ unsigned flags = 0;
+
+ if (req != NULL && req->operation == LDB_ADD) {
+ value = map[i].add_value;
+ flags = map[i].add_flags;
+ } else {
+ value = map[i].mod_value;
+ flags = map[i].mod_flags;
+ }
+
+ if (value == NULL) {
+ value = map[i].value;
+ }
+
+ if (value != NULL) {
+ flags |= LDB_FLAG_MOD_ADD;
+ }
+
+ if (flags == 0) {
+ continue;
+ }
+
+ ret = samdb_find_or_add_attribute_ex(ldb, usr_obj,
+ map[i].name,
+ value, flags,
+ &added);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (req != NULL && added && map[i].control != NULL) {
+ ret = ldb_request_add_control(req,
+ map[i].control,
+ false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+
+ return LDB_SUCCESS;
+}
+
+/**
+ * Sets 'sAMAccountType on user object based on userAccountControl.
+ * This function is used in processing both 'add' and 'modify' requests.
+ * @param ldb Current ldb_context
+ * @param usr_obj ldb_message representing User object
+ * @param user_account_control Value for userAccountControl flags
+ * @param account_type_p Optional pointer to account_type to return
+ * @return LDB_SUCCESS or LDB_ERR* code on failure
+ */
+int dsdb_user_obj_set_account_type(struct ldb_context *ldb, struct ldb_message *usr_obj,
+ uint32_t user_account_control, uint32_t *account_type_p)
+{
+ int ret;
+ uint32_t account_type;
+
+ account_type = ds_uf2atype(user_account_control);
+ if (account_type == 0) {
+ ldb_set_errstring(ldb, "dsdb: Unrecognized account type!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ ret = samdb_msg_add_uint_flags(ldb, usr_obj, usr_obj,
+ "sAMAccountType",
+ account_type,
+ LDB_FLAG_MOD_REPLACE);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (account_type_p) {
+ *account_type_p = account_type;
+ }
+
+ return LDB_SUCCESS;
+}
+
+/**
+ * Determine and set primaryGroupID based on userAccountControl value.
+ * This function is used in processing both 'add' and 'modify' requests.
+ * @param ldb Current ldb_context
+ * @param usr_obj ldb_message representing User object
+ * @param user_account_control Value for userAccountControl flags
+ * @param group_rid_p Optional pointer to group RID to return
+ * @return LDB_SUCCESS or LDB_ERR* code on failure
+ */
+int dsdb_user_obj_set_primary_group_id(struct ldb_context *ldb, struct ldb_message *usr_obj,
+ uint32_t user_account_control, uint32_t *group_rid_p)
+{
+ int ret;
+ uint32_t rid;
+
+ rid = ds_uf2prim_group_rid(user_account_control);
+
+ ret = samdb_msg_add_uint_flags(ldb, usr_obj, usr_obj,
+ "primaryGroupID", rid,
+ LDB_FLAG_MOD_REPLACE);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (group_rid_p) {
+ *group_rid_p = rid;
+ }
+
+ return LDB_SUCCESS;
+}
+
+/**
+ * Returns True if the source and target DNs both have the same naming context,
+ * i.e. they're both in the same partition.
+ */
+bool dsdb_objects_have_same_nc(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *source_dn,
+ struct ldb_dn *target_dn)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_dn *source_nc = NULL;
+ struct ldb_dn *target_nc = NULL;
+ int ret;
+ bool same_nc = true;
+
+ tmp_ctx = talloc_new(mem_ctx);
+
+ ret = dsdb_find_nc_root(ldb, tmp_ctx, source_dn, &source_nc);
+ /* fix clang warning */
+ if (source_nc == NULL) {
+ ret = LDB_ERR_OTHER;
+ }
+ if (ret != LDB_SUCCESS) {
+ DBG_ERR("Failed to find base DN for source %s: %s\n",
+ ldb_dn_get_linearized(source_dn), ldb_errstring(ldb));
+ talloc_free(tmp_ctx);
+ return true;
+ }
+
+ ret = dsdb_find_nc_root(ldb, tmp_ctx, target_dn, &target_nc);
+ /* fix clang warning */
+ if (target_nc == NULL) {
+ ret = LDB_ERR_OTHER;
+ }
+ if (ret != LDB_SUCCESS) {
+ DBG_ERR("Failed to find base DN for target %s: %s\n",
+ ldb_dn_get_linearized(target_dn), ldb_errstring(ldb));
+ talloc_free(tmp_ctx);
+ return true;
+ }
+
+ same_nc = (ldb_dn_compare(source_nc, target_nc) == 0);
+
+ talloc_free(tmp_ctx);
+
+ return same_nc;
+}
+/*
+ * Context for dsdb_count_domain_callback
+ */
+struct dsdb_count_domain_context {
+ /*
+ * Number of matching records
+ */
+ size_t count;
+ /*
+ * sid of the domain that the records must belong to.
+ * if NULL records can belong to any domain.
+ */
+ struct dom_sid *dom_sid;
+};
+
+/*
+ * @brief ldb aysnc callback for dsdb_domain_count.
+ *
+ * count the number of records in the database matching an LDAP query,
+ * optionally filtering for domain membership.
+ *
+ * @param [in,out] req the ldb request being processed
+ * req->context contains:
+ * count The number of matching records
+ * dom_sid The domain sid, if present records must belong
+ * to the domain to be counted.
+ *@param [in,out] ares The query result.
+ *
+ * @return an LDB error code
+ *
+ */
+static int dsdb_count_domain_callback(
+ struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+
+ if (ares == NULL) {
+ return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (ares->error != LDB_SUCCESS) {
+ int error = ares->error;
+ TALLOC_FREE(ares);
+ return ldb_request_done(req, error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ {
+ struct dsdb_count_domain_context *context = NULL;
+ ssize_t ret;
+ bool in_domain;
+ struct dom_sid sid;
+ const struct ldb_val *v;
+
+ context = req->context;
+ if (context->dom_sid == NULL) {
+ context->count++;
+ break;
+ }
+
+ v = ldb_msg_find_ldb_val(ares->message, "objectSid");
+ if (v == NULL) {
+ break;
+ }
+
+ ret = sid_parse(v->data, v->length, &sid);
+ if (ret == -1) {
+ break;
+ }
+
+ in_domain = dom_sid_in_domain(context->dom_sid, &sid);
+ if (!in_domain) {
+ break;
+ }
+
+ context->count++;
+ break;
+ }
+ case LDB_REPLY_REFERRAL:
+ break;
+
+ case LDB_REPLY_DONE:
+ TALLOC_FREE(ares);
+ return ldb_request_done(req, LDB_SUCCESS);
+ }
+
+ TALLOC_FREE(ares);
+
+ return LDB_SUCCESS;
+}
+
+/*
+ * @brief Count the number of records matching a query.
+ *
+ * Count the number of entries in the database matching the supplied query,
+ * optionally filtering only those entries belonging to the supplied domain.
+ *
+ * @param ldb [in] Current ldb context
+ * @param count [out] Pointer to the count
+ * @param base [in] The base dn for the quey
+ * @param dom_sid [in] The domain sid, if non NULL records that are not a member
+ * of the domain are ignored.
+ * @param scope [in] Search scope.
+ * @param exp_fmt [in] format string for the query.
+ *
+ * @return LDB_STATUS code.
+ */
+int PRINTF_ATTRIBUTE(6, 7) dsdb_domain_count(
+ struct ldb_context *ldb,
+ size_t *count,
+ struct ldb_dn *base,
+ struct dom_sid *dom_sid,
+ enum ldb_scope scope,
+ const char *exp_fmt, ...)
+{
+ TALLOC_CTX *tmp_ctx = NULL;
+ struct ldb_request *req = NULL;
+ struct dsdb_count_domain_context *context = NULL;
+ char *expression = NULL;
+ const char *object_sid[] = {"objectSid", NULL};
+ const char *none[] = {NULL};
+ va_list ap;
+ int ret;
+
+ *count = 0;
+ tmp_ctx = talloc_new(ldb);
+
+ context = talloc_zero(tmp_ctx, struct dsdb_count_domain_context);
+ if (context == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ context->dom_sid = dom_sid;
+
+ if (exp_fmt) {
+ va_start(ap, exp_fmt);
+ expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
+ va_end(ap);
+
+ if (expression == NULL) {
+ TALLOC_FREE(context);
+ TALLOC_FREE(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ }
+
+ ret = ldb_build_search_req(
+ &req,
+ ldb,
+ tmp_ctx,
+ base,
+ scope,
+ expression,
+ (dom_sid == NULL) ? none : object_sid,
+ NULL,
+ context,
+ dsdb_count_domain_callback,
+ NULL);
+ ldb_req_set_location(req, "dsdb_domain_count");
+
+ if (ret != LDB_SUCCESS) goto done;
+
+ ret = ldb_request(ldb, req);
+
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ if (ret == LDB_SUCCESS) {
+ *count = context->count;
+ }
+ }
+
+
+done:
+ TALLOC_FREE(expression);
+ TALLOC_FREE(req);
+ TALLOC_FREE(context);
+ TALLOC_FREE(tmp_ctx);
+
+ return ret;
+}
+
+/*
+ * Returns 1 if 'sids' contains the Protected Users group SID for the domain, 0
+ * if not. Returns a negative value on error.
+ */
+int dsdb_is_protected_user(struct ldb_context *ldb,
+ const struct dom_sid *sids,
+ uint32_t num_sids)
+{
+ const struct dom_sid *domain_sid = NULL;
+ struct dom_sid protected_users_sid;
+ uint32_t i;
+
+ domain_sid = samdb_domain_sid(ldb);
+ if (domain_sid == NULL) {
+ return -1;
+ }
+
+ protected_users_sid = *domain_sid;
+ if (!sid_append_rid(&protected_users_sid, DOMAIN_RID_PROTECTED_USERS)) {
+ return -1;
+ }
+
+ for (i = 0; i < num_sids; ++i) {
+ if (dom_sid_equal(&protected_users_sid, &sids[i])) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
diff --git a/source4/dsdb/common/util.h b/source4/dsdb/common/util.h
new file mode 100644
index 0000000..5bb96d6
--- /dev/null
+++ b/source4/dsdb/common/util.h
@@ -0,0 +1,103 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+
+ Copyright (C) Andrew Tridgell 2010
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __DSDB_COMMON_UTIL_H__
+#define __DSDB_COMMON_UTIL_H__
+
+/*
+ flags for dsdb_request_add_controls(). For the module functions,
+ the upper 16 bits are in dsdb/samdb/ldb_modules/util.h
+*/
+#define DSDB_SEARCH_SEARCH_ALL_PARTITIONS 0x00001
+#define DSDB_SEARCH_SHOW_DELETED 0x00002
+#define DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT 0x00004
+#define DSDB_SEARCH_REVEAL_INTERNALS 0x00008
+#define DSDB_SEARCH_SHOW_EXTENDED_DN 0x00010
+#define DSDB_MODIFY_RELAX 0x00020
+#define DSDB_MODIFY_PERMISSIVE 0x00040
+#define DSDB_FLAG_AS_SYSTEM 0x00080
+#define DSDB_TREE_DELETE 0x00100
+#define DSDB_SEARCH_ONE_ONLY 0x00200 /* give an error unless 1 record */
+#define DSDB_SEARCH_SHOW_RECYCLED 0x00400
+#define DSDB_PROVISION 0x00800
+#define DSDB_BYPASS_PASSWORD_HASH 0x01000
+#define DSDB_SEARCH_NO_GLOBAL_CATALOG 0x02000
+#define DSDB_MODIFY_PARTIAL_REPLICA 0x04000
+#define DSDB_PASSWORD_BYPASS_LAST_SET 0x08000
+#define DSDB_REPLMD_VANISH_LINKS 0x10000
+#define DSDB_MARK_REQ_UNTRUSTED 0x20000
+
+bool is_attr_in_list(const char * const * attrs, const char *attr);
+
+#define DSDB_SECRET_ATTRIBUTES_EX(sep) \
+ "pekList" sep \
+ "msDS-ExecuteScriptPassword" sep \
+ "currentValue" sep \
+ "dBCSPwd" sep \
+ "initialAuthIncoming" sep \
+ "initialAuthOutgoing" sep \
+ "lmPwdHistory" sep \
+ "ntPwdHistory" sep \
+ "priorValue" sep \
+ "supplementalCredentials" sep \
+ "trustAuthIncoming" sep \
+ "trustAuthOutgoing" sep \
+ "unicodePwd" sep \
+ "clearTextPassword"
+
+#define DSDB_SECRET_ATTRIBUTES_COMMA ,
+#define DSDB_SECRET_ATTRIBUTES DSDB_SECRET_ATTRIBUTES_EX(DSDB_SECRET_ATTRIBUTES_COMMA)
+
+#define DSDB_PASSWORD_ATTRIBUTES \
+ "userPassword", \
+ "clearTextPassword", \
+ "unicodePwd", \
+ "dBCSPwd"
+
+/*
+ * ldb opaque values used to pass the user session information to ldb modules
+ */
+#define DSDB_SESSION_INFO "sessionInfo"
+#define DSDB_NETWORK_SESSION_INFO "networkSessionInfo"
+
+struct GUID;
+
+struct ldb_context;
+
+int dsdb_werror_at(struct ldb_context *ldb, int ldb_ecode, WERROR werr,
+ const char *location, const char *func,
+ const char *reason);
+
+#define dsdb_module_werror(module, ldb_ecode, werr, reason) \
+ dsdb_werror_at(ldb_module_get_ctx(module), ldb_ecode, werr, \
+ __location__, __func__, reason)
+
+
+struct dsdb_ldb_dn_list_node {
+ struct dsdb_ldb_dn_list_node *prev, *next;
+
+ /* the dn of the partition */
+ struct ldb_dn *dn;
+};
+
+
+
+#endif /* __DSDB_COMMON_UTIL_H__ */
diff --git a/source4/dsdb/common/util_groups.c b/source4/dsdb/common/util_groups.c
new file mode 100644
index 0000000..c2075de
--- /dev/null
+++ b/source4/dsdb/common/util_groups.c
@@ -0,0 +1,199 @@
+/*
+ Unix SMB/CIFS implementation.
+ Password and authentication handling
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2010
+ Copyright (C) Stefan Metzmacher 2005
+ Copyright (C) Matthias Dieter Wallnöfer 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "auth/auth.h"
+#include <ldb.h>
+#include "dsdb/samdb/samdb.h"
+#include "libcli/security/security.h"
+#include "dsdb/common/util.h"
+
+/* This function tests if a SID structure "sids" contains the SID "sid" */
+static bool sids_contains_sid(const struct dom_sid *sids,
+ const unsigned int num_sids,
+ const struct dom_sid *sid)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_sids; i++) {
+ if (dom_sid_equal(&sids[i], sid))
+ return true;
+ }
+ return false;
+}
+
+/*
+ * This function generates the transitive closure of a given SAM object "dn_val"
+ * (it basically expands nested memberships).
+ * If the object isn't located in the "res_sids" structure yet and the
+ * "only_childs" flag is false, we add it to "res_sids".
+ * Then we've always to consider the "memberOf" attributes. We invoke the
+ * function recursively on each of it with the "only_childs" flag set to
+ * "false".
+ * The "only_childs" flag is particularly useful if you have a user object and
+ * want to include all it's groups (referenced with "memberOf") but not itself
+ * or considering if that object matches the filter.
+ *
+ * At the beginning "res_sids" should reference to a NULL pointer.
