Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
Copyright (C) Simo Sorce 2004-2008
- Copyright (C) Matthias Dieter Wallnöfer 2009-2010
+ Copyright (C) Matthias Dieter Wallnöfer 2009-2011
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
#include "librpc/gen_ndr/ndr_security.h"
#include "ldb_wrap.h"
#include "param/param.h"
+#include "libds/common/flag_mapping.h"
struct samldb_ctx;
+enum samldb_add_type {
+ SAMLDB_TYPE_USER,
+ SAMLDB_TYPE_GROUP,
+ SAMLDB_TYPE_CLASS,
+ SAMLDB_TYPE_ATTRIBUTE
+};
typedef int (*samldb_step_fn_t)(struct samldb_ctx *);
struct ldb_request *req;
/* used for add operations */
- const char *type;
+ enum samldb_add_type type;
/* the resulting message */
struct ldb_message *msg;
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
const char *name;
int ret;
+ struct ldb_result *res;
+ const char *noattrs[] = { NULL };
if (ldb_msg_find_element(ac->msg, "sAMAccountName") == NULL) {
ret = samldb_generate_sAMAccountName(ldb, ac->msg);
return LDB_ERR_CONSTRAINT_VIOLATION;
}
- ret = samdb_search_count(ldb, ac, NULL, "(sAMAccountName=%s)",
+ ret = dsdb_module_search(ac->module, ac, &res,
+ ldb_get_default_basedn(ldb), LDB_SCOPE_SUBTREE, noattrs,
+ DSDB_FLAG_NEXT_MODULE,
+ ac->req,
+ "(sAMAccountName=%s)",
ldb_binary_encode_string(ac, name));
- if ((ret < 0) || (ret > 1)) {
- return ldb_operr(ldb);
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- if (ret == 1) {
+ if (res->count != 0) {
ldb_asprintf_errstring(ldb,
"samldb: Account name (sAMAccountName) '%s' already in use!",
name);
+ talloc_free(res);
return LDB_ERR_ENTRY_ALREADY_EXISTS;
}
+ talloc_free(res);
return samldb_next_step(ac);
}
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
int ret;
- ret = ridalloc_allocate_rid(ac->module, &rid);
+ ret = ridalloc_allocate_rid(ac->module, &rid, ac->req);
if (ret != LDB_SUCCESS) {
return ret;
}
const char *no_attrs[] = { NULL };
int ret;
- ret = dsdb_module_search(ac->module, tmp_ctx, &res, NULL,
+ ret = dsdb_module_search(ac->module, tmp_ctx, &res,
+ ldb_get_default_basedn(ldb_module_get_ctx(ac->module)),
LDB_SCOPE_SUBTREE, no_attrs,
DSDB_FLAG_NEXT_MODULE,
+ ac->req,
"(msDC-SecondaryKrbTgtNumber=%u)",
krbtgt_number);
if (ret == LDB_SUCCESS && res->count == 0) {
uint32_t krbtgt_number, i_start, i;
int ret;
char *newpass;
+ struct ldb_val newpass_utf16;
/* find a unused msDC-SecondaryKrbTgtNumber */
i_start = generate_random() & 0xFFFF;
return ldb_operr(ldb);
}
- ret = ldb_msg_add_steal_string(ac->msg, "clearTextPassword", newpass);
+ if (!convert_string_talloc(ac,
+ CH_UNIX, CH_UTF16,
+ newpass, strlen(newpass),
+ (void *)&newpass_utf16.data,
+ &newpass_utf16.length)) {
+ ldb_asprintf_errstring(ldb,
+ "samldb_rodc_add: "
+ "failed to generate UTF16 password from random password");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = ldb_msg_add_steal_value(ac->msg, "clearTextPassword", &newpass_utf16);
if (ret != LDB_SUCCESS) {
return ldb_operr(ldb);
}
ac->dn, LDB_SCOPE_BASE, no_attrs,
DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT
| DSDB_FLAG_NEXT_MODULE,
+ ac->req,
"(objectClass=classSchema)");
if (ret == LDB_ERR_NO_SUCH_OBJECT) {
/* Don't be pricky when the DN doesn't exist if we have the */
return ret;
}
+ if (ret == LDB_SUCCESS) {
+ /* ensure the defaultObjectCategory has a full GUID */
+ struct ldb_message *m;
+ m = ldb_msg_new(ac->msg);
+ if (m == NULL) {
+ return ldb_oom(ldb);
+ }
+ m->dn = ac->msg->dn;
+ if (ldb_msg_add_string(m, "defaultObjectCategory",
+ ldb_dn_get_extended_linearized(m, res->msgs[0]->dn, 1)) !=
+ LDB_SUCCESS) {
+ return ldb_oom(ldb);
+ }
+ m->elements[0].flags = LDB_FLAG_MOD_REPLACE;
+
+ ret = dsdb_module_modify(ac->module, m,
+ DSDB_FLAG_NEXT_MODULE,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+
ac->res_dn = ac->dn;
return samldb_next_step(ac);
&ldb_res,
schema_dn, LDB_SCOPE_ONELEVEL, NULL,
DSDB_FLAG_NEXT_MODULE,
+ ac->req,
"(msDS-IntId=%d)", msds_intid);
if (ret != LDB_SUCCESS) {
ldb_debug_set(ldb, LDB_DEBUG_ERROR,
ares->response, ares->error);
}
if (ares->type != LDB_REPLY_DONE) {
- ldb_set_errstring(ldb,
- "Invalid reply type!\n");
+ ldb_asprintf_errstring(ldb, "Invalid LDB reply type %d", ares->type);
return ldb_module_done(ac->req, NULL, NULL,
LDB_ERR_OPERATIONS_ERROR);
}
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
int ret;
- /* Add informations for the different account types */
- if (strcmp(ac->type, "user") == 0) {
- struct ldb_control *rodc_control = ldb_request_get_control(ac->req,
- LDB_CONTROL_RODC_DCPROMO_OID);
- if (rodc_control != NULL) {
- /* see [MS-ADTS] 3.1.1.3.4.1.23 LDAP_SERVER_RODC_DCPROMO_OID */
- rodc_control->critical = false;
- ret = samldb_add_step(ac, samldb_rodc_add);
- if (ret != LDB_SUCCESS) return ret;
- }
-
- /* check if we have a valid sAMAccountName */
- ret = samldb_add_step(ac, samldb_check_sAMAccountName);
- if (ret != LDB_SUCCESS) return ret;
+ /* Add information for the different account types */
+ switch(ac->type) {
+ case SAMLDB_TYPE_USER: {
+ struct ldb_control *rodc_control = ldb_request_get_control(ac->req,
+ LDB_CONTROL_RODC_DCPROMO_OID);
+ if (rodc_control != NULL) {
+ /* see [MS-ADTS] 3.1.1.3.4.1.23 LDAP_SERVER_RODC_DCPROMO_OID */
+ rodc_control->critical = false;
+ ret = samldb_add_step(ac, samldb_rodc_add);
+ if (ret != LDB_SUCCESS) return ret;
+ }
- ret = samldb_add_step(ac, samldb_add_entry);
- if (ret != LDB_SUCCESS) return ret;
+ /* check if we have a valid sAMAccountName */
+ ret = samldb_add_step(ac, samldb_check_sAMAccountName);
+ if (ret != LDB_SUCCESS) return ret;
- } else if (strcmp(ac->type, "group") == 0) {
- /* check if we have a valid sAMAccountName */
- ret = samldb_add_step(ac, samldb_check_sAMAccountName);
- if (ret != LDB_SUCCESS) return ret;
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
+ break;
+ }
- ret = samldb_add_step(ac, samldb_add_entry);
- if (ret != LDB_SUCCESS) return ret;
+ case SAMLDB_TYPE_GROUP: {
+ /* check if we have a valid sAMAccountName */
+ ret = samldb_add_step(ac, samldb_check_sAMAccountName);
+ if (ret != LDB_SUCCESS) return ret;
- } else if (strcmp(ac->type, "classSchema") == 0) {
- const struct ldb_val *rdn_value, *def_obj_cat_val;
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
+ break;
+ }
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "rdnAttId", "cn");
- if (ret != LDB_SUCCESS) return ret;
+ case SAMLDB_TYPE_CLASS: {
+ const struct ldb_val *rdn_value, *def_obj_cat_val;
- /* do not allow to mark an attributeSchema as RODC filtered if it
- * is system-critical */
- if (check_rodc_critical_attribute(ac->msg)) {
- ldb_asprintf_errstring(ldb, "Refusing schema add of %s - cannot combine critical class with RODC filtering",
- ldb_dn_get_linearized(ac->msg->dn));
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "rdnAttId", "cn");
+ if (ret != LDB_SUCCESS) return ret;
- rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
- if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
- /* the RDN has prefix "CN" */
- ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
- samdb_cn_to_lDAPDisplayName(ac->msg,
- (const char *) rdn_value->data));
- if (ret != LDB_SUCCESS) {
- ldb_oom(ldb);
- return ret;
+ /* do not allow to mark an attributeSchema as RODC filtered if it
+ * is system-critical */
+ if (check_rodc_critical_attribute(ac->msg)) {
+ ldb_asprintf_errstring(ldb, "Refusing schema add of %s - cannot combine critical class with RODC filtering",
+ ldb_dn_get_linearized(ac->msg->dn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
}
- }
- if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
- struct GUID guid;
- /* a new GUID */
- guid = GUID_random();
- ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
- if (ret != LDB_SUCCESS) {
- ldb_oom(ldb);
- return ret;
+ rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
+ if (rdn_value == NULL) {
+ return ldb_operr(ldb);
+ }
+ if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
+ /* the RDN has prefix "CN" */
+ ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
+ samdb_cn_to_lDAPDisplayName(ac->msg,
+ (const char *) rdn_value->data));
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
}
- }
- def_obj_cat_val = ldb_msg_find_ldb_val(ac->msg,
- "defaultObjectCategory");
- if (def_obj_cat_val != NULL) {
- /* "defaultObjectCategory" has been set by the caller.
- * Do some checks for consistency.
- * NOTE: The real constraint check (that
- * 'defaultObjectCategory' is the DN of the new
- * objectclass or any parent of it) is still incomplete.
- * For now we say that 'defaultObjectCategory' is valid
- * if it exists and it is of objectclass "classSchema".
- */
- ac->dn = ldb_dn_from_ldb_val(ac, ldb, def_obj_cat_val);
- if (ac->dn == NULL) {
- ldb_set_errstring(ldb,
- "Invalid DN for 'defaultObjectCategory'!");
- return LDB_ERR_CONSTRAINT_VIOLATION;
+ if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
+ struct GUID guid;
+ /* a new GUID */
+ guid = GUID_random();
+ ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
}
- } else {
- /* "defaultObjectCategory" has not been set by the
- * caller. Use the entry DN for it. */
- ac->dn = ac->msg->dn;
- ret = ldb_msg_add_string(ac->msg, "defaultObjectCategory",
- ldb_dn_alloc_linearized(ac->msg, ac->dn));
- if (ret != LDB_SUCCESS) {
- ldb_oom(ldb);
- return ret;
+ def_obj_cat_val = ldb_msg_find_ldb_val(ac->msg,
+ "defaultObjectCategory");
+ if (def_obj_cat_val != NULL) {
+ /* "defaultObjectCategory" has been set by the caller.
+ * Do some checks for consistency.
+ * NOTE: The real constraint check (that
+ * 'defaultObjectCategory' is the DN of the new
+ * objectclass or any parent of it) is still incomplete.
+ * For now we say that 'defaultObjectCategory' is valid
+ * if it exists and it is of objectclass "classSchema".
+ */
+ ac->dn = ldb_dn_from_ldb_val(ac, ldb, def_obj_cat_val);
+ if (ac->dn == NULL) {
+ ldb_set_errstring(ldb,
+ "Invalid DN for 'defaultObjectCategory'!");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ } else {
+ /* "defaultObjectCategory" has not been set by the
+ * caller. Use the entry DN for it. */
+ ac->dn = ac->msg->dn;
+
+ ret = ldb_msg_add_string(ac->msg, "defaultObjectCategory",
+ ldb_dn_alloc_linearized(ac->msg, ac->dn));
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
}
- }
- ret = samldb_add_step(ac, samldb_add_entry);
- if (ret != LDB_SUCCESS) return ret;
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
- /* Now perform the checks for the 'defaultObjectCategory'. The
- * lookup DN was already saved in "ac->dn" */
- ret = samldb_add_step(ac, samldb_find_for_defaultObjectCategory);
- if (ret != LDB_SUCCESS) return ret;
+ /* Now perform the checks for the 'defaultObjectCategory'. The
+ * lookup DN was already saved in "ac->dn" */
+ ret = samldb_add_step(ac, samldb_find_for_defaultObjectCategory);
+ if (ret != LDB_SUCCESS) return ret;
+ break;
+ }
- } else if (strcmp(ac->type, "attributeSchema") == 0) {
- const struct ldb_val *rdn_value;
- rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
- if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
- /* the RDN has prefix "CN" */
- ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
- samdb_cn_to_lDAPDisplayName(ac->msg,
- (const char *) rdn_value->data));
- if (ret != LDB_SUCCESS) {
- ldb_oom(ldb);
- return ret;
+ case SAMLDB_TYPE_ATTRIBUTE: {
+ const struct ldb_val *rdn_value;
+ rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
+ if (rdn_value == NULL) {
+ return ldb_operr(ldb);
+ }
+ if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
+ /* the RDN has prefix "CN" */
+ ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
+ samdb_cn_to_lDAPDisplayName(ac->msg,
+ (const char *) rdn_value->data));
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
}
- }
- /* do not allow to mark an attributeSchema as RODC filtered if it
- * is system-critical */
- if (check_rodc_critical_attribute(ac->msg)) {
- ldb_asprintf_errstring(ldb,
- "samldb: refusing schema add of %s - cannot combine critical attribute with RODC filtering",
- ldb_dn_get_linearized(ac->msg->dn));
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
+ /* do not allow to mark an attributeSchema as RODC filtered if it
+ * is system-critical */
+ if (check_rodc_critical_attribute(ac->msg)) {
+ ldb_asprintf_errstring(ldb,
+ "samldb: refusing schema add of %s - cannot combine critical attribute with RODC filtering",
+ ldb_dn_get_linearized(ac->msg->dn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "isSingleValued", "FALSE");
- if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "isSingleValued", "FALSE");
+ if (ret != LDB_SUCCESS) return ret;
- if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
- struct GUID guid;
- /* a new GUID */
- guid = GUID_random();
- ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
- if (ret != LDB_SUCCESS) {
- ldb_oom(ldb);
- return ret;
+ if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
+ struct GUID guid;
+ /* a new GUID */
+ guid = GUID_random();
+ ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
}
- }
- /* handle msDS-IntID attribute */
- ret = samldb_add_handle_msDS_IntId(ac);
- if (ret != LDB_SUCCESS) return ret;
+ /* handle msDS-IntID attribute */
+ ret = samldb_add_handle_msDS_IntId(ac);
+ if (ret != LDB_SUCCESS) return ret;
- ret = samldb_add_step(ac, samldb_add_entry);
- if (ret != LDB_SUCCESS) return ret;
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
+ break;
+ }
- } else {
- ldb_asprintf_errstring(ldb,
- "Invalid entry type!");
- return LDB_ERR_OPERATIONS_ERROR;
+ default:
+ ldb_asprintf_errstring(ldb,
+ "Invalid entry type!");
+ return LDB_ERR_OPERATIONS_ERROR;
+ break;
}
return samldb_first_step(ac);
