rlm_sql_null.c

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/*
 * sql_null.c           SQL Module
 *
 * Version:     $Id: f5a70a4b1eeb6759378f8be624f40b12b6d228c1 $
 *
 *   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 2 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, write to the Free Software
 *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 *
 * @copyright 2012 Alan DeKok (aland@freeradius.org)
 */
 
RCSID("$Id: f5a70a4b1eeb6759378f8be624f40b12b6d228c1 $")
 
#include <freeradius-devel/server/base.h>
 
#include        "rlm_sql.h"
#include        "rlm_sql_trunk.h"
 
static const void *fake = "fake";
 
static void _sql_connection_close(UNUSED fr_event_list_t *el, UNUSED void *h, UNUSED void *uctx)
{
        return;
}
 
CC_NO_UBSAN(function) /* UBSAN: false positive - public vs private connection_t trips --fsanitize=function */
static connection_state_t _sql_connection_init(void **h, UNUSED connection_t *conn, UNUSED void *uctx)
{
        *h = UNCONST(void *, fake);
        return CONNECTION_STATE_CONNECTED;
}
 
SQL_TRUNK_CONNECTION_ALLOC
 
SQL_QUERY_RESUME
 
CC_NO_UBSAN(function) /* UBSAN: false positive - public vs private connection_t trips --fsanitize=function */
static void sql_trunk_request_mux(UNUSED fr_event_list_t *el, trunk_connection_t *tconn,
                                  UNUSED connection_t *conn, UNUSED void *uctx)
{
        trunk_request_t *treq;
        request_t       *request;
        fr_sql_query_t  *query_ctx;
 
        while (trunk_connection_pop_request(&treq, tconn) != 0) {
                if (!treq) return;
 
                query_ctx = talloc_get_type_abort(treq->preq, fr_sql_query_t);
                request = query_ctx->request;
                query_ctx->tconn = tconn;
                query_ctx->rcode = RLM_SQL_OK;
 
                trunk_request_signal_reapable(treq);
                if (request) unlang_interpret_mark_runnable(request);
        }
}
 
static int sql_num_rows(UNUSED fr_sql_query_t *query_ctx, UNUSED rlm_sql_config_t const *config)
{
        return 0;
}
 
static unlang_action_t sql_fetch_row(rlm_rcode_t *p_result, UNUSED int *priority, UNUSED request_t *request, void *uctx)
{
        fr_sql_query_t  *query_ctx = talloc_get_type_abort(uctx, fr_sql_query_t);
        query_ctx->row = NULL;
        query_ctx->rcode = RLM_SQL_NO_MORE_ROWS;
        RETURN_MODULE_OK;
}
 
static sql_rcode_t sql_free_result(UNUSED fr_sql_query_t *query_ctx, UNUSED rlm_sql_config_t const *config)
{
        return 0;
}
 
/** Stub function for retrieving errors, should not be called
 *
 */
static size_t sql_error(UNUSED TALLOC_CTX *ctx, UNUSED sql_log_entry_t out[], UNUSED size_t outlen,
                        UNUSED fr_sql_query_t *query_ctx)
{
        return 0;
}
 
static sql_rcode_t sql_finish_query(UNUSED fr_sql_query_t *query_ctx, UNUSED rlm_sql_config_t const *config)
{
        return 0;
}
 
static int sql_affected_rows(UNUSED fr_sql_query_t *query_ctx, UNUSED rlm_sql_config_t const *config)
{
        return 1;
}
 
/* Exported to rlm_sql */
extern rlm_sql_driver_t rlm_sql_null;
rlm_sql_driver_t rlm_sql_null = {
        .common = {
                .magic                          = MODULE_MAGIC_INIT,
                .name                           = "sql_null"
        },
        .sql_query_resume               = sql_query_resume,
        .sql_select_query_resume        = sql_query_resume,
        .sql_num_rows                   = sql_num_rows,
        .sql_fetch_row                  = sql_fetch_row,
        .sql_free_result                = sql_free_result,
        .sql_error                      = sql_error,
        .sql_finish_query               = sql_finish_query,
        .sql_finish_select_query        = sql_finish_query,
        .sql_affected_rows              = sql_affected_rows,
        .trunk_io_funcs = {
                .connection_alloc       = sql_trunk_connection_alloc,
                .request_mux            = sql_trunk_request_mux,
        }
};