+ */
+NTSTATUS dsdb_expand_nested_groups(struct ldb_context *sam_ctx,
+ struct ldb_val *dn_val, const bool only_childs, const char *filter,
+ TALLOC_CTX *res_sids_ctx, struct dom_sid **res_sids,
+ unsigned int *num_res_sids)
+{
+ const char * const attrs[] = { "memberOf", NULL };
+ unsigned int i;
+ int ret;
+ bool already_there;
+ struct ldb_dn *dn;
+ struct dom_sid sid;
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_result *res;
+ NTSTATUS status;
+ const struct ldb_message_element *el;
+
+ if (*res_sids == NULL) {
+ *num_res_sids = 0;
+ }
+
+ if (!sam_ctx) {
+ DEBUG(0, ("No SAM available, cannot determine local groups\n"));
+ return NT_STATUS_INVALID_SYSTEM_SERVICE;
+ }
+
+ tmp_ctx = talloc_new(res_sids_ctx);
+
+ dn = ldb_dn_from_ldb_val(tmp_ctx, sam_ctx, dn_val);
+ if (dn == NULL) {
+ talloc_free(tmp_ctx);
+ DEBUG(0, (__location__ ": we failed parsing DN %.*s, so we cannot calculate the group token\n",
+ (int)dn_val->length, dn_val->data));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ status = dsdb_get_extended_dn_sid(dn, &sid, "SID");
+ if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ /* If we fail finding a SID then this is no error since it could
+ * be a non SAM object - e.g. a group with object class
+ * "groupOfNames" */
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+ } else if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, (__location__ ": when parsing DN '%s' we failed to parse it's SID component, so we cannot calculate the group token: %s\n",
+ ldb_dn_get_extended_linearized(tmp_ctx, dn, 1),
+ nt_errstr(status)));
+ talloc_free(tmp_ctx);
+ return status;
+ }
+
+ if (!ldb_dn_minimise(dn)) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ if (only_childs) {
+ ret = dsdb_search_dn(sam_ctx, tmp_ctx, &res, dn, attrs,
+ DSDB_SEARCH_SHOW_EXTENDED_DN);
+ } else {
+ /* This is an O(n^2) linear search */
+ already_there = sids_contains_sid(*res_sids,
+ *num_res_sids, &sid);
+ if (already_there) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+ }
+
+ ret = dsdb_search(sam_ctx, tmp_ctx, &res, dn, LDB_SCOPE_BASE,
+ attrs, DSDB_SEARCH_SHOW_EXTENDED_DN, "%s",
+ filter);
+ }
+
+ /*
+ * We have the problem with the caller creating a <SID=S-....>
+ * DN for ForeignSecurityPrincipals as they also have
+ * duplicate objects with the SAME SID under CN=Configuration.
+ * This causes a SID= DN to fail with NO_SUCH_OBJECT on Samba
+ * and on Windows. So, we allow this to fail, and
+ * double-check if we can find it with a search in the main
+ * domain partition.
+ */
+ if (ret == LDB_ERR_NO_SUCH_OBJECT && only_childs) {
+ char *sid_string = dom_sid_string(tmp_ctx,
+ &sid);
+ if (!sid_string) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+ }
+
+ ret = dsdb_search(sam_ctx, tmp_ctx, &res,
+ ldb_get_default_basedn(sam_ctx),
+ LDB_SCOPE_SUBTREE,
+ attrs, DSDB_SEARCH_SHOW_EXTENDED_DN,
+ "(&(objectClass=foreignSecurityPrincipal)(objectSID=%s))",
+ sid_string);
+ }
+
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+ }
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1, (__location__ ": dsdb_search for %s failed: %s\n",
+ ldb_dn_get_extended_linearized(tmp_ctx, dn, 1),
+ ldb_errstring(sam_ctx)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ /* We may get back 0 results, if the SID didn't match the filter - such as it wasn't a domain group, for example */
+ if (res->count != 1) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+ }
+
+ /* We only apply this test once we know the SID matches the filter */
+ if (!only_childs) {
+ *res_sids = talloc_realloc(res_sids_ctx, *res_sids,
+ struct dom_sid, *num_res_sids + 1);
+ if (*res_sids == NULL) {
+ TALLOC_FREE(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+ (*res_sids)[*num_res_sids] = sid;
+ ++(*num_res_sids);
+ }
+
+ el = ldb_msg_find_element(res->msgs[0], "memberOf");
+
+ for (i = 0; el && i < el->num_values; i++) {
+ status = dsdb_expand_nested_groups(sam_ctx, &el->values[i],
+ false, filter, res_sids_ctx, res_sids, num_res_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(tmp_ctx);
+ return status;
+ }
+ }
+
+ talloc_free(tmp_ctx);
+
+ return NT_STATUS_OK;
+}
diff --git a/source4/dsdb/common/util_links.c b/source4/dsdb/common/util_links.c
new file mode 100644
index 0000000..08fc2d6
--- /dev/null
+++ b/source4/dsdb/common/util_links.c
@@ -0,0 +1,229 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Helpers to search for links in the DB
+
+ Copyright (C) Catalyst.Net Ltd 2017
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "dsdb/samdb/samdb.h"
+#include "lib/util/binsearch.h"
+#include "librpc/gen_ndr/ndr_misc.h"
+
+/*
+ * We choose, as the sort order, the same order as is used in DRS replication,
+ * which is the memcmp() order of the NDR GUID, not that obtained from
+ * GUID_compare().
+ *
+ * This means that sorted links will be in the same order as a new DC would
+ * see them.
+ */
+int ndr_guid_compare(const struct GUID *guid1, const struct GUID *guid2)
+{
+ uint8_t v1_data[16] = { 0 };
+ struct ldb_val v1 = data_blob_const(v1_data, sizeof(v1_data));
+ uint8_t v2_data[16];
+ struct ldb_val v2 = data_blob_const(v2_data, sizeof(v2_data));
+
+ /* This can't fail */
+ ndr_push_struct_into_fixed_blob(&v1, guid1,
+ (ndr_push_flags_fn_t)ndr_push_GUID);
+ /* This can't fail */
+ ndr_push_struct_into_fixed_blob(&v2, guid2,
+ (ndr_push_flags_fn_t)ndr_push_GUID);
+ return data_blob_cmp(&v1, &v2);
+}
+
+
+static int la_guid_compare_with_trusted_dn(struct compare_ctx *ctx,
+ struct parsed_dn *p)
+{
+ int cmp = 0;
+ /*
+ * This works like a standard compare function in its return values,
+ * but has an extra trick to deal with errors: zero is returned and
+ * ctx->err is set to the ldb error code.
+ *
+ * That is, if (as is expected in most cases) you get a non-zero
+ * result, you don't need to check for errors.
+ *
+ * We assume the second argument refers to a DN is from the database
+ * and has a GUID -- but this GUID might not have been parsed out yet.
+ */
+ if (p->dsdb_dn == NULL) {
+ int ret = really_parse_trusted_dn(ctx->mem_ctx, ctx->ldb, p,
+ ctx->ldap_oid);
+ if (ret != LDB_SUCCESS) {
+ ctx->err = ret;
+ return 0;
+ }
+ }
+ cmp = ndr_guid_compare(ctx->guid, &p->guid);
+ if (cmp == 0 && ctx->compare_extra_part) {
+ if (ctx->partial_extra_part_length != 0) {
+ /* Allow a prefix match on the blob. */
+ return memcmp(ctx->extra_part.data,
+ p->dsdb_dn->extra_part.data,
+ MIN(ctx->partial_extra_part_length,
+ p->dsdb_dn->extra_part.length));
+ } else {
+ return data_blob_cmp(&ctx->extra_part,
+ &p->dsdb_dn->extra_part);
+ }
+ }
+
+ return cmp;
+}
+
+/* When a parsed_dn comes from the database, sometimes it is not really parsed. */
+
+int really_parse_trusted_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
+ struct parsed_dn *pdn, const char *ldap_oid)
+{
+ NTSTATUS status;
+ struct dsdb_dn *dsdb_dn = dsdb_dn_parse_trusted(mem_ctx, ldb, pdn->v,
+ ldap_oid);
+ if (dsdb_dn == NULL) {
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ status = dsdb_get_extended_dn_guid(dsdb_dn->dn, &pdn->guid, "GUID");
+ if (!NT_STATUS_IS_OK(status)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ pdn->dsdb_dn = dsdb_dn;
+ return LDB_SUCCESS;
+}
+
+
+int get_parsed_dns_trusted(TALLOC_CTX *mem_ctx, struct ldb_message_element *el,
+ struct parsed_dn **pdn)
+{
+ /* Here we get a list of 'struct parsed_dns' without the parsing */
+ unsigned int i;
+ *pdn = talloc_zero_array(mem_ctx, struct parsed_dn,
+ el->num_values);
+ if (!*pdn) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ for (i = 0; i < el->num_values; i++) {
+ (*pdn)[i].v = &el->values[i];
+ }
+
+ return LDB_SUCCESS;
+}
+
+
+int parsed_dn_find(struct ldb_context *ldb, struct parsed_dn *pdn,
+ unsigned int count,
+ const struct GUID *guid,
+ struct ldb_dn *target_dn,
+ DATA_BLOB extra_part,
+ size_t partial_extra_part_length,
+ struct parsed_dn **exact,
+ struct parsed_dn **next,
+ const char *ldap_oid,
+ bool compare_extra_part)
+{
+ unsigned int i;
+ struct compare_ctx ctx;
+ if (pdn == NULL) {
+ *exact = NULL;
+ *next = NULL;
+ return LDB_SUCCESS;
+ }
+
+ if (unlikely(GUID_all_zero(guid))) {
+ /*
+ * When updating a link using DRS, we sometimes get a NULL
+ * GUID when a forward link has been deleted and its GUID has
+ * for some reason been forgotten. The best we can do is try
+ * and match by DN via a linear search. Note that this
+ * probably only happens in the ADD case, in which we only
+ * allow modification of link if it is already deleted, so
+ * this seems very close to an elaborate NO-OP, but we are not
+ * quite prepared to declare it so.
+ *
+ * If the DN is not in our list, we have to add it to the
+ * beginning of the list, where it would naturally sort.
+ */
+ struct parsed_dn *p;
+ if (target_dn == NULL) {
+ /* We don't know the target DN, so we can't search for DN */
+ DEBUG(1, ("parsed_dn_find has a NULL GUID for a linked "
+ "attribute but we don't have a DN to compare "
+ "it with\n"));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *exact = NULL;
+ *next = NULL;
+
+ DEBUG(3, ("parsed_dn_find has a NULL GUID for a link to DN "
+ "%s; searching through links for it",
+ ldb_dn_get_linearized(target_dn)));
+
+ for (i = 0; i < count; i++) {
+ int cmp;
+ p = &pdn[i];
+ if (p->dsdb_dn == NULL) {
+ int ret = really_parse_trusted_dn(pdn, ldb, p, ldap_oid);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ }
+
+ cmp = ldb_dn_compare(p->dsdb_dn->dn, target_dn);
+ if (cmp == 0) {
+ *exact = p;
+ return LDB_SUCCESS;
+ }
+ }
+ /*
+ * Here we have a null guid which doesn't match any existing
+ * link. This is a bit unexpected because null guids occur
+ * when a forward link has been deleted and we are replicating
+ * that deletion.
+ *
+ * The best thing to do is weep into the logs and add the
+ * offending link to the beginning of the list which is
+ * at least the correct sort position.
+ */
+ DEBUG(1, ("parsed_dn_find has been given a NULL GUID for a "
+ "link to unknown DN %s\n",
+ ldb_dn_get_linearized(target_dn)));
+ *next = pdn;
+ return LDB_SUCCESS;
+ }
+
+ ctx.guid = guid;
+ ctx.ldb = ldb;
+ ctx.mem_ctx = pdn;
+ ctx.ldap_oid = ldap_oid;
+ ctx.extra_part = extra_part;
+ ctx.partial_extra_part_length = partial_extra_part_length;
+ ctx.compare_extra_part = compare_extra_part;
+ ctx.err = 0;
+
+ BINARY_ARRAY_SEARCH_GTE(pdn, count, &ctx, la_guid_compare_with_trusted_dn,
+ *exact, *next);
+
+ if (ctx.err != 0) {
+ return ctx.err;
+ }
+ return LDB_SUCCESS;
+}
diff --git a/source4/dsdb/common/util_links.h b/source4/dsdb/common/util_links.h
new file mode 100644
index 0000000..e6dc41b
--- /dev/null
+++ b/source4/dsdb/common/util_links.h
@@ -0,0 +1,48 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Helpers to search for links in the DB
+
+ Copyright (C) Catalyst.Net Ltd 2017
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __DSDB_COMMON_UTIL_LINKS_H__
+#define __DSDB_COMMON_UTIL_LINKS_H__
+
+struct compare_ctx {
+ const struct GUID *guid;
+ struct ldb_context *ldb;
+ TALLOC_CTX *mem_ctx;
+ const char *ldap_oid;
+ int err;
+ const struct GUID *invocation_id;
+ DATA_BLOB extra_part;
+ size_t partial_extra_part_length;
+ bool compare_extra_part;
+};
+
+struct parsed_dn {
+ struct dsdb_dn *dsdb_dn;
+ struct GUID guid;
+ struct ldb_val *v;
+};
+
+
+int get_parsed_dns_trusted(TALLOC_CTX *mem_ctx,
+ struct ldb_message_element *el,
+ struct parsed_dn **pdn);
+
+#endif /* __DSDB_COMMON_UTIL_LINKS_H__ */
diff --git a/source4/dsdb/common/util_samr.c b/source4/dsdb/common/util_samr.c
new file mode 100644
index 0000000..89339c1
--- /dev/null
+++ b/source4/dsdb/common/util_samr.c
@@ -0,0 +1,567 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Helpers to add users and groups to the DB
+
+ Copyright (C) Andrew Tridgell 2004
+ Copyright (C) Volker Lendecke 2004
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2010
+ Copyright (C) Matthias Dieter Wallnöfer 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "dsdb/samdb/samdb.h"
+#include "dsdb/common/util.h"
+#include "../libds/common/flags.h"
+#include "libcli/security/security.h"
+
+#include "libds/common/flag_mapping.h"
+
+/* Add a user, SAMR style, including the correct transaction
+ * semantics. Used by the SAMR server and by pdb_samba4 */
+NTSTATUS dsdb_add_user(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const char *account_name,
+ uint32_t acct_flags,
+ const struct dom_sid *forced_sid,
+ struct dom_sid **sid,
+ struct ldb_dn **dn)
+{
+ const char *name;
+ struct ldb_message *msg;
+ int ret;
+ const char *container, *obj_class=NULL;
+ char *cn_name;
+ size_t cn_name_len;
+
+ const char *attrs[] = {
+ "objectSid",
+ "userAccountControl",
+ NULL
+ };
+
+ uint32_t user_account_control;
+ struct ldb_dn *account_dn;
+ struct dom_sid *account_sid;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
+
+ /*
+ * Start a transaction, so we can query and do a subsequent atomic
+ * modify
+ */
+
+ ret = ldb_transaction_start(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,("Failed to start a transaction for user creation: %s\n",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_LOCK_NOT_GRANTED;
+ }
+
+ /* check if the user already exists */
+ name = samdb_search_string(ldb, tmp_ctx, NULL,
+ "sAMAccountName",
+ "(&(sAMAccountName=%s)(objectclass=user))",
+ ldb_binary_encode_string(tmp_ctx, account_name));
+ if (name != NULL) {
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_USER_EXISTS;
+ }
+
+ cn_name = talloc_strdup(tmp_ctx, account_name);
+ if (!cn_name) {
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ cn_name_len = strlen(cn_name);
+ if (cn_name_len < 1) {
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ msg = ldb_msg_new(tmp_ctx);
+ if (msg == NULL) {
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* This must be one of these values *only* */
+ if (acct_flags == ACB_NORMAL) {
+ container = "CN=Users";
+ obj_class = "user";
+ user_account_control = UF_NORMAL_ACCOUNT;