static int samldb_fill_foreignSecurityPrincipal_object(struct samldb_ctx *ac)
{
struct ldb_context *ldb;
+ const struct ldb_val *rdn_value;
struct dom_sid *sid;
int ret;
sid = samdb_result_dom_sid(ac->msg, ac->msg, "objectSid");
if (sid == NULL) {
+ rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
+ if (rdn_value == NULL) {
+ return ldb_operr(ldb);
+ }
sid = dom_sid_parse_talloc(ac->msg,
- (const char *)ldb_dn_get_rdn_val(ac->msg->dn)->data);
+ (const char *)rdn_value->data);
if (sid == NULL) {
ldb_set_errstring(ldb,
"samldb: No valid SID found in ForeignSecurityPrincipal CN!");
}
ret = dsdb_module_schema_info_update(ac->module, schema,
- DSDB_FLAG_NEXT_MODULE);
+ DSDB_FLAG_NEXT_MODULE|
+ DSDB_FLAG_AS_SYSTEM,
+ ac->req);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb,
"samldb_schema_info_update: dsdb_module_schema_info_update failed with %s",
return LDB_SUCCESS;
}
-/*
- * Gets back a single-valued attribute by the rules of the SAM triggers when
- * performing a modify operation
- */
-static int samldb_get_single_valued_attr(struct samldb_ctx *ac,
- const char *attr_name,
- struct ldb_message_element **attr)
-{
- struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
- struct ldb_message_element *el = NULL;
- unsigned int i;
-
- /* We've to walk over all modification entries and consider the
- * "attr_name" ones.
- *
- * 1.) Add operations aren't allowed and there is returned
- * "ATTRIBUTE_OR_VALUE_EXISTS".
- * 2.) Replace operations are allowed but the last one is taken
- * 3.) Delete operations are also not allowed and there is returned
- * "UNWILLING_TO_PERFORM".
- *
- * If "el" is afterwards NULL then that means we've nothing to do here.
- */
- for (i = 0; i < ac->msg->num_elements; i++) {
- if (ldb_attr_cmp(ac->msg->elements[i].name, attr_name) != 0) {
- continue;
- }
-
- el = &ac->msg->elements[i];
- if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_ADD) {
- ldb_asprintf_errstring(ldb,
- "samldb: attribute '%s' already exists!",
- attr_name);
- return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
- }
- if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE) {
- ldb_asprintf_errstring(ldb,
- "samldb: attribute '%s' cannot be deleted!",
- attr_name);
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- }
-
- *attr = el;
- return LDB_SUCCESS;
-}
+static int samldb_prim_group_tester(struct samldb_ctx *ac, uint32_t rid);
/*
* "Objectclass" trigger (MS-SAMR 3.1.1.8.1)
static int samldb_objectclass_trigger(struct samldb_ctx *ac)
{
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
- struct loadparm_context *lp_ctx = talloc_get_type(ldb_get_opaque(ldb,
- "loadparm"), struct loadparm_context);
+ void *skip_allocate_sids = ldb_get_opaque(ldb,
+ "skip_allocate_sids");
struct ldb_message_element *el, *el2;
- enum sid_generator sid_generator;
struct dom_sid *sid;
- const char *tempstr;
int ret;
/* make sure that "sAMAccountType" is not specified */
}
/* but generate a new SID when we do have an add operations */
- if ((sid == NULL) && (ac->req->operation == LDB_ADD)) {
- sid_generator = lpcfg_sid_generator(lp_ctx);
- if (sid_generator == SID_GENERATOR_INTERNAL) {
- ret = samldb_add_step(ac, samldb_allocate_sid);
- if (ret != LDB_SUCCESS) return ret;
- }
- }
-
- if (strcmp(ac->type, "user") == 0) {
- /* Step 1.2: Default values */
- tempstr = talloc_asprintf(ac->msg, "%d", UF_NORMAL_ACCOUNT);
- if (tempstr == NULL) return ldb_operr(ldb);
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "userAccountControl", tempstr);
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "badPwdCount", "0");
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "codePage", "0");
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "countryCode", "0");
+ if ((sid == NULL) && (ac->req->operation == LDB_ADD) && !skip_allocate_sids) {
+ ret = samldb_add_step(ac, samldb_allocate_sid);
if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "badPasswordTime", "0");
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "lastLogoff", "0");
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "lastLogon", "0");
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "pwdLastSet", "0");
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "accountExpires", "9223372036854775807");
- if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "logonCount", "0");
- if (ret != LDB_SUCCESS) return ret;
-
- el = ldb_msg_find_element(ac->msg, "userAccountControl");
- if (el != NULL) {
- uint32_t user_account_control, account_type;
+ }
- /* Step 1.3: "userAccountControl" -> "sAMAccountType" mapping */
- user_account_control = ldb_msg_find_attr_as_uint(ac->msg,
- "userAccountControl",
- 0);
+ switch(ac->type) {
+ case SAMLDB_TYPE_USER: {
+ bool uac_generated = false;
- /* Temporary duplicate accounts aren't allowed */
- if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
- return LDB_ERR_OTHER;
- }
+ /* Step 1.2: Default values */
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "accountExpires", "9223372036854775807");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "badPasswordTime", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "badPwdCount", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "codePage", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "countryCode", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "lastLogoff", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "lastLogon", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "logonCount", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "pwdLastSet", "0");
+ if (ret != LDB_SUCCESS) return ret;
- account_type = ds_uf2atype(user_account_control);
- if (account_type == 0) {
- ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
- "sAMAccountType",
- account_type);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
- el2->flags = LDB_FLAG_MOD_REPLACE;
-
- if (user_account_control &
- (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
- ret = samdb_msg_set_string(ldb, ac->msg, ac->msg,
- "isCriticalSystemObject",
- "TRUE");
+ /* On add operations we might need to generate a
+ * "userAccountControl" (if it isn't specified). */
+ el = ldb_msg_find_element(ac->msg, "userAccountControl");
+ if ((el == NULL) && (ac->req->operation == LDB_ADD)) {
+ ret = samdb_msg_set_uint(ldb, ac->msg, ac->msg,
+ "userAccountControl",
+ UF_NORMAL_ACCOUNT);
if (ret != LDB_SUCCESS) {
return ret;
}
- el2 = ldb_msg_find_element(ac->msg,
- "isCriticalSystemObject");
- el2->flags = LDB_FLAG_MOD_REPLACE;
+ uac_generated = true;
}
- /* Step 1.4: "userAccountControl" -> "primaryGroupID" mapping */
- if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
- uint32_t rid = ds_uf2prim_group_rid(user_account_control);
+ el = ldb_msg_find_element(ac->msg, "userAccountControl");
+ if (el != NULL) {
+ uint32_t user_account_control, account_type;
+
