/*
construct a primary group token for groups from a message
*/
static int construct_primary_group_token(struct ldb_module *module,
struct ldb_message *msg)
{
struct ldb_context *ldb;
uint32_t primary_group_token;
ldb = ldb_module_get_ctx(module);
if (samdb_search_count(ldb, ldb, msg->dn, "(objectclass=group)") == 1) {
primary_group_token
= samdb_result_rid_from_sid(ldb, msg, "objectSid", 0);
return samdb_msg_add_int(ldb, ldb, msg, "primaryGroupToken",
primary_group_token);
} else {
return LDB_SUCCESS;
}
}
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;
}