+ } else if (acct_flags == ACB_WSTRUST) {
+ if (cn_name[cn_name_len - 1] != '$') {
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_FOOBAR;
+ }
+ cn_name[cn_name_len - 1] = '\0';
+ container = "CN=Computers";
+ obj_class = "computer";
+ user_account_control = UF_WORKSTATION_TRUST_ACCOUNT;
+
+ } else if (acct_flags == ACB_SVRTRUST) {
+ if (cn_name[cn_name_len - 1] != '$') {
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_FOOBAR;
+ }
+ cn_name[cn_name_len - 1] = '\0';
+ container = "OU=Domain Controllers";
+ obj_class = "computer";
+ user_account_control = UF_SERVER_TRUST_ACCOUNT;
+ } else if (acct_flags == ACB_DOMTRUST) {
+ DEBUG(3, ("Invalid account flags specified: cannot create domain trusts via this interface (must use LSA CreateTrustedDomain calls\n"));
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INVALID_PARAMETER;
+ } else {
+ DEBUG(3, ("Invalid account flags specified 0x%08X, must be exactly one of \n"
+ "ACB_NORMAL (0x%08X) ACB_WSTRUST (0x%08X) or ACB_SVRTRUST (0x%08X)\n",
+ acct_flags,
+ ACB_NORMAL, ACB_WSTRUST, ACB_SVRTRUST));
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ user_account_control |= UF_ACCOUNTDISABLE | UF_PASSWD_NOTREQD;
+
+ /* add core elements to the ldb_message for the user */
+ msg->dn = ldb_dn_copy(msg, ldb_get_default_basedn(ldb));
+ if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s,%s", cn_name, container)) {
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_FOOBAR;
+ }
+
+ ret = ldb_msg_add_string(msg, "sAMAccountName", account_name);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+ ret = ldb_msg_add_string(msg, "objectClass", obj_class);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+ ret = samdb_msg_add_uint(ldb, tmp_ctx, msg,
+ "userAccountControl",
+ user_account_control);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ /* This is only here for migrations using pdb_samba4, the
+ * caller and the samldb are responsible for ensuring it makes
+ * sense */
+ if (forced_sid) {
+ ret = samdb_msg_add_dom_sid(ldb, msg, msg, "objectSID", forced_sid);
+ if (ret != LDB_SUCCESS) {
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+ }
+
+ /* create the user */
+ ret = ldb_add(ldb, msg);
+ switch (ret) {
+ case LDB_SUCCESS:
+ break;
+ case LDB_ERR_ENTRY_ALREADY_EXISTS:
+ ldb_transaction_cancel(ldb);
+ DEBUG(0,("Failed to create user record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_USER_EXISTS;
+ case LDB_ERR_UNWILLING_TO_PERFORM:
+ case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
+ ldb_transaction_cancel(ldb);
+ DEBUG(0,("Failed to create user record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_ACCESS_DENIED;
+ default:
+ ldb_transaction_cancel(ldb);
+ DEBUG(0,("Failed to create user record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ account_dn = msg->dn;
+
+ /* retrieve the sid and account control bits for the user just created */
+ ret = dsdb_search_one(ldb, tmp_ctx, &msg,
+ account_dn, LDB_SCOPE_BASE, attrs, 0, NULL);
+
+ if (ret != LDB_SUCCESS) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(0,("Can't locate the account we just created %s: %s\n",
+ ldb_dn_get_linearized(account_dn), ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ account_sid = samdb_result_dom_sid(tmp_ctx, msg, "objectSid");
+ if (account_sid == NULL) {
+ ldb_transaction_cancel(ldb);
+ DEBUG(0,("Apparently we failed to get the objectSid of the just created account record %s\n",
+ ldb_dn_get_linearized(msg->dn)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ ret = ldb_transaction_commit(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,("Failed to commit transaction to add and modify account record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ *dn = talloc_steal(mem_ctx, account_dn);
+ if (sid) {
+ *sid = talloc_steal(mem_ctx, account_sid);
+ }
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+
+ failed:
+ ldb_transaction_cancel(ldb);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_ERROR;
+}
+
+/*
+ called by samr_CreateDomainGroup and pdb_samba4
+*/
+NTSTATUS dsdb_add_domain_group(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const char *groupname,
+ struct dom_sid **sid,
+ struct ldb_dn **dn)
+{
+ const char *name;
+ struct ldb_message *msg;
+ struct dom_sid *group_sid;
+ int ret;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
+
+ /* check if the group already exists */
+ name = samdb_search_string(ldb, tmp_ctx, NULL,
+ "sAMAccountName",
+ "(&(sAMAccountName=%s)(objectclass=group))",
+ ldb_binary_encode_string(tmp_ctx, groupname));
+ if (name != NULL) {
+ return NT_STATUS_GROUP_EXISTS;
+ }
+
+ msg = ldb_msg_new(tmp_ctx);
+ if (msg == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* add core elements to the ldb_message for the user */
+ msg->dn = ldb_dn_copy(tmp_ctx, ldb_get_default_basedn(ldb));
+ ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=Users", groupname);
+ if (!msg->dn) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+ ldb_msg_add_string(msg, "sAMAccountName", groupname);
+ ldb_msg_add_string(msg, "objectClass", "group");
+
+ /* create the group */
+ ret = ldb_add(ldb, msg);
+ switch (ret) {
+ case LDB_SUCCESS:
+ break;
+ case LDB_ERR_ENTRY_ALREADY_EXISTS:
+ DEBUG(0,("Failed to create group record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_GROUP_EXISTS;
+ case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
+ DEBUG(0,("Failed to create group record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_ACCESS_DENIED;
+ default:
+ DEBUG(0,("Failed to create group record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ /* retrieve the sid for the group just created */
+ group_sid = samdb_search_dom_sid(ldb, tmp_ctx,
+ msg->dn, "objectSid", NULL);
+ if (group_sid == NULL) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ *dn = talloc_steal(mem_ctx, msg->dn);
+ *sid = talloc_steal(mem_ctx, group_sid);
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_add_domain_alias(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const char *alias_name,
+ struct dom_sid **sid,
+ struct ldb_dn **dn)
+{
+ const char *name;
+ struct ldb_message *msg;
+ struct dom_sid *alias_sid;
+ int ret;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
+
+ if (ldb_transaction_start(ldb) != LDB_SUCCESS) {
+ DEBUG(0, ("Failed to start transaction in dsdb_add_domain_alias(): %s\n", ldb_errstring(ldb)));
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ /* Check if alias already exists */
+ name = samdb_search_string(ldb, tmp_ctx, NULL,
+ "sAMAccountName",
+ "(sAMAccountName=%s)(objectclass=group))",
+ ldb_binary_encode_string(mem_ctx, alias_name));
+
+ if (name != NULL) {
+ talloc_free(tmp_ctx);
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_ALIAS_EXISTS;
+ }
+
+ msg = ldb_msg_new(tmp_ctx);
+ if (msg == NULL) {
+ talloc_free(tmp_ctx);
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* add core elements to the ldb_message for the alias */
+ msg->dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(ldb));
+ ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=Users", alias_name);
+ if (!msg->dn) {
+ talloc_free(tmp_ctx);
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ldb_msg_add_string(msg, "sAMAccountName", alias_name);
+ ldb_msg_add_string(msg, "objectClass", "group");
+ samdb_msg_add_int(ldb, mem_ctx, msg, "groupType", GTYPE_SECURITY_DOMAIN_LOCAL_GROUP);
+
+ /* create the alias */
+ ret = ldb_add(ldb, msg);
+ switch (ret) {
+ case LDB_SUCCESS:
+ break;
+ case LDB_ERR_ENTRY_ALREADY_EXISTS:
+ talloc_free(tmp_ctx);
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_ALIAS_EXISTS;
+ case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
+ talloc_free(tmp_ctx);
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_ACCESS_DENIED;
+ default:
+ DEBUG(0,("Failed to create alias record %s: %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ ldb_transaction_cancel(ldb);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ /* retrieve the sid for the alias just created */
+ alias_sid = samdb_search_dom_sid(ldb, tmp_ctx,
+ msg->dn, "objectSid", NULL);
+
+ if (ldb_transaction_commit(ldb) != LDB_SUCCESS) {
+ DEBUG(0, ("Failed to commit transaction in dsdb_add_domain_alias(): %s\n",
+ ldb_errstring(ldb)));
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ *dn = talloc_steal(mem_ctx, msg->dn);
+ *sid = talloc_steal(mem_ctx, alias_sid);
+ talloc_free(tmp_ctx);
+
+
+ return NT_STATUS_OK;
+}
+
+/* Return the members of this group (which may be a domain group or an alias) */
+NTSTATUS dsdb_enum_group_mem(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *dn,
+ struct dom_sid **members_out,
+ unsigned int *pnum_members)
+{
+ struct ldb_message *msg;
+ unsigned int i, j;
+ int ret;
+ struct dom_sid *members;
+ struct ldb_message_element *member_el;
+ const char *attrs[] = { "member", NULL };
+ NTSTATUS status;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
+
+ ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE, attrs,
+ DSDB_SEARCH_SHOW_EXTENDED_DN, NULL);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("dsdb_enum_group_mem: dsdb_search for %s failed: %s\n",
+ ldb_dn_get_linearized(dn), ldb_errstring(ldb)));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ member_el = ldb_msg_find_element(msg, "member");
+ if (!member_el) {
+ *members_out = NULL;
+ *pnum_members = 0;
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+ }
+
+ members = talloc_array(mem_ctx, struct dom_sid, member_el->num_values);
+ if (members == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ j = 0;
+ for (i=0; i <member_el->num_values; i++) {
+ struct ldb_dn *member_dn = ldb_dn_from_ldb_val(tmp_ctx, ldb,
+ &member_el->values[i]);
+ if (!member_dn || !ldb_dn_validate(member_dn)) {
+ DEBUG(1, ("Could not parse %*.*s as a DN\n",
+ (int)member_el->values[i].length,
+ (int)member_el->values[i].length,
+ (const char *)member_el->values[i].data));
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ status = dsdb_get_extended_dn_sid(member_dn, &members[j],
+ "SID");
+ if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ /* If we fail finding a SID then this is no error since
+ * it could be a non SAM object - e.g. a contact */
+ continue;
+ } else if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("When parsing DN '%s' we failed to parse it's SID component, so we cannot fetch the membership: %s\n",
+ ldb_dn_get_extended_linearized(tmp_ctx, member_dn, 1),
+ nt_errstr(status)));
+ talloc_free(tmp_ctx);
+ return status;
+ }
+
+ ++j;
+ }
+
+ *members_out = members;
+ *pnum_members = j;
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_lookup_rids(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const struct dom_sid *domain_sid,
+ unsigned int num_rids,
+ uint32_t *rids,
+ const char **names,
+ enum lsa_SidType *lsa_attrs)
+{
+ const char *attrs[] = { "sAMAccountType", "sAMAccountName", NULL };
+ unsigned int i, num_mapped;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
+
+ num_mapped = 0;
+
+ for (i=0; i<num_rids; i++) {
+ struct ldb_message *msg;
+ struct ldb_dn *dn;
+ uint32_t attr;
+ int rc;
+
+ lsa_attrs[i] = SID_NAME_UNKNOWN;
+
+ dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<SID=%s>",
+ dom_sid_string(tmp_ctx,
+ dom_sid_add_rid(tmp_ctx, domain_sid,
+ rids[i])));
+ if (dn == NULL) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+ rc = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE, attrs, 0, "samAccountName=*");
+ if (rc == LDB_ERR_NO_SUCH_OBJECT) {
+ continue;
+ } else if (rc != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ names[i] = ldb_msg_find_attr_as_string(msg, "samAccountName", NULL);
+ if (names[i] == NULL) {
+ DEBUG(10, ("no samAccountName\n"));
+ continue;
+ }
+ talloc_steal(names, names[i]);
+ attr = ldb_msg_find_attr_as_uint(msg, "samAccountType", 0);
+ lsa_attrs[i] = ds_atype_map(attr);
+ if (lsa_attrs[i] == SID_NAME_UNKNOWN) {
+ continue;
+ }
+ num_mapped += 1;
+ }
+ talloc_free(tmp_ctx);
+
+ if (num_mapped == 0) {
+ return NT_STATUS_NONE_MAPPED;
+ }
+ if (num_mapped < num_rids) {
+ return STATUS_SOME_UNMAPPED;
+ }
+ return NT_STATUS_OK;
+}
+
diff --git a/source4/dsdb/common/util_trusts.c b/source4/dsdb/common/util_trusts.c
new file mode 100644
index 0000000..fd1aa2b
--- /dev/null
+++ b/source4/dsdb/common/util_trusts.c
@@ -0,0 +1,3444 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Copyright (C) Stefan Metzmacher 2015
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "ldb.h"
+#include "../lib/util/util_ldb.h"
+#include "dsdb/samdb/samdb.h"
+#include "libcli/security/security.h"
+#include "librpc/gen_ndr/ndr_security.h"
+#include "librpc/gen_ndr/ndr_misc.h"
+#include "../libds/common/flags.h"
+#include "dsdb/common/proto.h"
+#include "param/param.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "lib/util/tsort.h"
+#include "dsdb/common/util.h"
+#include "libds/common/flag_mapping.h"
+#include "../lib/util/dlinklist.h"
+#include "lib/crypto/md4.h"
+#include "libcli/ldap/ldap_ndr.h"
+
+#undef strcasecmp
+
+NTSTATUS dsdb_trust_forest_info_from_lsa(TALLOC_CTX *mem_ctx,
+ const struct lsa_ForestTrustInformation *lfti,
+ struct ForestTrustInfo **_fti)
+{
+ struct ForestTrustInfo *fti;
+ uint32_t i;
+
+ *_fti = NULL;
+
+ fti = talloc_zero(mem_ctx, struct ForestTrustInfo);
+ if (fti == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ fti->version = 1;
+ fti->count = lfti->count;
+ fti->records = talloc_zero_array(mem_ctx,
+ struct ForestTrustInfoRecordArmor,
+ fti->count);
+ if (fti->records == NULL) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i = 0; i < fti->count; i++) {
+ const struct lsa_ForestTrustRecord *lftr = lfti->entries[i];
+ struct ForestTrustInfoRecord *ftr = &fti->records[i].record;
+ struct ForestTrustString *str = NULL;
+ const struct lsa_StringLarge *lstr = NULL;
+ const struct lsa_ForestTrustDomainInfo *linfo = NULL;
+ struct ForestTrustDataDomainInfo *info = NULL;