+ /* Step 1.3: "userAccountControl" -> "sAMAccountType" mapping */
+ user_account_control = ldb_msg_find_attr_as_uint(ac->msg,
+ "userAccountControl",
+ 0);
+
+ /* Temporary duplicate accounts aren't allowed */
+ if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
+ return LDB_ERR_OTHER;
+ }
+
+ /* Workstation and (read-only) DC objects do need objectclass "computer" */
+ if ((samdb_find_attribute(ldb, ac->msg,
+ "objectclass", "computer") == NULL) &&
+ (user_account_control &
+ (UF_SERVER_TRUST_ACCOUNT | UF_WORKSTATION_TRUST_ACCOUNT))) {
+ ldb_set_errstring(ldb,
+ "samldb: Requested account type does need objectclass 'computer'!");
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
+
+ account_type = ds_uf2atype(user_account_control);
+ if (account_type == 0) {
+ ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
- "primaryGroupID", rid);
+ "sAMAccountType",
+ account_type);
if (ret != LDB_SUCCESS) {
return ret;
}
- el2 = ldb_msg_find_element(ac->msg,
- "primaryGroupID");
+ el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
el2->flags = LDB_FLAG_MOD_REPLACE;
- }
-
- /* Step 1.5: Add additional flags when needed */
- if ((user_account_control & UF_NORMAL_ACCOUNT) &&
- (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) == NULL)) {
- user_account_control |= UF_ACCOUNTDISABLE;
- user_account_control |= UF_PASSWD_NOTREQD;
- ret = samdb_msg_set_uint(ldb, ac->msg, ac->msg,
- "userAccountControl",
- user_account_control);
- if (ret != LDB_SUCCESS) {
- return ret;
+ /* "isCriticalSystemObject" might be set */
+ if (user_account_control &
+ (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
+ ret = ldb_msg_add_string(ac->msg, "isCriticalSystemObject",
+ "TRUE");
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el2 = ldb_msg_find_element(ac->msg,
+ "isCriticalSystemObject");
+ el2->flags = LDB_FLAG_MOD_REPLACE;
+ } else if (user_account_control & UF_WORKSTATION_TRUST_ACCOUNT) {
+ ret = ldb_msg_add_string(ac->msg, "isCriticalSystemObject",
+ "FALSE");
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el2 = ldb_msg_find_element(ac->msg,
+ "isCriticalSystemObject");
+ el2->flags = LDB_FLAG_MOD_REPLACE;
}
- }
- }
- } else if (strcmp(ac->type, "group") == 0) {
- /* Step 2.2: Default values */
- tempstr = talloc_asprintf(ac->msg, "%d",
- GTYPE_SECURITY_GLOBAL_GROUP);
- if (tempstr == NULL) return ldb_operr(ldb);
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "groupType", tempstr);
- if (ret != LDB_SUCCESS) return ret;
+ /* Step 1.4: "userAccountControl" -> "primaryGroupID" mapping */
+ if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
+ uint32_t rid = ds_uf2prim_group_rid(user_account_control);
+
+ /*
+ * Older AD deployments don't know about the
+ * RODC group
+ */
+ if (rid == DOMAIN_RID_READONLY_DCS) {
+ ret = samldb_prim_group_tester(ac, rid);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
+ "primaryGroupID", rid);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el2 = ldb_msg_find_element(ac->msg,
+ "primaryGroupID");
+ el2->flags = LDB_FLAG_MOD_REPLACE;
+ }
- /* Step 2.3: "groupType" -> "sAMAccountType" */
- el = ldb_msg_find_element(ac->msg, "groupType");
- if (el != NULL) {
- uint32_t group_type, account_type;
+ /* Step 1.5: Add additional flags when needed */
+ /* Obviously this is done when the "userAccountControl"
+ * has been generated here (tested against Windows
+ * Server) */
+ if (uac_generated) {
+ user_account_control |= UF_ACCOUNTDISABLE;
+ user_account_control |= UF_PASSWD_NOTREQD;
+
+ ret = samdb_msg_set_uint(ldb, ac->msg, ac->msg,
+ "userAccountControl",
+ user_account_control);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+ break;
+ }
+ case SAMLDB_TYPE_GROUP: {
+ const char *tempstr;
+
+ /* Step 2.2: Default values */
+ tempstr = talloc_asprintf(ac->msg, "%d",
+ GTYPE_SECURITY_GLOBAL_GROUP);
+ if (tempstr == NULL) return ldb_operr(ldb);
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "groupType", tempstr);
+ if (ret != LDB_SUCCESS) return ret;
- group_type = ldb_msg_find_attr_as_uint(ac->msg,
- "groupType", 0);
+ /* Step 2.3: "groupType" -> "sAMAccountType" */
+ el = ldb_msg_find_element(ac->msg, "groupType");
+ if (el != NULL) {
+ uint32_t group_type, account_type;
+
+ group_type = ldb_msg_find_attr_as_uint(ac->msg,
+ "groupType", 0);
+
+ /* The creation of builtin groups requires the
+ * RELAX control */
+ if (group_type == GTYPE_SECURITY_BUILTIN_LOCAL_GROUP) {
+ if (ldb_request_get_control(ac->req,
+ LDB_CONTROL_RELAX_OID) == NULL) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ }
- /* The creation of builtin groups requires the
- * RELAX control */
- if (group_type == GTYPE_SECURITY_BUILTIN_LOCAL_GROUP) {
- if (ldb_request_get_control(ac->req,
- LDB_CONTROL_RELAX_OID) == NULL) {
+ account_type = ds_gtype2atype(group_type);
+ if (account_type == 0) {
+ ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
return LDB_ERR_UNWILLING_TO_PERFORM;
}
+ ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
+ "sAMAccountType",
+ account_type);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
+ el2->flags = LDB_FLAG_MOD_REPLACE;
}
-
- account_type = ds_gtype2atype(group_type);
- if (account_type == 0) {
- ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
- "sAMAccountType",
- account_type);
- if (ret != LDB_SUCCESS) {
- return ret;
+ break;
}
- el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
- el2->flags = LDB_FLAG_MOD_REPLACE;
- }
+
+ default:
+ ldb_asprintf_errstring(ldb,
+ "Invalid entry type!");
+ return LDB_ERR_OPERATIONS_ERROR;
+ break;
}
return LDB_SUCCESS;
* ac->msg contains the "add"/"modify" message
*/
-static int samldb_prim_group_set(struct samldb_ctx *ac)
+static int samldb_prim_group_tester(struct samldb_ctx *ac, uint32_t rid)
{
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
- struct ldb_dn *prim_group_dn;
- uint32_t rid;
struct dom_sid *sid;
-
- rid = ldb_msg_find_attr_as_uint(ac->msg, "primaryGroupID", (uint32_t) -1);
- if (rid == (uint32_t) -1) {
- /* we aren't affected of any primary group set */
- return LDB_SUCCESS;
-
- } else if (!ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
- ldb_set_errstring(ldb,
- "The primary group isn't settable on add operations!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
+ struct ldb_result *res;
+ int ret;
+ const char *noattrs[] = { NULL };
sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
if (sid == NULL) {
return ldb_operr(ldb);
}
- prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
- if (prim_group_dn == NULL) {
+ ret = dsdb_module_search(ac->module, ac, &res,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE,
+ noattrs, DSDB_FLAG_NEXT_MODULE,
+ ac->req,
+ "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, sid));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (res->count != 1) {
+ talloc_free(res);