+
+ if (lftr == NULL) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ ftr->flags = lftr->flags;
+ ftr->timestamp = lftr->time;
+ ftr->type = (enum ForestTrustInfoRecordType)lftr->type;
+
+ switch (lftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ lstr = &lftr->forest_trust_data.top_level_name;
+ str = &ftr->data.name;
+
+ str->string = talloc_strdup(mem_ctx, lstr->string);
+ if (str->string == NULL) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ break;
+
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ lstr = &lftr->forest_trust_data.top_level_name_ex;
+ str = &ftr->data.name;
+
+ str->string = talloc_strdup(mem_ctx, lstr->string);
+ if (str->string == NULL) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ linfo = &lftr->forest_trust_data.domain_info;
+ info = &ftr->data.info;
+
+ if (linfo->domain_sid == NULL) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ info->sid = *linfo->domain_sid;
+
+ lstr = &linfo->dns_domain_name;
+ str = &info->dns_name;
+ str->string = talloc_strdup(mem_ctx, lstr->string);
+ if (str->string == NULL) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lstr = &linfo->netbios_domain_name;
+ str = &info->netbios_name;
+ str->string = talloc_strdup(mem_ctx, lstr->string);
+ if (str->string == NULL) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ break;
+
+ default:
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+ }
+
+ *_fti = fti;
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS dsdb_trust_forest_record_to_lsa(TALLOC_CTX *mem_ctx,
+ const struct ForestTrustInfoRecord *ftr,
+ struct lsa_ForestTrustRecord **_lftr)
+{
+ struct lsa_ForestTrustRecord *lftr = NULL;
+ const struct ForestTrustString *str = NULL;
+ struct lsa_StringLarge *lstr = NULL;
+ const struct ForestTrustDataDomainInfo *info = NULL;
+ struct lsa_ForestTrustDomainInfo *linfo = NULL;
+
+ *_lftr = NULL;
+
+ lftr = talloc_zero(mem_ctx, struct lsa_ForestTrustRecord);
+ if (lftr == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lftr->flags = ftr->flags;
+ lftr->time = ftr->timestamp;
+ lftr->type = (enum lsa_ForestTrustRecordType)ftr->type;
+
+ switch (lftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ lstr = &lftr->forest_trust_data.top_level_name;
+ str = &ftr->data.name;
+
+ lstr->string = talloc_strdup(mem_ctx, str->string);
+ if (lstr->string == NULL) {
+ TALLOC_FREE(lftr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ break;
+
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ lstr = &lftr->forest_trust_data.top_level_name_ex;
+ str = &ftr->data.name;
+
+ lstr->string = talloc_strdup(mem_ctx, str->string);
+ if (lstr->string == NULL) {
+ TALLOC_FREE(lftr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ linfo = &lftr->forest_trust_data.domain_info;
+ info = &ftr->data.info;
+
+ linfo->domain_sid = dom_sid_dup(lftr, &info->sid);
+ if (linfo->domain_sid == NULL) {
+ TALLOC_FREE(lftr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lstr = &linfo->dns_domain_name;
+ str = &info->dns_name;
+ lstr->string = talloc_strdup(mem_ctx, str->string);
+ if (lstr->string == NULL) {
+ TALLOC_FREE(lftr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lstr = &linfo->netbios_domain_name;
+ str = &info->netbios_name;
+ lstr->string = talloc_strdup(mem_ctx, str->string);
+ if (lstr->string == NULL) {
+ TALLOC_FREE(lftr);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ break;
+
+ default:
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ *_lftr = lftr;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_forest_info_to_lsa(TALLOC_CTX *mem_ctx,
+ const struct ForestTrustInfo *fti,
+ struct lsa_ForestTrustInformation **_lfti)
+{
+ struct lsa_ForestTrustInformation *lfti;
+ uint32_t i;
+
+ *_lfti = NULL;
+
+ if (fti->version != 1) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ lfti = talloc_zero(mem_ctx, struct lsa_ForestTrustInformation);
+ if (lfti == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lfti->count = fti->count;
+ lfti->entries = talloc_zero_array(mem_ctx,
+ struct lsa_ForestTrustRecord *,
+ lfti->count);
+ if (lfti->entries == NULL) {
+ TALLOC_FREE(lfti);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i = 0; i < fti->count; i++) {
+ struct ForestTrustInfoRecord *ftr = &fti->records[i].record;
+ struct lsa_ForestTrustRecord *lftr = NULL;
+ NTSTATUS status;
+
+ status = dsdb_trust_forest_record_to_lsa(lfti->entries, ftr,
+ &lftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(lfti);
+ return NT_STATUS_NO_MEMORY;
+ }
+ lfti->entries[i] = lftr;
+ }
+
+ *_lfti = lfti;
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS dsdb_trust_forest_info_add_record(struct lsa_ForestTrustInformation *fti,
+ const struct lsa_ForestTrustRecord *ftr)
+{
+ struct lsa_ForestTrustRecord **es = NULL;
+ struct lsa_ForestTrustRecord *e = NULL;
+ const struct lsa_StringLarge *dns1 = NULL;
+ struct lsa_StringLarge *dns2 = NULL;
+ const struct lsa_ForestTrustDomainInfo *d1 = NULL;
+ struct lsa_ForestTrustDomainInfo *d2 = NULL;
+ size_t len = 0;
+
+ es = talloc_realloc(fti, fti->entries,
+ struct lsa_ForestTrustRecord *,
+ fti->count + 1);
+ if (!es) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ fti->entries = es;
+
+ e = talloc_zero(es, struct lsa_ForestTrustRecord);
+ if (e == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ e->type = ftr->type;
+ e->flags = ftr->flags;
+ e->time = ftr->time;
+
+ switch (ftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ dns1 = &ftr->forest_trust_data.top_level_name;
+ dns2 = &e->forest_trust_data.top_level_name;
+ break;
+
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ dns1 = &ftr->forest_trust_data.top_level_name_ex;
+ dns2 = &e->forest_trust_data.top_level_name_ex;
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ dns1 = &ftr->forest_trust_data.domain_info.dns_domain_name;
+ dns2 = &e->forest_trust_data.domain_info.dns_domain_name;
+ d1 = &ftr->forest_trust_data.domain_info;
+ d2 = &e->forest_trust_data.domain_info;
+ break;
+ default:
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (dns1->string == NULL) {
+ TALLOC_FREE(e);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ len = strlen(dns1->string);
+ if (len == 0) {
+ TALLOC_FREE(e);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ dns2->string = talloc_strdup(e, dns1->string);
+ if (dns2->string == NULL) {
+ TALLOC_FREE(e);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (d1 != NULL) {
+ const struct lsa_StringLarge *nb1 = &d1->netbios_domain_name;
+ struct lsa_StringLarge *nb2 = &d2->netbios_domain_name;
+
+ if (nb1->string == NULL) {
+ TALLOC_FREE(e);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ len = strlen(nb1->string);
+ if (len == 0) {
+ TALLOC_FREE(e);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ if (len > 15) {
+ TALLOC_FREE(e);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ nb2->string = talloc_strdup(e, nb1->string);
+ if (nb2->string == NULL) {
+ TALLOC_FREE(e);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (d1->domain_sid == NULL) {
+ TALLOC_FREE(e);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ d2->domain_sid = dom_sid_dup(e, d1->domain_sid);
+ if (d2->domain_sid == NULL) {
+ TALLOC_FREE(e);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ fti->entries[fti->count++] = e;
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS dsdb_trust_parse_crossref_info(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ const struct ldb_message *msg,
+ struct lsa_TrustDomainInfoInfoEx **_tdo)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct lsa_TrustDomainInfoInfoEx *tdo = NULL;
+ const char *dns = NULL;
+ const char *netbios = NULL;
+ struct ldb_dn *nc_dn = NULL;
+ struct dom_sid sid = {
+ .num_auths = 0,
+ };
+ NTSTATUS status;
+
+ *_tdo = NULL;
+ tdo = talloc_zero(mem_ctx, struct lsa_TrustDomainInfoInfoEx);
+ if (tdo == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ talloc_steal(frame, tdo);
+
+ dns = ldb_msg_find_attr_as_string(msg, "dnsRoot", NULL);
+ if (dns == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ tdo->domain_name.string = talloc_strdup(tdo, dns);
+ if (tdo->domain_name.string == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ netbios = ldb_msg_find_attr_as_string(msg, "nETBIOSName", NULL);
+ if (netbios == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ tdo->netbios_name.string = talloc_strdup(tdo, netbios);
+ if (tdo->netbios_name.string == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ nc_dn = samdb_result_dn(sam_ctx, frame, msg, "ncName", NULL);
+ if (nc_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ status = dsdb_get_extended_dn_sid(nc_dn, &sid, "SID");
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ tdo->sid = dom_sid_dup(tdo, &sid);
+ if (tdo->sid == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ tdo->trust_type = LSA_TRUST_TYPE_UPLEVEL;
+ tdo->trust_direction = LSA_TRUST_DIRECTION_INBOUND |
+ LSA_TRUST_DIRECTION_OUTBOUND;
+ tdo->trust_attributes = LSA_TRUST_ATTRIBUTE_WITHIN_FOREST;
+
+ *_tdo = talloc_move(mem_ctx, &tdo);
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS dsdb_trust_crossref_tdo_info(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ struct ldb_dn *domain_dn,
+ const char *extra_filter,
+ struct lsa_TrustDomainInfoInfoEx **_tdo,
+ struct lsa_TrustDomainInfoInfoEx **_root_trust_tdo,
+ struct lsa_TrustDomainInfoInfoEx **_trust_parent_tdo)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct lsa_TrustDomainInfoInfoEx *tdo = NULL;
+ struct lsa_TrustDomainInfoInfoEx *root_trust_tdo = NULL;
+ struct lsa_TrustDomainInfoInfoEx *trust_parent_tdo = NULL;
+ struct ldb_dn *partitions_dn = NULL;
+ const char * const cross_attrs[] = {
+ "dnsRoot",
+ "nETBIOSName",
+ "nCName",
+ "rootTrust",
+ "trustParent",
+ NULL,
+ };
+ struct ldb_result *cross_res = NULL;
+ struct ldb_message *msg = NULL;
+ struct ldb_dn *root_trust_dn = NULL;
+ struct ldb_dn *trust_parent_dn = NULL;
+ NTSTATUS status;
+ int ret;
+
+ if (extra_filter == NULL) {
+ extra_filter = "";
+ }
+
+ *_tdo = NULL;
+ if (_root_trust_tdo != NULL) {
+ *_root_trust_tdo = NULL;
+ }
+ if (_trust_parent_tdo != NULL) {
+ *_trust_parent_tdo = NULL;
+ }
+
+ partitions_dn = samdb_partitions_dn(sam_ctx, frame);
+ if (partitions_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = dsdb_search(sam_ctx, partitions_dn, &cross_res,
+ partitions_dn, LDB_SCOPE_ONELEVEL,
+ cross_attrs,
+ DSDB_SEARCH_ONE_ONLY |
+ DSDB_SEARCH_SHOW_EXTENDED_DN,
+ "(&"
+ "(ncName=%s)"
+ "(objectClass=crossRef)"
+ "(systemFlags:%s:=%u)"
+ "%s"
+ ")",
+ ldb_dn_get_linearized(domain_dn),
+ LDB_OID_COMPARATOR_AND,
+ SYSTEM_FLAG_CR_NTDS_DOMAIN,
+ extra_filter);
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(frame);
+ return dsdb_ldb_err_to_ntstatus(ret);
+ }
+ msg = cross_res->msgs[0];
+
+ status = dsdb_trust_parse_crossref_info(mem_ctx, sam_ctx, msg, &tdo);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ talloc_steal(frame, tdo);
+
+ if (_root_trust_tdo != NULL) {
+ root_trust_dn = samdb_result_dn(sam_ctx, frame, msg,
+ "rootTrust", NULL);
+ }
+ if (_trust_parent_tdo != NULL) {
+ trust_parent_dn = samdb_result_dn(sam_ctx, frame, msg,
+ "trustParent", NULL);
+ }
+
+ if (root_trust_dn != NULL) {
+ struct ldb_message *root_trust_msg = NULL;
+
+ ret = dsdb_search_one(sam_ctx, frame,
+ &root_trust_msg,
+ root_trust_dn,
+ LDB_SCOPE_BASE,
+ cross_attrs,
+ DSDB_SEARCH_NO_GLOBAL_CATALOG,
+ "(objectClass=crossRef)");
+ if (ret != LDB_SUCCESS) {
+ status = dsdb_ldb_err_to_ntstatus(ret);
+ DEBUG(3, ("Failed to search for %s: %s - %s\n",
+ ldb_dn_get_linearized(root_trust_dn),
+ nt_errstr(status), ldb_errstring(sam_ctx)));
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ status = dsdb_trust_parse_crossref_info(mem_ctx, sam_ctx,
+ root_trust_msg,
+ &root_trust_tdo);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ talloc_steal(frame, root_trust_tdo);
+ }
+
+ if (trust_parent_dn != NULL) {
+ struct ldb_message *trust_parent_msg = NULL;
+
+ ret = dsdb_search_one(sam_ctx, frame,
+ &trust_parent_msg,
+ trust_parent_dn,
+ LDB_SCOPE_BASE,
+ cross_attrs,
+ DSDB_SEARCH_NO_GLOBAL_CATALOG,
+ "(objectClass=crossRef)");
+ if (ret != LDB_SUCCESS) {
+ status = dsdb_ldb_err_to_ntstatus(ret);
+ DEBUG(3, ("Failed to search for %s: %s - %s\n",
+ ldb_dn_get_linearized(trust_parent_dn),
+ nt_errstr(status), ldb_errstring(sam_ctx)));
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ status = dsdb_trust_parse_crossref_info(mem_ctx, sam_ctx,
+ trust_parent_msg,
+ &trust_parent_tdo);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ talloc_steal(frame, trust_parent_tdo);
+ }
+
+ *_tdo = talloc_move(mem_ctx, &tdo);
+ if (_root_trust_tdo != NULL) {
+ *_root_trust_tdo = talloc_move(mem_ctx, &root_trust_tdo);
+ }
+ if (_trust_parent_tdo != NULL) {
+ *_trust_parent_tdo = talloc_move(mem_ctx, &trust_parent_tdo);
+ }
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+#define DNS_CMP_FIRST_IS_CHILD -2
+#define DNS_CMP_FIRST_IS_LESS -1
+#define DNS_CMP_MATCH 0
+#define DNS_CMP_SECOND_IS_LESS 1
+#define DNS_CMP_SECOND_IS_CHILD 2
+
+#define DNS_CMP_IS_NO_MATCH(__cmp) \
+ ((__cmp == DNS_CMP_FIRST_IS_LESS) || (__cmp == DNS_CMP_SECOND_IS_LESS))
+
+/*
+ * this function assumes names are well formed DNS names.
+ * it doesn't validate them
+ *
+ * It allows strings up to a length of UINT16_MAX - 1
+ * with up to UINT8_MAX components. On overflow this
+ * just returns the result of strcasecmp_m().
+ *
+ * Trailing dots (only one) are ignored.
+ *
+ * The DNS names are compared per component, starting from
+ * the last one.
+ */
+static int dns_cmp(const char *s1, const char *s2)
+{
+ size_t l1 = 0;
+ const char *p1 = NULL;
+ size_t num_comp1 = 0;
+ uint16_t comp1[UINT8_MAX] = {0};
+ size_t l2 = 0;
+ const char *p2 = NULL;
+ size_t num_comp2 = 0;
+ uint16_t comp2[UINT8_MAX] = {0};
+ size_t i;
+
+ if (s1 != NULL) {
+ l1 = strlen(s1);
+ }
+
+ if (s2 != NULL) {
+ l2 = strlen(s2);
+ }
+
+ /*
+ * trailing '.' are ignored.