ldb_asprintf_errstring(ldb,
"Failed to find primary group with RID %u!",
rid);
return LDB_ERR_UNWILLING_TO_PERFORM;
}
+ talloc_free(res);
return LDB_SUCCESS;
}
+static int samldb_prim_group_set(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ uint32_t rid;
+
+ rid = ldb_msg_find_attr_as_uint(ac->msg, "primaryGroupID", (uint32_t) -1);
+ if (rid == (uint32_t) -1) {
+ /* we aren't affected of any primary group set */
+ return LDB_SUCCESS;
+
+ } else if (!ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
+ ldb_set_errstring(ldb,
+ "The primary group isn't settable on add operations!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ return samldb_prim_group_tester(ac, rid);
+}
+
static int samldb_prim_group_change(struct samldb_ctx *ac)
{
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
const char * attrs[] = { "primaryGroupID", "memberOf", NULL };
- struct ldb_result *res;
+ struct ldb_result *res, *group_res;
struct ldb_message_element *el;
struct ldb_message *msg;
- uint32_t rid;
- struct dom_sid *sid;
+ uint32_t prev_rid, new_rid;
+ struct dom_sid *prev_sid, *new_sid;
struct ldb_dn *prev_prim_group_dn, *new_prim_group_dn;
int ret;
+ const char *noattrs[] = { NULL };
- ret = samldb_get_single_valued_attr(ac, "primaryGroupID", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "primaryGroupID",
+ ac->req->operation);
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
}
- /* Fetch informations from the existing object */
+ /* Fetch information from the existing object */
- ret = ldb_search(ldb, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
- NULL);
+ ret = dsdb_module_search_dn(ac->module, ac, &res, ac->msg->dn, attrs,
+ DSDB_FLAG_NEXT_MODULE, ac->req);
if (ret != LDB_SUCCESS) {
return ret;
}
- if (res->count != 1) {
- return ldb_operr(ldb);
- }
/* Finds out the DN of the old primary group */
- rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID", (uint32_t) -1);
- if (rid == (uint32_t) -1) {
+ prev_rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID",
+ (uint32_t) -1);
+ if (prev_rid == (uint32_t) -1) {
/* User objects do always have a mandatory "primaryGroupID"
* attribute. If this doesn't exist then the object is of the
* wrong type. This is the exact Windows error code */
return LDB_ERR_OBJECT_CLASS_VIOLATION;
}
- sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (sid == NULL) {
- return ldb_operr(ldb);
- }
-
- prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
- if (prev_prim_group_dn == NULL) {
+ prev_sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), prev_rid);
+ if (prev_sid == NULL) {
return ldb_operr(ldb);
}
if (ret != LDB_SUCCESS) {
return ret;
}
- rid = ldb_msg_find_attr_as_uint(msg, "primaryGroupID", (uint32_t) -1);
+ new_rid = ldb_msg_find_attr_as_uint(msg, "primaryGroupID", (uint32_t) -1);
talloc_free(msg);
- if (rid == (uint32_t) -1) {
+ if (new_rid == (uint32_t) -1) {
/* we aren't affected of any primary group change */
return LDB_SUCCESS;
}
- sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (sid == NULL) {
+ if (prev_rid == new_rid) {
+ return LDB_SUCCESS;
+ }
+
+ ret = dsdb_module_search(ac->module, ac, &group_res,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE,
+ noattrs, DSDB_FLAG_NEXT_MODULE,
+ ac->req,
+ "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, prev_sid));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (group_res->count != 1) {
+ return ldb_operr(ldb);
+ }
+ prev_prim_group_dn = group_res->msgs[0]->dn;
+
+ new_sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), new_rid);
+ if (new_sid == NULL) {
return ldb_operr(ldb);
}
- new_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
- if (new_prim_group_dn == NULL) {
+ ret = dsdb_module_search(ac->module, ac, &group_res,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE,
+ noattrs, DSDB_FLAG_NEXT_MODULE,
+ ac->req,
+ "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, new_sid));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (group_res->count != 1) {
/* Here we know if the specified new primary group candidate is
* valid or not. */
return LDB_ERR_UNWILLING_TO_PERFORM;
}
+ new_prim_group_dn = group_res->msgs[0]->dn;
- /* Only update the "member" attributes when we really do have a change */
- if (ldb_dn_compare(new_prim_group_dn, prev_prim_group_dn) != 0) {
- /* We need to be already a normal member of the new primary
- * group in order to be successful. */
- el = samdb_find_attribute(ldb, res->msgs[0], "memberOf",
- ldb_dn_get_linearized(new_prim_group_dn));
- if (el == NULL) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
- /* Remove the "member" attribute on the new primary group */
- msg = ldb_msg_new(ac->msg);
- if (msg == NULL) {
- return ldb_module_oom(ac->module);
- }
- msg->dn = new_prim_group_dn;
+ /* We need to be already a normal member of the new primary
+ * group in order to be successful. */
+ el = samdb_find_attribute(ldb, res->msgs[0], "memberOf",
+ ldb_dn_get_linearized(new_prim_group_dn));
+ if (el == NULL) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
- ret = samdb_msg_add_delval(ldb, msg, msg, "member",
- ldb_dn_get_linearized(ac->msg->dn));
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ /* Remove the "member" attribute on the new primary group */
+ msg = ldb_msg_new(ac->msg);
+ if (msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ msg->dn = new_prim_group_dn;
- ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- talloc_free(msg);
+ ret = samdb_msg_add_delval(ldb, msg, msg, "member",
+ ldb_dn_get_linearized(ac->msg->dn));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
- /* Add a "member" attribute for the previous primary group */
- msg = ldb_msg_new(ac->msg);
- if (msg == NULL) {
- return ldb_module_oom(ac->module);
- }
- msg->dn = prev_prim_group_dn;
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE, ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ talloc_free(msg);
- ret = samdb_msg_add_addval(ldb, msg, msg, "member",
- ldb_dn_get_linearized(ac->msg->dn));
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ /* Add a "member" attribute for the previous primary group */
+ msg = ldb_msg_new(ac->msg);
+ if (msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ msg->dn = prev_prim_group_dn;
- ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- talloc_free(msg);
+ ret = samdb_msg_add_addval(ldb, msg, msg, "member",
+ ldb_dn_get_linearized(ac->msg->dn));
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- talloc_free(res);
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE, ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ talloc_free(msg);
return LDB_SUCCESS;
}
return ret;
}
+
+/**
+ * This function is called on LDB modify operations. It performs some additions/
+ * replaces on the current LDB message when "userAccountControl" changes.