+ */
+ if (l1 > 1 && s1[l1 - 1] == '.') {
+ l1--;
+ }
+ if (l2 > 1 && s2[l2 - 1] == '.') {
+ l2--;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(comp1); i++) {
+ char *p;
+
+ if (i == 0) {
+ p1 = s1;
+
+ if (l1 == 0 || l1 >= UINT16_MAX) {
+ /* just use one single component on overflow */
+ break;
+ }
+ }
+
+ comp1[num_comp1++] = PTR_DIFF(p1, s1);
+
+ p = strchr_m(p1, '.');
+ if (p == NULL) {
+ p1 = NULL;
+ break;
+ }
+
+ p1 = p + 1;
+ }
+
+ if (p1 != NULL) {
+ /* just use one single component on overflow */
+ num_comp1 = 0;
+ comp1[num_comp1++] = 0;
+ p1 = NULL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(comp2); i++) {
+ char *p;
+
+ if (i == 0) {
+ p2 = s2;
+
+ if (l2 == 0 || l2 >= UINT16_MAX) {
+ /* just use one single component on overflow */
+ break;
+ }
+ }
+
+ comp2[num_comp2++] = PTR_DIFF(p2, s2);
+
+ p = strchr_m(p2, '.');
+ if (p == NULL) {
+ p2 = NULL;
+ break;
+ }
+
+ p2 = p + 1;
+ }
+
+ if (p2 != NULL) {
+ /* just use one single component on overflow */
+ num_comp2 = 0;
+ comp2[num_comp2++] = 0;
+ p2 = NULL;
+ }
+
+ for (i = 0; i < UINT8_MAX; i++) {
+ int cmp;
+
+ if (i < num_comp1) {
+ size_t idx = num_comp1 - (i + 1);
+ p1 = s1 + comp1[idx];
+ } else {
+ p1 = NULL;
+ }
+
+ if (i < num_comp2) {
+ size_t idx = num_comp2 - (i + 1);
+ p2 = s2 + comp2[idx];
+ } else {
+ p2 = NULL;
+ }
+
+ if (p1 == NULL && p2 == NULL) {
+ return DNS_CMP_MATCH;
+ }
+ if (p1 != NULL && p2 == NULL) {
+ return DNS_CMP_FIRST_IS_CHILD;
+ }
+ if (p1 == NULL && p2 != NULL) {
+ return DNS_CMP_SECOND_IS_CHILD;
+ }
+
+ cmp = strcasecmp_m(p1, p2);
+ if (cmp < 0) {
+ return DNS_CMP_FIRST_IS_LESS;
+ }
+ if (cmp > 0) {
+ return DNS_CMP_SECOND_IS_LESS;
+ }
+ }
+
+ smb_panic(__location__);
+ return -1;
+}
+
+static int dsdb_trust_find_tln_match_internal(const struct lsa_ForestTrustInformation *info,
+ enum lsa_ForestTrustRecordType type,
+ uint32_t disable_mask,
+ const char *tln)
+{
+ uint32_t i;
+
+ for (i = 0; i < info->count; i++) {
+ struct lsa_ForestTrustRecord *e = info->entries[i];
+ struct lsa_StringLarge *t = NULL;
+ int cmp;
+
+ if (e == NULL) {
+ continue;
+ }
+
+ if (e->type != type) {
+ continue;
+ }
+
+ if (e->flags & disable_mask) {
+ continue;
+ }
+
+ switch (type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ t = &e->forest_trust_data.top_level_name;
+ break;
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ t = &e->forest_trust_data.top_level_name_ex;
+ break;
+ default:
+ break;
+ }
+
+ if (t == NULL) {
+ continue;
+ }
+
+ cmp = dns_cmp(tln, t->string);
+ switch (cmp) {
+ case DNS_CMP_MATCH:
+ case DNS_CMP_FIRST_IS_CHILD:
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+static bool dsdb_trust_find_tln_match(const struct lsa_ForestTrustInformation *info,
+ const char *tln)
+{
+ int m;
+
+ m = dsdb_trust_find_tln_match_internal(info,
+ LSA_FOREST_TRUST_TOP_LEVEL_NAME,
+ LSA_TLN_DISABLED_MASK,
+ tln);
+ if (m != -1) {
+ return true;
+ }
+
+ return false;
+}
+
+static bool dsdb_trust_find_tln_ex_match(const struct lsa_ForestTrustInformation *info,
+ const char *tln)
+{
+ int m;
+
+ m = dsdb_trust_find_tln_match_internal(info,
+ LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX,
+ 0,
+ tln);
+ if (m != -1) {
+ return true;
+ }
+
+ return false;
+}
+
+NTSTATUS dsdb_trust_local_tdo_info(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ struct lsa_TrustDomainInfoInfoEx **_tdo)
+{
+ struct ldb_dn *domain_dn = NULL;
+
+ domain_dn = ldb_get_default_basedn(sam_ctx);
+ if (domain_dn == NULL) {
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ return dsdb_trust_crossref_tdo_info(mem_ctx, sam_ctx,
+ domain_dn, NULL,
+ _tdo, NULL, NULL);
+}
+
+NTSTATUS dsdb_trust_xref_tdo_info(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ struct lsa_TrustDomainInfoInfoEx **_tdo)
+{
+ /*
+ * The extra filter makes sure we only find the forest root domain
+ */
+ const char *extra_filter = "(!(|(rootTrust=*)(trustParent=*)))";
+ struct ldb_dn *domain_dn = NULL;
+
+ domain_dn = ldb_get_default_basedn(sam_ctx);
+ if (domain_dn == NULL) {
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ return dsdb_trust_crossref_tdo_info(mem_ctx, sam_ctx,
+ domain_dn, extra_filter,
+ _tdo, NULL, NULL);
+}
+
+static int dsdb_trust_xref_sort_msgs(struct ldb_message **_m1,
+ struct ldb_message **_m2)
+{
+ struct ldb_message *m1 = *_m1;
+ struct ldb_message *m2 = *_m2;
+ const char *dns1 = NULL;
+ const char *dns2 = NULL;
+ int cmp;
+ struct ldb_message_element *rootTrust1 = NULL;
+ struct ldb_message_element *trustParent1 = NULL;
+ struct ldb_message_element *rootTrust2 = NULL;
+ struct ldb_message_element *trustParent2 = NULL;
+
+ dns1 = ldb_msg_find_attr_as_string(m1, "dnsRoot", NULL);
+ dns2 = ldb_msg_find_attr_as_string(m2, "dnsRoot", NULL);
+
+ cmp = dns_cmp(dns1, dns2);
+ switch (cmp) {
+ case DNS_CMP_FIRST_IS_CHILD:
+ return -1;
+ case DNS_CMP_SECOND_IS_CHILD:
+ return 1;
+ }
+
+ rootTrust1 = ldb_msg_find_element(m1, "rootTrust");
+ trustParent1 = ldb_msg_find_element(m1, "trustParent");
+ rootTrust2 = ldb_msg_find_element(m2, "rootTrust");
+ trustParent2 = ldb_msg_find_element(m2, "trustParent");
+
+ if (rootTrust1 == NULL && trustParent1 == NULL) {
+ /* m1 is the forest root */
+ return -1;
+ }
+ if (rootTrust2 == NULL && trustParent2 == NULL) {
+ /* m2 is the forest root */
+ return 1;
+ }
+
+ return cmp;
+}
+
+static int dsdb_trust_xref_sort_vals(struct ldb_val *v1,
+ struct ldb_val *v2)
+{
+ const char *dns1 = (const char *)v1->data;
+ const char *dns2 = (const char *)v2->data;
+
+ return dns_cmp(dns1, dns2);
+}
+
+NTSTATUS dsdb_trust_xref_forest_info(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ struct lsa_ForestTrustInformation **_info)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct lsa_ForestTrustInformation *info = NULL;
+ struct ldb_dn *partitions_dn = NULL;
+ const char * const cross_attrs1[] = {
+ "uPNSuffixes",
+ "msDS-SPNSuffixes",
+ NULL,
+ };
+ struct ldb_result *cross_res1 = NULL;
+ struct ldb_message_element *upn_el = NULL;
+ struct ldb_message_element *spn_el = NULL;
+ struct ldb_message *tln_msg = NULL;
+ struct ldb_message_element *tln_el = NULL;
+ const char * const cross_attrs2[] = {
+ "dnsRoot",
+ "nETBIOSName",
+ "nCName",
+ "rootTrust",
+ "trustParent",
+ NULL,
+ };
+ struct ldb_result *cross_res2 = NULL;
+ int ret;
+ unsigned int i;
+ bool restart = false;
+
+ *_info = NULL;
+ info = talloc_zero(mem_ctx, struct lsa_ForestTrustInformation);
+ if (info == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ talloc_steal(frame, info);
+
+ partitions_dn = samdb_partitions_dn(sam_ctx, frame);
+ if (partitions_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = dsdb_search_dn(sam_ctx, partitions_dn, &cross_res1,
+ partitions_dn, cross_attrs1, 0);
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(frame);
+ return dsdb_ldb_err_to_ntstatus(ret);
+ }
+
+ ret = dsdb_search(sam_ctx, partitions_dn, &cross_res2,
+ partitions_dn, LDB_SCOPE_ONELEVEL,
+ cross_attrs2,
+ DSDB_SEARCH_SHOW_EXTENDED_DN,
+ "(&(objectClass=crossRef)"
+ "(systemFlags:%s:=%u))",
+ LDB_OID_COMPARATOR_AND,
+ SYSTEM_FLAG_CR_NTDS_DOMAIN);
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(frame);
+ return dsdb_ldb_err_to_ntstatus(ret);
+ }
+
+ /*
+ * Sort the domains as trees, starting with the forest root
+ */
+ TYPESAFE_QSORT(cross_res2->msgs, cross_res2->count,
+ dsdb_trust_xref_sort_msgs);
+
+ upn_el = ldb_msg_find_element(cross_res1->msgs[0], "uPNSuffixes");
+ if (upn_el != NULL) {
+ upn_el->name = "__tln__";
+ }
+ spn_el = ldb_msg_find_element(cross_res1->msgs[0], "msDS-SPNSuffixes");
+ if (spn_el != NULL) {
+ spn_el->name = "__tln__";
+ }
+ ret = ldb_msg_normalize(sam_ctx, frame, cross_res1->msgs[0], &tln_msg);
+ if (ret != LDB_SUCCESS) {
+ TALLOC_FREE(frame);
+ return dsdb_ldb_err_to_ntstatus(ret);
+ }
+ tln_el = ldb_msg_find_element(tln_msg, "__tln__");
+ if (tln_el != NULL) {
+ /*
+ * Sort the domains as trees
+ */
+ TYPESAFE_QSORT(tln_el->values, tln_el->num_values,
+ dsdb_trust_xref_sort_vals);
+ }
+
+ for (i=0; i < cross_res2->count; i++) {
+ struct ldb_message *m = cross_res2->msgs[i];
+ const char *dns = NULL;
+ const char *netbios = NULL;
+ struct ldb_dn *nc_dn = NULL;
+ struct dom_sid sid = {
+ .num_auths = 0,
+ };
+ struct lsa_ForestTrustRecord e = {
+ .flags = 0,
+ };
+ struct lsa_ForestTrustDomainInfo *d = NULL;
+ struct lsa_StringLarge *t = NULL;
+ bool match = false;
+ NTSTATUS status;
+
+ dns = ldb_msg_find_attr_as_string(m, "dnsRoot", NULL);
+ if (dns == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ netbios = ldb_msg_find_attr_as_string(m, "nETBIOSName", NULL);
+ if (netbios == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ nc_dn = samdb_result_dn(sam_ctx, m, m, "ncName", NULL);
+ if (nc_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ status = dsdb_get_extended_dn_sid(nc_dn, &sid, "SID");
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ match = dsdb_trust_find_tln_match(info, dns);
+ if (!match) {
+ /*
+ * First the TOP_LEVEL_NAME, if required
+ */
+ e = (struct lsa_ForestTrustRecord) {
+ .flags = 0,
+ .type = LSA_FOREST_TRUST_TOP_LEVEL_NAME,
+ .time = 0, /* so far always 0 in traces. */
+ };
+
+ t = &e.forest_trust_data.top_level_name;
+ t->string = dns;
+
+ status = dsdb_trust_forest_info_add_record(info, &e);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ /*
+ * Then the DOMAIN_INFO
+ */
+ e = (struct lsa_ForestTrustRecord) {
+ .flags = 0,
+ .type = LSA_FOREST_TRUST_DOMAIN_INFO,
+ .time = 0, /* so far always 0 in traces. */
+ };
+ d = &e.forest_trust_data.domain_info;
+ d->domain_sid = &sid;
+ d->dns_domain_name.string = dns;
+ d->netbios_domain_name.string = netbios;
+
+ status = dsdb_trust_forest_info_add_record(info, &e);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ for (i=0; (tln_el != NULL) && i < tln_el->num_values; i++) {
+ const struct ldb_val *v = &tln_el->values[i];
+ const char *dns = (const char *)v->data;
+ struct lsa_ForestTrustRecord e = {
+ .flags = 0,
+ };
+ struct lsa_StringLarge *t = NULL;
+ bool match = false;
+ NTSTATUS status;
+
+ if (dns == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ match = dsdb_trust_find_tln_match(info, dns);
+ if (match) {
+ continue;
+ }
+
+ /*
+ * an additional the TOP_LEVEL_NAME
+ */
+ e = (struct lsa_ForestTrustRecord) {
+ .flags = 0,
+ .type = LSA_FOREST_TRUST_TOP_LEVEL_NAME,
+ .time = 0, /* so far always 0 in traces. */
+ };
+ t = &e.forest_trust_data.top_level_name;
+ t->string = dns;
+
+ status = dsdb_trust_forest_info_add_record(info, &e);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ for (i=0; i < info->count; restart ? i=0 : i++) {
+ struct lsa_ForestTrustRecord *tr = info->entries[i];
+ const struct lsa_StringLarge *ts = NULL;
+ uint32_t c;
+
+ restart = false;
+
+ if (tr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ ts = &tr->forest_trust_data.top_level_name;
+
+ for (c = i + 1; c < info->count; c++) {
+ struct lsa_ForestTrustRecord *cr = info->entries[c];
+ const struct lsa_StringLarge *cs = NULL;
+ uint32_t j;
+ int cmp;
+
+ if (cr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ cs = &cr->forest_trust_data.top_level_name;
+
+ cmp = dns_cmp(ts->string, cs->string);
+ if (DNS_CMP_IS_NO_MATCH(cmp)) {
+ continue;
+ }
+ if (cmp != DNS_CMP_FIRST_IS_CHILD) {
+ /* can't happen ... */
+ continue;
+ }
+
+ ts = NULL;
+ tr = NULL;
+ TALLOC_FREE(info->entries[i]);
+ info->entries[i] = info->entries[c];
+
+ for (j = c + 1; j < info->count; j++) {
+ info->entries[j-1] = info->entries[j];
+ }
+ info->count -= 1;
+ restart = true;
+ break;
+ }
+ }
+
+ *_info = talloc_move(mem_ctx, &info);
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_parse_tdo_info(TALLOC_CTX *mem_ctx,
+ struct ldb_message *m,
+ struct lsa_TrustDomainInfoInfoEx **_tdo)
+{
+ struct lsa_TrustDomainInfoInfoEx *tdo = NULL;
+ const char *dns = NULL;
+ const char *netbios = NULL;
+
+ *_tdo = NULL;
+
+ tdo = talloc_zero(mem_ctx, struct lsa_TrustDomainInfoInfoEx);
+ if (tdo == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ dns = ldb_msg_find_attr_as_string(m, "trustPartner", NULL);
+ if (dns == NULL) {
+ TALLOC_FREE(tdo);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ tdo->domain_name.string = talloc_strdup(tdo, dns);
+ if (tdo->domain_name.string == NULL) {
+ TALLOC_FREE(tdo);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ netbios = ldb_msg_find_attr_as_string(m, "flatName", NULL);
+ if (netbios == NULL) {
+ TALLOC_FREE(tdo);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ tdo->netbios_name.string = talloc_strdup(tdo, netbios);
+ if (tdo->netbios_name.string == NULL) {
+ TALLOC_FREE(tdo);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ tdo->sid = samdb_result_dom_sid(tdo, m, "securityIdentifier");
+ if (tdo->sid == NULL) {
+ TALLOC_FREE(tdo);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ tdo->trust_type = ldb_msg_find_attr_as_uint(m, "trustType", 0);
+ tdo->trust_direction = ldb_msg_find_attr_as_uint(m, "trustDirection", 0);
+ tdo->trust_attributes = ldb_msg_find_attr_as_uint(m, "trustAttributes", 0);
+
+ *_tdo = tdo;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_parse_forest_info(TALLOC_CTX *mem_ctx,
+ struct ldb_message *m,
+ struct ForestTrustInfo **_fti)
+{
+ const struct ldb_val *ft_blob = NULL;
+ struct ForestTrustInfo *fti = NULL;
+ enum ndr_err_code ndr_err;
+
+ *_fti = NULL;
+
+ ft_blob = ldb_msg_find_ldb_val(m, "msDS-TrustForestTrustInfo");
+ if (ft_blob == NULL) {
+ return NT_STATUS_NOT_FOUND;
+ }
+
+ fti = talloc_zero(mem_ctx, struct ForestTrustInfo);
+ if (fti == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* ldb_val is equivalent to DATA_BLOB */
+ ndr_err = ndr_pull_struct_blob_all(ft_blob, fti, fti,
+ (ndr_pull_flags_fn_t)ndr_pull_ForestTrustInfo);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ TALLOC_FREE(fti);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ *_fti = fti;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_normalize_forest_info_step1(TALLOC_CTX *mem_ctx,
+ const struct lsa_ForestTrustInformation *gfti,
+ struct lsa_ForestTrustInformation **_nfti)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct lsa_ForestTrustInformation *nfti;
+ uint32_t n;
+
+ *_nfti = NULL;
+
+ nfti = talloc_zero(mem_ctx, struct lsa_ForestTrustInformation);
+ if (nfti == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ talloc_steal(frame, nfti);
+
+ /*
+ * First we copy every record and remove possible trailing dots
+ * from dns names.
+ *
+ * We also NULL out dublicates. The first one wins and
+ * we keep 'count' as is. This is required in order to
+ * provide the correct index for collision records.
+ */
+ for (n = 0; n < gfti->count; n++) {
+ const struct lsa_ForestTrustRecord *gftr = gfti->entries[n];
+ struct lsa_ForestTrustRecord *nftr = NULL;
+ struct lsa_ForestTrustDomainInfo *ninfo = NULL;
+ struct lsa_StringLarge *ntln = NULL;
+ struct lsa_StringLarge *nnb = NULL;
+ struct dom_sid *nsid = NULL;
+ NTSTATUS status;
+ size_t len = 0;
+ char *p = NULL;
+ uint32_t c;
+
+ if (gftr == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ status = dsdb_trust_forest_info_add_record(nfti, gftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ nftr = nfti->entries[n];
+
+ switch (nftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ ntln = &nftr->forest_trust_data.top_level_name;
+ break;
+
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ ntln = &nftr->forest_trust_data.top_level_name_ex;
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ ninfo = &nftr->forest_trust_data.domain_info;
+ ntln = &ninfo->dns_domain_name;
+ nnb = &ninfo->netbios_domain_name;
+ nsid = ninfo->domain_sid;
+ break;
+
+ default:
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /*
+ * We remove one trailing '.' before checking
+ * for invalid dots.
+ *
+ * domain.com. becomes domain.com
+ * domain.com.. becomes domain.com.
+ *
+ * Then the following is invalid:
+ *
+ * domain..com
+ * .domain.com
+ * domain.com.
+ */
+ len = strlen(ntln->string);
+ if (len > 1 && ntln->string[len - 1] == '.') {
+ const char *cp = &ntln->string[len - 1];
+ p = discard_const_p(char, cp);
+ *p= '\0';
+ }
+ if (ntln->string[0] == '.') {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ p = strstr_m(ntln->string, "..");
+ if (p != NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ for (c = 0; c < n; c++) {
+ const struct lsa_ForestTrustRecord *cftr = nfti->entries[c];
+ const struct lsa_ForestTrustDomainInfo *cinfo = NULL;
+ const struct lsa_StringLarge *ctln = NULL;
+ const struct lsa_StringLarge *cnb = NULL;
+ const struct dom_sid *csid = NULL;
+ int cmp;
+
+ if (cftr == NULL) {
+ continue;
+ }
+
+ if (cftr->type != nftr->type) {
+ continue;
+ }
+
+ switch (cftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ ctln = &cftr->forest_trust_data.top_level_name;
+ break;
+
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ ctln = &cftr->forest_trust_data.top_level_name_ex;
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ cinfo = &cftr->forest_trust_data.domain_info;
+ ctln = &cinfo->dns_domain_name;
+ cnb = &cinfo->netbios_domain_name;
+ csid = cinfo->domain_sid;
+ break;
+
+ default:
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ cmp = dns_cmp(ntln->string, ctln->string);
+ if (cmp == DNS_CMP_MATCH) {
+ nftr = NULL;
+ TALLOC_FREE(nfti->entries[n]);
+ break;
+ }
+
+ if (cinfo == NULL) {
+ continue;
+ }
+
+ cmp = strcasecmp_m(nnb->string, cnb->string);
+ if (cmp == 0) {
+ nftr = NULL;
+ TALLOC_FREE(nfti->entries[n]);
+ break;
+ }
+
+ cmp = dom_sid_compare(nsid, csid);
+ if (cmp == 0) {
+ nftr = NULL;
+ TALLOC_FREE(nfti->entries[n]);
+ break;
+ }
+ }
+ }
+
+ /*
+ * Now we check that only true top level names are provided
+ */
+ for (n = 0; n < nfti->count; n++) {
+ const struct lsa_ForestTrustRecord *nftr = nfti->entries[n];
+ const struct lsa_StringLarge *ntln = NULL;
+ uint32_t c;
+
+ if (nftr == NULL) {
+ continue;
+ }
+
+ if (nftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ ntln = &nftr->forest_trust_data.top_level_name;
+
+ for (c = 0; c < nfti->count; c++) {
+ const struct lsa_ForestTrustRecord *cftr = nfti->entries[c];
+ const struct lsa_StringLarge *ctln = NULL;
+ int cmp;
+
+ if (cftr == NULL) {
+ continue;
+ }
+
+ if (cftr == nftr) {
+ continue;
+ }
+
+ if (cftr->type != nftr->type) {
+ continue;
+ }
+
+ ctln = &cftr->forest_trust_data.top_level_name;
+
+ cmp = dns_cmp(ntln->string, ctln->string);
+ if (DNS_CMP_IS_NO_MATCH(cmp)) {
+ continue;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ /*
+ * Now we check that only true sub level excludes are provided
+ */
+ for (n = 0; n < nfti->count; n++) {
+ const struct lsa_ForestTrustRecord *nftr = nfti->entries[n];
+ const struct lsa_StringLarge *ntln = NULL;
+ uint32_t c;
+ bool found_tln = false;
+
+ if (nftr == NULL) {
+ continue;
+ }
+
+ if (nftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX) {
+ continue;
+ }
+
+ ntln = &nftr->forest_trust_data.top_level_name;
+
+ for (c = 0; c < nfti->count; c++) {
+ const struct lsa_ForestTrustRecord *cftr = nfti->entries[c];
+ const struct lsa_StringLarge *ctln = NULL;
+ int cmp;
+
+ if (cftr == NULL) {
+ continue;
+ }
+
+ if (cftr == nftr) {
+ continue;
+ }
+
+ if (cftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ ctln = &cftr->forest_trust_data.top_level_name;
+
+ cmp = dns_cmp(ntln->string, ctln->string);
+ if (cmp == DNS_CMP_FIRST_IS_CHILD) {
+ found_tln = true;
+ break;
+ }
+ }
+
+ if (found_tln) {
+ continue;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /*
+ * Now we check that there's a top level name for each domain
+ */
+ for (n = 0; n < nfti->count; n++) {
+ const struct lsa_ForestTrustRecord *nftr = nfti->entries[n];
+ const struct lsa_ForestTrustDomainInfo *ninfo = NULL;
+ const struct lsa_StringLarge *ntln = NULL;
+ uint32_t c;
+ bool found_tln = false;
+
+ if (nftr == NULL) {
+ continue;
+ }
+
+ if (nftr->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ ninfo = &nftr->forest_trust_data.domain_info;
+ ntln = &ninfo->dns_domain_name;
+
+ for (c = 0; c < nfti->count; c++) {
+ const struct lsa_ForestTrustRecord *cftr = nfti->entries[c];
+ const struct lsa_StringLarge *ctln = NULL;
+ int cmp;
+
+ if (cftr == NULL) {
+ continue;
+ }
+
+ if (cftr == nftr) {
+ continue;
+ }
+
+ if (cftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ ctln = &cftr->forest_trust_data.top_level_name;
+
+ cmp = dns_cmp(ntln->string, ctln->string);
+ if (cmp == DNS_CMP_MATCH) {
+ found_tln = true;
+ break;
+ }
+ if (cmp == DNS_CMP_FIRST_IS_CHILD) {
+ found_tln = true;
+ break;
+ }
+ }
+
+ if (found_tln) {
+ continue;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ *_nfti = talloc_move(mem_ctx, &nfti);
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_normalize_forest_info_step2(TALLOC_CTX *mem_ctx,
+ const struct lsa_ForestTrustInformation *gfti,
+ struct lsa_ForestTrustInformation **_nfti)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct timeval tv = timeval_current();
+ NTTIME now = timeval_to_nttime(&tv);
+ struct lsa_ForestTrustInformation *nfti;
+ uint32_t g;
+
+ *_nfti = NULL;
+
+ nfti = talloc_zero(mem_ctx, struct lsa_ForestTrustInformation);
+ if (nfti == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ talloc_steal(frame, nfti);
+
+ /*
+ * Now we add TOP_LEVEL_NAME[_EX] in reverse order
+ * followed by LSA_FOREST_TRUST_DOMAIN_INFO in reverse order.
+ *
+ * This also removes the possible NULL entries generated in step1.
+ */
+
+ for (g = 0; g < gfti->count; g++) {
+ const struct lsa_ForestTrustRecord *gftr = gfti->entries[gfti->count - (g+1)];
+ struct lsa_ForestTrustRecord tftr;
+ bool skip = false;
+ NTSTATUS status;
+
+ if (gftr == NULL) {
+ continue;
+ }
+
+ switch (gftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ skip = true;
+ break;
+
+ default:
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (skip) {
+ continue;
+ }
+
+ /* make a copy in order to update the time. */
+ tftr = *gftr;
+ if (tftr.time == 0) {
+ tftr.time = now;
+ }
+
+ status = dsdb_trust_forest_info_add_record(nfti, &tftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ for (g = 0; g < gfti->count; g++) {
+ const struct lsa_ForestTrustRecord *gftr = gfti->entries[gfti->count - (g+1)];
+ struct lsa_ForestTrustRecord tftr;
+ bool skip = false;
+ NTSTATUS status;
+
+ if (gftr == NULL) {
+ continue;
+ }
+
+ switch (gftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ skip = true;
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ break;
+
+ default:
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (skip) {
+ continue;
+ }
+
+ /* make a copy in order to update the time. */
+ tftr = *gftr;
+ if (tftr.time == 0) {
+ tftr.time = now;
+ }
+
+ status = dsdb_trust_forest_info_add_record(nfti, &tftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ *_nfti = talloc_move(mem_ctx, &nfti);
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS dsdb_trust_add_collision(
+ struct lsa_ForestTrustCollisionInfo *c_info,
+ enum lsa_ForestTrustCollisionRecordType type,
+ uint32_t idx, uint32_t flags,
+ const char *tdo_name)
+{
+ struct lsa_ForestTrustCollisionRecord **es;
+ uint32_t i = c_info->count;
+
+ es = talloc_realloc(c_info, c_info->entries,
+ struct lsa_ForestTrustCollisionRecord *, i + 1);
+ if (es == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ c_info->entries = es;
+ c_info->count = i + 1;
+
+ es[i] = talloc_zero(es, struct lsa_ForestTrustCollisionRecord);
+ if (es[i] == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ es[i]->index = idx;
+ es[i]->type = type;
+ es[i]->flags = flags;
+ es[i]->name.string = talloc_strdup(es[i], tdo_name);
+ if (es[i]->name.string == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_verify_forest_info(const struct lsa_TrustDomainInfoInfoEx *ref_tdo,
+ const struct lsa_ForestTrustInformation *ref_fti,
+ enum lsa_ForestTrustCollisionRecordType collision_type,
+ struct lsa_ForestTrustCollisionInfo *c_info,
+ struct lsa_ForestTrustInformation *new_fti)
+{
+ uint32_t n;
+
+ for (n = 0; n < new_fti->count; n++) {
+ struct lsa_ForestTrustRecord *nftr = new_fti->entries[n];
+ struct lsa_StringLarge *ntln = NULL;
+ bool ntln_excluded = false;
+ uint32_t flags = 0;
+ uint32_t r;
+ NTSTATUS status;
+
+ if (nftr == NULL) {
+ continue;
+ }
+
+ if (nftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ ntln = &nftr->forest_trust_data.top_level_name;
+ if (ntln->string == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ ntln_excluded = dsdb_trust_find_tln_ex_match(ref_fti,
+ ntln->string);
+
+ /* check if this is already taken and not excluded */
+ for (r = 0; r < ref_fti->count; r++) {
+ const struct lsa_ForestTrustRecord *rftr =
+ ref_fti->entries[r];
+ const struct lsa_StringLarge *rtln = NULL;
+ int cmp;
+
+ if (rftr == NULL) {
+ continue;
+ }
+
+ if (rftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ rtln = &rftr->forest_trust_data.top_level_name;
+ if (rtln->string == NULL) {
+ continue;
+ }
+
+ cmp = dns_cmp(ntln->string, rtln->string);
+ if (DNS_CMP_IS_NO_MATCH(cmp)) {
+ continue;
+ }
+ if (cmp == DNS_CMP_MATCH) {
+ /* We need to normalize the string */
+ ntln->string = talloc_strdup(nftr,
+ rtln->string);
+ if (ntln->string == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (ntln_excluded) {
+ continue;
+ }
+
+ if (rftr->flags & LSA_TLN_DISABLED_MASK) {
+ continue;
+ }
+
+ if (nftr->flags & LSA_TLN_DISABLED_MASK) {
+ continue;
+ }
+
+ if (cmp == DNS_CMP_SECOND_IS_CHILD) {
+ bool m;
+
+ /*
+ * If the conflicting tln is a child, check if
+ * we have an exclusion record for it.
+ */
+ m = dsdb_trust_find_tln_ex_match(new_fti,
+ rtln->string);
+ if (m) {
+ continue;
+ }
+ }
+
+ flags |= LSA_TLN_DISABLED_CONFLICT;
+ }
+
+ if (flags == 0) {
+ continue;
+ }
+
+ nftr->flags |= flags;
+
+ status = dsdb_trust_add_collision(c_info,
+ collision_type,
+ n, nftr->flags,
+ ref_tdo->domain_name.string);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ }
+
+ for (n = 0; n < new_fti->count; n++) {
+ struct lsa_ForestTrustRecord *nftr = new_fti->entries[n];
+ struct lsa_ForestTrustDomainInfo *ninfo = NULL;
+ struct lsa_StringLarge *ntln = NULL;
+ struct lsa_StringLarge *nnb = NULL;
+ struct dom_sid *nsid = NULL;
+ bool ntln_found = false;
+ uint32_t flags = 0;
+ uint32_t r;
+ NTSTATUS status;
+
+ if (nftr == NULL) {
+ continue;
+ }
+
+ if (nftr->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ ninfo = &nftr->forest_trust_data.domain_info;
+ ntln = &ninfo->dns_domain_name;
+ if (ntln->string == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ nnb = &ninfo->netbios_domain_name;
+ if (nnb->string == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ nsid = ninfo->domain_sid;
+ if (nsid == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ ntln_found = dsdb_trust_find_tln_match(ref_fti, ntln->string);
+
+ /* check if this is already taken and not excluded */
+ for (r = 0; r < ref_fti->count; r++) {
+ const struct lsa_ForestTrustRecord *rftr =
+ ref_fti->entries[r];
+ const struct lsa_ForestTrustDomainInfo *rinfo = NULL;
+ const struct lsa_StringLarge *rtln = NULL;
+ const struct lsa_StringLarge *rnb = NULL;
+ const struct dom_sid *rsid = NULL;
+ bool nb_possible = true;
+ bool sid_possible = true;
+ int cmp;
+
+ if (rftr == NULL) {
+ continue;
+ }
+
+ if (!ntln_found) {
+ /*
+ * If the dns name doesn't match any existing
+ * tln any conflict is ignored, but name
+ * normalization still happens.
+ *
+ * I guess that's a bug in Windows
+ * (tested with Windows 2012r2).
+ */
+ nb_possible = false;
+ sid_possible = false;
+ }
+
+ if (nftr->flags & LSA_SID_DISABLED_MASK) {
+ sid_possible = false;
+ }
+
+ if (nftr->flags & LSA_NB_DISABLED_MASK) {
+ nb_possible = false;
+ }
+
+ switch (rftr->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ rtln = &rftr->forest_trust_data.top_level_name;
+ nb_possible = false;
+ sid_possible = false;
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ rinfo = &rftr->forest_trust_data.domain_info;
+ rtln = &rinfo->dns_domain_name;
+ rnb = &rinfo->netbios_domain_name;
+ rsid = rinfo->domain_sid;
+
+ if (rftr->flags & LSA_SID_DISABLED_MASK) {
+ sid_possible = false;
+ }
+
+ if (rftr->flags & LSA_NB_DISABLED_MASK) {
+ nb_possible = false;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ if (rtln == NULL) {
+ continue;
+ }
+
+ if (rtln->string == NULL) {
+ continue;
+ }
+
+ cmp = dns_cmp(ntln->string, rtln->string);
+ if (DNS_CMP_IS_NO_MATCH(cmp)) {
+ nb_possible = false;
+ sid_possible = false;
+ }
+ if (cmp == DNS_CMP_MATCH) {
+ /* We need to normalize the string */
+ ntln->string = talloc_strdup(nftr,
+ rtln->string);
+ if (ntln->string == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (rinfo == NULL) {
+ continue;
+ }
+
+ if (rsid != NULL) {
+ cmp = dom_sid_compare(nsid, rsid);
+ } else {
+ cmp = -1;
+ }
+ if (cmp == 0) {
+ if (sid_possible) {
+ flags |= LSA_SID_DISABLED_CONFLICT;
+ }
+ }
+
+ if (rnb->string != NULL) {
+ cmp = strcasecmp_m(nnb->string, rnb->string);
+ } else {
+ cmp = -1;
+ }
+ if (cmp == 0) {
+ nnb->string = talloc_strdup(nftr, rnb->string);
+ if (nnb->string == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ if (nb_possible) {
+ flags |= LSA_NB_DISABLED_CONFLICT;
+ }
+ }
+ }
+
+ if (flags == 0) {
+ continue;
+ }
+
+ nftr->flags |= flags;
+
+ status = dsdb_trust_add_collision(c_info,
+ collision_type,
+ n, nftr->flags,
+ ref_tdo->domain_name.string);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ }
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_merge_forest_info(TALLOC_CTX *mem_ctx,
+ const struct lsa_TrustDomainInfoInfoEx *tdo,
+ const struct lsa_ForestTrustInformation *ofti,
+ const struct lsa_ForestTrustInformation *nfti,
+ struct lsa_ForestTrustInformation **_mfti)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct lsa_ForestTrustInformation *mfti = NULL;
+ uint32_t ni;
+ uint32_t oi;
+ NTSTATUS status;
+ int cmp;
+
+ *_mfti = NULL;
+ mfti = talloc_zero(mem_ctx, struct lsa_ForestTrustInformation);
+ if (mfti == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ talloc_steal(frame, mfti);
+
+ /*
+ * First we add all top unique level names.