+ */
static int samldb_user_account_control_change(struct samldb_ctx *ac)
{
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
- uint32_t user_account_control, account_type;
+ uint32_t user_account_control, old_user_account_control, account_type;
struct ldb_message_element *el;
struct ldb_message *tmp_msg;
int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { "userAccountControl", "objectClass", NULL };
+ unsigned int i;
+ bool is_computer = false;
- ret = samldb_get_single_valued_attr(ac, "userAccountControl", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "userAccountControl",
+ ac->req->operation);
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
return LDB_ERR_OTHER;
}
+ /* Fetch the old "userAccountControl" and "objectClass" */
+ ret = dsdb_module_search_dn(ac->module, ac, &res, ac->msg->dn, attrs,
+ DSDB_FLAG_NEXT_MODULE, ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ old_user_account_control = ldb_msg_find_attr_as_uint(res->msgs[0], "userAccountControl", 0);
+ if (old_user_account_control == 0) {
+ return ldb_operr(ldb);
+ }
+ el = ldb_msg_find_element(res->msgs[0], "objectClass");
+ if (el == NULL) {
+ return ldb_operr(ldb);
+ }
+
+ /* When we do not have objectclass "computer" we cannot switch to a (read-only) DC */
+ for (i = 0; i < el->num_values; i++) {
+ if (ldb_attr_cmp((char *)el->values[i].data, "computer") == 0) {
+ is_computer = true;
+ break;
+ }
+ }
+ if (!is_computer &&
+ (user_account_control & (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT))) {
+ ldb_set_errstring(ldb,
+ "samldb: Requested account type does need objectclass 'computer'!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ /*
+ * The functions "ds_uf2atype" and "ds_uf2prim_group_rid" are used as
+ * detectors for account type changes.
+ * So if the account type does change then we need to adjust the
+ * "sAMAccountType", the "isCriticalSystemObject" and the
+ * "primaryGroupID" attribute.
+ */
+ if ((ds_uf2atype(user_account_control)
+ == ds_uf2atype(old_user_account_control)) &&
+ (ds_uf2prim_group_rid(user_account_control)
+ == ds_uf2prim_group_rid(old_user_account_control))) {
+ return LDB_SUCCESS;
+ }
+
account_type = ds_uf2atype(user_account_control);
if (account_type == 0) {
ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
el = ldb_msg_find_element(ac->msg, "sAMAccountType");
el->flags = LDB_FLAG_MOD_REPLACE;
+ /* "isCriticalSystemObject" might be set/changed */
if (user_account_control
& (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
- ret = samdb_msg_add_string(ldb, ac->msg, ac->msg,
- "isCriticalSystemObject", "TRUE");
+ ret = ldb_msg_add_string(ac->msg, "isCriticalSystemObject",
+ "TRUE");
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el = ldb_msg_find_element(ac->msg,
+ "isCriticalSystemObject");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+ } else if (user_account_control & UF_WORKSTATION_TRUST_ACCOUNT) {
+ ret = ldb_msg_add_string(ac->msg, "isCriticalSystemObject",
+ "FALSE");
if (ret != LDB_SUCCESS) {
return ret;
}
if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
uint32_t rid = ds_uf2prim_group_rid(user_account_control);
+
+ /* Older AD deployments don't know about the RODC group */
+ if (rid == DOMAIN_RID_READONLY_DCS) {
+ ret = samldb_prim_group_tester(ac, rid);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
"primaryGroupID", rid);
if (ret != LDB_SUCCESS) {
struct ldb_message_element *el;
struct ldb_message *tmp_msg;
int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { "groupType", NULL };
- ret = samldb_get_single_valued_attr(ac, "groupType", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "groupType",
+ ac->req->operation);
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
group_type = ldb_msg_find_attr_as_uint(tmp_msg, "groupType", 0);
talloc_free(tmp_msg);
- old_group_type = samdb_search_uint(ldb, ac, 0, ac->msg->dn,
- "groupType", NULL);
+ ret = dsdb_module_search_dn(ac->module, ac, &res, ac->msg->dn, attrs,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_DELETED, ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ old_group_type = ldb_msg_find_attr_as_uint(res->msgs[0], "groupType", 0);
if (old_group_type == 0) {
return ldb_operr(ldb);
}
* On each step also the group type itself
* (security/distribution) is variable. */
- switch (group_type) {
- case GTYPE_SECURITY_GLOBAL_GROUP:
- case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
- /* change to "universal" allowed */
- if ((old_group_type == GTYPE_SECURITY_DOMAIN_LOCAL_GROUP) ||
- (old_group_type == GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP)) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- break;
-
- case GTYPE_SECURITY_UNIVERSAL_GROUP:
- case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
- /* each change allowed */
- break;
-
- case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
- case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
- /* change to "universal" allowed */
- if ((old_group_type == GTYPE_SECURITY_GLOBAL_GROUP) ||
- (old_group_type == GTYPE_DISTRIBUTION_GLOBAL_GROUP)) {
+ if (ldb_request_get_control(ac->req, LDB_CONTROL_PROVISION_OID) == NULL) {
+ switch (group_type) {
+ case GTYPE_SECURITY_GLOBAL_GROUP:
+ case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_DOMAIN_LOCAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP)) {
+ ldb_set_errstring(ldb,
+ "samldb: Change from security/distribution local group forbidden!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_UNIVERSAL_GROUP:
+ case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
+ /* each change allowed */
+ break;
+ case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
+ case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_GLOBAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_GLOBAL_GROUP)) {
+ ldb_set_errstring(ldb,
+ "samldb: Change from security/distribution global group forbidden!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
+ default:
+ /* we don't allow this "groupType" values */
return LDB_ERR_UNWILLING_TO_PERFORM;
+ break;
}
- break;
-
- case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
- default:
- /* we don't allow this "groupType" values */
- return LDB_ERR_UNWILLING_TO_PERFORM;
- break;
}
account_type = ds_gtype2atype(group_type);
struct ldb_message *tmp_msg;
int ret;
- ret = samldb_get_single_valued_attr(ac, "sAMAccountName", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "sAMAccountName",
+ ac->req->operation);
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
/* Make sure that a "sAMAccountName" is only used once */
- ret = ldb_search(ldb, ac, &res, NULL, LDB_SCOPE_SUBTREE, no_attrs,
- "(sAMAccountName=%s)", enc_str);
+ ret = dsdb_module_search(ac->module, ac, &res,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE, no_attrs,
+ DSDB_FLAG_NEXT_MODULE, ac->req,
+ "(sAMAccountName=%s)", enc_str);
if (ret != LDB_SUCCESS) {
return ret;
}
static int samldb_member_check(struct samldb_ctx *ac)
{
+ static const char * const attrs[] = { "objectSid", "member", NULL };
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
struct ldb_message_element *el;
- struct ldb_dn *member_dn, *group_dn;
- uint32_t prim_group_rid;
+ struct ldb_dn *member_dn;
struct dom_sid *sid;
+ struct ldb_result *res;
+ struct dom_sid *group_sid;
unsigned int i, j;
- int cnt;
+ int ret;
+
+ /* Fetch information from the existing object */
+
+ ret = dsdb_module_search(ac->module, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
+ DSDB_FLAG_NEXT_MODULE, ac->req, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (res->count != 1) {
+ return ldb_operr(ldb);
+ }
+
+ group_sid = samdb_result_dom_sid(res, res->msgs[0], "objectSid");
+ if (group_sid == NULL) {
+ return ldb_operr(ldb);
+ }
/* We've to walk over all modification entries and consider the "member"
* ones. */
el = &ac->msg->elements[i];
for (j = 0; j < el->num_values; j++) {
+ struct ldb_result *group_res;
+ const char *group_attrs[] = { "primaryGroupID" , NULL };
+ uint32_t prim_group_rid;
+
+ if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE) {
+ /* Deletes will be handled in
+ * repl_meta_data, and deletes not
+ * matching a member will return
+ * LDB_ERR_UNWILLING_TO_PERFORM
+ * there */
+ continue;
+ }
+
member_dn = ldb_dn_from_ldb_val(ac, ldb,
&el->values[j]);
if (!ldb_dn_validate(member_dn)) {
return ldb_operr(ldb);
}
- /* The "member" attribute can be modified with the
- * following restrictions (beside a valid DN):
- *
- * - "add" operations can only be performed when the
- * member still doesn't exist - if not then return
- * ERR_ENTRY_ALREADY_EXISTS (not
- * ERR_ATTRIBUTE_OR_VALUE_EXISTS!)
- * - "delete" operations can only be performed when the
- * member does exist - if not then return
- * ERR_UNWILLING_TO_PERFORM (not
- * ERR_NO_SUCH_ATTRIBUTE!)
- * - primary group check
- */
- cnt = samdb_search_count(ldb, ac, ac->msg->dn,
- "(member=%s)",
- ldb_dn_get_linearized(member_dn));
- if (cnt < 0) {
- return ldb_operr(ldb);
- }
- if ((cnt > 0) && (LDB_FLAG_MOD_TYPE(el->flags)
- == LDB_FLAG_MOD_ADD)) {
- return LDB_ERR_ENTRY_ALREADY_EXISTS;
- }
- if ((cnt == 0) && LDB_FLAG_MOD_TYPE(el->flags)
- == LDB_FLAG_MOD_DELETE) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
/* Denies to add "member"s to groups which are primary
* ones for them - in this case return
* ERR_ENTRY_ALREADY_EXISTS. */
- prim_group_rid = samdb_search_uint(ldb, ac,
- (uint32_t) -1,
- member_dn,
- "primaryGroupID",
- NULL);
+ ret = dsdb_module_search_dn(ac->module, ac, &group_res,
+ member_dn, group_attrs,
+ DSDB_FLAG_NEXT_MODULE, ac->req);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ /* member DN doesn't exist yet */
+ continue;
+ }
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ prim_group_rid = ldb_msg_find_attr_as_uint(group_res->msgs[0], "primaryGroupID", (uint32_t)-1);
if (prim_group_rid == (uint32_t) -1) {
/* the member hasn't to be a user account ->
* therefore no check needed in this case. */
return ldb_operr(ldb);
}
- group_dn = samdb_search_dn(ldb, ac, NULL,
- "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
- if (group_dn == NULL) {
- return ldb_operr(ldb);
- }
-
- if (ldb_dn_compare(group_dn, ac->msg->dn) == 0) {
+ if (dom_sid_equal(group_sid, sid)) {
+ ldb_asprintf_errstring(ldb,
+ "samldb: member %s already set via primaryGroupID %u",
+ ldb_dn_get_linearized(member_dn), prim_group_rid);
return LDB_ERR_ENTRY_ALREADY_EXISTS;
}
}
}
+ talloc_free(res);
+
+ return LDB_SUCCESS;
+}
+
+/* SAM objects have special rules regarding the "description" attribute on
+ * modify operations. */
+static int samldb_description_check(struct samldb_ctx *ac, bool *modified)
+{
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ const char * const attrs[] = { "objectClass", "description", NULL };
+ struct ldb_result *res;
+ unsigned int i;
+ int ret;
+
+ /* Fetch information from the existing object */
+ ret = dsdb_module_search(ac->module, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
+ DSDB_FLAG_NEXT_MODULE | DSDB_SEARCH_SHOW_DELETED, ac->req,
+ "(|(objectclass=user)(objectclass=group)(objectclass=samDomain)(objectclass=samServer))");
+ if (ret != LDB_SUCCESS) {
+ /* don't treat it specially ... let normal error codes
+ happen from other places */
+ ldb_reset_err_string(ldb);
+ return LDB_SUCCESS;
+ }
+ if (res->count == 0) {
+ /* we didn't match the filter */
+ talloc_free(res);
+ return LDB_SUCCESS;
+ }
+
+ /* We've to walk over all modification entries and consider the
+ * "description" ones. */
+ for (i = 0; i < ac->msg->num_elements; i++) {
+ if (ldb_attr_cmp(ac->msg->elements[i].name, "description") == 0) {
+ ac->msg->elements[i].flags |= LDB_FLAG_INTERNAL_FORCE_SINGLE_VALUE_CHECK;
+ *modified = true;
+ }
+ }
+
+ talloc_free(res);
+
return LDB_SUCCESS;
}
unsigned int i;
int ret;
- /* Here it's not the same logic as with "samldb_get_single_valued_attr".