+ *
+ * The one matching the tdo dns name, will be
+ * added without further checking. All others
+ * may keep the flags and time values.
+ */
+ for (ni = 0; ni < nfti->count; ni++) {
+ const struct lsa_ForestTrustRecord *nftr = nfti->entries[ni];
+ struct lsa_ForestTrustRecord tftr = {
+ .flags = 0,
+ };
+ const char *ndns = NULL;
+ bool ignore_new = false;
+ bool found_old = false;
+ uint32_t mi;
+
+ if (nftr == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (nftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ ndns = nftr->forest_trust_data.top_level_name.string;
+ if (ndns == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ cmp = dns_cmp(tdo->domain_name.string, ndns);
+ if (cmp == DNS_CMP_MATCH) {
+ status = dsdb_trust_forest_info_add_record(mfti, nftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ for (mi = 0; mi < mfti->count; mi++) {
+ const struct lsa_ForestTrustRecord *mftr =
+ mfti->entries[mi];
+ const char *mdns = NULL;
+
+ /*
+ * we just added this above, so we're sure to have a
+ * valid LSA_FOREST_TRUST_TOP_LEVEL_NAME record
+ */
+ mdns = mftr->forest_trust_data.top_level_name.string;
+
+ cmp = dns_cmp(mdns, ndns);
+ switch (cmp) {
+ case DNS_CMP_MATCH:
+ case DNS_CMP_SECOND_IS_CHILD:
+ ignore_new = true;
+ break;
+ }
+
+ if (ignore_new) {
+ break;
+ }
+ }
+
+ if (ignore_new) {
+ continue;
+ }
+
+ /*
+ * make a temporary copy where we can change time and flags
+ */
+ tftr = *nftr;
+
+ for (oi = 0; oi < ofti->count; oi++) {
+ const struct lsa_ForestTrustRecord *oftr =
+ ofti->entries[oi];
+ const char *odns = NULL;
+
+ if (oftr == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ if (oftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ odns = oftr->forest_trust_data.top_level_name.string;
+ if (odns == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ cmp = dns_cmp(odns, ndns);
+ if (cmp != DNS_CMP_MATCH) {
+ continue;
+ }
+
+ found_old = true;
+ tftr.flags = oftr->flags;
+ tftr.time = oftr->time;
+ }
+
+ if (!found_old) {
+ tftr.flags = LSA_TLN_DISABLED_NEW;
+ tftr.time = 0;
+ }
+
+ status = dsdb_trust_forest_info_add_record(mfti, &tftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ /*
+ * Now we add all unique (based on their SID) domains
+ * and may keep the flags and time values.
+ */
+ for (ni = 0; ni < nfti->count; ni++) {
+ const struct lsa_ForestTrustRecord *nftr = nfti->entries[ni];
+ struct lsa_ForestTrustRecord tftr = {
+ .flags = 0,
+ };
+ const struct lsa_ForestTrustDomainInfo *nd = NULL;
+ const char *ndns = NULL;
+ const char *nnbt = NULL;
+ bool ignore_new = false;
+ bool found_old = false;
+ uint32_t mi;
+
+ if (nftr == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (nftr->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ nd = &nftr->forest_trust_data.domain_info;
+ if (nd->domain_sid == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ ndns = nd->dns_domain_name.string;
+ if (ndns == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ nnbt = nd->netbios_domain_name.string;
+ if (nnbt == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ for (mi = 0; mi < mfti->count; mi++) {
+ const struct lsa_ForestTrustRecord *mftr =
+ mfti->entries[mi];
+ const struct lsa_ForestTrustDomainInfo *md = NULL;
+
+ if (mftr->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ /*
+ * we just added this above, so we're sure to have a
+ * valid LSA_FOREST_TRUST_DOMAIN_INFO record
+ */
+ md = &mftr->forest_trust_data.domain_info;
+
+ cmp = dom_sid_compare(nd->domain_sid, md->domain_sid);
+ if (cmp == 0) {
+ ignore_new = true;
+ break;
+ }
+ }
+
+ if (ignore_new) {
+ continue;
+ }
+
+ /*
+ * make a temporary copy where we can change time and flags
+ */
+ tftr = *nftr;
+
+ for (oi = 0; oi < ofti->count; oi++) {
+ const struct lsa_ForestTrustRecord *oftr =
+ ofti->entries[oi];
+ const struct lsa_ForestTrustDomainInfo *od = NULL;
+ const char *onbt = NULL;
+
+ if (oftr == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ if (oftr->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ od = &oftr->forest_trust_data.domain_info;
+ onbt = od->netbios_domain_name.string;
+ if (onbt == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ cmp = strcasecmp(onbt, nnbt);
+ if (cmp != 0) {
+ continue;
+ }
+
+ found_old = true;
+ tftr.flags = oftr->flags;
+ tftr.time = oftr->time;
+ }
+
+ if (!found_old) {
+ tftr.flags = 0;
+ tftr.time = 0;
+ }
+
+ status = dsdb_trust_forest_info_add_record(mfti, &tftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ /*
+ * We keep old domain records disabled by the admin
+ * if not already in the list.
+ */
+ for (oi = 0; oi < ofti->count; oi++) {
+ const struct lsa_ForestTrustRecord *oftr =
+ ofti->entries[oi];
+ const struct lsa_ForestTrustDomainInfo *od = NULL;
+ const char *odns = NULL;
+ const char *onbt = NULL;
+ bool ignore_old = true;
+ uint32_t mi;
+
+ if (oftr == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ if (oftr->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ od = &oftr->forest_trust_data.domain_info;
+ odns = od->dns_domain_name.string;
+ if (odns == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+ onbt = od->netbios_domain_name.string;
+ if (onbt == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+ if (od->domain_sid == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ if (oftr->flags & LSA_NB_DISABLED_ADMIN) {
+ ignore_old = false;
+ } else if (oftr->flags & LSA_SID_DISABLED_ADMIN) {
+ ignore_old = false;
+ }
+
+ for (mi = 0; mi < mfti->count; mi++) {
+ const struct lsa_ForestTrustRecord *mftr =
+ mfti->entries[mi];
+ const struct lsa_ForestTrustDomainInfo *md = NULL;
+
+ if (mftr->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ /*
+ * we just added this above, so we're sure to have a
+ * valid LSA_FOREST_TRUST_DOMAIN_INFO record
+ */
+ md = &mftr->forest_trust_data.domain_info;
+
+ cmp = dom_sid_compare(od->domain_sid, md->domain_sid);
+ if (cmp == 0) {
+ ignore_old = true;
+ break;
+ }
+ }
+
+ if (ignore_old) {
+ continue;
+ }
+
+ status = dsdb_trust_forest_info_add_record(mfti, oftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ /*
+ * Finally we readd top level exclusions,
+ * if they still match a top level name.
+ */
+ for (oi = 0; oi < ofti->count; oi++) {
+ const struct lsa_ForestTrustRecord *oftr =
+ ofti->entries[oi];
+ const char *odns = NULL;
+ bool ignore_old = false;
+ uint32_t mi;
+
+ if (oftr == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ if (oftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX) {
+ continue;
+ }
+
+ odns = oftr->forest_trust_data.top_level_name_ex.string;
+ if (odns == NULL) {
+ /*
+ * broken record => ignore...
+ */
+ continue;
+ }
+
+ for (mi = 0; mi < mfti->count; mi++) {
+ const struct lsa_ForestTrustRecord *mftr =
+ mfti->entries[mi];
+ const char *mdns = NULL;
+
+ if (mftr->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ /*
+ * we just added this above, so we're sure to have a
+ * valid LSA_FOREST_TRUST_TOP_LEVEL_NAME.
+ */
+ mdns = mftr->forest_trust_data.top_level_name.string;
+
+ cmp = dns_cmp(mdns, odns);
+ switch (cmp) {
+ case DNS_CMP_MATCH:
+ case DNS_CMP_SECOND_IS_CHILD:
+ break;
+ default:
+ ignore_old = true;
+ break;
+ }
+
+ if (ignore_old) {
+ break;
+ }
+ }
+
+ if (ignore_old) {
+ continue;
+ }
+
+ status = dsdb_trust_forest_info_add_record(mfti, oftr);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ *_mfti = talloc_move(mem_ctx, &mfti);
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_search_tdo(struct ldb_context *sam_ctx,
+ const char *netbios, const char *dns,
+ const char * const *attrs,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_message **msg)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ int ret;
+ struct ldb_dn *system_dn = NULL;
+ char *netbios_encoded = NULL;
+ char *dns_encoded = NULL;
+ char *filter = NULL;
+
+ *msg = NULL;
+
+ if (netbios == NULL && dns == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+
+ system_dn = samdb_system_container_dn(sam_ctx, frame);
+ if (system_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (netbios != NULL) {
+ netbios_encoded = ldb_binary_encode_string(frame, netbios);
+ if (netbios_encoded == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (dns != NULL) {
+ dns_encoded = ldb_binary_encode_string(frame, dns);
+ if (dns_encoded == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (netbios != NULL && dns != NULL) {
+ filter = talloc_asprintf(frame,
+ "(&(objectClass=trustedDomain)"
+ "(|(trustPartner=%s)(flatName=%s))"
+ ")",
+ dns_encoded, netbios_encoded);
+ if (filter == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ } else if (netbios != NULL) {
+ filter = talloc_asprintf(frame,
+ "(&(objectClass=trustedDomain)(flatName=%s))",
+ netbios_encoded);
+ if (filter == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ } else if (dns != NULL) {
+ filter = talloc_asprintf(frame,
+ "(&(objectClass=trustedDomain)(trustPartner=%s))",
+ dns_encoded);
+ if (filter == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ ret = dsdb_search_one(sam_ctx, mem_ctx, msg,
+ system_dn,
+ LDB_SCOPE_ONELEVEL, attrs,
+ DSDB_SEARCH_NO_GLOBAL_CATALOG,
+ "%s", filter);
+ if (ret != LDB_SUCCESS) {
+ NTSTATUS status = dsdb_ldb_err_to_ntstatus(ret);
+ DEBUG(3, ("Failed to search for %s: %s - %s\n",
+ filter, nt_errstr(status), ldb_errstring(sam_ctx)));
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_search_tdo_by_type(struct ldb_context *sam_ctx,
+ enum netr_SchannelType type,
+ const char *name,
+ const char * const *attrs,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_message **msg)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ NTSTATUS status;
+ size_t len;
+ char trailer = '$';
+ bool require_trailer = true;
+ char *encoded_name = NULL;
+ const char *netbios = NULL;
+ const char *dns = NULL;
+
+ if (type != SEC_CHAN_DOMAIN && type != SEC_CHAN_DNS_DOMAIN) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (type == SEC_CHAN_DNS_DOMAIN) {
+ trailer = '.';
+ require_trailer = false;
+ }
+
+ encoded_name = ldb_binary_encode_string(frame, name);
+ if (encoded_name == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ len = strlen(encoded_name);
+ if (len < 2) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ if (require_trailer && encoded_name[len - 1] != trailer) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ encoded_name[len - 1] = '\0';
+
+ if (type == SEC_CHAN_DNS_DOMAIN) {
+ dns = encoded_name;
+ } else {
+ netbios = encoded_name;
+ }
+
+ status = dsdb_trust_search_tdo(sam_ctx, netbios, dns,
+ attrs, mem_ctx, msg);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_search_tdo_by_sid(struct ldb_context *sam_ctx,
+ const struct dom_sid *sid,
+ const char * const *attrs,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_message **msg)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ int ret;
+ struct ldb_dn *system_dn = NULL;
+ char *encoded_sid = NULL;
+ char *filter = NULL;
+
+ *msg = NULL;
+
+ if (sid == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+
+ encoded_sid = ldap_encode_ndr_dom_sid(frame, sid);
+ if (encoded_sid == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ system_dn = samdb_system_container_dn(sam_ctx, frame);
+ if (system_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ filter = talloc_asprintf(frame,
+ "(&"
+ "(objectClass=trustedDomain)"
+ "(securityIdentifier=%s)"
+ ")",
+ encoded_sid);
+ if (filter == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = dsdb_search_one(sam_ctx, mem_ctx, msg,
+ system_dn,
+ LDB_SCOPE_ONELEVEL, attrs,
+ DSDB_SEARCH_NO_GLOBAL_CATALOG,
+ "%s", filter);
+ if (ret != LDB_SUCCESS) {
+ NTSTATUS status = dsdb_ldb_err_to_ntstatus(ret);
+ DEBUG(3, ("Failed to search for %s: %s - %s\n",
+ filter, nt_errstr(status), ldb_errstring(sam_ctx)));
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_get_incoming_passwords(struct ldb_message *msg,
+ TALLOC_CTX *mem_ctx,
+ struct samr_Password **_current,
+ struct samr_Password **_previous)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct samr_Password __current = {
+ .hash = {0},
+ };
+ struct samr_Password __previous = {
+ .hash = {0},
+ };
+ struct samr_Password *current = NULL;
+ struct samr_Password *previous = NULL;
+ const struct ldb_val *blob = NULL;
+ enum ndr_err_code ndr_err;
+ struct trustAuthInOutBlob incoming = {
+ .count = 0,
+ };
+ uint32_t i;
+
+ if (_current != NULL) {
+ *_current = NULL;
+ }
+ if (_previous != NULL) {
+ *_previous = NULL;
+ }
+
+ blob = ldb_msg_find_ldb_val(msg, "trustAuthIncoming");
+ if (blob == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_ACCOUNT_DISABLED;
+ }
+
+ /* ldb_val is equivalent to DATA_BLOB */
+ ndr_err = ndr_pull_struct_blob_all(blob, frame, &incoming,
+ (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ for (i = 0; i < incoming.current.count; i++) {
+ struct AuthenticationInformation *a =
+ &incoming.current.array[i];
+
+ if (current != NULL) {
+ break;
+ }
+
+ switch (a->AuthType) {
+ case TRUST_AUTH_TYPE_NONE:
+ case TRUST_AUTH_TYPE_VERSION:
+ break;
+ case TRUST_AUTH_TYPE_NT4OWF:
+ current = &a->AuthInfo.nt4owf.password;
+ break;
+ case TRUST_AUTH_TYPE_CLEAR:
+ mdfour(__current.hash,
+ a->AuthInfo.clear.password,
+ a->AuthInfo.clear.size);
+ current = &__current;
+ break;
+ }
+ }
+
+ if (current == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ for (i = 0; i < incoming.previous.count; i++) {
+ struct AuthenticationInformation *a =
+ &incoming.previous.array[i];
+
+ if (previous != NULL) {
+ break;
+ }
+
+ switch (a->AuthType) {
+ case TRUST_AUTH_TYPE_NONE:
+ case TRUST_AUTH_TYPE_VERSION:
+ break;
+ case TRUST_AUTH_TYPE_NT4OWF:
+ previous = &a->AuthInfo.nt4owf.password;
+ break;
+ case TRUST_AUTH_TYPE_CLEAR:
+ mdfour(__previous.hash,
+ a->AuthInfo.clear.password,
+ a->AuthInfo.clear.size);
+ previous = &__previous;
+ break;
+ }
+ }
+
+ if (previous == NULL) {
+ previous = current;
+ }
+
+ if (_current != NULL) {
+ *_current = talloc(mem_ctx, struct samr_Password);