- * We need to:
- *
- * - consider "add" and "replace" operations - the last value we take
- * - ignore "delete" operations - obviously this attribute isn't
- * write protected
- */
- for (i = 0; i < ac->msg->num_elements; i++) {
- if ((ldb_attr_cmp(ac->msg->elements[i].name,
- "dNSHostName") == 0) &&
- (LDB_FLAG_MOD_TYPE(ac->msg->elements[i].flags)
- != LDB_FLAG_MOD_DELETE)) {
- el = &ac->msg->elements[i];
- }
- if ((ldb_attr_cmp(ac->msg->elements[i].name,
- "sAMAccountName") == 0) &&
- (LDB_FLAG_MOD_TYPE(ac->msg->elements[i].flags)
- != LDB_FLAG_MOD_DELETE)) {
- el2 = &ac->msg->elements[i];
- }
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "dNSHostName",
+ ac->req->operation);
+ el2 = dsdb_get_single_valued_attr(ac->msg, "sAMAccountName",
+ ac->req->operation);
if ((el == NULL) && (el2 == NULL)) {
/* we are not affected */
return LDB_SUCCESS;
/* Create a temporary message for fetching the "dNSHostName" */
if (el != NULL) {
+ const char *dns_attrs[] = { "dNSHostName", NULL };
msg = ldb_msg_new(ac->msg);
if (msg == NULL) {
return ldb_module_oom(ac->module);
ldb_msg_find_attr_as_string(msg, "dNSHostName", NULL));
talloc_free(msg);
- old_dns_hostname = samdb_search_string(ldb, ac, ac->msg->dn,
- "dNSHostName", NULL);
+ ret = dsdb_module_search_dn(ac->module, ac, &res, ac->msg->dn,
+ dns_attrs, DSDB_FLAG_NEXT_MODULE, ac->req);
+ if (ret == LDB_SUCCESS) {
+ old_dns_hostname = ldb_msg_find_attr_as_string(res->msgs[0], "dNSHostName", NULL);
+ }
}
/* Create a temporary message for fetching the "sAMAccountName" */
if (el2 != NULL) {
char *tempstr, *tempstr2;
+ const char *acct_attrs[] = { "sAMAccountName", NULL };
msg = ldb_msg_new(ac->msg);
if (msg == NULL) {
ldb_msg_find_attr_as_string(msg, "sAMAccountName", NULL));
talloc_free(msg);
- tempstr2 = talloc_strdup(ac,
- samdb_search_string(ldb, ac, ac->msg->dn, "sAMAccountName", NULL));
+ ret = dsdb_module_search_dn(ac->module, ac, &res, ac->msg->dn, acct_attrs,
+ DSDB_FLAG_NEXT_MODULE, ac->req);
+ if (ret == LDB_SUCCESS) {
+ tempstr2 = talloc_strdup(ac,
+ ldb_msg_find_attr_as_string(res->msgs[0],
+ "sAMAccountName", NULL));
+ }
+
/* The "sAMAccountName" needs some additional trimming: we need
* to remove the trailing "$"s if they exist. */
}
if ((dns_hostname == NULL) && (sam_accountname == NULL)) {
- /* Well, there are informations missing (old name(s)) or the
+ /* Well, there are information missing (old name(s)) or the
* names didn't change. We've nothing to do and can exit here */
return LDB_SUCCESS;
}
} while (el != NULL);
ret = dsdb_module_modify(ac->module, msg,
- DSDB_FLAG_NEXT_MODULE);
+ DSDB_FLAG_NEXT_MODULE, ac->req);
if (ret != LDB_SUCCESS) {
return ret;
}
}
/* Fetch the "servicePrincipalName"s if any */
- ret = ldb_search(ldb, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
- NULL);
+ ret = dsdb_module_search(ac->module, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
+ DSDB_FLAG_NEXT_MODULE, ac->req, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
if (samdb_find_attribute(ldb, ac->msg,
"objectclass", "user") != NULL) {
- ac->type = "user";
+ ac->type = SAMLDB_TYPE_USER;
ret = samldb_prim_group_trigger(ac);
if (ret != LDB_SUCCESS) {
if (samdb_find_attribute(ldb, ac->msg,
"objectclass", "group") != NULL) {
- ac->type = "group";
+ ac->type = SAMLDB_TYPE_GROUP;
ret = samldb_objectclass_trigger(ac);
if (ret != LDB_SUCCESS) {
return ret;
}
- ac->type = "classSchema";
+ ac->type = SAMLDB_TYPE_CLASS;
return samldb_fill_object(ac);
}
return ret;
}
- ac->type = "attributeSchema";
+ ac->type = SAMLDB_TYPE_ATTRIBUTE;
return samldb_fill_object(ac);
}
/* make sure that "objectSid" is not specified */
el = ldb_msg_find_element(req->op.mod.message, "objectSid");
if (el != NULL) {
- ldb_set_errstring(ldb,
- "samldb: objectSid must not be specified!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
+ if (ldb_request_get_control(req, LDB_CONTROL_PROVISION_OID) == NULL) {
+ ldb_set_errstring(ldb,
+ "samldb: objectSid must not be specified!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
}
/* make sure that "sAMAccountType" is not specified */
el = ldb_msg_find_element(req->op.mod.message, "sAMAccountType");
el = ldb_msg_find_element(ac->msg, "primaryGroupID");
if (el != NULL) {
- ret = samldb_prim_group_change(ac);
+ ret = samldb_prim_group_trigger(ac);
if (ret != LDB_SUCCESS) {
return ret;
}
}
}
+ el = ldb_msg_find_element(ac->msg, "description");
+ if (el != NULL) {
+ ret = samldb_description_check(ac, &modified);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
el = ldb_msg_find_element(ac->msg, "dNSHostName");
el2 = ldb_msg_find_element(ac->msg, "sAMAccountName");
if ((el != NULL) || (el2 != NULL)) {
struct dom_sid *sid;
uint32_t rid;
NTSTATUS status;
- int count;
+ int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { "objectSid", "isDeleted", NULL };
+ const char *noattrs[] = { NULL };
ldb = ldb_module_get_ctx(ac->module);
/* Finds out the SID/RID of the SAM object */
- sid = samdb_search_dom_sid(ldb, ac, ac->req->op.del.dn, "objectSid",
- NULL);
+ ret = dsdb_module_search_dn(ac->module, ac, &res, ac->req->op.del.dn,
+ attrs,
+ DSDB_FLAG_NEXT_MODULE | DSDB_SEARCH_SHOW_DELETED,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (ldb_msg_check_string_attribute(res->msgs[0], "isDeleted", "TRUE")) {
+ return LDB_SUCCESS;
+ }
+
+ sid = samdb_result_dom_sid(ac, res->msgs[0], "objectSid");
if (sid == NULL) {
/* No SID - it might not be a SAM object - therefore ok */
return LDB_SUCCESS;
}
/* Deny delete requests from groups which are primary ones */
- count = samdb_search_count(ldb, ac, NULL,
- "(&(primaryGroupID=%u)(objectClass=user))",
- rid);
- if (count < 0) {
- return ldb_operr(ldb);
+ ret = dsdb_module_search(ac->module, ac, &res,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE, noattrs,
+ DSDB_FLAG_NEXT_MODULE,
+ ac->req,
+ "(&(primaryGroupID=%u)(objectClass=user))", rid);
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- if (count > 0) {
+ if (res->count > 0) {
return LDB_ERR_ENTRY_ALREADY_EXISTS;
}
return LDB_ERR_PROTOCOL_ERROR;
}
- ret = ridalloc_allocate_rid_pool_fsmo(module, exop);
+ ret = ridalloc_allocate_rid_pool_fsmo(module, exop, req);
if (ret != LDB_SUCCESS) {
return ret;
}