+ if (*_current == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ **_current = *current;
+ }
+ if (_previous != NULL) {
+ *_previous = talloc(mem_ctx, struct samr_Password);
+ if (*_previous == NULL) {
+ if (_current != NULL) {
+ TALLOC_FREE(*_current);
+ }
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ **_previous = *previous;
+ }
+ ZERO_STRUCTP(current);
+ ZERO_STRUCTP(previous);
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dsdb_trust_search_tdos(struct ldb_context *sam_ctx,
+ const char *exclude,
+ const char * const *attrs,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result **res)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ int ret;
+ struct ldb_dn *system_dn = NULL;
+ const char *filter = NULL;
+ char *exclude_encoded = NULL;
+
+ *res = NULL;
+
+ system_dn = samdb_system_container_dn(sam_ctx, frame);
+ if (system_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (exclude != NULL) {
+ exclude_encoded = ldb_binary_encode_string(frame, exclude);
+ if (exclude_encoded == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ filter = talloc_asprintf(frame,
+ "(&(objectClass=trustedDomain)"
+ "(!(|(trustPartner=%s)(flatName=%s)))"
+ ")",
+ exclude_encoded, exclude_encoded);
+ if (filter == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ } else {
+ filter = "(objectClass=trustedDomain)";
+ }
+
+ ret = dsdb_search(sam_ctx, mem_ctx, res,
+ system_dn,
+ LDB_SCOPE_ONELEVEL, attrs,
+ DSDB_SEARCH_NO_GLOBAL_CATALOG,
+ "%s", filter);
+ if (ret != LDB_SUCCESS) {
+ NTSTATUS status = dsdb_ldb_err_to_ntstatus(ret);
+ DEBUG(3, ("Failed to search for %s: %s - %s\n",
+ filter, nt_errstr(status), ldb_errstring(sam_ctx)));
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+struct dsdb_trust_routing_domain;
+
+struct dsdb_trust_routing_table {
+ struct dsdb_trust_routing_domain *domains;
+};
+
+struct dsdb_trust_routing_domain {
+ struct dsdb_trust_routing_domain *prev, *next;
+
+ struct lsa_TrustDomainInfoInfoEx *tdo;
+
+ struct lsa_ForestTrustDomainInfo di;
+
+ struct lsa_ForestTrustInformation *fti;
+};
+
+NTSTATUS dsdb_trust_routing_table_load(struct ldb_context *sam_ctx,
+ TALLOC_CTX *mem_ctx,
+ struct dsdb_trust_routing_table **_table)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct dsdb_trust_routing_table *table;
+ struct dsdb_trust_routing_domain *d = NULL;
+ struct ldb_dn *domain_dn = NULL;
+ struct lsa_TrustDomainInfoInfoEx *root_trust_tdo = NULL;
+ struct lsa_TrustDomainInfoInfoEx *trust_parent_tdo = NULL;
+ struct lsa_TrustDomainInfoInfoEx *root_direction_tdo = NULL;
+ const char * const trusts_attrs[] = {
+ "securityIdentifier",
+ "flatName",
+ "trustPartner",
+ "trustAttributes",
+ "trustDirection",
+ "trustType",
+ "msDS-TrustForestTrustInfo",
+ NULL
+ };
+ struct ldb_result *trusts_res = NULL;
+ unsigned int i;
+ NTSTATUS status;
+
+ *_table = NULL;
+
+ domain_dn = ldb_get_default_basedn(sam_ctx);
+ if (domain_dn == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ table = talloc_zero(mem_ctx, struct dsdb_trust_routing_table);
+ if (table == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ talloc_steal(frame, table);
+
+ d = talloc_zero(table, struct dsdb_trust_routing_domain);
+ if (d == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = dsdb_trust_crossref_tdo_info(d, sam_ctx,
+ domain_dn, NULL,
+ &d->tdo,
+ &root_trust_tdo,
+ &trust_parent_tdo);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ /*
+ * d->tdo should not be NULL of status above is 'NT_STATUS_OK'
+ * check is needed to satisfy clang static checker
+ */
+ if (d->tdo == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ d->di.domain_sid = d->tdo->sid;
+ d->di.netbios_domain_name.string = d->tdo->netbios_name.string;
+ d->di.dns_domain_name.string = d->tdo->domain_name.string;
+
+ if (root_trust_tdo != NULL) {
+ root_direction_tdo = root_trust_tdo;
+ } else if (trust_parent_tdo != NULL) {
+ root_direction_tdo = trust_parent_tdo;
+ }
+
+ if (root_direction_tdo == NULL) {
+ /* we're the forest root */
+ status = dsdb_trust_xref_forest_info(d, sam_ctx, &d->fti);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ DLIST_ADD(table->domains, d);
+
+ status = dsdb_trust_search_tdos(sam_ctx, NULL, trusts_attrs,
+ frame, &trusts_res);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ for (i = 0; i < trusts_res->count; i++) {
+ bool ok;
+ int cmp;
+
+ d = talloc_zero(table, struct dsdb_trust_routing_domain);
+ if (d == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = dsdb_trust_parse_tdo_info(d,
+ trusts_res->msgs[i],
+ &d->tdo);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ d->di.domain_sid = d->tdo->sid;
+ d->di.netbios_domain_name.string = d->tdo->netbios_name.string;
+ d->di.dns_domain_name.string = d->tdo->domain_name.string;
+
+ DLIST_ADD_END(table->domains, d);
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) {
+ struct ForestTrustInfo *fti = NULL;
+
+ status = dsdb_trust_parse_forest_info(frame,
+ trusts_res->msgs[i],
+ &fti);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
+ fti = NULL;
+ status = NT_STATUS_OK;
+ }
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ if (fti == NULL) {
+ continue;
+ }
+
+ status = dsdb_trust_forest_info_to_lsa(d, fti, &d->fti);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ continue;
+ }
+
+ if (!(d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_WITHIN_FOREST)) {
+ continue;
+ }
+
+ if (root_direction_tdo == NULL) {
+ continue;
+ }
+
+ ok = dom_sid_equal(root_direction_tdo->sid, d->tdo->sid);
+ if (!ok) {
+ continue;
+ }
+
+ cmp = strcasecmp_m(root_direction_tdo->netbios_name.string,
+ d->tdo->netbios_name.string);
+ if (cmp != 0) {
+ continue;
+ }
+
+ cmp = strcasecmp_m(root_direction_tdo->domain_name.string,
+ d->tdo->domain_name.string);
+ if (cmp != 0) {
+ continue;
+ }
+
+ /* this our route to the forest root */
+ status = dsdb_trust_xref_forest_info(d, sam_ctx, &d->fti);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+ }
+
+ *_table = talloc_move(mem_ctx, &table);
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+}
+
+static void dsdb_trust_update_best_tln(
+ const struct dsdb_trust_routing_domain **best_d,
+ const char **best_tln,
+ const struct dsdb_trust_routing_domain *d,
+ const char *tln)
+{
+ int cmp;
+
+ if (*best_tln == NULL) {
+ *best_tln = tln;
+ *best_d = d;
+ return;
+ }
+
+ cmp = dns_cmp(*best_tln, tln);
+ if (cmp != DNS_CMP_FIRST_IS_CHILD) {
+ return;
+ }
+
+ *best_tln = tln;
+ *best_d = d;
+}
+
+const struct lsa_TrustDomainInfoInfoEx *dsdb_trust_routing_by_name(
+ const struct dsdb_trust_routing_table *table,
+ const char *name)
+{
+ const struct dsdb_trust_routing_domain *best_d = NULL;
+ const char *best_tln = NULL;
+ const struct dsdb_trust_routing_domain *d = NULL;
+
+ if (name == NULL) {
+ return NULL;
+ }
+
+ for (d = table->domains; d != NULL; d = d->next) {
+ bool transitive = false;
+ bool allow_netbios = false;
+ bool exclude = false;
+ uint32_t i;
+
+ if (d->tdo->trust_type != LSA_TRUST_TYPE_UPLEVEL) {
+ /*
+ * Only uplevel trusts have top level names
+ */
+ continue;
+ }
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_WITHIN_FOREST) {
+ transitive = true;
+ }
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) {
+ transitive = true;
+ }
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_NON_TRANSITIVE) {
+ transitive = false;
+ }
+
+ if (d->tdo->trust_type != LSA_TRUST_TYPE_UPLEVEL) {
+ transitive = false;
+ }
+
+ switch (d->tdo->trust_type) {
+ case LSA_TRUST_TYPE_UPLEVEL:
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_UPLEVEL_ONLY) {
+ break;
+ }
+ allow_netbios = true;
+ break;
+ case LSA_TRUST_TYPE_DOWNLEVEL:
+ allow_netbios = true;
+ break;
+ default:
+ allow_netbios = false;
+ break;
+ }
+
+ if (!transitive || d->fti == NULL) {
+ int cmp;
+
+ if (allow_netbios) {
+ cmp = dns_cmp(name, d->tdo->netbios_name.string);
+ if (cmp == DNS_CMP_MATCH) {
+ /*
+ * exact match
+ */
+ return d->tdo;
+ }
+ }
+
+ cmp = dns_cmp(name, d->tdo->domain_name.string);
+ if (cmp == DNS_CMP_MATCH) {
+ /*
+ * exact match
+ */
+ return d->tdo;
+ }
+ if (cmp != DNS_CMP_FIRST_IS_CHILD) {
+ continue;
+ }
+
+ if (!transitive) {
+ continue;
+ }
+
+ dsdb_trust_update_best_tln(&best_d, &best_tln, d,
+ d->tdo->domain_name.string);
+ continue;
+ }
+
+ exclude = dsdb_trust_find_tln_ex_match(d->fti, name);
+ if (exclude) {
+ continue;
+ }
+
+ for (i = 0; i < d->fti->count; i++ ) {
+ const struct lsa_ForestTrustRecord *f = d->fti->entries[i];
+ const struct lsa_ForestTrustDomainInfo *di = NULL;
+ const char *fti_nbt = NULL;
+ int cmp;
+
+ if (!allow_netbios) {
+ break;
+ }
+
+ if (f == NULL) {
+ /* broken record */
+ continue;
+ }
+
+ if (f->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ if (f->flags & LSA_NB_DISABLED_MASK) {
+ /*
+ * any flag disables the entry.
+ */
+ continue;
+ }
+
+ di = &f->forest_trust_data.domain_info;
+ fti_nbt = di->netbios_domain_name.string;
+ if (fti_nbt == NULL) {
+ /* broken record */
+ continue;
+ }
+
+ cmp = dns_cmp(name, fti_nbt);
+ if (cmp == DNS_CMP_MATCH) {
+ /*
+ * exact match
+ */
+ return d->tdo;
+ }
+ }
+
+ for (i = 0; i < d->fti->count; i++ ) {
+ const struct lsa_ForestTrustRecord *f = d->fti->entries[i];
+ const union lsa_ForestTrustData *u = NULL;
+ const char *fti_tln = NULL;
+ int cmp;
+
+ if (f == NULL) {
+ /* broken record */
+ continue;
+ }
+
+ if (f->type != LSA_FOREST_TRUST_TOP_LEVEL_NAME) {
+ continue;
+ }
+
+ if (f->flags & LSA_TLN_DISABLED_MASK) {
+ /*
+ * any flag disables the entry.
+ */
+ continue;
+ }
+
+ u = &f->forest_trust_data;
+ fti_tln = u->top_level_name.string;
+ if (fti_tln == NULL) {
+ continue;
+ }
+
+ cmp = dns_cmp(name, fti_tln);
+ switch (cmp) {
+ case DNS_CMP_MATCH:
+ case DNS_CMP_FIRST_IS_CHILD:
+ dsdb_trust_update_best_tln(&best_d, &best_tln,
+ d, fti_tln);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ if (best_d != NULL) {
+ return best_d->tdo;
+ }
+
+ return NULL;
+}
+
+const struct lsa_TrustDomainInfoInfoEx *dsdb_trust_domain_by_sid(
+ const struct dsdb_trust_routing_table *table,
+ const struct dom_sid *sid,
+ const struct lsa_ForestTrustDomainInfo **pdi)
+{
+ const struct dsdb_trust_routing_domain *d = NULL;
+
+ if (pdi != NULL) {
+ *pdi = NULL;
+ }
+
+ if (sid == NULL) {
+ return NULL;
+ }
+
+ for (d = table->domains; d != NULL; d = d->next) {
+ bool transitive = false;
+ uint32_t i;
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_WITHIN_FOREST) {
+ transitive = true;
+ }
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) {
+ transitive = true;
+ }
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_NON_TRANSITIVE) {
+ transitive = false;
+ }
+
+ if (d->tdo->trust_type != LSA_TRUST_TYPE_UPLEVEL) {
+ transitive = false;
+ }
+
+ if (!transitive || d->fti == NULL) {
+ bool match = false;
+
+ match = dom_sid_equal(d->di.domain_sid, sid);
+ if (match) {
+ /*
+ * exact match, it's the domain itself.
+ */
+ if (pdi != NULL) {
+ *pdi = &d->di;
+ }
+ return d->tdo;
+ }
+ continue;
+ }
+
+ for (i = 0; i < d->fti->count; i++ ) {
+ const struct lsa_ForestTrustRecord *f = d->fti->entries[i];
+ const struct lsa_ForestTrustDomainInfo *di = NULL;
+ const struct dom_sid *fti_sid = NULL;
+ bool match = false;
+
+ if (f == NULL) {
+ /* broken record */
+ continue;
+ }
+
+ if (f->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ if (f->flags & LSA_SID_DISABLED_MASK) {
+ /*
+ * any flag disables the entry.
+ */
+ continue;
+ }
+
+ di = &f->forest_trust_data.domain_info;
+ fti_sid = di->domain_sid;
+ if (fti_sid == NULL) {
+ /* broken record */
+ continue;
+ }
+
+ match = dom_sid_equal(fti_sid, sid);
+ if (match) {
+ /*
+ * exact match, it's a domain in the forest.
+ */
+ if (pdi != NULL) {
+ *pdi = di;
+ }
+ return d->tdo;
+ }
+ }
+ }
+
+ return NULL;
+}
+
+const struct lsa_TrustDomainInfoInfoEx *dsdb_trust_domain_by_name(
+ const struct dsdb_trust_routing_table *table,
+ const char *name,
+ const struct lsa_ForestTrustDomainInfo **pdi)
+{
+ const struct dsdb_trust_routing_domain *d = NULL;
+
+ if (pdi != NULL) {
+ *pdi = NULL;
+ }
+
+ if (name == NULL) {
+ return NULL;
+ }
+
+ for (d = table->domains; d != NULL; d = d->next) {
+ bool transitive = false;
+ uint32_t i;
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_WITHIN_FOREST) {
+ transitive = true;
+ }
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) {
+ transitive = true;
+ }
+
+ if (d->tdo->trust_attributes & LSA_TRUST_ATTRIBUTE_NON_TRANSITIVE) {
+ transitive = false;
+ }
+
+ if (d->tdo->trust_type != LSA_TRUST_TYPE_UPLEVEL) {
+ transitive = false;
+ }
+
+ if (!transitive || d->fti == NULL) {
+ bool match = false;
+
+ match = strequal_m(d->di.netbios_domain_name.string,
+ name);
+ if (match) {
+ /*
+ * exact match for netbios name,
+ * it's the domain itself.
+ */
+ if (pdi != NULL) {
+ *pdi = &d->di;
+ }
+ return d->tdo;
+ }
+ match = strequal_m(d->di.dns_domain_name.string,
+ name);
+ if (match) {
+ /*
+ * exact match for dns name,
+ * it's the domain itself.
+ */
+ if (pdi != NULL) {
+ *pdi = &d->di;
+ }
+ return d->tdo;
+ }
+ continue;
+ }
+
+ for (i = 0; i < d->fti->count; i++ ) {
+ const struct lsa_ForestTrustRecord *f = d->fti->entries[i];
+ const struct lsa_ForestTrustDomainInfo *di = NULL;
+ bool match = false;
+
+ if (f == NULL) {
+ /* broken record */
+ continue;
+ }
+
+ if (f->type != LSA_FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+ di = &f->forest_trust_data.domain_info;
+
+ if (!(f->flags & LSA_NB_DISABLED_MASK)) {
+ match = strequal_m(di->netbios_domain_name.string,
+ name);
+ if (match) {
+ /*
+ * exact match for netbios name,
+ * it's a domain in the forest.
+ */
+ if (pdi != NULL) {
+ *pdi = di;
+ }
+ return d->tdo;
+ }
+ }
+
+ if (!(f->flags & LSA_TLN_DISABLED_MASK)) {
+ match = strequal_m(di->dns_domain_name.string,
+ name);
+ if (match) {
+ /*
+ * exact match for dns name,
+ * it's a domain in the forest.
+ */
+ if (pdi != NULL) {
+ *pdi = di;
+ }
+ return d->tdo;
+ }
+ }
+ }
+ }
+
+ return NULL;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 13:47:01 +0000